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Gotowe bibliografie tematyczne / Charmonium; particles

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Gotowa bibliografia na temat „Charmonium; particles”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Charmonium; particles"

1

Küßner, Meike. "Recent Highlights on Meson Spectroscopy at BESIII." EPJ Web of Conferences 291 (2024): 01002. http://dx.doi.org/10.1051/epjconf/202429101002.

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Despite mesons being one of the longest known type of particles, there are still many open questions. Besides well understood states that can be clearly attributed to meson nonets, there are many candidates which could have an exotic nature instead. Such exotic particles e.g. glueballs, hybrids and tetraquarks can be favorably studied in clean, gluon rich environments. The BE-SIII experiment, which is in operation at the BEPCII electron-positron collider in Beijing since 2009, has collected world leading high statistic data samples in the charmonium region. This allows to study rare reactions

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Li, Chenyu, and Baoyi Chen. "Anisotropic Flows of Charmonium in the Relativistic Heavy-Ion Collisions." Mathematics 10, no. 22 (2022): 4284. http://dx.doi.org/10.3390/math10224284.

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We review recent studies about anisotropic flows (v1,v2,v3) of charmonium in the quark-gluon plasma produced in relativistic heavy-ion collisions. Collective flows of the bulk medium are developed due to the anisotropic pressure gradient of the medium. Strongly coupled with the bulk medium, charm quarks carry collective flows from the expanding medium, which will be inherited by the regenerated charmonium via the coalescence process. In event-by-event collisions where nucleon positions fluctuate from the smooth distribution, there is triangularity in the medium initial energy density. Triangul

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Kuanyshbaiuly, Y., K. Baiseitov, and Т. Ramazanov. "Cornell potential in collisional quark-gluon plasma." BULLETIN of the L.N. Gumilyov Eurasian National University. PHYSICS. ASTRONOMY Series 142, no. 1 (2023): 16–25. http://dx.doi.org/10.32523/2616-6836-2023-142-1-16-25.

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In experimental studies of quark-gluon plasma at accelerators, charmonium and bottomonium play an important role, since their onset of dissociation is one of the few signs of a phase transition in a hot and superdense medium. These particles represent the bound states of the heavy quark and antiquark of charm and bottom flavour, respectively. One of the well-studied research methods is considered to be phenomenological models, where the interaction between quarks is described by the Cornell-type potentials, as well as its modifications. This article examines the influence of the movement of ch

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PALANO, ANTIMO. "CHARM AND CHARMONIUM SPECTROSCOPY AT BABAR." International Journal of Modern Physics A 24, no. 02n03 (2009): 343–50. http://dx.doi.org/10.1142/s0217751x09043663.

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We report on the most recent progress in charm and charmonium spectroscopy. Many new states have been discovered in the high statistics data sets from B -factories and CLEO experiment. Some of these particles are candidates for being exotic non [Formula: see text] states. We will concentrate on results obtained at the BABAR experiment which are based on up to ≈ 470 fb-1 of e+e- collisions at the ϒ(4S) resonance at the PEP-II linear accelerator at SLAC.

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UEHARA, SADAHARU. "RECENT RESULTS ON MESON SPECTROSCOPY FROM BELLE AND BABAR." International Journal of Modern Physics A 26, no. 03n04 (2011): 341–46. http://dx.doi.org/10.1142/s0217751x11051639.

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Recent experimental studies of meson spectroscopy at the B -factories are reviewed. This report covers updates of studies for exotic candidates of both charmonium-like and bottomonium-like particles as well as searches and measurements of other new or known states including conventional heavy quarkonia.

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SHEN, XIAOYAN. "HEAVY FLAVOR, QUARKONIUM PRODUCTION AND DECAY." International Journal of Modern Physics A 21, no. 08n09 (2006): 1710–23. http://dx.doi.org/10.1142/s0217751x06032708.

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Recent experimental results on quarkonium physics are reviewed. In particular, the new observed particles since last one or two years, such as X(1835), X(3872), X(3940), Y(3940) and Y(4260) are discussed, the latest data on double charmonium production, heavy hadron spectroscopy and quarkonia decays are presented.

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HARTMANN, OLAF N. "HADRON PROPERTIES IN THE NUCLEAR MEDIUM — THE PANDA PROGRAM WITH $\overline{\rm p} \rm{A}$ REACTIONS." International Journal of Modern Physics A 22, no. 02n03 (2007): 578–81. http://dx.doi.org/10.1142/s0217751x07035872.

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The PANDA experiment at FAIR comprises the possibility to study antiproton annihilations on nuclear targets. Such reactions are ideally suited to investigate the in-medium-potential of hadrons – charmed mesons, charmonium, antikaons, antibaryons – making use of the PANDA detector system to detect the final state particles. The paper discusses connected experimental results, predictions i.a. for the so far unexplored region of the charm quark mass, and the intended experimental procedure.

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Alam, I. S., and S. B. Maywenson. "Revisiting the charmonium spectra within the non-relativistic framework using the Matrix Numerov method." Journal of Physics: Conference Series 2498, no. 1 (2023): 012013. http://dx.doi.org/10.1088/1742-6596/2498/1/012013.

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Abstract Charmonium is a composite particle composed of charm and anti-charm quark. Studying spectroscopy on charmonium is one effort to understand the strong interactions. In this study, the mass spectrum of the charmonium is modeled within a non-relativistic framework. As a result, we can use the Schrödinger equation to describe the charmonium system. The results obtained with the non-relativistic framework are reasonable for charmonium because the charm mass is relatively large compared to the quark mass from the first generation. Potential energy for charmonium is composed of phenomenologi

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Esposito, Angelo, Andrea L. Guerrieri, Fulvio Piccinini, Alessandro Pilloni, and Antonio D. Polosa. "Four-quark hadrons: An updated review." International Journal of Modern Physics A 30, no. 04n05 (2015): 1530002. http://dx.doi.org/10.1142/s0217751x15300021.

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The past decade witnessed a remarkable proliferation of exotic charmonium-like resonances discovered at accelerators. In particular, the recently observed charged states are clearly not interpretable as [Formula: see text] mesons. Notwithstanding the considerable advances on the experimental side, conflicting theoretical descriptions do not seem to provide a definitive picture about the nature of the so-called XYZ particles. We present here a comprehensive review about this intriguing topic, discussing both those experimental and theoretical aspects which we consider relevant to make further p

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10

Bauer, G. "The X(3872) at CDF II." International Journal of Modern Physics A 20, no. 16 (2005): 3765–67. http://dx.doi.org/10.1142/s0217751x05027552.

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Last year's X(3872) discovery was confirmed with the CDF II detector in [Formula: see text] collisions. We measure its mass to be 3871.3±0.7±0.4 MeV/c 2. The source of X-mesons in the large CDF sample is resolved by studying their vertex displacement. We find 16.1±4.9±2.0% of our X-sample comes from decays of b-hadrons, and the remainder from prompt sources: either direct production or by decay of (unknown) short-lived particles. The mix of production sources is similar to that observed for the ψ(2S) charmonium state.

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Rozprawy doktorskie na temat "Charmonium; particles"

1

Saab, Tarek. "Study of charmonium final states in B meson decays." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0003/MQ44266.pdf.

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Milek, Marko. "Measurement of inclusive production of Charmonium states at BABAR." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=38083.

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This thesis presents a study of inclusive production of charmonium mesons at the U (4S) resonance ( s = 10.58 GeV) and in the continuum up to 50 MeV below the resonance. The full dataset of BABAR Run 1 (an integrated luminosity of 23.3 fb-1) is used in the analysis.<br>The branching fractions of B mesons to J/ y , y (2S), cc1 and cc2 are measured: BB→J/yX = (1.044 +/- 0.013 +/- 0.035)%, BB→y2S X = (0.274 +/- 0.020 +/- 0.029)%, BB→cc1X = (0.378 +/- 0.034 +/- 0.026)% and BB→cc2X < 0.21%. By equating the y (2S) production rates calculated using the y (2S) → &ell;+&ell;- f

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Rosati, Marzia. "A measurement of proton and pion induced P-wave charmonium hadroproduction." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39314.

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The production of charmonium states, $ chi sb1$ and $ chi sb2$, was measured at 300 GeV/c with $ pi sp+$, $ pi sp-$, and proton beams on a lithium target. The cross-sections were determined by analyzing the full data sample recorded, during the 1987-1988 running period, by experiment E705 at Fermilab. The $ chi$ mesons were detected through their radiative decay into J/$ psi$ $ gamma$ and the subsequent decay, $ psi to mu sp+ mu sp-$.<br>The measured cross-sections for the $ chi$ mesons and estimates of the cross section for direct production of J/$ psi$'s have been compared with measurements

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4

Mangiafave, Nicola. "Measurements of charmonia production and a study of the X (3872) at LHCb." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610254.

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Albuquerque, Raphael Moreira de. "Etats exotiques du Charmonium." Thesis, Montpellier 2, 2013. http://www.theses.fr/2013MON20024/document.

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Cette thèse a utilisé la méthode des règles de somme de QCD pour étudier la nature des résonances du charmonium suivantes: Y(3930), Y(4140), X(4350), Y(4260), Y(4360) et Y(4660). Il y a des fortes indications que ces états ont des structures hadroniques non conventionnelles (ou exotiques) lorsque leurs masses respectives et les modes de désintégration observés expérimentalement sont incompatibles avec ce qui est attendu pour l'état conventionnel du charmonium.Le même phénomène se produit dans le secteur du bottomonium, où les nouveaux états Yb(10890) et Yb(11020), observeés récemment pourraien

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Fleury, Thiago Simonetti. "Hadroprodução de charmonium." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-08062015-162952/.

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Neste trabalho, nós estudamos a hadroprodução de charmonium em experimentos de alvo fixo com os três modelos: modelo de singleto de cor (CSM), modelo de evaporação de cor (CEM) e QCD não relativística (NRQCD). Os ajustes feitos aos dados experimentais nos permitiram concluir que o CSM subestima o valor da seção de choque de produção dos estados de charmonium J/ e (2S) e, portanto, não descreve adequadamente a hadroprodução nestes casos. Os modelos CEM e NRQCD por outro lado descreveram satisfatoriamente os dados, no entanto, o fato dos resultados experimentais possuírem grandes incertezas não

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Albuquerque, Raphael Moreira de. "Estados Exóticos do Charmonium." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-06062013-170356/.

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Nesta tese de doutorado é utilizado o método das Regras de Soma da QCD para estudar a natureza dos novos estados ressonantes do charmonium: Y(3930), Y(4140), X(4350), Y(4260), Y(4360) e Y(4660). Há fortes evidências de que estes estados possuam estruturas hadrônicas não convencionais (ou exóticas) uma vez que as suas respectivas massas e canais de decaimento observados experimentalmente são inconsistentes com o que é esperado para o estado ressonante convencional do charmonium, J/psi. O mesmo fenômeno ocorre no setor do bottomonium, onde os novos estados Yb(10890) e Yb(11020) observados recent

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CECCHI, ANNALISA. "Study of double charmonium production around √s = 10.58 GeV with the BaBar detector." Doctoral thesis, Università degli studi di Ferrara, 2009. http://hdl.handle.net/11392/2389141.

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In this thesis the analysis on double charmonium production at the energy of the $\Upsilon$(4S), with the \babar~data is documented. The aim of this analysis is to understand the mechanism of production of double charmonium states fro \ee annihilation, in particular after the discrepancies which at the beginning of these studies appeared. With successive studies, these discrepancies have been almost solved. This analysis was already performed by \babar~ collaboration \cite{shuwei}, and in this thesis we want to update that work, with a luminosity early four times higher (468 $fb^{1}$. I

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Takan, Taylan. "Study Of The Heavy Quarkonia Spectra In The Quark Model." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614102/index.pdf.

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Conventional Heavy Quarkonium systems, Charmonium and Bottomonium, are believed to be composed of a heavy quark and anti-quark pair. These systems are investigated by dierent methods resulting from dierent approaches to Quantum Chromodynamics (QCD), such as Lattice QCD, Eective Theories and Sum Rules. In this thesis we study the spectrum of Charmonium and Bottomonium using a non-relativistic Quark Model. Assuming one gluon exchange for the short distances and a linear confining potential for long distances we derive Breit-Fermi interaction Hamiltonian and calculate the spectra arising from thi

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Gao, Xuyang. "Search for high mass resonances in electron-electron and electron-muon final states with CMS data and study of exotic states with BESIII data." Doctoral thesis, Universite Libre de Bruxelles, 2019. https://dipot.ulb.ac.be/dspace/bitstream/2013/288251/3/contents.pdf.

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We present a search for lepton flavor violation processes at eμ final states with the data collected by the CMS experiment at the LHC at a center-of-mass energy of 13 TeV in 2016 corresponding to the integrated luminosity of 35.9 fb^(-1). No evidence for physics beyond the Standard Model is observed in the eμ invariant mass spectrum, the results are interpreted in terms of three different models, an R-parity violating SUSY model (RPV), a heavy Z’ gauge boson model, and a quantum black hole model (QBH). The lower mass limits at 95\% confidence level (C.L.) are found.We also present a search for

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Części książek na temat "Charmonium; particles"

1

Igonkina, Olga. "Charmonium Hadro-Production at HERA-B." In Particle Physics in the New Millennium. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/3-540-36539-7_33.

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Streszczenia konferencji na temat "Charmonium; particles"

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Seth, Kamal K. "Charmonium from CLEO." In PARTICLES AND NUCLEI: Seventeenth Internatinal Conference on Particles and Nuclei. AIP, 2006. http://dx.doi.org/10.1063/1.2220341.

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Schröder, Torsten, and BaBar Collaboration. "Charmonium and charmonium-like states with BaBar." In 19TH PARTICLES AND NUCLEI INTERNATIONAL CONFERENCE (PANIC11). AIP, 2012. http://dx.doi.org/10.1063/1.3700543.

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Jiang, Houbing. "Charmonium Decays at BESIII." In Particles and Nuclei International Conference 2021. Sissa Medialab, 2022. http://dx.doi.org/10.22323/1.380.0184.

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CHOI, Sookyung. "Charmonium-like particles at Belle." In European Physical Society Europhysics Conference on High Energy Physics. Sissa Medialab, 2010. http://dx.doi.org/10.22323/1.084.0053.

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Blaschke, D. "Charmonium in Medium and at RHIC." In PARTICLES AND NUCLEI: Seventeenth Internatinal Conference on Particles and Nuclei. AIP, 2006. http://dx.doi.org/10.1063/1.2220180.

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Geng, Cong, and BESIII Collaboration. "Recent charmonium results at BESIII experiment." In 19TH PARTICLES AND NUCLEI INTERNATIONAL CONFERENCE (PANIC11). AIP, 2012. http://dx.doi.org/10.1063/1.3700638.

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George, Katherine. "Measurements of sin2β at BABAR with charmonium and penguin decays". У PARTICLES AND NUCLEI: Seventeenth Internatinal Conference on Particles and Nuclei. AIP, 2006. http://dx.doi.org/10.1063/1.2220369.

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Hushnud, Hushnud. "Recent results on charmonium production in pp collisions." In Particles and Nuclei International Conference 2021. Sissa Medialab, 2022. http://dx.doi.org/10.22323/1.380.0243.

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Kornicer, M., and CLEO Collaboration. "Amplitude analysis of charmonium decays at CLEO-c." In 19TH PARTICLES AND NUCLEI INTERNATIONAL CONFERENCE (PANIC11). AIP, 2012. http://dx.doi.org/10.1063/1.3700542.

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Liu, Liuming, Sinéad M. Ryan, Mike Peardon, Graham Moir, and Pol V. Mainar. "New results for charmonium spectroscopy from lattice QCD." In 19TH PARTICLES AND NUCLEI INTERNATIONAL CONFERENCE (PANIC11). AIP, 2012. http://dx.doi.org/10.1063/1.3700544.

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