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Event-by-Event Fluctuations of Particle Ratios in Central Pb+Pb Collisions at 20 to 158 AGeV
In the vicinity of the QCD phase transition, critical fluctuations have been predicted to lead to non-statistical fluctuations of particle ratios, depending on the nature of the phase transition. Recent results of the NA49 energy scan program show a sharp maximum of the ratio of $K^{+}$ to $\pi^{+}$...
| Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2004
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1088/0954-3899/30/8/132 http://cds.cern.ch/record/724876 |
| _version_ | 1780903677595222016 |
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| author | Roland, C Alt, C Anticic, T Baatar, B Barna, D Bartke, Jerzy Betev, L Bialkowska, H Billmeier, A Blume, C Boimska, B Botje, M Bracinik, J Bramm, R Brun, R Buncic, P Cerny, V Christakoglou, P Chvala, O Cramer, J G Csató, P Darmenov, N Dimitrov, A Dinkelaker, P Eckardt, V Farantatos, G Flierl, D Fodor, Z Foka, P Y Freund, P Friese, V Gál, J Gazdzicki, M Georgopoulos, G Gladysz-Dziadus, E Grebieszkow, K Hegyi, S Höhne, C Kadija, K Karev, A Kliemant, M Kniege, S Kolesnikov, V I Kollegger, T Kornas, E Korus, R Kowalski, M Kraus, I Kreps, M Van Leeuwen, M Lévai, Peter Litov, L Lungwitz, B Makariev, M Malakhov, A I Markert, C Mateev, M Mayes, B W Melkumov, G L Meurer, C Mischke, A Mitrovski, M Molnár, J Mrówczynski, S Pálla, G Panagiotou, A D Panayotov, D Petridis, A Pikna, M Pinsky, L Pühlhofer, F Reid, J G Renfordt, R E Roland, G Richard, A Rybczynski, M Rybicki, A Sandoval, A Sann, H Schmitz, N Seyboth, P Siklér, F Sitár, B Skrzypczak, E Stefanek, G Stock, R Ströbele, H Susa, T Szentpétery, I Sziklai, J Trainor, T A Varga, D Vassiliou, Maria Veres, G I Vesztergombi, G Vranic, D Wetzler, A Wlodarczyk, Z Yoo, I K Zaranek, J Zimányi, J |
| author_facet | Roland, C Alt, C Anticic, T Baatar, B Barna, D Bartke, Jerzy Betev, L Bialkowska, H Billmeier, A Blume, C Boimska, B Botje, M Bracinik, J Bramm, R Brun, R Buncic, P Cerny, V Christakoglou, P Chvala, O Cramer, J G Csató, P Darmenov, N Dimitrov, A Dinkelaker, P Eckardt, V Farantatos, G Flierl, D Fodor, Z Foka, P Y Freund, P Friese, V Gál, J Gazdzicki, M Georgopoulos, G Gladysz-Dziadus, E Grebieszkow, K Hegyi, S Höhne, C Kadija, K Karev, A Kliemant, M Kniege, S Kolesnikov, V I Kollegger, T Kornas, E Korus, R Kowalski, M Kraus, I Kreps, M Van Leeuwen, M Lévai, Peter Litov, L Lungwitz, B Makariev, M Malakhov, A I Markert, C Mateev, M Mayes, B W Melkumov, G L Meurer, C Mischke, A Mitrovski, M Molnár, J Mrówczynski, S Pálla, G Panagiotou, A D Panayotov, D Petridis, A Pikna, M Pinsky, L Pühlhofer, F Reid, J G Renfordt, R E Roland, G Richard, A Rybczynski, M Rybicki, A Sandoval, A Sann, H Schmitz, N Seyboth, P Siklér, F Sitár, B Skrzypczak, E Stefanek, G Stock, R Ströbele, H Susa, T Szentpétery, I Sziklai, J Trainor, T A Varga, D Vassiliou, Maria Veres, G I Vesztergombi, G Vranic, D Wetzler, A Wlodarczyk, Z Yoo, I K Zaranek, J Zimányi, J |
| author_sort | Roland, C |
| collection | CERN |
| description | In the vicinity of the QCD phase transition, critical fluctuations have been predicted to lead to non-statistical fluctuations of particle ratios, depending on the nature of the phase transition. Recent results of the NA49 energy scan program show a sharp maximum of the ratio of $K^{+}$ to $\pi^{+}$ yields in central Pb+Pb collisions at beam energies of 20-30 AGeV. This observation has been interpreted as an indication of a phase transition at low SPS energies. We present first results on event-by-event fluctuations of the kaon to pion and proton to pion ratios at beam energies close to this maximum. |
| id | cern-724876 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2004 |
| record_format | invenio |
| spelling | cern-7248762019-09-30T06:29:59Zdoi:10.1088/0954-3899/30/8/132http://cds.cern.ch/record/724876engRoland, CAlt, CAnticic, TBaatar, BBarna, DBartke, JerzyBetev, LBialkowska, HBillmeier, ABlume, CBoimska, BBotje, MBracinik, JBramm, RBrun, RBuncic, PCerny, VChristakoglou, PChvala, OCramer, J GCsató, PDarmenov, NDimitrov, ADinkelaker, PEckardt, VFarantatos, GFlierl, DFodor, ZFoka, P YFreund, PFriese, VGál, JGazdzicki, MGeorgopoulos, GGladysz-Dziadus, EGrebieszkow, KHegyi, SHöhne, CKadija, KKarev, AKliemant, MKniege, SKolesnikov, V IKollegger, TKornas, EKorus, RKowalski, MKraus, IKreps, MVan Leeuwen, MLévai, PeterLitov, LLungwitz, BMakariev, MMalakhov, A IMarkert, CMateev, MMayes, B WMelkumov, G LMeurer, CMischke, AMitrovski, MMolnár, JMrówczynski, SPálla, GPanagiotou, A DPanayotov, DPetridis, APikna, MPinsky, LPühlhofer, FReid, J GRenfordt, R ERoland, GRichard, ARybczynski, MRybicki, ASandoval, ASann, HSchmitz, NSeyboth, PSiklér, FSitár, BSkrzypczak, EStefanek, GStock, RStröbele, HSusa, TSzentpétery, ISziklai, JTrainor, T AVarga, DVassiliou, MariaVeres, G IVesztergombi, GVranic, DWetzler, AWlodarczyk, ZYoo, I KZaranek, JZimányi, JEvent-by-Event Fluctuations of Particle Ratios in Central Pb+Pb Collisions at 20 to 158 AGeVNuclear PhysicsIn the vicinity of the QCD phase transition, critical fluctuations have been predicted to lead to non-statistical fluctuations of particle ratios, depending on the nature of the phase transition. Recent results of the NA49 energy scan program show a sharp maximum of the ratio of $K^{+}$ to $\pi^{+}$ yields in central Pb+Pb collisions at beam energies of 20-30 AGeV. This observation has been interpreted as an indication of a phase transition at low SPS energies. We present first results on event-by-event fluctuations of the kaon to pion and proton to pion ratios at beam energies close to this maximum.nucl-ex/0403035oai:cds.cern.ch:7248762004 |
| spellingShingle | Nuclear Physics Roland, C Alt, C Anticic, T Baatar, B Barna, D Bartke, Jerzy Betev, L Bialkowska, H Billmeier, A Blume, C Boimska, B Botje, M Bracinik, J Bramm, R Brun, R Buncic, P Cerny, V Christakoglou, P Chvala, O Cramer, J G Csató, P Darmenov, N Dimitrov, A Dinkelaker, P Eckardt, V Farantatos, G Flierl, D Fodor, Z Foka, P Y Freund, P Friese, V Gál, J Gazdzicki, M Georgopoulos, G Gladysz-Dziadus, E Grebieszkow, K Hegyi, S Höhne, C Kadija, K Karev, A Kliemant, M Kniege, S Kolesnikov, V I Kollegger, T Kornas, E Korus, R Kowalski, M Kraus, I Kreps, M Van Leeuwen, M Lévai, Peter Litov, L Lungwitz, B Makariev, M Malakhov, A I Markert, C Mateev, M Mayes, B W Melkumov, G L Meurer, C Mischke, A Mitrovski, M Molnár, J Mrówczynski, S Pálla, G Panagiotou, A D Panayotov, D Petridis, A Pikna, M Pinsky, L Pühlhofer, F Reid, J G Renfordt, R E Roland, G Richard, A Rybczynski, M Rybicki, A Sandoval, A Sann, H Schmitz, N Seyboth, P Siklér, F Sitár, B Skrzypczak, E Stefanek, G Stock, R Ströbele, H Susa, T Szentpétery, I Sziklai, J Trainor, T A Varga, D Vassiliou, Maria Veres, G I Vesztergombi, G Vranic, D Wetzler, A Wlodarczyk, Z Yoo, I K Zaranek, J Zimányi, J Event-by-Event Fluctuations of Particle Ratios in Central Pb+Pb Collisions at 20 to 158 AGeV |
| title | Event-by-Event Fluctuations of Particle Ratios in Central Pb+Pb Collisions at 20 to 158 AGeV |
| title_full | Event-by-Event Fluctuations of Particle Ratios in Central Pb+Pb Collisions at 20 to 158 AGeV |
| title_fullStr | Event-by-Event Fluctuations of Particle Ratios in Central Pb+Pb Collisions at 20 to 158 AGeV |
| title_full_unstemmed | Event-by-Event Fluctuations of Particle Ratios in Central Pb+Pb Collisions at 20 to 158 AGeV |
| title_short | Event-by-Event Fluctuations of Particle Ratios in Central Pb+Pb Collisions at 20 to 158 AGeV |
| title_sort | event-by-event fluctuations of particle ratios in central pb+pb collisions at 20 to 158 agev |
| topic | Nuclear Physics |
| url | https://dx.doi.org/10.1088/0954-3899/30/8/132 http://cds.cern.ch/record/724876 |
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