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Kaon production and kaon to pion ratio in Au + Au collisions at √sNN = 130 GeV

  • C. Adler
  • , Z. Ahammed
  • , C. Allgower
  • , J. Amonett
  • , B. D. Anderson
  • , M. Anderson
  • , G. S. Averichev
  • , J. Balewski
  • , O. Barannikova
  • , L. S. Barnby
  • , J. Baudot
  • , S. Bekele
  • , V. V. Belaga
  • , R. Bellwied
  • , J. Berger
  • , H. Bichsel
  • , A. Billmeier
  • , L. C. Bland
  • , C. O. Blyth
  • , B. E. Bonner
  • A. Boucham, A. Brandin, A. Bravar, R. V. Cadman, H. Caines, M. Calderón de la Barca Sánchez, A. Cardenas, J. Carroll, J. Castillo, M. Castro, D. Cebra, Y. Chen, S. P. Chernenko, M. Cherney, A. Chikanian, B. Choi, W. Christie, J. P. Coffin, T. M. Cormier, J. G. Cramer, H. J. Crawford, W. S. Deng, A. A. Derevschikov, L. Didenko, T. Dietel, J. E. Draper, V. Eckardt, L. G. Efimov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, P. Fachini, V. Faine, K. Filimonov, E. Finch, Y. Fisyak, D. Flierl, K. J. Foley, J. Fu, C. A. Gagliardi, N. Gagunashvili, J. Gans, L. Gaudichet, M. Germain, F. Geurts, V. Ghazikhanian, O. Grachov, V. Grigoriev, M. Guedon, E. Gushin, T. J. Hallman, D. Hardtke, J. W. Harris, T. W. Henry, S. Heppelmann, T. Herston, B. Hippolyte, A. Hirsch, E. H. Jort, G. W. Hoffmann, M. Horsley, H. Z. Huang, T. J. Humanic, G. Igo, A. Ishihara, Y. I. Ivanshin, P. Jacobs, W. W. Jacobs, M. Janik, I. Johnson, P. G. Jones, E. G. Judd, M. Kaneta, M. Kaplan, D. Keane, J. Kiryluk, A. Kisiel, J. Klay, S. R. Klein, A. Klyachko, A. S. Konstantinov, M. Kopytine, L. Kotchenda, P. Kravtsov, K. Krueger, C. Kuhn, A. I. Kulikov, G. J. Kunde, C. L. Kunz, R. K. Kutuev, M. A.C. Lamont, J. M. Landgraf, S. Lange, C. P. Lansdell, B. Lasiuk, F. Laue, A. Lebedev, M. J. LeVine, Q. Li, S. J. Lindenbaum, M. A. Lisa, F. Liu, L. Liu, Z. Liu, Q. J. Liu, T. Ljubicic, W. J. Llope, G. LoCurto, H. Long, R. S. Longacre, M. Lopez-Noriega, W. A. Love, T. Ludlam, D. Lynn, J. Ma, R. MaJka, S. Margetis, C. Markert, L. Martin, J. Marx, H. S. Matis, Y. A. Matulenko, T. S. McShane, F. Meissner, Y. Melnick, A. Meschanin, M. Messer, M. L. Miller, Z. Milosevich, N. G. Minaev, J. Mitchell, V. A. Moiseenko, C. F. Moore, V. Morozov, M. M. de Moura, M. G. Munhoz, J. M. Nelson, P. Nevski, V. A. Nikitin, L. V. Nogach, B. Norman, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, M. Oldenburg, D. Olson, G. Paic, S. U. Pandey, Y. Panebratsev, S. Y. Panitkin, A. I. Pavlinov, T. Pawlak, V. Perevoztchikov, W. Peryt, V. A. Petrov, M. Planinic, J. Pluta, N. Porile, J. Porter, A. M. Poskanzer, E. Potrebenikova, D. Prindle, C. Pruneau, J. Putschke, G. Rai, G. Rakness, O. Ravel, R. L. Ray, S. V. Razin, D. Reichhold, J. G. Reid, F. Retiere, A. Ridiger, H. G. Ritter, J. B. Roberts, O. V. Rogachevski, J. L. Romero, A. Rose, C. Roy, V. Rykov, I. Sakrejda, S. Salur, J. Sandweiss, A. C. Saulys, I. Savin, J. Schambach, R. P. Scharenberg, N. Schmitz, L. S. Schroeder, A. Schüttauf, K. Schweda, J. Seger, D. Seliverstov, P. Seyboth, E. Shahaliev, K. E. Shestermanov, S. S. Shimanskii, V. S. Shvetcov, G. Skoro, N. Smirnov, R. Snellings, P. Sorensen, J. Sowinski, H. M. Spinka, B. Srivastava, E. J. Stephenson, R. Stock, A. Stolpovsky, M. Strikhanov, B. Stringfellow, C. Struck, A. A.P. Suaide, E. Sugarbaker, C. Suire, M. Šumbera, B. Surrow, T. J.M. Symons, A. Szanto de Toledo, P. Szarwas, A. Tai, J. Takahashi, A. H. Tang, J. H. Thomas, M. Thompson, V. Tikhomirov, M. Tokarev, M. B. Tonjes, T. A. Trainor, S. Trentalange, R. E. Tribble, V. Trofimov, O. Tsai, T. Ullrich, D. G. Underwood, G. van Buren, A. M. VanderMolen, I. M. Vasilevski, A. N. Vasiliev, S. E. Vigdor, S. A. Voloshin, F. Wang, H. Ward, J. W. Watson, R. Wells, G. D. Westfall, C. J. Whitten, H. Wieman, R. Willson, S. W. Wissink, R. Witt, J. Wood, N. Xu, Z. Xu, A. E. Yakutin, E. Yamamoto, J. Yang, P. Yepes, V. I. Yurevich, Y. V. Zanevski, I. Zborovský, H. Zhang, W. M. Zhang, R. Zoulkarneev, A. N. Zubarev
  • Goethe University Frankfurt
  • Purdue University
  • Indiana University Bloomington
  • Kent State University
  • University of California at Davis
  • Joint Institute for Nuclear Research
  • Institut de Recherches Subatomiques
  • Ohio State University
  • Wayne State University
  • University of Washington
  • Brookhaven National Laboratory
  • University of Birmingham
  • Rice University
  • SUBATECH
  • Moscow Engineering Physics Institute
  • Argonne National Laboratory
  • Lawrence Berkeley National Laboratory
  • University of California at Los Angeles
  • Creighton University
  • Yale University
  • University of Texas at Austin
  • University of California at Berkeley
  • Institute for High Energy Physics
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • Central China Normal University
  • Texas A&M University
  • Pennsylvania State University
  • Warsaw University of Technology
  • Carnegie Mellon University
  • City University of New York
  • Universidade de São Paulo
  • Michigan State University

Research output: Contribution to journalArticlepeer-review

71 Scopus citations

Abstract

Mid-rapidity transverse mass spectra and multiplicity densities of charged and neutral kaons are reported for Au+Au collisions at sNN=130 GeV at RHIC. The spectra are exponential in transverse mass, with an inverse slope of about 280 MeV in central collisions. The multiplicity densities for these particles scale with the negative hadron pseudo-rapidity density. The charged kaon to pion ratios are K+-=0.161±0.002(stat) ±0.024(syst) and K--=0.146±0.002(stat) ±0.022(syst) for the most central collisions. The K+/ π- ratio is lower than the same ratio observed at the SPS while the K-- is higher than the SPS result. The ratios are enhanced by about 50% relative to p+p and p̄+p collision data at similar energies.

Original languageEnglish
Pages (from-to)143-150
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume595
Issue number1-4
DOIs
StatePublished - Aug 12 2004

Keywords

  • 25.75.-q
  • 25.75.Dw

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