Relevant bibliographies by topics / In-medium modifications

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'In-medium modifications'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "In-medium modifications"

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Kumar, Arvind. "Heavy Scalar, Vector, and Axial-Vector Mesons in Hot and Dense Nuclear Medium." Advances in High Energy Physics 2014 (2014): 1–21. http://dx.doi.org/10.1155/2014/549726.

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In this work we shall investigate the mass modifications of scalar mesons (D0;B0), vector mesons (D*;B*), and axial-vector mesons (D1;B1) at finite density and temperature of the nuclear medium. The above mesons are modified in the nuclear medium through the modification of quark and gluon condensates. We will find the medium modification of quark and gluon condensates within chiral SU(3) model through the medium modification of scalar-isoscalar fieldsσandζat finite density and temperature. These medium modified quark and gluon condensates will further be used through QCD sum rules for the evaluation of in-medium properties of the above mentioned scalar, vector, and axial vector mesons. We will also discuss the effects of density and temperature of the nuclear medium on the scattering lengths of the above scalar, vector, and axial-vector mesons. The study of the medium modifications of the above mesons may be helpful for understanding their production rates in heavy-ion collision experiments. The results of present investigations of medium modifications of scalar, vector, and axial-vector mesons at finite density and temperature can be verified in the compressed baryonic matter (CBM) experiment of FAIR facility at GSI, Germany.
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Tawfik, A. "In-medium modifications of hadron properties." Indian Journal of Physics 85, no. 5 (May 2011): 755–66. http://dx.doi.org/10.1007/s12648-011-0074-y.

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Djalali, C., M. Wood, R. Nasseripour, and D. Weygand. "Medium Modifications of Light Vector Mesons in Nuclei." Nuclear Physics A 827, no. 1-4 (August 2009): 246c—248c. http://dx.doi.org/10.1016/j.nuclphysa.2009.05.048.

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Djalali, Chaden, Rakhsha Nasseripour, Dennis Weygand, Mike Wood, and the CLAS-Collaboration. "Medium Modifications of Light Vector Mesons in Nuclei." Progress of Theoretical Physics Supplement 168 (2007): 511–18. http://dx.doi.org/10.1143/ptps.168.511.

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Pasupathy, J. "PCAC and Modifications in Hadron Properties in Nuclear Medium." Modern Physics Letters A 12, no. 26 (August 30, 1997): 1943–49. http://dx.doi.org/10.1142/s0217732397001989.

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It is known that the Adler zero condition when imposed on pion amplitudes leads to several relations between hadron masses through the dual resonance formula of Lovelace, Shapiro and Veneziano. In particular the Lovelace quantization condition leads to the relation [Formula: see text] which is well satisfied experimentally. The Regge slope parameter α′ can be related to the gluon condensate. The latter is modified in the nuclear medium as compared to its value in the QCD vacuum. Combining the PCAC hypothesis with changes in gluon condensate leads to lowering of vector masses in the nuclear medium. It also leads to predictions regarding, nucleon isobar mass differences, pion decay constant in the medium, pion amplitudes and transverse momentum distribution of secondaries in heavy ion collisions.
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Escobedo Espinosa, Miguel Ángel. "Effective field theory calculations in open charm and charmonium production in media." EPJ Web of Conferences 202 (2019): 03002. http://dx.doi.org/10.1051/epjconf/201920203002.

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Heavy quarkonium related observables are very useful to obtain information about the medium created in relativistic heavy ion collisions. The interaction of charmonium or bottomonium with the hot QCD medium created in these collisions can be efficiently described with the use of non-relativistic Effective Field Theories. In this proceedings, I will review recent progress in understanding quarkonium dynamics in a thermal medium with the use of potential non-relativistic QCD (pNRQCD). First, I will discuss the medium modifications of the decay width and the binding energy. Using pNRQCD power counting it is possible to identify in which temperature regimes a potential model can describe these modifications and what is the dominant physical process behind the thermal corrections in each case. After that, I will discuss the combination of pNRQCD with open quantum systems techniques. This allows making predictions about the nuclear modification factor that can be compared with experimental measurements.
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Minciună, Mirabela Georgiana, Petrică Vizureanu, Dragoş Cristian Achiţei, and Ramona Cimpoeşu. "Corrosion Behavior in Saline Medium for a Cu-Zn Casting Alloy." Key Engineering Materials 660 (August 2015): 68–74. http://dx.doi.org/10.4028/www.scientific.net/kem.660.68.

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The paper present aspects about the structural modification of CuZn alloy obtained by casting and used to manufacture the housing which works in corrosive liquid mediums. The analyzed alloy has a chemical composition determine by spectral quantitative analysis, with an optic spectrometer type Foundry Masters, using cooper analysis base. The structural modifications, both in cast state, also after corrosion studies, have highlighted by SEM, at 500x and 2000x magnitude. The experiments were made on samples, with specific dimensions for each analysis.
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WEYGAND, D. P., C. DJALALI, R. NASSERIPOUR, and M. WOOD. "SEARCH FOR IN-MEDIUM MODIFICATIONS OF THE ρ MESON." International Journal of Modern Physics A 22, no. 02n03 (January 30, 2007): 380–87. http://dx.doi.org/10.1142/s0217751x07035562.

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The photoproduction of vector mesons on various nuclei has been studied using the Cebaf Large Acceptance Spectrometer (CLAS) at Jefferson Laboratory, and here we present preliminary results. All three vector mesons, ρ, ω, and ϕ, are observed via their decay to e+e-, in order to reduce the effects of final state interactions in the nucleus. Of particular interest is possible in-medium effects on the properties of the ρ meson. The ρ spectral function is extracted from the data on various nuclei, carbon, iron, and titanium, and compared to the spectrum from liquid deuterium, which is relatively free of nuclear effects. We observe no effects on the mass of the ρ meson, however, there is some widening of the resonance in titanium and iron, which is consistent with expected collisional broadening.
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Hilger, T., and B. Kämpfer. "In-Medium Modifications of Scalar Charm Mesons in Nuclear Matter." Nuclear Physics B - Proceedings Supplements 207-208 (October 2010): 277–80. http://dx.doi.org/10.1016/j.nuclphysbps.2010.10.071.

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Azizi, K., and N. Er. "Modifications on parameters of Z(4430) in a dense medium." Physics Letters B 811 (December 2020): 135979. http://dx.doi.org/10.1016/j.physletb.2020.135979.

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Dissertations / Theses on the topic "In-medium modifications"

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Hilger, Thomas. "Medium Modifications of Mesons." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-94078.

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Das Zusammenspiel von Hadronen und Modifikationen ihrer Eigenschaften auf der einen Seite und spontaner chiraler Symmetriebrechung und Restauration auf der anderen Seite wird untersucht. Es werden die QCD Summenregeln für D und B Mesonen in kalter Materie berechnet. Wir bestimmen die Massenaufspaltung von D - D-bar und B - B-bar Mesonen als Funktion der Kerndichte und untersuchen den Einfluss verschiedener Kondensate in der Näherung linearer Dichteabhängigkeit. Die Analyse beinhaltet ebenfalls D_s und D^*_0 Mesonen. Es werden QCD Summenregeln für chirale Partner mit offenem Charmfreiheitsgrad bei nichtverschwindenden Nettobaryonendichten und Temperaturen vorgestellt. Es wird die Differenz sowohl von pseudoskalaren und skalaren Mesonen, als auch von Axialvektor- und Vektormesonen betrachtet und die entsprechenden Weinberg-Summenregeln hergeleitet. Basierend auf QCD Summenregeln werden die Auswirkungen eines Szenarios auf das rho Meson untersucht, in dem alle chiral ungeraden Kondensate verschwinden wohingegen die chiral symmetrischen Kondensate ihren Vakuumwert behalten. Die komplementären Folgerungen einer Massenverschiebung und Verbreiterung der rho Mesonanregung werden diskutiert. Ein alternativer Zugang basierend auf gekoppelten Dyson-Schwinger- und Bethe-Salpeter-Gleichungen für Quarkbindungszustände wird untersucht. Zu diesem Zwecke wird die analytische Struktur des Quarkpropagators in der komplexen Ebene numerisch untersucht und die Möglichkeit getestet die Anwendbarkeit auf den Sektor der schwer-leicht Quark Systeme im skalaren und pseudoskalaren Kanal, wie dem D Meson, durch Variation des Impulsteilungsparameters zu erweitern. Die Lösungen der Dyson-Schwinger-Gleichung in der Wigner-Weyl-Phase der chiralen Symmetrie bei nichtverschwindenden Stromquarkmassen wird benutzt um den Fall einer expliziten Symmetriebrechung ohne spontane Symmetriebrechung zu untersuchen
The interplay of hadron properties and their modification in an ambient nuclear medium on the one hand and spontaneous chiral symmetry breaking and its restoration on the other hand is investigated. QCD sum rules for D and B mesons embedded in cold nuclear matter are evaluated. We quantify the mass splitting of D - D-bar and B - B-bar mesons as a function of the nuclear matter density and investigate the impact of various condensates in linear density approximation. The analysis also includes D_s and $D^*_0 mesons. QCD sum rules for chiral partners in the open-charm meson sector are presented at nonzero baryon net density or temperature. We focus on the differences between pseudo-scalar and scalar as well as vector and axial-vector D mesons and derive the corresponding Weinberg type sum rules. Based on QCD sum rules we explore the consequences of a scenario for the rho meson, where the chiral symmetry breaking condensates are set to zero whereas the chirally symmetric condensates remain at their vacuum values. The complementarity of mass shift and broadening is discussed. An alternative approach which utilizes coupled Dyson-Schwinger and Bethe-Salpter equations for quark-antiquark bound states is investigated. For this purpose we analyze the analytic structure of the quark propagators in the complex plane numerically and test the possibility to widen the applicability of the method to the sector of heavy-light mesons in the scalar and pseudo-scalar channels, such as the D mesons, by varying the momentum partitioning parameter. The solutions of the Dyson-Schwinger equation in the Wigner-Weyl phase of chiral symmetry at nonzero bare quark masses are used to investigate a scenario with explicit but without dynamical chiral symmetry breaking
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Roth, Thomas. "Medium modifications of antikaons in dense matter." Phd thesis, [S.l. : s.n.], 2004. http://elib.tu-darmstadt.de/diss/000470.

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Amore, Paolo. "Modifications of the nucleon properties in the nuclear medium." W&M ScholarWorks, 2000. https://scholarworks.wm.edu/etd/1539623982.

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In this thesis we consider the possible modifications of the properties of the nucleon inside a nucleus. This problem is studied by applying the Wigner-Seitz approximation to different effective field theory models of the nucleon based on the underlying symmetries of QCD. The Wigner-Seitz approximation reduces the complex many-body problem to an effective one-body problem. By following this approach we calculate the static properties of the nucleon in the nuclear medium in both the Skyrme and the chiral quark soliton models. We also use the same chiral quark-soliton model to calculate the modification of the quark distribution functions measured in deep inelastic electron scattering when a nucleon is inside the nucleus.
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Naruki, Megumi. "Experimental signature of medium modifications for ρ and ω mesons in 12GeV p + A reactions." 京都大学 (Kyoto University), 2006. http://hdl.handle.net/2433/144174.

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Kyoto University (京都大学)
0048
新制・課程博士
博士(理学)
甲第12091号
理博第2985号
新制||理||1445(附属図書館)
23927
UT51-2006-J86
京都大学大学院理学研究科物理学・宇宙物理学専攻
(主査)教授 今井 憲一, 教授 谷森 達, 助教授 齊藤 直人
学位規則第4条第1項該当
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Thomas, Ronny. "In-Medium QCD Sum Rules for omega Meson, Nucleon and D Meson." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1233231634620-61511.

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The modifications of hadronic properties caused by an ambient nuclear medium are investigated within the scope of QCD sum rules. This is exemplified for the cases of the omega meson, the nucleon and the D meson. By virtue of the sum rules, integrated spectral densities of these hadrons are linked to properties of the QCD ground state, quantified in condensates. For the cases of the omega meson and the nucleon it is discussed how the sum rules allow a restriction of the parameter range of poorly known four-quark condensates by a comparison of experimental and theoretical knowledge. The catalog of independent four-quark condensates is covered and relations among these condensates are revealed. The behavior of four-quark condensates under the chiral symmetry group and the relation to order parameters of spontaneous chiral symmetry breaking are outlined. In this respect, also the QCD condensates appearing in differences of sum rules of chiral partners are investigated. Finally, the effects of an ambient nuclear medium on the D meson are discussed and relevant condensates are identified
Die Veränderungen von Hadroneneigenschaften durch ein umgebendes nukleares Medium (Kernmaterie) werden mit der Methode der QCD-Summenregeln untersucht. Dies wird am Beispiel des omega-Mesons, des Nukleons und des D-Mesons vorgeführt. Durch die Summenregeln werden integrierte Spektraldichten dieser Hadronen in Beziehung zu Eigenschaften des QCD-Grundzustandes, quantifiziert in Kondensaten, gesetzt. Diskutiert wird am Beispiel des omega-Mesons und des Nukleons, wie diese Summenregeln eine Einschränkung des Parameterbereiches von wenig bekannten Vierquark-Kondensaten durch Vergleich von experimentellen und theoretischen Erkenntnissen erlauben. Ein Katalog unabhängiger Vierquark-Kondensate wird aufgestellt und Relationen zwischen diesen Kondensaten werden deutlich gemacht. Das Verhalten der Vierquark-Kondensate unter der chiralen Symmetriegruppe und der Zusammenhang mit Ordnungsparametern spontaner chiraler Symmetriebrechung werden behandelt. In dieser Hinsicht werden auch die in Differenzen der Summenregeln chiraler Partner eingehenden QCD-Kondensate untersucht. Schließlich werden die Effekte endlicher Kerndichten beim D-Meson diskutiert und relevante Kondensate identifiziert
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Thomas, Ronny. "In-Medium QCD Sum Rules for omega Meson, Nucleon and D Meson." Doctoral thesis, Technische Universität Dresden, 2008. https://tud.qucosa.de/id/qucosa%3A23612.

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The modifications of hadronic properties caused by an ambient nuclear medium are investigated within the scope of QCD sum rules. This is exemplified for the cases of the omega meson, the nucleon and the D meson. By virtue of the sum rules, integrated spectral densities of these hadrons are linked to properties of the QCD ground state, quantified in condensates. For the cases of the omega meson and the nucleon it is discussed how the sum rules allow a restriction of the parameter range of poorly known four-quark condensates by a comparison of experimental and theoretical knowledge. The catalog of independent four-quark condensates is covered and relations among these condensates are revealed. The behavior of four-quark condensates under the chiral symmetry group and the relation to order parameters of spontaneous chiral symmetry breaking are outlined. In this respect, also the QCD condensates appearing in differences of sum rules of chiral partners are investigated. Finally, the effects of an ambient nuclear medium on the D meson are discussed and relevant condensates are identified.
Die Veränderungen von Hadroneneigenschaften durch ein umgebendes nukleares Medium (Kernmaterie) werden mit der Methode der QCD-Summenregeln untersucht. Dies wird am Beispiel des omega-Mesons, des Nukleons und des D-Mesons vorgeführt. Durch die Summenregeln werden integrierte Spektraldichten dieser Hadronen in Beziehung zu Eigenschaften des QCD-Grundzustandes, quantifiziert in Kondensaten, gesetzt. Diskutiert wird am Beispiel des omega-Mesons und des Nukleons, wie diese Summenregeln eine Einschränkung des Parameterbereiches von wenig bekannten Vierquark-Kondensaten durch Vergleich von experimentellen und theoretischen Erkenntnissen erlauben. Ein Katalog unabhängiger Vierquark-Kondensate wird aufgestellt und Relationen zwischen diesen Kondensaten werden deutlich gemacht. Das Verhalten der Vierquark-Kondensate unter der chiralen Symmetriegruppe und der Zusammenhang mit Ordnungsparametern spontaner chiraler Symmetriebrechung werden behandelt. In dieser Hinsicht werden auch die in Differenzen der Summenregeln chiraler Partner eingehenden QCD-Kondensate untersucht. Schließlich werden die Effekte endlicher Kerndichten beim D-Meson diskutiert und relevante Kondensate identifiziert.
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Hilger, Thomas [Verfasser], Burkhard [Akademischer Betreuer] Kämpfer, and Stefan [Akademischer Betreuer] Leupold. "Medium Modifications of Mesons : Chiral Symmetry Restoration, in-medium QCD Sum Rules for D and rho Mesons, and Bethe-Salpeter Equations / Thomas Hilger. Gutachter: Burkhard Kämpfer ; Stefan Leupold. Betreuer: Burkhard Kämpfer." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://d-nb.info/1067732659/34.

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Tur, Clarisse. "Simulations for an experiment to probe the in-medium properties of photoproduced vector mesons." Washington, D.C : Oak Ridge, Tenn. : United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2003. http://www.osti.gov/servlets/purl/824884-kO2hCu/native/.

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Thesis (M.S.); Submitted to the Univ. of South Carolina, Columbia, SC (US); 1 Apr 2003.
Published through the Information Bridge: DOE Scientific and Technical Information. "JLAB-PHY-03-37" "DOE/ER/40150-2740" Clarisse Tur. 04/01/2003. Report is also available in paper and microfiche from NTIS.
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Muto, Ryotaro. "Evidence for in-medium modification of the φ meson at normal nuclear density." 京都大学 (Kyoto University), 2007. http://hdl.handle.net/2433/136956.

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Takeda, Hiroyuki. "Modification of nucleon-nucleon interactions in nuclear medium and neutron densities extracted via proton elastic scattering at intermediate energies." 京都大学 (Kyoto University), 2002. http://hdl.handle.net/2433/149968.

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Books on the topic "In-medium modifications"

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Radner, Hilary, and Alistair Fox. Thierry Kuntzel and the Rise of Video Art. Edinburgh University Press, 2018. http://dx.doi.org/10.3366/edinburgh/9781474422888.003.0008.

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Raymond Bellour describes how his interest in video art grew out of his personal friendship with Thierry Kuntzel and the latter’s growing interest in experimental filmmaking using the new technology, and how this interest prompted him to seek to understand how the new medium was leading to a modification of perception. He goes on to explain how video technology enables the production of images that escape the natural conditions deemed to constrain photography, also emphasizing the influence of painting on video art.
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Flanagan, Kevin M. Videogame Adaptation. Edited by Thomas Leitch. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199331000.013.25.

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Even more than novels, movies, or radio broadcasts, videogames provide a logical nexus for adaptation studies because they depend on making older narrative sources more dynamic and interactive. Chapter 25 explores four moments of encounter in videogame adaptation that encourage an active paradigm in adaptation studies: textual analysis that makes texts in one medium playable in another, porting a game to a new console or operating system, linguistic and cultural translation, and modding, or players’ modification of games after they have been manufactured. It argues that videogames adapt, and call upon their producers, players, and modders to become adapters at every stage of their conception, creation, distribution, and reception.
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Chase, Zachary James. The Inca State and Local Ritual Landscapes. Edited by Sonia Alconini and Alan Covey. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780190219352.013.9.

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Ritual landscapes were integral to Inca imperial expansion, both as a medium for and as a product of the interaction between the Inca state and regional and local polities. The incorporation of peoples and lands into the Inca Empire entailed complex dealings with local and regional huacas, together with the co-optation and modification of local elite lineages, corporate origins, and histories. Late Horizon ritual landscapes were thus emergent phenomena, constructed over time through processes of negotiation and reconfiguration between the Inca and other peoples. I refer to these negotiated landscapes as “local-imperial,” and explore these interactive processes through archaeological and ethnohistorical data from Cuzco, Pachacamac, Huamachuco, and Huarochirí. Inasmuch as local-imperial ritual landscapes were composite entities described in this article, viewing these different forms of evidence together clarifies our image of the Inca expansion as the work of physical, social, and symbolic-semiotic mastery.
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Frank, Berman, and Bentley David. Book VII Treaties and Treaty-Making, 30 International Conferences. Oxford University Press, 2016. http://dx.doi.org/10.1093/law/9780198739104.003.0030.

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This chapter discusses international conferences in the more formal sense of high-level meetings of state representatives for the discussion or settlement of questions of international concern. Many of the functions served by international conferences are nowadays equally capable of being performed either by a separate conference convened for a specific purpose or alternatively through the medium of a plenary gathering of the principal organ of an international organization. A common solution is for a conference to be convened by decision of an international organization, but to take place separately from the meetings of the organization itself. One increasingly common modern format is for multilateral treaty arrangements to provide for periodic ‘Conferences of the Parties’. These may be simply for reviewing the operation of the treaty, or they may have specific functions conferred on them by the parent treaty for the modification, amendment, or supplementation of the treaty arrangements themselves.
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Book chapters on the topic "In-medium modifications"

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Schober, Florian A., Ilian Atanassov, Christoph Freyer, and Anna Wredenberg. "Quantitative Proteomics in Drosophila with Holidic Stable-Isotope Labeling of Amino Acids in Fruit Flies (SILAF)." In Methods in Molecular Biology, 75–87. New York, NY: Springer US, 2020. http://dx.doi.org/10.1007/978-1-0716-0834-0_7.

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AbstractProtein-focused research has been challenging in Drosophila melanogaster due to few specific antibodies for Western blotting and the lack of effective labeling methods for quantitative proteomics. Herein, we describe the preparation of a holidic medium that allows stable-isotope labeling of amino acids in fruit flies (SILAF). Furthermore, in this chapter, we provide a protocol for mitochondrial enrichments from Drosophila larvae and flies together with a procedure to generate high-quality peptides for further analysis by mass spectrometry. Samples obtained following this protocol can be used for various functional studies such as comprehensive proteome profiling or quantitative analysis of posttranslational modifications upon enrichment. SILAF is based on standard fly routines in a basic wet lab environment and provides a flexible and cost-effective tool for quantitative protein expression analysis.
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Yokkaichi, Satoshi. "In-Medium Mass Modification of Vector Mesons." In Particle and Nuclear Physics at J-PARC, 161–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00961-7_7.

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Hintz, N. M., A. Sethi, and A. M. Lallena. "Medium Modifications of the NN Interaction and (p,p’) Scattering." In Spin and Isospin in Nuclear Interactions, 287–92. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3834-9_24.

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Garrett, Steven L. "Nonlinear Acoustics." In Understanding Acoustics, 701–53. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44787-8_15.

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Abstract A fundamental assumption of linear acoustics is that the presence of a wave does not have an influence on the properties of the medium through which it propagates. By extension, the assumption of linearity also means that a waveform is stable since any individual wave does not interact with itself. Small modifications in the sound speed due to wave-induced fluid convection (particle velocity) and to the wave’s effect on sound speed through the equation of state can lead to effects that could not be predicted within the limitations imposed by the assumption of linearity. Although a wave’s influence on the propagation speed may be small, those effects are cumulative and create distortion that can produce shocks. These are nonlinear effects because the magnitude of the nonlinearity’s influence is related to the square of an individual wave’s amplitude (self-interaction) or the product of the amplitudes of two interacting waves (intermodulation distortion). In addition, the time-average of an acoustically induced disturbance may not be zero. Sound waves can exert forces that are sufficient to levitate solid objects against gravity. The stability of such levitation forces will also be examined along with their relation to resonance frequency shifts created by the position of the levitated object.
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Pelte, D. "In-Medium Modification of the Δ(1232) Resonance at Sis Energies." In Advances in Nuclear Dynamics 5, 13–20. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4719-8_2.

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Young, D. W., and S. J. Freeman. "Modification of Teratogenic Action In Vitro Due to Reduced Culture Medium Serum Content." In Mechanisms and Models in Toxicology, 168–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-72558-6_26.

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Costa, Giovanni, Eleonora Tommasi, Leonardo Giovannini, and Nicola Mucci. "Shiftwork Organization." In Textbook of Patient Safety and Clinical Risk Management, 403–12. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-59403-9_29.

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AbstractIn healthcare companies, shiftwork organization is fundamental to ensure continuous 24-h patient care. This chapter gives an overview of health-related problems associated with shift work and the preventative actions that can be taken to protect workers’ health and well-being. Shift work, in particular night work, results in a disruption of biological circadian rhythms with serious social and psychophysical ramifications for the worker. The adverse health effects of shift work can be both in the short-term (sleep, digestive, mental, and menstrual disorders) and in the medium- to long-term (increased gastrointestinal, neuropsychic, metabolic, and cardiovascular diseases). In 2007, the IARC classified shift work as “probable carcinogen” for humans due to the destructive effects on the circadian rhythm. The modification of the sleep/wake cycle also negatively influences worker’s vigilance and performance (“jet-lag syndrome”) leading to a consequently greater risk of accidents and errors. Shift work can be harmful to the safety of both the worker and the patient. Appropriate shift scheduling that respects ergonomic criteria is important to protect worker and patient health and well-being. Medical residents should be conscious of the legislation and rights regarding shift work to ensure they provide appropriate assistance to patients and to preserve their own social and psychophysical well-being.
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Eliseev, Alexander A., Tatiana A. Kalashnikova, Andrey V. Filippov, and Evgeny A. Kolubaev. "Material Transfer by Friction Stir Processing." In Springer Tracts in Mechanical Engineering, 169–88. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60124-9_8.

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AbstractMechanical surface hardening processes have long been of interest to science and technology. Today, surface modification technologies have reached a new level. One of them is friction stir processing that refines the grain structure of the material to a submicrocrystalline state. Previously, the severe plastic deformation occurring during processing was mainly described from the standpoint of temperature and deformation, because the process is primarily thermomechanical. Modeling of friction stir welding and processing predicted well the heat generation in a quasi-liquid medium. However, the friction stir process takes place in the solid phase, and therefore the mass transfer issues remained unresolved. The present work develops the concept of adhesive-cohesive mass transfer during which the rotating tool entrains the material due to adhesion, builds up a transfer layer due to cohesion, and then leaves it behind. Thus, the transfer layer thickness is a clear criterion for the mass transfer effectiveness. Here we investigate the effect of the load on the transfer layer and analyze it from the viewpoint of the friction coefficient and heat generation. It is shown that the transfer layer thickness increases with increasing load, reaches a maximum, and then decreases. In so doing, the average moment on the tool and the temperature constantly grow, while the friction coefficient decreases. This means that the mass transfer cannot be fully described in terms of temperature and strain. The given load dependence of the transfer layer thickness is explained by an increase in the cohesion forces with increasing load, and then by a decrease in cohesion due to material overheating. The maximum transfer layer thickness is equal to the feed to rotation rate ratio and is observed at the axial load that causes a stress close to the yield point of the material. Additional plasticization of the material resulting from the acoustoplastic effect induced by ultrasonic treatment slightly reduces the transfer layer thickness, but has almost no effect on the moment, friction coefficient, and temperature. The surface roughness of the processed material is found to have a similar load dependence.
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"In-Medium Modifications of Hadron Properties." In Phenomenology of Ultra-Relativistic Heavy-Ion Collisions, 377–90. WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814280686_0028.

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Singh, Sukhmander. "Evolutions of Growing Waves in Complex Plasma Medium." In Engineering Fluid Mechanics [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.93232.

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The purpose of this chapter to discuss the waves and turbulence (instabilities) supported by dusty plasma. Plasmas support many growing modes and instabilities. Wave phenomena are important in heating plasmas, instabilities, diagnostics, etc. Waves in dusty plasma are governed by the dynamics of electrons, ions and dust particles. Disturbances in solar wind, shocks and magnetospheres are the sources of generation of plasma waves. The strong interest in complex plasma provides us better understanding of physics of dusty universe, solar winds, shocks, magnetospheres, dust control in plasma processing units and surface modifications of materials. The theory of linearization of fluid equation for small oscillation has been introduced. The concept of fine particles in complex plasma and its importance is also explained. The expressions for the growth rate of the instabilities in turbulence plasma have been derived.
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Conference papers on the topic "In-medium modifications"

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Djalali, Chaden, Ricardo Alarcon, Phil Cole, Andres J. Kreiner, and Hugo F. Arellano. "Modifications of Hadrons in the Nuclear Medium." In VIII LATIN AMERICAN SYMPOSIUM ON NUCLEAR PHYSICS AND APPLICATIONS. AIP, 2010. http://dx.doi.org/10.1063/1.3480165.

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Nanova, Mariana, Volker Crede, Paul Eugenio, and A. Ostrovidov. "In-medium modifications of the ω meson." In HADRON 2009: Proceedings of the XIII International Conference on Hadron Spectroscopy. AIP, 2010. http://dx.doi.org/10.1063/1.3483425.

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Schadmand, S. "Medium Modifications of Hadrons in Photon Induced Reactions." In HADRON SPECTROSCOPY: Tenth International Conference on Hadron Spectroscopy. AIP, 2004. http://dx.doi.org/10.1063/1.1799791.

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Lolos, George J. "In-Medium modifications of the ρ0 in light nuclei." In HADRON SPECTROSCOPY: Eleventh International Conference on Hadron Spectroscopy. AIP, 2006. http://dx.doi.org/10.1063/1.2176551.

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Metag, Volker, Juan M. Nieves, Eulogio Oset, and Manuel J. Vicente-Vacas. "The search for in-medium modifications of mesons—experimental status." In INTERNATIONAL WORKSHOP ON CHIRAL SYMMETRY IN HADRONS AND NUCLEI. AIP, 2010. http://dx.doi.org/10.1063/1.3542034.

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Hutauruk, Parada T. P., Yongseok Oh, and Kazuo Tsushima. "Effects of Medium Modifications of Nucleon Form Factors on Neutrino Scattering in Dense Matter." In Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018). Journal of the Physical Society of Japan, 2019. http://dx.doi.org/10.7566/jpscp.26.024031.

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Hari, Yogeshwar, and Ramana Relangi. "Finite Element Analysis Applied to Vortex Finder Modifications." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-29017.

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The objective of this paper is to use finite element analysis in determining stresses in a Vortex Finder. Vortex Finder is tube projecting into central vortex of hydro cyclone or dense medium cyclone through which the classified fines or lighter specific gravity fraction of pulp leaves the system. Two Loading Conditions are considered. The stresses determined for the loading conditions are compared with allowable stresses for the material used for the Vortex Finder. Modifications are made to the Vortex Finder and in that also several design modifications are considered. Case 1 Original Design. Case 2 Modified model add eight Additional support connections and eight guests. Case 3 Same as Case 2 Double Elements to see effect on stresses. Case 4 Vortex Finder Modified Double Elements Air Velocity 100 ft. /sec. Case 5 Vortex Finder Modified Double Elements Change in Air Velocity 100 feet/sec. Add 6 support connections and guests removed. Case 6 Vortex Finder Modified Double Elements Air velocity 100 feet per sec. Add six more support connections and gussets Remove gussets move support points closer. For all the cases the stresses were compared with the allowable stresses. It was determined Case 6 with 24 total supports was the best. No Gussets. Support points moved closure. The maximum stress obtained by FEA Model meets the allowable stresses. This is robust design modification. This was implemented.
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Strauch, S., Geralyn P. Zeller, Jorge G. Morfin, and Flavio Cavanna. "Search for Proton Medium Modifications in the [sup 4]He(e⃗,e[sup ʹ]p⃗)[sup 3]H Reaction." In NEUTRINO-NUCLEUS INTERACTIONS IN THE FEW-GEV REGION: NuInt07. AIP, 2007. http://dx.doi.org/10.1063/1.2834464.

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He, Song, and Rajendra Singh. "Dynamic Interactions Between Sliding Friction and Tip Relief in Spur Gears." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34077.

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The chief objective of this article is to examine dynamic interactions between sliding friction and profile modifications in a spur gear pair. First, a new computational method is proposed that incorporates the sliding friction and realistic time-varying stiffness into a multi-degree-of-freedom system model. Second, competing friction formulations, such as the Coulomb dry friction model and empirical expressions based on elasto-hydrodynamic and/or boundary lubrication regime principles, are briefly evaluated and validated by comparing friction force predictions with measurements. Third, effect of the profile modification on the dynamic transmission error is analytically examined under the influence of sliding friction. An out-of-phase relationship between the normal load and friction force is found to be critical as it could amplify motions or forces in the off-line-of-action direction. Typical tip relief schemes are examined including the perfect involute profile (baseline), short tip relief (at light load), intermediate tip relief (at medium load) and long tip relief (at peak load). Case studies are evaluated over a range of operating loads; interactions between sliding friction and profile modifications are observed. Finally, principles that could minimize dynamic transmission errors in the presence of sliding friction are introduced.
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Hua-Fang, Wang, and Liu Gao-En. "Development Test of a Small Aero-Derived Gas Turbine Combustor for Medium Btu Gaseous Fuel." In ASME 1988 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1988. http://dx.doi.org/10.1115/88-gt-165.

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WZ-5 engine is a small aero gas turbine engine rated in 1200kw class. A development program was initiated in 1986 to develop the engine with some modifications to accommodate the medium or low Btu gaseous fuel for its industrial application. The test program was accordingly carried out for the modified engine and combustor to evaluate their ability to burn medium Btu gaseous fuel. The present investigation is a part of the program to justify whether or not the modified combustor is capable of burning the medium Btu gaseous fuel with satisfactory combustion performances. The medium Btu gaseous fuel used in the test contains 50% of H2 and 20% of CH4 and the rest of N2 as innert. That is the typical processing gas produced in chemical fertilizer production. The low heating value of the gas is 3002 kcal/nm3. All the test results whowed that when burning the medium Btu gaseous fuel the modified combustor had quite good performances except one combustor which had the injectors with slot-shape opening at the injector end and had unacceptable combustor exit temperature profile, and also showed that the modified combustor had the potential ability to burn low Btu gaseous fuel which has lower calorific value but some amount of H2.
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Reports on the topic "In-medium modifications"

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Tarko, Andrew P., Mario Romero, Cristhian Lizarazo, and Paul Pineda. Statistical Analysis of Safety Improvements and Integration into Project Design Process. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317121.

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RoadHAT is a tool developed by the Center for Road Safety and implemented for the INDOT safety management practice to help identify both safety needs and relevant road improvements. This study has modified the tool to facilitate a quick and convenient comparison of various design alternatives in the preliminary design stage for scoping small and medium safety-improvement projects. The modified RoadHAT 4D incorporates a statistical estimation of the Crash Reduction Factors based on a before-and-after analysis of multiple treated and control sites with EB correction for the regression-to-mean effect. The new version also includes the updated Safety Performance Functions, revised average costs of crashes, and the comprehensive table of Crash Modification Factors—all updated to reflect current Indiana conditions. The documentation includes updated Guidelines for Roadway Safety Improvements. The improved tool will be implemented at a sequence of workshops for the final end users and preceded with a beta-testing phase involving a small group of INDOT engineers.
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