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Pregled bibliografske jedinice broj: 396363

Energy dependence of particle ratio fluctuations in central Pb+Pb collisions from sqrt(sNN)=6.3 to 17.3 GeV

Alt, C.; Antičić, Tome; Baatar, B.; Barna, D.; Bartke, J.; Betev, L.; Bialkowska, H.; Blume, C.; Boimska, B.; Botje, M. et al.
Energy dependence of particle ratio fluctuations in central Pb+Pb collisions from sqrt(sNN)=6.3 to 17.3 GeV // Physical Review C, 79 (2009), 4; 044910-1 doi:10.1103/PhysRevC.79.044910 (međunarodna recenzija, članak, znanstveni)

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Naslov
Energy dependence of particle ratio fluctuations in central Pb+Pb collisions from sqrt(sNN)=6.3 to 17.3 GeV

Autori
Alt, C. ; Antičić, Tome ; Baatar, B. ; Barna, D. ; Bartke, J. ; Betev, L. ; Bialkowska, H. ; Blume, C. ; Boimska, B. ; Botje, M. ; Bracinik, J. ; Bramm, R. ; Bunčić, Predrag ; Cerny, V. ; Christakoglou, P. ; Chvala, O. ; Cramer, J. G. ; Csato, P. ; Dinkelaker, P. ; Eckardt, V. ; Flierl, D. ; Fodor, Z. ; Foka, P. ; Friese, V. ; Gal, J. ; Gazdzicki, M. ; Genchev, V. ; Georgopoulos, G. ; Gladysz, E. ; Grebieszkow, K. ; Hegyi, S. ; Hohne, C. ; Kadija, Krešo ; Karev, A. ; Kliemant, M. ; Kniege, S. ; Kolesnikov, V. I. ; Kornas, E. ; Korus, R. ; Kowalski, M. ; Kraus, I. ; Kreps, M. ; Kresan, D. ; van Leeuwen, M. ; Levai, P. ; Litov, L. ; Lungwitz, B. ; Makariev, M. ; Malakhov, A. I. ; Mateev, M. ; Melkumov, G. L. ; Mischke, A. ; Mitrovski, M. ; Molnar, J. ; Mrowczynski, S. ; Nikolić, Vedran ; Palla, G. ; Panagiotou, A. D. ; Panayotov, D. ; Petridis, A. ; Pikna, M. ; Prindle, D. ; Puhlhofer, F. ; Renfordt, R. ; Roland, C. ; Roland, G. ; Rybczynski, M. ; Rybicki, A. ; Sandoval, A. ; Schmitz, N. ; Schuster, T. ; Seyboth, P. ; Sikler, F. ; Sitar, B. ; Skrzypczak, E. ; Stefanek, G. ; Stock, R. ; Strobele, H. ; Šuša, Tatjana ; Szentpetery, I. ; Sziklai, J. ; Szymanski, P. ; Trubnikov, V. ; Varga, D. ; Vassiliou, M. ; Veres, G. I. ; Vesztergombi, G. ; Vranić, Danilo ; Wetzler, A. ; Wlodarczyk, Z. ; Yoo, I. K.

Izvornik
Physical Review C (0556-2813) 79 (2009), 4; 044910-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
NA49; SPS; fluctuation; particle ratio; energy dependence
(NA49; SPS; fluctuation; particle ratio; energy dependenc)

Sažetak
We present measurements of the energy dependence of event-by-event fluctuations in the K/pi and (p+ anti-p)/pi multiplicity ratios in heavy-ion collisions at the CERN SPS. The particle ratio fluctuations were obtained for central Pb+Pb collisions at five collision energies, sqrt(sNN), between 6.3 and 17.3 GeV. After accounting for the effects of finite-number statistics and detector resolution, we extract the strength of nonstatistical fluctuations at each energy. For the K/pi ratio, larger fluctuations than expected for independent particle production are found at all collision energies. The fluctuations in the (p+anti-p)/pi ratio are smaller than expectations from independent particle production, indicating correlated pion and proton production from resonance decays. For both ratios, the deviation from purely statistical fluctuations shows an increase toward lower collision energies. The results are compared to transport model calculations, which fail to describe the energy dependence of the K/pi ratio fluctuations.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Projekti:
098-0982887-2878 - Eksperimentalna fizika na LHC energijama (Kadija, Krešo, MZOS ) ( CroRIS)

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Tome Antičić (autor)

Avatar Url Vedran Nikolić (autor)

Avatar Url Predrag Bunčić (autor)

Avatar Url Krešo Kadija (autor)

Avatar Url Danilo Vranić (autor)

Avatar Url Damir Gal (autor)

Avatar Url Tatjana Šuša (autor)

Poveznice na cjeloviti tekst rada:

doi fulir.irb.hr

Citiraj ovu publikaciju:

Alt, C.; Antičić, Tome; Baatar, B.; Barna, D.; Bartke, J.; Betev, L.; Bialkowska, H.; Blume, C.; Boimska, B.; Botje, M. et al.
Energy dependence of particle ratio fluctuations in central Pb+Pb collisions from sqrt(sNN)=6.3 to 17.3 GeV // Physical Review C, 79 (2009), 4; 044910-1 doi:10.1103/PhysRevC.79.044910 (međunarodna recenzija, članak, znanstveni)
Alt, C., Antičić, T., Baatar, B., Barna, D., Bartke, J., Betev, L., Bialkowska, H., Blume, C., Boimska, B. & Botje, M. (2009) Energy dependence of particle ratio fluctuations in central Pb+Pb collisions from sqrt(sNN)=6.3 to 17.3 GeV. Physical Review C, 79 (4), 044910-1 doi:10.1103/PhysRevC.79.044910.
@article{article, author = {Alt, C. and Anti\v{c}i\'{c}, Tome and Baatar, B. and Barna, D. and Bartke, J. and Betev, L. and Bialkowska, H. and Blume, C. and Boimska, B. and Botje, M. and Bracinik, J. and Bramm, R. and Bun\v{c}i\'{c}, Predrag and Cerny, V. and Christakoglou, P. and Chvala, O. and Cramer, J. G. and Csato, P. and Dinkelaker, P. and Eckardt, V. and Flierl, D. and Fodor, Z. and Foka, P. and Friese, V. and Gal, J. and Gazdzicki, M. and Genchev, V. and Georgopoulos, G. and Gladysz, E. and Grebieszkow, K. and Hegyi, S. and Hohne, C. and Kadija, Kre\v{s}o and Karev, A. and Kliemant, M. and Kniege, S. and Kolesnikov, V. I. and Kornas, E. and Korus, R. and Kowalski, M. and Kraus, I. and Kreps, M. and Kresan, D. and van Leeuwen, M. and Levai, P. and Litov, L. and Lungwitz, B. and Makariev, M. and Malakhov, A. I. and Mateev, M. and Melkumov, G. L. and Mischke, A. and Mitrovski, M. and Molnar, J. and Mrowczynski, S. and Nikoli\'{c}, Vedran and Palla, G. and Panagiotou, A. D. and Panayotov, D. and Petridis, A. and Pikna, M. and Prindle, D. and Puhlhofer, F. and Renfordt, R. and Roland, C. and Roland, G. and Rybczynski, M. and Rybicki, A. and Sandoval, A. and Schmitz, N. and Schuster, T. and Seyboth, P. and Sikler, F. and Sitar, B. and Skrzypczak, E. and Stefanek, G. and Stock, R. and Strobele, H. and \v{S}u\v{s}a, Tatjana and Szentpetery, I. and Sziklai, J. and Szymanski, P. and Trubnikov, V. and Varga, D. and Vassiliou, M. and Veres, G. I. and Vesztergombi, G. and Vrani\'{c}, Danilo and Wetzler, A. and Wlodarczyk, Z. and Yoo, I. K.}, year = {2009}, pages = {044910-1-044910-11}, DOI = {10.1103/PhysRevC.79.044910}, keywords = {NA49, SPS, fluctuation, particle ratio, energy dependence}, journal = {Physical Review C}, doi = {10.1103/PhysRevC.79.044910}, volume = {79}, number = {4}, issn = {0556-2813}, title = {Energy dependence of particle ratio fluctuations in central Pb+Pb collisions from sqrt(sNN)=6.3 to 17.3 GeV}, keyword = {NA49, SPS, fluctuation, particle ratio, energy dependence} }
@article{article, author = {Alt, C. and Anti\v{c}i\'{c}, Tome and Baatar, B. and Barna, D. and Bartke, J. and Betev, L. and Bialkowska, H. and Blume, C. and Boimska, B. and Botje, M. and Bracinik, J. and Bramm, R. and Bun\v{c}i\'{c}, Predrag and Cerny, V. and Christakoglou, P. and Chvala, O. and Cramer, J. G. and Csato, P. and Dinkelaker, P. and Eckardt, V. and Flierl, D. and Fodor, Z. and Foka, P. and Friese, V. and Gal, J. and Gazdzicki, M. and Genchev, V. and Georgopoulos, G. and Gladysz, E. and Grebieszkow, K. and Hegyi, S. and Hohne, C. and Kadija, Kre\v{s}o and Karev, A. and Kliemant, M. and Kniege, S. and Kolesnikov, V. I. and Kornas, E. and Korus, R. and Kowalski, M. and Kraus, I. and Kreps, M. and Kresan, D. and van Leeuwen, M. and Levai, P. and Litov, L. and Lungwitz, B. and Makariev, M. and Malakhov, A. I. and Mateev, M. and Melkumov, G. L. and Mischke, A. and Mitrovski, M. and Molnar, J. and Mrowczynski, S. and Nikoli\'{c}, Vedran and Palla, G. and Panagiotou, A. D. and Panayotov, D. and Petridis, A. and Pikna, M. and Prindle, D. and Puhlhofer, F. and Renfordt, R. and Roland, C. and Roland, G. and Rybczynski, M. and Rybicki, A. and Sandoval, A. and Schmitz, N. and Schuster, T. and Seyboth, P. and Sikler, F. and Sitar, B. and Skrzypczak, E. and Stefanek, G. and Stock, R. and Strobele, H. and \v{S}u\v{s}a, Tatjana and Szentpetery, I. and Sziklai, J. and Szymanski, P. and Trubnikov, V. and Varga, D. and Vassiliou, M. and Veres, G. I. and Vesztergombi, G. and Vrani\'{c}, Danilo and Wetzler, A. and Wlodarczyk, Z. and Yoo, I. K.}, year = {2009}, pages = {044910-1-044910-11}, DOI = {10.1103/PhysRevC.79.044910}, keywords = {NA49, SPS, fluctuation, particle ratio, energy dependenc}, journal = {Physical Review C}, doi = {10.1103/PhysRevC.79.044910}, volume = {79}, number = {4}, issn = {0556-2813}, title = {Energy dependence of particle ratio fluctuations in central Pb+Pb collisions from sqrt(sNN)=6.3 to 17.3 GeV}, keyword = {NA49, SPS, fluctuation, particle ratio, energy dependenc} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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