Scaling Properties of Hyperon Production in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Au</mml:mi><mml:mo>+</mml:mo><mml:mi>Au</mml:mi></mml:math>Collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>200</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>GeV</mml:mi></mml:math>

Adams, J. R.; Aggarwal, M. M.; Ahammed, Z.; Amonett, J.; Anderson, B. D.; Anderson, M.; Arkhipkin, D.; Averichev, G. S.; Bai, Y.; Balewski, J.; Barannikova, O.; Barnby, L. S.; Baudot, J.; Bekele, S.; Belaga, V. V.; Bellingeri-Laurikainen, A.; Bellwied, R.; Bezverkhny, B. I.; Bhardwaj, S.; Bhasin, A.; Bhati, A. K.; Bichsel, H.; Bielčík, J.; Bielčíková, J.; Bland, L. C.; Blyth, C. O.; Blyth, S.; Bonner, B. E.; Botje, M.; Bouchet, J.; Brandin, A. V.; Bravar, A.; Bysterský, M.; Cadman, R. V.; Cai, X. Z.; Caines, H.; Sánchez, M. Calderón De La Barca; Castillo, J.; Catu, O.; Cebra, D.; Chajęcki, Z.; Chaloupka, P.; Chattopadhyay, S.; Chen, H. F.; Chen, J. H.; Chen, Y.; Cheng, J.; Cherney, M.; Chikanian, A.; Choi, H. A.; Christie, W.; Coffin, J. P.; Cormier, Thomas Michael; Cosentino, M. R.; Cramer, J. G.; Crawford, H. J.; Das, Dipayan; Das, Sudipta; Daugherity, M.; Moura, M. M. de; Dedovich, T. G.; Dephillips, M.; Derevschikov, A. A.; Didenko, L.; Dietel, T.; Djawotho, P.; Dogra, S.; Dong, W. J.; Dong, X.; Draper, J. E.; Du, F.; Dunin, V. B.; Dunlop, J. C.; Mazumdar, M. R. Dutta; Eckardt, V.; Edwards, W. R.; Efimov, L. G.; Емелянов, В.; Engelage, J.; Eppley, G.; Erazmus, B.; Estienne, M.; Fachini, P.; Fatemi, R.; Fedorišin, J.; Filimonov, K.; Filip, P.; Finch, E.; Fine, V.; Fisyak, Y.; Fu, Jiang; Gagliardi, C. A.; Gaillard, L.; Gans, J.; Ganti, M. S.; Ghazikhanian, V.; Ghosh, P.; Gonzalez, J. E.; Gorbunov, Y. G.; Gos, H.; Grebenyuk, O. G.; Grosnick, D.; Guertin, S. M.; Guimaraes, K. S.F.F.; Guo, Y.; Gupta, N.; Gutierrez, T. D.; Haag, B.; Hallman, T. J.; Hamed, A.; Harris, J. W.; He, W.; Heinz, M.; Henry, T. W.; Hepplemann, S.; Hippolyte, B.; Hirsch, A.; Hjort, E.; Hoffmann, G. W.; Horner, M. J.; Huang, H. Z.; Huang, S.; Hughes, E. W.; Humanic, T. J.; Igo, G.; Jacobs, P.; Jacobs, W. W.; Jakl, P.; Jia, Fei; Jiang, H.; Jones, P. G.; Judd, E. G.; Kabana, S.; Kang, K.; Kapitan, J.; Kaplan, M.; Keane, D.; Kechechyan, A.; Khodyrev, V. Yu; Kim, B. C.; Kiryluk, J.; Kisiel, A.; Kislov, E. M.; Klein, S. R.; Koetke, D. D.; Kollegger, T.; Kopytine, M.; Kotchenda, L.; Kouchpil, V.; Kowalik, K.; Krämer, M.; Кравцов, П.; Kravtsov, V. I.; Krueger, K.; Kuhn, C.; Куликов, А. И.; Kumar, Ajay; Кузнецов, А. А.; Lamont, M. A.C.; Landgraf, J. M.; Lange, S.; LaPointe, S.; Laue, F.; Lauret, J.; Lebedev, A.; Lednický, R.; Lee, C. H.; Lehocká, S.; LeVine, M. J.; Li, C.; Li, Q.; Li, Y.; Lin, G.; Lindenbaum, S. J.; Lisa, M. A.; Liu, F.; Liu, H.; Liu, J.; Liu, L.; Liu, Z.; Ljubičić, T.; Llope, W. J.; Long, H.; Longacre, R. S.; Lopez-Noriega, M.; Love, W. A.; Lu, Y.; Ludlam, T.; Lynn, D.; L., G.; G., J.; G., Y.; Magestro, D.; Mahapatra, D. P.; Majka, R.; Mangotra, L. K.; Manweiler, R.; Margetis, S.; Markert, C.; Martin, L.; Matis, H. S.; Matulenko, Yu. A.; McClain, C. J.; McShane, T. S.; Melnick, Yu; Meschanin, A.; Miller, Michael L.; Minaev, N. G.; Mioduszewski, S.; Mironov, C.; Mischke, A.; Mishra, D.; Mitchell, J. T.; Mohanty, B.; Molnár, L.; Moore, C. F.; Морозов, Д. А.; Munhoz, M. G.; Nandi, B. K.; Nattrass, C.; Nayak, T. K.; Nelson, J. M.; Netrakanti, P. K.; Никитин, В. А.; Nogach, L. V.; Nurushev, S. B.; Odyniec, G.; Ogawa, A.; Okorokov, V.; Oldenburg, M.; Olson, D.; Pachr, M.; Pal, S. K.; Panebratsev, Y.; Panitkin, S.; Pavlinov, A. I.; Pawlak, T.; Peitzmann, T.; Perevoztchikov, V.; Perkins, C.; Peryt, W.; Петров, В. А.; Phatak, S. C.; Picha, R.; Planinić, M.; Pluta, J.; Poljak, N.; Porile, N.; Porter, J.; Poskanzer, A. M.; Potekhin, M.; Potrebenikova, E.; Potukuchi, B.; Prindle, D.; Pruneau, C.; Putschke, J.; Rakness, G.; Raniwala, R.; Raniwala, S.; Ray, R. L.; Razin, S. V.; Reinnarth, J.; Relyea, D.; Retière, F.; Ridiger, A.; Ritter, H. G.; Roberts, J.B.; Rogachevskiy, O. V.; Romero, J. L.; Rose, A.; Roy, C.; Ruan, L.; Russcher, M. J.; Sahoo, R.; Sakrejda, I.; Salur, S.; Sandweiss, J.; Sarsour, M.; Sazhin, P. S.; Schambach, J.; Scharenberg, R. P.; Schmitz, N.; Schweda, K.; Seger, J.; Selyuzhenkov, I.; Seyboth, P.; Shabetai, A.; Shahaliev, E.; Shao, M.; Sharma, M.; Shen, W. Q.; Shimanskiy, S. S.; Sichtermann, E. P.; Simon, F.; Singaraju, R.; Smirnov, N.; Snellings, Raimond; Sood, G.; Sorensen, P.; Sowiński, J.; Speltz, J.; Spinka, H.; Srivastava, B.; Stadnik, A.; Stanislaus, T. D. S.; Stock, R.; Stolpovsky, A.; Strikhanov, M.; Stringfellow, B.; Suaide, Alexandre Alarcon Do Passo; Sugarbaker, E.; Šumbera, M.; Sun, Z.; Surrow, B.; Swanger, M.; Symons, T. J. M.; Toledo, A. Szanto de; Tai, A.; Takahashi, J.; Tang, A. H.; Tarnowsky, T.; Thein, D.; Thomas, J. H.; Timmins, A. R.; Timoshenko, S.; Tokarev, M.; Trainor, T. A.; Trentalange, S.; Tribble, R. E.; Tsai, O. D.; Ulery, J.; Ullrich, T.; Underwood, D. G.; Buren, G. Van; Kolk, N. van der; Leeuwen, M. van; Molen, A. M. Vander; Varma, R.; Vasilevski, I. M.; Vasiliev, A.; Vernet, R.; Vigdor, S. E.; Viyogi, Y. P.; Vokál, S.; Voloshin, S. A.; Waggoner, W. T.; Wang, F.; Wang, G.; Wang, J. S.; Wang, X. L.; Wang, Y.; Watson, J. W.; Webb, J. C.; Westfall, G. D.; Wetzler, A.; Whitten, C.; Wieman, H.; Wissink, S. W.; Witt, R.; Wood, J.; Wu, Jian; Xu, N.; Xu, Q. H.; Xu, Z.; Yepes, P.; Yoo, I. K.; Yurevich, V. I.; Zhan, W.; Zhang, H.; Zhang, W. M.; Zhang, Y.; Zhang, Z. P.; Zhao, Y.; Chen, Zhong; Zoulkarneev, R.; Zoulkarneeva, Y.; Zubarev, A. N.; Zuo, J. X.

doi:10.1103/physrevlett.98.062301

Cited by 197 publications

(98 citation statements)

References 45 publications

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“…4 and 5, respectively, in comparison with the data from the PHENIX, STAR, and ALICE Collaborations [19,48,50,51,54,55]. Here again the low-momentum spectra forp,¯ +¯ 0 , − ,¯ + , and − +¯ + are roughly described at low momenta; however, the high p T tails are missed considerably at √ s NN = 200 GeV in Fig.…”

Section: A Hadron Transverse Mass Spectra At Rhic and Lhc Energiesmentioning

confidence: 65%

Baryon-antibaryon dynamics in relativistic heavy-ion collisions

Seifert

Cassing

2018

Phys. Rev. C

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The dynamics of baryon-antibaryon annihilation and reproduction (BB ↔ 3M) is studied within the PartonHadron-String Dynamics (PHSD) transport approach for Pb+Pb and Au+Au collisions as a function of centrality from lower Super Proton Synchrotron (SPS) up to Large Hadron Collider (LHC) energies on the basis of the quark rearrangement model. At Relativistic Heavy-Ion Collider (RHIC) energies we find a small net reduction of baryon-antibaryon (BB) (2013)], where a deviation of 2.7 σ was claimed by the ALICE Collaboration, should not be attributed to a net antiproton annihilation. This is in line with the observation that no substantial deviation between the data and statistical hadronization model (SHM) calculations is seen for antihyperons, since according to the PHSD analysis the antihyperons should be modified by the same amount as antiprotons. As the PHSD results for particle ratios are in line with the ALICE data (within error bars) this might point towards a deviation from statistical equilibrium in the hadronization (at least for protons and antiprotons). Furthermore, we find that the BB ↔ 3M reactions are more effective at lower SPS energies where a net suppression for antiprotons and antihyperons up to a factor of 2-2.5 can be extracted from the PHSD calculations for central Au+Au collisions.

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Section: A Hadron Transverse Mass Spectra At Rhic and Lhc Energiesmentioning

confidence: 65%

Baryon-antibaryon dynamics in relativistic heavy-ion collisions

Seifert

Cassing

2018

Phys. Rev. C

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show abstract

“…The lowest energy points are from Au + Au collisions measured by the E896 experiment at the BNL Alternating Gradient Synchrotron (AGS) [1] and the points in the SPS energy region are from Pb + Pb collisions measured by the NA49 experiment [20] and the NA57 experiment [2]. The RHIC data points for 130 and 200 GeV [15,21] are also presented. The strange baryon and meson production exhibits only a small energy dependence from AGS through SPS and on up to the top RHIC energies.…”

Section: Resultsmentioning

confidence: 99%

“…4 GeV are compared to the R CP of from Au + Au collisions at 200 GeV presented in Ref. [15]. To allow for a direct comparison to the 200-GeV data, the R CP was calculated from the ratio between spectra of centrality bins 0-5% and 40-60%.…”

Section: Nuclear Modification Factorsmentioning

confidence: 99%

“…In Sec. IV the main results are presented and the physical implications of these measurements are discussed, including detailed comparisons to the corresponding data from Au + Au at 200-GeV collisions [9,14,15]. Chemical freeze-out properties are extracted from the particle ratios, strangeness enhancement is tested using the ratio of strange particles and pions, and baryon-to-meson differences are studied by comparing the K 0 S spectra to the spectra.…”

Section: Introductionmentioning

confidence: 99%

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Strange and multistrange particle production in Au + Au collisions atsNN=62.4 GeV

Aggarwal¹,

Ahammed²,

Alakhverdyants³

et al. 2011

Phys. Rev. C

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112

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We present results on strange and multistrange particle production in Au + Au collisions at √ s NN = 62.4 GeV as measured with the STAR detector at RHIC. Midrapidity transverse momentum spectra and integrated yields of K 0 S , , , and and their antiparticles are presented for different centrality classes. The particle yields and ratios follow a smooth energy dependence. Chemical freeze-out parameters, temperature, baryon chemical potential, and strangeness saturation factor obtained from the particle yields are presented. Intermediate transverse momentum (p T ) phenomena are discussed based on the ratio of the measured baryon-to-meson spectra and nuclear modification factor. The centrality dependence of various measurements presented show a similar behavior as seen in Au + Au collisions at √ s NN = 200 GeV.

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“…3. The coalescence estimate was obtained using the p/p, / , /p, and /p ratios both measured by the STAR Collaboration [9,44,45] and obtained from the THERMUS calculations. We note that in the coalescence picture the equilibrium abundances of particle yields are not required.…”

Section: He 3 Hementioning

confidence: 99%

Antimatter production in proton-proton and heavy-ion collisions at ultrarelativistic energies

et al. 2011

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One of the striking features of particle production at high beam energies is the near-equal abundance of matter and antimatter in the central rapidity region. In this paper we study how this symmetry is reached as the beam energy is increased. In particular, we quantify explicitly the energy dependence of the approach to matter-antimatter symmetry in proton-proton and in heavy-ion collisions. Expectations are presented also for the production of more complex forms of antimatter such as antihypernuclei.

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Scaling Properties of Hyperon Production inAu+AuCollisions atsNN=200 GeV

Cited by 197 publications

References 45 publications

Baryon-antibaryon dynamics in relativistic heavy-ion collisions

Baryon-antibaryon dynamics in relativistic heavy-ion collisions

Strange and multistrange particle production in Au + Au collisions atsNN=62.4 GeV

Antimatter production in proton-proton and heavy-ion collisions at ultrarelativistic energies

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