Rapidity dependent strangeness measurements in BRAHMS experiment at RHIC

J. H. Lee; I. G. Bearden; D. Beavis; C. Besliu; B. Budick; H. Bøggild; C. Chasman; C. H. Christensen; P. Christiansen; J. Cibor; R. Debbe; E. Enger; J. J. Gaardhøje; M. Germinario; K. Hagel; O. Hansen; A. Holm; H. Ito; E. Jakobsen; A. Jipa; F. Jundt; J. I. Jørdre; C. E. Jørgensen; R. Karabowicz; E. J. Kim; T. Kozik; T. M. Larsen; J. H. Lee; Y. K. Lee; G. Løvhøiden; Z. Majka; A. Makeev; M. Mikelsen; M. Murray; J. Natowitz; B. S. Nielsen; J. Norris; K. Olchanski; J. Olness; D. Ouerdane; R. Płeneta; F. Rami; C. Ristea; D. Röhrich; B. H. Samset; D. Sandberg; S. J. Sanders; P. Staszel; T. S. Tveter; F. Videbæk; R. Wada; A. Wieloch; Z. Yin; I. S. Zgura

doi:10.1088/0954-3899/30/1/007

Rapidity dependent strangeness measurements in BRAHMS experiment at RHIC

J. H. Lee, I. G. Bearden, D. Beavis, C. Besliu, B. Budick, H. Bøggild, C. Chasman, C. H. Christensen, P. Christiansen, J. Cibor, R. Debbe, E. Enger, J. J. Gaardhøje, M. Germinario, K. Hagel, O. Hansen, A. Holm, H. Ito, E. Jakobsen, A. JipaF. Jundt, J. I. Jørdre, C. E. Jørgensen, R. Karabowicz, E. J. Kim, T. Kozik, T. M. Larsen, J. H. Lee, Y. K. Lee, G. Løvhøiden, Z. Majka, A. Makeev, M. Mikelsen, M. Murray, J. Natowitz, B. S. Nielsen, J. Norris, K. Olchanski, J. Olness, D. Ouerdane, R. Płeneta, F. Rami, C. Ristea, D. Röhrich, B. H. Samset, D. Sandberg, S. J. Sanders, P. Staszel, T. S. Tveter, F. Videbæk, R. Wada, A. Wieloch, Z. Yin, I. S. Zgura

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Abstract

Particle production of charged kaons in central Au+Au collisions at √S_NN = 200 GeV has been studied as a function of rapidity by the BRAHMS collaboration at RHIC. The kaon spectral shapes are described well by an exponential in transverse mass for the rapidity range of 0 ≤ y _K ≤ 3.3 with smoothly decreasing inverse slopes as the rapidity increases. For the charged kaon to pion ratios, while there is no significant rapidity dependence for the K⁺/π⁺ ratio, the K ^-/π^- ratio shows a significant decrease from y ≈ 1 towards higher rapidities. The systematics of K^-/K⁺ and p̄/p ratios in the measured rapidity range demonstrates a strongly correlated behaviour which can be described by thermal-statistical models.

Original language	English (US)
Pages (from-to)	S85-S92
Journal	Journal of Physics G: Nuclear and Particle Physics
Volume	30
Issue number	1
DOIs	https://doi.org/10.1088/0954-3899/30/1/007
State	Published - Jan 2004

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Lee, J. H., Bearden, I. G., Beavis, D., Besliu, C., Budick, B., Bøggild, H., Chasman, C., Christensen, C. H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhøje, J. J., Germinario, M., Hagel, K., Hansen, O., Holm, A., Ito, H., Jakobsen, E., ... Zgura, I. S. (2004). Rapidity dependent strangeness measurements in BRAHMS experiment at RHIC. Journal of Physics G: Nuclear and Particle Physics, 30(1), S85-S92. https://doi.org/10.1088/0954-3899/30/1/007

Lee, JH, Bearden, IG, Beavis, D, Besliu, C, Budick, B, Bøggild, H, Chasman, C, Christensen, CH, Christiansen, P, Cibor, J, Debbe, R, Enger, E, Gaardhøje, JJ, Germinario, M, Hagel, K, Hansen, O, Holm, A, Ito, H, Jakobsen, E, Jipa, A, Jundt, F, Jørdre, JI, Jørgensen, CE, Karabowicz, R, Kim, EJ, Kozik, T, Larsen, TM, Lee, JH, Lee, YK, Løvhøiden, G, Majka, Z, Makeev, A, Mikelsen, M, Murray, M, Natowitz, J, Nielsen, BS, Norris, J, Olchanski, K, Olness, J, Ouerdane, D, Płeneta, R, Rami, F, Ristea, C, Röhrich, D, Samset, BH, Sandberg, D, Sanders, SJ, Staszel, P, Tveter, TS, Videbæk, F, Wada, R, Wieloch, A, Yin, Z & Zgura, IS 2004, 'Rapidity dependent strangeness measurements in BRAHMS experiment at RHIC', Journal of Physics G: Nuclear and Particle Physics, vol. 30, no. 1, pp. S85-S92. https://doi.org/10.1088/0954-3899/30/1/007

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title = "Rapidity dependent strangeness measurements in BRAHMS experiment at RHIC",

abstract = "Particle production of charged kaons in central Au+Au collisions at √SNN = 200 GeV has been studied as a function of rapidity by the BRAHMS collaboration at RHIC. The kaon spectral shapes are described well by an exponential in transverse mass for the rapidity range of 0 ≤ y K ≤ 3.3 with smoothly decreasing inverse slopes as the rapidity increases. For the charged kaon to pion ratios, while there is no significant rapidity dependence for the K+/π+ ratio, the K -/π- ratio shows a significant decrease from y ≈ 1 towards higher rapidities. The systematics of K-/K+ and {\=p}/p ratios in the measured rapidity range demonstrates a strongly correlated behaviour which can be described by thermal-statistical models.",

author = "Lee, {J. H.} and Bearden, {I. G.} and D. Beavis and C. Besliu and B. Budick and H. B{\o}ggild and C. Chasman and Christensen, {C. H.} and P. Christiansen and J. Cibor and R. Debbe and E. Enger and Gaardh{\o}je, {J. J.} and M. Germinario and K. Hagel and O. Hansen and A. Holm and H. Ito and E. Jakobsen and A. Jipa and F. Jundt and J{\o}rdre, {J. I.} and J{\o}rgensen, {C. E.} and R. Karabowicz and Kim, {E. J.} and T. Kozik and Larsen, {T. M.} and Lee, {J. H.} and Lee, {Y. K.} and G. L{\o}vh{\o}iden and Z. Majka and A. Makeev and M. Mikelsen and M. Murray and J. Natowitz and Nielsen, {B. S.} and J. Norris and K. Olchanski and J. Olness and D. Ouerdane and R. P{\l}eneta and F. Rami and C. Ristea and D. R{\"o}hrich and Samset, {B. H.} and D. Sandberg and Sanders, {S. J.} and P. Staszel and Tveter, {T. S.} and F. Videb{\ae}k and R. Wada and A. Wieloch and Z. Yin and Zgura, {I. S.}",

year = "2004",

month = jan,

doi = "10.1088/0954-3899/30/1/007",

language = "English (US)",

volume = "30",

pages = "S85--S92",

journal = "Journal of Physics G: Nuclear and Particle Physics",

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TY - JOUR

T1 - Rapidity dependent strangeness measurements in BRAHMS experiment at RHIC

AU - Lee, J. H.

AU - Bearden, I. G.

AU - Beavis, D.

AU - Besliu, C.

AU - Budick, B.

AU - Bøggild, H.

AU - Chasman, C.

AU - Christensen, C. H.

AU - Christiansen, P.

AU - Cibor, J.

AU - Debbe, R.

AU - Enger, E.

AU - Gaardhøje, J. J.

AU - Germinario, M.

AU - Hagel, K.

AU - Hansen, O.

AU - Holm, A.

AU - Ito, H.

AU - Jakobsen, E.

AU - Jipa, A.

AU - Jundt, F.

AU - Jørdre, J. I.

AU - Jørgensen, C. E.

AU - Karabowicz, R.

AU - Kim, E. J.

AU - Kozik, T.

AU - Larsen, T. M.

AU - Lee, J. H.

AU - Lee, Y. K.

AU - Løvhøiden, G.

AU - Majka, Z.

AU - Makeev, A.

AU - Mikelsen, M.

AU - Murray, M.

AU - Natowitz, J.

AU - Nielsen, B. S.

AU - Norris, J.

AU - Olchanski, K.

AU - Olness, J.

AU - Ouerdane, D.

AU - Płeneta, R.

AU - Rami, F.

AU - Ristea, C.

AU - Röhrich, D.

AU - Samset, B. H.

AU - Sandberg, D.

AU - Sanders, S. J.

AU - Staszel, P.

AU - Tveter, T. S.

AU - Videbæk, F.

AU - Wada, R.

AU - Wieloch, A.

AU - Yin, Z.

AU - Zgura, I. S.

PY - 2004/1

Y1 - 2004/1

N2 - Particle production of charged kaons in central Au+Au collisions at √SNN = 200 GeV has been studied as a function of rapidity by the BRAHMS collaboration at RHIC. The kaon spectral shapes are described well by an exponential in transverse mass for the rapidity range of 0 ≤ y K ≤ 3.3 with smoothly decreasing inverse slopes as the rapidity increases. For the charged kaon to pion ratios, while there is no significant rapidity dependence for the K+/π+ ratio, the K -/π- ratio shows a significant decrease from y ≈ 1 towards higher rapidities. The systematics of K-/K+ and p̄/p ratios in the measured rapidity range demonstrates a strongly correlated behaviour which can be described by thermal-statistical models.

AB - Particle production of charged kaons in central Au+Au collisions at √SNN = 200 GeV has been studied as a function of rapidity by the BRAHMS collaboration at RHIC. The kaon spectral shapes are described well by an exponential in transverse mass for the rapidity range of 0 ≤ y K ≤ 3.3 with smoothly decreasing inverse slopes as the rapidity increases. For the charged kaon to pion ratios, while there is no significant rapidity dependence for the K+/π+ ratio, the K -/π- ratio shows a significant decrease from y ≈ 1 towards higher rapidities. The systematics of K-/K+ and p̄/p ratios in the measured rapidity range demonstrates a strongly correlated behaviour which can be described by thermal-statistical models.

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U2 - 10.1088/0954-3899/30/1/007

DO - 10.1088/0954-3899/30/1/007

M3 - Article

AN - SCOPUS:0346400069

SN - 0954-3899

VL - 30

SP - S85-S92

JO - Journal of Physics G: Nuclear and Particle Physics

JF - Journal of Physics G: Nuclear and Particle Physics

IS - 1

ER -

Rapidity dependent strangeness measurements in BRAHMS experiment at RHIC

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