Strange Baryon Resonance Production in<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><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mo>+</mml:mo><mml:mi>p</mml:mi></mml:math>and<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
B. I. AbelevYale University, New Haven, Connecticut 06520, USAMadan Mohan AggarwalPanjab University, Chandigarh 160014, IndiaZ. AhammedVariable Energy Cyclotron Centre, Kolkata 700064, IndiaJ. AmonettKent State University, Kent, Ohio 44242, USAB.D. AndersonKent State University, Kent, Ohio 44242, USAMichael G. AndersonUniversity of California, Davis, California 95616, USAD. ArkhipkinG. S. AverichevY. BaiNIKHEF and Utrecht University, Amsterdam, The NetherlandsJ. BalewskiIndiana University, Bloomington, Indiana 47408, USAOlga BarannikovaUniversity of Illinois, ChicagoL. S. BarnbyUniversity of Birmingham, Birmingham, United KingdomJ. BaudotS. BekeleOhio State University, Columbus, Ohio 43210, USAV. V. BelagaA. Bellingeri-LaurikainenSUBATECH, Nantes, FranceR. BellwiedWayne State University, Detroit, Michigan 48201, USAF. BenedossoNIKHEF and Utrecht University, Amsterdam, The NetherlandsS. BhardwajUniversity of Rajasthan, Jaipur 302004, IndiaA. BhasinUniversity of Jammu, Jammu 180001, IndiaA. K. BhatiPanjab University, Chandigarh 160014, IndiaH. BichselUniversity of Washington, Seattle, Washington 98195, USAJ. BielcikYale University, New Haven, Connecticut 06520, USAJ. BielcikovaYale University, New Haven, Connecticut 06520, USAL. C. BlandBrookhaven National Laboratory, Upton, New York 11973, USAS-L. BlythLawrence Berkeley National Laboratory, Berkeley, California 94720, USAB. E. BonnerRice University, Houston, Texas 77251, USAM. BotjeNIKHEF and Utrecht University, Amsterdam, The NetherlandsJ. BouchetSUBATECH, Nantes, FranceA. V. BrandinMoscow Engineering Physics Institute, Moscow RussiaA. BravarBrookhaven National Laboratory, Upton, New York 11973, USAT. P. BurtonUniversity of Birmingham, Birmingham, United KingdomM. BysterskýNuclear Physics Institute AS CR, 250 68 Řež/Prague, Czech RepublicR. V. CadmanArgonne National Laboratory, Argonne, Illinois 60439, USAX. Z. CaiShanghai Institute of Applied Physics, Shanghai 201800, ChinaH. CainesYale University, New Haven, Connecticut 06520, USAM. Calderón de la Barca SánchezUniversity of California, Davis, California 95616, USAJ. Castillo CastellanosNIKHEF and Utrecht University, Amsterdam, The NetherlandsO. CatuYale University, New Haven, Connecticut 06520, USAD. CebraUniversity of California, Davis, California 95616, USAZ. ChajęckiOhio State University, Columbus, Ohio 43210, USAP. ChaloupkaNuclear Physics Institute AS CR, 250 68 Řež/Prague, Czech RepublicS. ChattopadhyayVariable Energy Cyclotron Centre, Kolkata 700064, IndiaH. F. ChenUniversity of Science & Technology of China, Hefei 230026, ChinaJ. H. ChenShanghai Institute of Applied Physics, Shanghai 201800, ChinaJ. ChengTsinghua University, Beijing 100084, ChinaM. CherneyCreighton University, Omaha, Nebraska 68178, USAA. ChikanianYale University, New Haven, Connecticut 06520, USAW. ChristieBrookhaven National Laboratory, Upton, New York 11973, USAJ. P. CoffinT. M. CormierWayne State University, Detroit, Michigan 48201, USAM. R. CosentinoUniversidade de Sao Paulo, Sao Paulo, BrazilJ. G. CramerUniversity of Washington, Seattle, Washington 98195, USAH. J. CrawfordUniversity of California, Berkeley, California 94720, USAD. DasVariable Energy Cyclotron Centre, Kolkata 700064, IndiaS. DasVariable Energy Cyclotron Centre, Kolkata 700064, IndiaS. DashInstitute of Physics, Bhubaneswar 751005, IndiaM. DaugherityUniversity of Texas, Austin, Texas 78712, USAM. M. de MouraUniversidade de Sao Paulo, Sao Paulo, BrazilT. G. DedovichM. DePhillipsBrookhaven National Laboratory, Upton, New York 11973, USAA. A. DerevschikovInstitute of High Energy Physics, Protvino, RussiaL. DidenkoBrookhaven National Laboratory, Upton, New York 11973, USAT. DietelUniversity of Frankfurt, Frankfurt, GermanyP. DjawothoIndiana University, Bloomington, Indiana 47408, USAS. DograUniversity of Jammu, Jammu 180001, IndiaW. J. DongUniversity of California, Los Angeles, California 90095, USAX. DongUniversity of Science & Technology of China, Hefei 230026, ChinaJ. E. DraperUniversity of California, Davis, California 95616, USAF. DuYale University, New Haven, Connecticut 06520, USAV. B. DuninJ. C. DunlopBrookhaven National Laboratory, Upton, New York 11973, USAM. R. Dutta MazumdarVariable Energy Cyclotron Centre, Kolkata 700064, IndiaV. EckardtMax-Planck-Institut für Physik, Munich, GermanyW.R. EdwardsLawrence Berkeley National Laboratory, Berkeley, California 94720, USAL. G. EfimovV. EmelianovMoscow Engineering Physics Institute, Moscow RussiaJ. EngelageUniversity of California, Berkeley, California 94720, USAG. EppleyRice University, Houston, Texas 77251, USAB. ErazmusSUBATECH, Nantes, FranceM. EstienneP. FachiniBrookhaven National Laboratory, Upton, New York 11973, USAR. FatemiMassachusetts Institute of Technology, Cambridge, Massachusetts 02139-4307, USAJ. FedorisinK. FilimonovLawrence Berkeley National Laboratory, Berkeley, California 94720, USAP. FilipE. FinchYale University, New Haven, Connecticut 06520, USAV. FineBrookhaven National Laboratory, Upton, New York 11973, USAY. FisyakBrookhaven National Laboratory, Upton, New York 11973, USAJ. FuInstitute of Particle Physics, CCNU (HZNU), Wuhan 430079, ChinaC. A. GagliardiTexas A&M University, College Station, Texas 77843, USAL. GaillardUniversity of Birmingham, Birmingham, United KingdomM. S. GantiVariable Energy Cyclotron Centre, Kolkata 700064, IndiaL. GaudichetSUBATECH, Nantes, FranceV. GhazikhanianUniversity of California, Los Angeles, California 90095, USAP. GhoshVariable Energy Cyclotron Centre, Kolkata 700064, IndiaJ. E. GonzalezUniversity of California, Los Angeles, California 90095, USAY. G. GorbunovCreighton University, Omaha, Nebraska 68178, USAH. GosWarsaw University of Technology, Warsaw, PolandO. G. GrebenyukNIKHEF and Utrecht University, Amsterdam, The Netherlands
2006lv
ABI
Аннотация
We report the measurements of Sigma(1385) and Lambda(1520) production in p+p and Au+Au collisions at sqrt[s{NN}]=200 GeV from the STAR Collaboration. The yields and the p(T) spectra are presented and discussed in terms of chemical and thermal freeze-out conditions and compared to model predictions. Thermal and microscopic models do not adequately describe the yields of all the resonances produced in central Au+Au collisions. Our results indicate that there may be a time span between chemical and thermal freeze-out during which elastic hadronic interactions occur.
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Цитирований: 2Использованных источников: 0