Strange baryon resonance production in sqrt{s_{NN}} = 200 GeV p+p and Au+Au collisions

The STAR Collaboration: B.I. Abelev , M.M. Aggarwal , Z. Ahammed , J. Amonett , B.D. Anderson , M. Anderson , D. Arkhipkin , G.S. Averichev

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Y. Bai J. Balewski O. Barannikova L.S. Barnby J. Baudot S. Bekele V.V. Belaga A. Bellingeri-Laurikainen R. Bellwied F. Benedosso S. Bhardwaj A. Bhasin A.K. Bhati H. Bichsel J. Bielcik J. Bielcikova L.C. Bland S-L. Blyth B.E. Bonner M. Botje J. Bouchet A.V. Brandin A. Bravar T.P. Burton M. Bystersky R.V. Cadman X.Z. Cai H. Caines M. Calder\'on de la Barca S\'anchez J. Castillo O. Catu D. Cebra Z. Chajecki P. Chaloupka S. Chattopadhyay H.F. Chen J.H. Chen J. Cheng M. Cherney A. Chikanian W. Christie J.P. Coffin T.M. Cormier M.R. Cosentino J.G. Cramer H.J. Crawford D. Das S. Das S. Dash M. Daugherity M.M. De Moura T.G. Dedovich M. DePhillips A.A. Derevschikov L. Didenko T. Dietel P. Djawotho S.M. Dogra W.J. Dong X. Dong J.E. Draper F. Du V.B. Dunin J.C. Dunlop M.R. Dutta Mazumdar V. Eckardt W.R. Edwards L.G. Efimov V. Emelianov J. Engelage G. Eppley B. Erazmus M. Estienne P. Fachini R. Fatemi J. Fedorisin K. Filimonov P. Filip E. Finch V. Fine Y. Fisyak J. Fu C.A. Gagliardi L. Gaillard M.S. Ganti L. Gaudichet V. Ghazikhanian P. Ghosh J.E. Gonzalez Y.G. Gorbunov H. Gos O. Grebenyuk D. Grosnick S.M. Guertin K.S.F.F. Guimaraes N. Gupta T.D. Gutierrez B. Haag T.J. Hallman A. Hamed J.W. Harris W. He M. Heinz T.W. Henry S. Hepplemann B. Hippolyte A. Hirsch E. Hjort A.M. Hoffman G.W. Hoffmann M.J. Horner H.Z. Huang S.L. Huang E.W. Hughes T.J. Humanic G. Igo P. Jacobs W.W. Jacobs P. Jakl F. Jia H. Jiang P.G. Jones E.G. Judd S. Kabana K. Kang J. Kapitan M. Kaplan D. Keane A. Kechechyan V.Yu. Khodyrev B.C. Kim J. Kiryluk A. Kisiel E.M. Kislov S.R. Klein A. Kocoloski D.D. Koetke T. Kollegger M. Kopytine L. Kotchenda V. Kouchpil K.L. Kowalik M. Kramer P. Kravtsov V.I. Kravtsov K. Krueger C. Kuhn A.I. Kulikov A. Kumar A.A. Kuznetsov M.A.C. Lamont J.M. Landgraf S. Lange S. LaPointe F. Laue J. Lauret A. Lebedev R. Lednicky C-H. Lee S. Lehocka M.J. LeVine C. Li Q. Li Y. Li G. Lin X. Lin S.J. Lindenbaum M.A. Lisa F. Liu H. Liu J. Liu L. Liu Z. Liu T. Ljubicic W.J. Llope H. Long R.S. Longacre W.A. Love Y. Lu T. Ludlam D. Lynn G.L. Ma J.G. Ma Y.G. Ma D. Magestro D.P. Mahapatra R. Majka L.K. Mangotra R. Manweiler S. Margetis C. Markert L. Martin H.S. Matis Yu.A. Matulenko C.J. McClain T.S. McShane Yu. Melnick A. Meschanin J. Millane M.L. Miller N.G. Minaev S. Mioduszewski C. Mironov A. Mischke D.K. Mishra J. Mitchell B. Mohanty L. Molnar C.F. Moore D.A. Morozov M.G. Munhoz B.K. Nandi C. Nattrass T.K. Nayak J.M. Nelson P.K. Netrakanti L.V. Nogach S.B. Nurushev G. Odyniec A. Ogawa V. Okorokov M. Oldenburg D. Olson M. Pachr S.K. Pal Y. Panebratsev S.Y. Panitkin A.I. Pavlinov T. Pawlak T. Peitzmann V. Perevoztchikov C. Perkins W. Peryt S.C. Phatak R. Picha M. Planinic J. Pluta N. Poljak N. Porile J. Porter A.M. Poskanzer M. Potekhin E. Potrebenikova B.V.K.S. Potukuchi D. Prindle C. Pruneau J. Putschke G. Rakness R. Raniwala S. Raniwala R.L. Ray S.V. Razin J. Reinnarth D. Relyea F. Retiere A. Ridiger H.G. Ritter J.B. Roberts O.V. Rogachevskiy J.L. Romero A. Rose C. Roy L. Ruan M.J. Russcher R. Sahoo T. Sakuma S. Salur J. Sandweiss M. Sarsour P.S. Sazhin J. Schambach R.P. Scharenberg N. Schmitz K. Schweda J. Seger I. Selyuzhenkov P. Seyboth A. Shabetai E. Shahaliev M. Shao M. Sharma W.Q. Shen S.S. Shimanskiy E Sichtermann F. Simon R.N. Singaraju N. Smirnov R. Snellings G. Sood P. Sorensen J. Sowinski J. Speltz H.M. Spinka B. Srivastava A. Stadnik T.D.S. Stanislaus R. Stock A. Stolpovsky M. Strikhanov B. Stringfellow A.A.P. Suaide E. Sugarbaker M. Sumbera Z. Sun B. Surrow M. Swanger T.J.M. Symons A. Szanto De Toledo A. Tai J. Takahashi A.H. Tang T. Tarnowsky D. Thein J.H. Thomas A.R. Timmins S. Timoshenko M. Tokarev T.A. Trainor S. Trentalange R.E. Tribble O.D. Tsai J. Ulery T. Ullrich D.G. Underwood G. Van Buren N. van der Kolk M. van Leeuwen A.M. Vander Molen R. Varma I.M. Vasilevski A.N. Vasiliev R. Vernet S.E. Vigdor Y.P. Viyogi S. Vokal S.A. Voloshin W.T. Waggoner F. Wang G. Wang J.S. Wang X.L. Wang Y. Wang J.W. Watson J.C. Webb G.D. Westfall A. Wetzler C. Whitten Jr. H. Wieman S.W. Wissink R. Witt J. Wood J. Wu N. Xu Q.H. Xu Z. Xu P. Yepes I-K. Yoo V.I. Yurevich W. Zhan H. Zhang W.M. Zhang Y. Zhang Z.P. Zhang Y. Zhao C. Zhong R. Zoulkarneev Y. Zoulkarneeva A.N. Zubarev J.X. Zuo

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keywords collisionsthermalchemicalfreeze-outproductionsqrtyieldsadequately

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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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Probing Late-Stage Hadronic Interactions at High Baryon Density via $K^{*0}$ Production in the RHIC Beam Energy Scan Program
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