Academic literature on the topic 'Lambda-Hyperon'

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Journal articles on the topic "Lambda-Hyperon"

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SOFFER, JACQUES. "OVERVIEW OF LAMBDA AND HYPERON PHYSICS." International Journal of Modern Physics A 18, no. 08 (2003): 1219–28. http://dx.doi.org/10.1142/s0217751x0301454x.

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Some aspects of hyperon polarization phenomena in inclusive production in several high energy collision processes are reviewed. We concentrate on ways to achieve an accurate determination of the unpolarized and polarized fragmentation functions of a quark into a [Formula: see text]. A possible extension to the production of the other hyperons (Σ±,0, Ξ-,0), will be also briefly discussed.
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Ikram, M., Asloob A. Rather, Bharat Kumar, S. K. Biswal, and S. K. Patra. "Quest for magicity in hypernuclei." International Journal of Modern Physics E 25, no. 12 (2016): 1650103. http://dx.doi.org/10.1142/s0218301316501032.

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In the present study, we search the [Formula: see text] magic number in hypernuclei within the framework of relativistic mean field (RMF) theory with inclusion of hyperon–nucleon and hyperon–hyperon potentials. Based on one- and two-lambda separation energy and two-lambda shell gaps, 2, 8, 14, 18, 20, 28, 34, 40, 50, 58, 68, 70 and 82 are suggested to be the [Formula: see text] magic numbers within the present approach. The relative weak strength of [Formula: see text] spin–orbit interaction is responsible for emerging the new lambda shell closures other than the model scheme. The predicted hy
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Dung, Nguyen Thị, Nguyen Mau Chung, and Tran Minh Tam. "Hyperon \(\Omega\) Production in \(pp\) Collisions at Energy 8 TeV." Communications in Physics 27, no. 1 (2017): 91. http://dx.doi.org/10.15625/0868-3166/27/1/9264.

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Because strange quark produced copiously in pp collisions, strange hyperon production is one of the ideal tools to investigate the hadronization process and baryon transport theory. We are especially interested in the hyperon Ω production because this baryon contents only strange quark. Our new studies of the pure strange hyperon Ω produced in pp collision at s = 8 TeV are shown in this report. The following strategy is used to reconstruct the strange hyperon Ω. In the LHCb experiment, the hadrons p, π and K are identified by the RICH detector with PT threshold > 100 MeV. Only Lambda (from
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Lim, Yeunhwan, Chang Ho Hyun, Kyujin Kwak, and Chang-Hwan Lee. "Hyperon puzzle of neutron stars with Skyrme force models." International Journal of Modern Physics E 24, no. 12 (2015): 1550100. http://dx.doi.org/10.1142/s0218301315501001.

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We consider the so-called hyperon puzzle of neutron star (NS). We employ Skyrme force models for the description of in-medium nucleon–nucleon (NN), nucleon–Lambda hyperon ([Formula: see text]) and Lambda–Lambda ([Formula: see text]) interactions. A phenomenological finite-range force (FRF) for the [Formula: see text] interaction is considered as well. Equation of state (EoS) of NS matter is obtained in the framework of density functional theory, and Tolman–Oppenheimer–Volkoff (TOV) equations are solved to obtain the mass-radius relations of NSs. It has been generally known that the existence o
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Zyla, P. "SEARCH FOR DIRECT CP VIOLATION IN HYPERON DECAYS." International Journal of Modern Physics A 16, supp01b (2001): 684–86. http://dx.doi.org/10.1142/s0217751x01007790.

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Fermilab experiment E871, HyperCP, is designed to search for evidence of direct CP violation in Cascade and Lambda hyperon decays. The asymmetry of the angular distribution of the proton in the Lambda helicity frame between Ξ-→Λ+π-, Λ→p+π- and the charge-conjugate decays, will be measured. During the 1997 and 1999 fixed target runs at Fermilab HyperCP collaboration collected billions of Cascade and anti-Cascade decays that would make it possible to probe this asymmetry at the 10-4 statistical level. The status of the data analysis is described.
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Schulze, H. J., and H. Sagawa. "HYPERNUCLEI WITH A MICROSCOPIC LAMBDA-NUCLEON FORCE." International Journal of Modern Physics E 19, no. 12 (2010): 2523–30. http://dx.doi.org/10.1142/s0218301310017034.

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We study properties of Λ hypernuclei in an extended Skyrme-Hartree-Fock model employing recent modern nucleonic Skyrme forces together with a microscopic lambda-nucleon interaction derived from Brueckner-Hartree-Fock calculations of hypernuclear matter with the Nijmegen soft-core hyperon-nucleon potentials. We show in particular recent results of deformed and neutron-rich hypernuclei close to the dripline.
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Kulessa, P., W. Cassing, L. Jarczyk, et al. "Nonmesonic decay of the $\Lambda$ hyperon in heavy hypernuclei." Journal of Physics G: Nuclear and Particle Physics 28, no. 7 (2002): 1715–19. http://dx.doi.org/10.1088/0954-3899/28/7/324.

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Sedrakian, A. D. "HYPERNUCLEAR MATTER IN COMPACT STARS." Proceedings of the YSU A: Physical and Mathematical Sciences 50, no. 3 (241) (2016): 42–46. http://dx.doi.org/10.46991/psyu:a/2016.50.3.042.

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We discuss the recently developed energy density functional for hypernuclear matter, which is based on simultaneous calculation of heavy single-$\Lambda$ hypernuclei and compact stars containing hypernuclear core. The nucleonic matter is described in terms of a density-dependent parametrization of nucleon-meson couplings, whereas the hyperonmeson couplings are deduced from the octet model. We identify the parameter space of hyperon-meson couplings for which massive stellar configurations with $M \leq 2.1 M_\odot$ exist and at the same time the laboratory $\Lambda$-hypernuclear data can be desc
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Li, A. "Neon Isotope and Lambda Hypernuclei with the Nijmegen Hyperon Interaction." Few-Body Systems 54, no. 7-10 (2013): 1231–33. http://dx.doi.org/10.1007/s00601-012-0549-1.

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Suvarieva, D., K. Gudima, and A. Zinchenko. "A Monte Carlo Study of Lambda Hyperon Polarization at BM@N." Physics of Particles and Nuclei Letters 15, no. 2 (2018): 182–88. http://dx.doi.org/10.1134/s1547477118020115.

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Dissertations / Theses on the topic "Lambda-Hyperon"

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Böcker, Matthias. "Messung der transversalen L-Polarisation [Lambda-Polarisation] mit dem HERA-B-Detektor." [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=971196591.

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Veerasamy, Saravanan. "Valdiation of BaBar tracking software using lambda hyperon." Thesis, University of Iowa, 2007. http://ir.uiowa.edu/etd/141.

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Wendisch, Christian. "Hyperon-Produktion und -Polarisation in der Reaktion p (3,5 GeV) + Nb mit HADES." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-158395.

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Zur Erforschung des Verhaltens der Kernmaterie wurde mit dem Dielektronen-Spektrometer HADES am GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt unter anderem die Reaktion p + Nb bei 3,5 GeV kinetischer Strahlenergie untersucht. Obwohl HADES primär für den Nachweis seltener leptonischer Zerfälle der Vektormesonen ρ, ω und φ konzipiert wurde, eignet sich das Spektrometer aufgrund seiner präzisen Spurrekonstruktion auch für die Untersuchung von hadronischen Kanälen. Zum Studium der Strangeness-Signaturen in der Reaktion p + Nb wird in dieser Arbeit der im Jahr 2008 aufgezeichnete Daten
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Kutsche, Ralf. "Untersuchungen der In-Medium-Eigenschaften von K0S-Mesonen und L-Hyperonen [Lambda-Hyperonen] an der Produktionsschwelle." [S.l. : s.n.], 1999. http://elib.tu-darmstadt.de/diss/000039/kutsche.pdf.

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Gabrielyan, Marianna. "Measurement of the Induced Polarization of Lambda(1116) in Kaon Electroproduction with CLAS." FIU Digital Commons, 2012. http://digitalcommons.fiu.edu/etd/619.

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The CLAS Collaboration is using the p(e, e′ K+ p)π- reaction to perform a measurement of the induced polarization of the electroproduced Λ(1116). The parity-violating weak decay of the Λ into pπ- (64%) allows extraction of the recoil polarization of the Λ. The present study uses the CEBAF Large Acceptance Spectrometer (CLAS) to detect the scattered electron, the kaon, and the decay proton. CLAS allows for a large kinematic acceptance in Q2 (0.8 ≤ Q2 ≤ 3.5 GeV2 ), W (1.6 ≤ W ≤ 3.0 GeV), as well as the kaon scattering angle. In this experiment a 5.499 GeV electron beam was incident upon an unpo
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Noble, Anthony James. "A measurement of the branching ratio for the weak radiative decay of the lambda hyperon." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/31075.

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In a measurement performed at the Brookhaven National Laboratory we have measured the branching ratio for the weak radiative decay of the ∧ hyperon. Our result, [formula omitted] is the second, but most precise, measurement of this quantity. It is in slight disagreement with the earlier measurement. Using a thick copper degrader, kaons of initial momentum 680 MeV/c were brought to rest in a liquid hydrogen target. Absorption of these kaons on target protons produced a ∧, either directly via the reaction K⁻p —> ∧ + π⁰, or indirectly via the reaction K⁻p —> Ʃ° + π° with subsequent decay, Ʃ°
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Pleier, Marc-André. "Measurement of inclusive lambda, antilambda hyperon polarisation in proton nucleus collisions at 920 GeV proton beam energy." [S.l. : s.n.], 2002. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB10047837.

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Kang, Donghee. "Longitudinal lambda and anti-lambda polarization at the COMPASS experiment." [S.l. : s.n.], 2007.

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Grape, Sophie. "Studies of PWO Crystals and Simulations of the p̅p →Λ̅Λ, Λ̅Σ0 Reactions for the PANDA Experiment". Doctoral thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-108441.

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The thesis comprises investigations of two topics related to the PANDA experiment. The first part is dedicated to energy resolution and light yield uniformity studies of PWO crystals for the electromagnetic calorimeter. The second part of the thesis is dedicated to simulation studies of the p̅p→Λ̅Λ and the p̅p→Λ̅Σ0 channels. Photon response measurements with one 3×3 crystals matrix of rectangular crystals and one 5×5 matrix with tapered crystals have been performed at the MAX-Lab synchrotron facility in Lund, Sweden. Photon energies in the range of 13-84 MeV were used. GEANT4 simulations were
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Upsal, Isaac. "Global Polarization of the Lamba/Anti-Lambda System in the STAR BES." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu152345697657853.

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Books on the topic "Lambda-Hyperon"

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Sanguanruang, Oravan. [Lambda hyperon]-((R)-cysteinesulfenamido-N,S) bis (ethylenediamine) cobalt(III) complex: Characterization of the complex and kinetics and mechanism of formation and base-catalyzed decomposition. 1988.

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Sanguanruang, Oravan. [Lambda hyperon]-((R)-cysteinesulfenamido-N,S) bis (ethylenediamine) cobalt(III) complex: Characterization of the complex and kinetics and mechanism of formation and base-catalyzed decomposition. 1988.

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Conference papers on the topic "Lambda-Hyperon"

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Yang, Yongliang, Wenjuan Mao, Zhun LU, and Ivan Schmidt. "Production of transversely polarized $\Lambda$ hyperon from unpolarized quark fragmentation in the diquark model." In XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects. Sissa Medialab, 2018. http://dx.doi.org/10.22323/1.316.0140.

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Yu, Yi. "Measurement of Longitudinal Spin Transfer of the \(\Lambda (\bar{\Lambda })\) Hyperon in Polarized p+p Collisions at \(\sqrt{s} = 200\) GeV at RHIC-STAR." In Proceedings of the 24th International Spin Symposium (SPIN2021). Journal of the Physical Society of Japan, 2022. http://dx.doi.org/10.7566/jpscp.37.020303.

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Dubnicka, Stanislav, Anna Zuzana Dubnickova, Cyril Adamuscin, and Erik Bartos. "Theoretical prediction of $\Lambda$, $\Sigma$, $\Xi$ hyperon magnetic form factors $|G_M^Y(t)|$ behaviours and also ratio $|G_E^Y(t)|/|G_M^Y(t)|$ in time-like region." In The European Physical Society Conference on High Energy Physics. Sissa Medialab, 2018. http://dx.doi.org/10.22323/1.314.0757.

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Reports on the topic "Lambda-Hyperon"

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Leros, Nicolas. Search for CP Violation in Hyperon Decay: $\Xi^- / \bar{\Xi}^+$ and $\Lambda / \bar{\Lambda}$. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/1420968.

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Holmstrom, Timothy Kenneth. A Search for cp violation in xi-minus / anti-xi-minus and lambda / anti-lambda hyperon decays. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/1419291.

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James, Catherine Chase. A Measurement of the Branching Ratio of the Weak Radiative Hyperon Decay $\Xi^0 \to \Lambda \gamma$. Office of Scientific and Technical Information (OSTI), 1987. http://dx.doi.org/10.2172/1433221.

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