Nuclear stopping and rapidity loss in Au + Au collisions at sqrt(sN N) = 62.4 GeV

I. C. Arsene; I. G. Bearden; D. Beavis; S. Bekele; C. Besliu; B. Budick; H. Bøggild; C. Chasman; C. H. Christensen; P. Christiansen; H. H. Dalsgaard; R. Debbe; J. J. Gaardhøje; K. Hagel; H. Ito; A. Jipa; E. B. Johnson; C. E. Jørgensen; R. Karabowicz; N. Katrynska; E. J. Kim; T. M. Larsen; J. H. Lee; G. Løvhøiden; Z. Majka; M. J. Murray; J. Natowitz; B. S. Nielsen; C. Nygaard; D. Pal; A. Qviller; F. Rami; C. Ristea; O. Ristea; D. Röhrich; S. J. Sanders; P. Staszel; T. S. Tveter; F. Videbæk; R. Wada; H. Yang; Z. Yin; I. S. Zgura

doi:10.1016/j.physletb.2009.05.049

Nuclear stopping and rapidity loss in Au + Au collisions at sqrt(s_{N N}) = 62.4 GeV

I. C. Arsene, I. G. Bearden, D. Beavis, S. Bekele, C. Besliu, B. Budick, H. Bøggild, C. Chasman, C. H. Christensen, P. Christiansen, H. H. Dalsgaard, R. Debbe, J. J. Gaardhøje, K. Hagel, H. Ito, A. Jipa, E. B. Johnson, C. E. Jørgensen, R. Karabowicz, N. KatrynskaE. J. Kim, T. M. Larsen, J. H. Lee, G. Løvhøiden, Z. Majka, M. J. Murray, J. Natowitz, B. S. Nielsen, C. Nygaard, D. Pal, A. Qviller, F. Rami, C. Ristea, O. Ristea, D. Röhrich, S. J. Sanders, P. Staszel, T. S. Tveter, F. Videbæk, R. Wada, H. Yang, Z. Yin, I. S. Zgura

Research output: Contribution to journal › Article

Abstract

Transverse momentum spectra of protons and anti-protons measured in the rapidity range 0 < y < 3.1 from 0-10% central Au + Au collisions at sqrt(s_{N N}) = 62.4 GeV are presented. The rapidity densities, d N / d y, of protons, anti-protons and net-protons (N_p - N_{over(p, ̄)}) have been deduced from the spectra over a rapidity range wide enough to observe the expected maximum net-baryon density. From mid-rapidity to y = 1 the net-proton yield is roughly constant (d N / d y ∼ 10), but rises to d N / d y ∼ 25 at 2.3 < y < 3.1. The mean rapidity loss is 2.01 ± 0.14 ± 0.12 units from beam rapidity. The measured rapidity distributions are compared to model predictions. Systematics of net-baryon distributions and rapidity loss vs. collision energy are discussed.

Original language	English (US)
Pages (from-to)	267-271
Number of pages	5
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	677
Issue number	5
DOIs	https://doi.org/10.1016/j.physletb.2009.05.049
State	Published - Jun 29 2009

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Arsene, I. C., Bearden, I. G., Beavis, D., Bekele, S., Besliu, C., Budick, B., Bøggild, H., Chasman, C., Christensen, C. H., Christiansen, P., Dalsgaard, H. H., Debbe, R., Gaardhøje, J. J., Hagel, K., Ito, H., Jipa, A., Johnson, E. B., Jørgensen, C. E., Karabowicz, R., ... Zgura, I. S. (2009). Nuclear stopping and rapidity loss in Au + Au collisions at sqrt(s_{N N}) = 62.4 GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 677(5), 267-271. https://doi.org/10.1016/j.physletb.2009.05.049

Nuclear stopping and rapidity loss in Au + Au collisions at sqrt(s_{N N}) = 62.4 GeV. / Arsene, I. C.; Bearden, I. G.; Beavis, D.; Bekele, S.; Besliu, C.; Budick, B.; Bøggild, H.; Chasman, C.; Christensen, C. H.; Christiansen, P.; Dalsgaard, H. H.; Debbe, R.; Gaardhøje, J. J.; Hagel, K.; Ito, H.; Jipa, A.; Johnson, E. B.; Jørgensen, C. E.; Karabowicz, R.; Katrynska, N.; Kim, E. J.; Larsen, T. M.; Lee, J. H.; Løvhøiden, G.; Majka, Z.; Murray, M. J.; Natowitz, J.; Nielsen, B. S.; Nygaard, C.; Pal, D.; Qviller, A.; Rami, F.; Ristea, C.; Ristea, O.; Röhrich, D.; Sanders, S. J.; Staszel, P.; Tveter, T. S.; Videbæk, F.; Wada, R.; Yang, H.; Yin, Z.; Zgura, I. S.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 677, No. 5, 29.06.2009, p. 267-271.

Research output: Contribution to journal › Article

Arsene, IC, Bearden, IG, Beavis, D, Bekele, S, Besliu, C, Budick, B, Bøggild, H, Chasman, C, Christensen, CH, Christiansen, P, Dalsgaard, HH, Debbe, R, Gaardhøje, JJ, Hagel, K, Ito, H, Jipa, A, Johnson, EB, Jørgensen, CE, Karabowicz, R, Katrynska, N, Kim, EJ, Larsen, TM, Lee, JH, Løvhøiden, G, Majka, Z, Murray, MJ, Natowitz, J, Nielsen, BS, Nygaard, C, Pal, D, Qviller, A, Rami, F, Ristea, C, Ristea, O, Röhrich, D, Sanders, SJ, Staszel, P, Tveter, TS, Videbæk, F, Wada, R, Yang, H, Yin, Z & Zgura, IS 2009, 'Nuclear stopping and rapidity loss in Au + Au collisions at sqrt(s_{N N}) = 62.4 GeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 677, no. 5, pp. 267-271. https://doi.org/10.1016/j.physletb.2009.05.049

Arsene, I. C. ; Bearden, I. G. ; Beavis, D. ; Bekele, S. ; Besliu, C. ; Budick, B. ; Bøggild, H. ; Chasman, C. ; Christensen, C. H. ; Christiansen, P. ; Dalsgaard, H. H. ; Debbe, R. ; Gaardhøje, J. J. ; Hagel, K. ; Ito, H. ; Jipa, A. ; Johnson, E. B. ; Jørgensen, C. E. ; Karabowicz, R. ; Katrynska, N. ; Kim, E. J. ; Larsen, T. M. ; Lee, J. H. ; Løvhøiden, G. ; Majka, Z. ; Murray, M. J. ; Natowitz, J. ; Nielsen, B. S. ; Nygaard, C. ; Pal, D. ; Qviller, A. ; Rami, F. ; Ristea, C. ; Ristea, O. ; Röhrich, D. ; Sanders, S. J. ; Staszel, P. ; Tveter, T. S. ; Videbæk, F. ; Wada, R. ; Yang, H. ; Yin, Z. ; Zgura, I. S. / Nuclear stopping and rapidity loss in Au + Au collisions at sqrt(s_{N N}) = 62.4 GeV. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2009 ; Vol. 677, No. 5. pp. 267-271.

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title = "Nuclear stopping and rapidity loss in Au + Au collisions at sqrt(sN N) = 62.4 GeV",

abstract = "Transverse momentum spectra of protons and anti-protons measured in the rapidity range 0 < y < 3.1 from 0-10% central Au + Au collisions at sqrt(sN N) = 62.4 GeV are presented. The rapidity densities, d N / d y, of protons, anti-protons and net-protons (Np - Nover(p,{\= })) have been deduced from the spectra over a rapidity range wide enough to observe the expected maximum net-baryon density. From mid-rapidity to y = 1 the net-proton yield is roughly constant (d N / d y ∼ 10), but rises to d N / d y ∼ 25 at 2.3 < y < 3.1. The mean rapidity loss is 2.01 ± 0.14 ± 0.12 units from beam rapidity. The measured rapidity distributions are compared to model predictions. Systematics of net-baryon distributions and rapidity loss vs. collision energy are discussed.",

author = "Arsene, {I. C.} and Bearden, {I. G.} and D. Beavis and S. Bekele and C. Besliu and B. Budick and H. B{\o}ggild and C. Chasman and Christensen, {C. H.} and P. Christiansen and Dalsgaard, {H. H.} and R. Debbe and Gaardh{\o}je, {J. J.} and K. Hagel and H. Ito and A. Jipa and Johnson, {E. B.} and J{\o}rgensen, {C. E.} and R. Karabowicz and N. Katrynska and Kim, {E. J.} and Larsen, {T. M.} and Lee, {J. H.} and G. L{\o}vh{\o}iden and Z. Majka and Murray, {M. J.} and J. Natowitz and Nielsen, {B. S.} and C. Nygaard and D. Pal and A. Qviller and F. Rami and C. Ristea and O. Ristea and D. R{\"o}hrich and Sanders, {S. J.} and P. Staszel and Tveter, {T. S.} and F. Videb{\ae}k and R. Wada and H. Yang and Z. Yin and Zgura, {I. S.}",

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T1 - Nuclear stopping and rapidity loss in Au + Au collisions at sqrt(sN N) = 62.4 GeV

AU - Arsene, I. C.

AU - Bearden, I. G.

AU - Beavis, D.

AU - Bekele, S.

AU - Besliu, C.

AU - Budick, B.

AU - Bøggild, H.

AU - Chasman, C.

AU - Christensen, C. H.

AU - Christiansen, P.

AU - Dalsgaard, H. H.

AU - Debbe, R.

AU - Gaardhøje, J. J.

AU - Hagel, K.

AU - Ito, H.

AU - Jipa, A.

AU - Johnson, E. B.

AU - Jørgensen, C. E.

AU - Karabowicz, R.

AU - Katrynska, N.

AU - Kim, E. J.

AU - Larsen, T. M.

AU - Lee, J. H.

AU - Løvhøiden, G.

AU - Majka, Z.

AU - Murray, M. J.

AU - Natowitz, J.

AU - Nielsen, B. S.

AU - Nygaard, C.

AU - Pal, D.

AU - Qviller, A.

AU - Rami, F.

AU - Ristea, C.

AU - Ristea, O.

AU - Röhrich, D.

AU - Sanders, S. J.

AU - Staszel, P.

AU - Tveter, T. S.

AU - Videbæk, F.

AU - Wada, R.

AU - Yang, H.

AU - Yin, Z.

AU - Zgura, I. S.

PY - 2009/6/29

Y1 - 2009/6/29

N2 - Transverse momentum spectra of protons and anti-protons measured in the rapidity range 0 < y < 3.1 from 0-10% central Au + Au collisions at sqrt(sN N) = 62.4 GeV are presented. The rapidity densities, d N / d y, of protons, anti-protons and net-protons (Np - Nover(p, ̄)) have been deduced from the spectra over a rapidity range wide enough to observe the expected maximum net-baryon density. From mid-rapidity to y = 1 the net-proton yield is roughly constant (d N / d y ∼ 10), but rises to d N / d y ∼ 25 at 2.3 < y < 3.1. The mean rapidity loss is 2.01 ± 0.14 ± 0.12 units from beam rapidity. The measured rapidity distributions are compared to model predictions. Systematics of net-baryon distributions and rapidity loss vs. collision energy are discussed.

AB - Transverse momentum spectra of protons and anti-protons measured in the rapidity range 0 < y < 3.1 from 0-10% central Au + Au collisions at sqrt(sN N) = 62.4 GeV are presented. The rapidity densities, d N / d y, of protons, anti-protons and net-protons (Np - Nover(p, ̄)) have been deduced from the spectra over a rapidity range wide enough to observe the expected maximum net-baryon density. From mid-rapidity to y = 1 the net-proton yield is roughly constant (d N / d y ∼ 10), but rises to d N / d y ∼ 25 at 2.3 < y < 3.1. The mean rapidity loss is 2.01 ± 0.14 ± 0.12 units from beam rapidity. The measured rapidity distributions are compared to model predictions. Systematics of net-baryon distributions and rapidity loss vs. collision energy are discussed.

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