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73 results on '"Germinario M"'

1. Quark–gluon plasma and color glass condensate at RHIC? The perspective from the BRAHMS experiment

Author

Arsene, I., 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., Hansen, O., Holm, A., Holme, A.K., Hagel, K., Ito, H., Jakobsen, E., Jipa, A., Jundt, F., Jørdre, J.I., Jørgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindahl, S., Løvhøiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M.J., Natowitz, J., Neumann, B., Nielsen, B.S., Ouerdane, D., Płaneta, R., Rami, F., Ristea, C., Ristea, O., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbæk, F., Wada, R., Yin, Z., and Zgura, I.S.

Published
2005
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2. Properties of matter at forward rapidities at RHIC

Author

Röhrich, Dieter, Arsene, I., 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., Ito, H., Jipa, A., Jundt, F., Jørdre, J.I., Jørgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Løvhøiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Ouerdane, D., Płaneta, R., Rami, F., Ristea, C., Ristea, O., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S., Sheetz, R.A., Staszel, P., Tveter, T.S., Videbæk, F., Wada, R., Yang, H., Yin, Z., and Zgura, I.S.

Published
2005
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3. Results from the BRAHMS experiment at RHIC

Author

Röhrich, Dieter, primary, Bearden, I.G., additional, Beavis, D., additional, Besliu, C., additional, Blyakhman, Y., additional, Brzychczyk, J., additional, Budick, B., additional, Bøggild, H., additional, Chasman, C., additional, Christensen, C.H., additional, Christiansen, P., additional, Cibor, J., additional, Debbe, R., additional, Enger, E., additional, Gaardhøje, J.J., additional, Germinario, M., additional, Grotowski, K., additional, Hagel, K., additional, Hansen, O., additional, Holme, A.K., additional, Ito, H., additional, Jakobsen, E., additional, Jipa, A., additional, Jordre, J.I., additional, Jundt, F., additional, Jørgensen, C.E., additional, Karabowicz, R., additional, Keutgen, T., additional, Kim, E.J., additional, Kozik, T., additional, Larsen, T.M., additional, Lee, J.H., additional, Lee, Y.K., additional, Løvhøiden, G., additional, Majka, Z., additional, Makeev, A., additional, McBreen, B., additional, Mikkelsen, M., additional, Murray, M., additional, Natowitz, J., additional, Nielsen, B.S., additional, Norris, J., additional, Olchanski, K., additional, Ouerdane, D., additional, Planeta, R., additional, Rami, F., additional, Roehrich, D., additional, Samset, B., additional, Sandberg, D., additional, Sanders, S., additional, Sheetz, R.A., additional, Sosin, Z., additional, Staszel, P., additional, Tveter, T.S., additional, Videbaek, F., additional, Wada, R., additional, Wieloch, A., additional, Yin, Z., additional, and Zgura, I.S., additional

Published
2003
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4. Strangeness production in $\sqrt{s_{NN}} = 200$ GeV Au+Au collisions at RHIC

Author

Arsene, I., 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., Jipa, A., Jundt, F., Jørdre, J.I., Jørgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Løvhøiden, G., Majka, Z., Makeev, A., McBreen, B., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Norris, J., Ouerdane, D., Płaneta, R., Rami, F., Ristea, C., Ristea, O., Röhrich, D., Samset, B. H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbæk, F., Wada, R., Yin, Z., and Zgura, I.S.

Published
2004
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5. High pT results for Au+Au collisions at $\sqrt{s_{NN}} = 200$ GeV

Author

Arsene, I., 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., Jipa, A., Jundt, F., Jørdre, J.I., Jørgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Løvhøiden, G., Majka, Z., Makeev, A., McBreen, B., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Norris, J., Ouerdane, D., Płaneta, R., Rami, F., Staszel, P., Ristea, C., Ristea, O., Röhrich, D., Samset, B. H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Tveter, T.S., Videbæk, F., Wada, R., Yin, Z., and Zgura, I.S.

Published
2004
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6. The new physics at RHIC. From transparency to high p t suppression

Author

Gaardhøje, J.J., Arsene, I., Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Bøggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Germinario, M., Hagel, K., Hansen, O., Holm, A., Ito, H., Jipa, A., Jundt, F., Jørdre, J.I., Jørgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Løvhøiden, G., Majka, Z., Makeev, A., McBreen, B., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Norris, J., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Ristea, O., Ro¨hrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videb˦k, F., Wada, R., Yin, Z., and Zgura, I.S.

Published
2004
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7. Forward and midrapidity like-particle ratios from p+p collisions at s=200 GeV

Author

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., Holm, A., Holme, A.K., Ito, H., Jakobsen, E., Jipa, A., Jundt, F., Jørdre, J.I., Jørgensen, C.E., Karabowicz, R., Keutgen, T., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Løvhøiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M.J., Natowitz, J., Nielsen, B.S., Norris, J., Olchanski, K., Ouerdane, D., Płaneta, R., Rami, F., Ristea, C., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbæk, F., Wada, R., Wieloch, A., Yin, Z., and Zgura, I.S.

Subjects
Nuclear and High Energy Physics
Published
2005
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8. Forward and midrapidity like-particle ratios from p+p collisions at root s=200 GeV

Author

Bearden, IG, Beavis, D, Besliu, C, Budick, B, Boggild, H, Chasman, C, Christensen, CH, Christiansen, P, Cibor, J, Debbe, R, Enger, E, Gaardhoje, JJ, Germinario, M, Hagel, K, Holm, A, Holme, AK, Ito, H, Jakobsen, E, Jipa, A, Jundt, F, Jordre, JI, Jørdre, Jens Ivar, Jorgensen, CE, Karabowicz, R, Keutgen, T, Kim, EJ, Kozik, T, Larsen, T.M., Lee, JH, Lee, YK, Løvhøiden, Gunnar, Majka, Z, Makeev, A, Mikelsen, M, Murray, MJ, Natowitz, J, Nielsen, BS, Norris, J, Olchanski, K, Ouerdane, D, Planeta, R, Rami, F, Ristea, C, Rohrich, D, Røhrich, Dieter, Samset, B.H., Sandberg, D, Sanders, SJ, Scheetz, RA, Staszel, P, Tveter, T.S., Videbaek, F, Wada, R, Wieloch, A, Yin, Zhongbaao, and Zgura, IS

Subjects
Particle ratios, Forward rapidity, Limiting fragmentation, Baryon junctions, Proton collisions
Abstract

We present a measurement of π−/π+π−/π+, K−/K+K−/K+ and p¯/p from p+pp+p collisions at s=200 GeV over the rapidity range 02.0y>2.0. The p¯/p ratio is very similar for p+pp+p and 20% central Au + Au collisions at all rapidities. In the fragmentation region the three ratios seem to be independent of beam energy when viewed from the rest frame of one of the protons. Theoretical models based on quark–diquark breaking mechanisms overestimate the p¯/p ratio up to y≲3y≲3. Including additional mechanisms for baryon number transport such as baryon junctions leads to a better description of the data. publishedVersion

Published
2005

9. Centrality dependent particle production at y=0 and y $\sim$ 1 in Au + Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

Author

Arsene, I., Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Ito, H., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Lovhoiden, H., Mjka, Z., Makeev, A., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Ristea, O., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S, Videbaek, F., Wada, R., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
rapidity, spectra, flow, 25.75.Dw, Nuclear Theory, FOS: Physical sciences, High Energy Physics::Experiment, centrality, Nuclear Experiment (nucl-ex), transverse momentum, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment
Abstract

Particle production of identified charged hadrons, $\pi^{\pm}$, $K^{\pm}$, $p$, and $\bar{p}$ in Au+Au collisions at $\sqrt(snn) =$ 200 GeV has been studied as a function of transverse momentum and collision centrality at $y=0$ and $y\sim1$ by the BRAHMS experiment at RHIC. Significant collective transverse flow at kinetic freeze-out has been observed in the collisions. The magnitude of the flow rises with the collision centrality. Proton and kaon yields relative to the pion production increase strongly as the transverse momentum increases and also increase with centrality. Particle yields per participant nucleon show a weak dependence on the centrality for all particle species. Hadron production remains relatively constant within one unit around midrapidity in Au+Au collisions at $\sqrt(snn) =$ 200 GeV., Comment: 52 authors, 8 pages, 12 Figures, 3 Tables, submitted to PRC

Published
2005

10. Charged meson rapidity distributions in central Au+Au collisions at $\sqrt{s_{NN}$ = 200 GeV

Author

Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Hansen, O., Holm, A., Holme, A.K., Ito, H., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lovhoiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M., Natowitz, J., Nielsen, B.S., Norris, J., Olchanski, K., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Sheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
Nuclear Theory, FOS: Physical sciences, Nuclear Experiment (nucl-ex), [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment
Abstract

We have measured rapidity densities dN/dy of pions and kaons over a broad rapidity range (-0.1 < y < 3.5) for central Au+Au collisions at sqrt(snn) = 200 GeV. These data have significant implications for the chemistry and dynamics of the dense system that is initially created in the collisions. The full phase-space yields are 1660 +/- 15 +/- 133 (pi+), 1683 +/- 16 +/- 135 (pi-), 286 +/- 5 +/- 23 (K+) and 242 +/- 4 +/- 19 (K-). The systematics of the strange to non--strange meson ratios are found to track the variation of the baryo-chemical potential with rapidity and energy. Landau--Carruthers hydrodynamic is found to describe the bulk transport of the pions in the longitudinal direction., 4 pages, 4 figures, 1 table, submitted to Physical Review Letters. Updates : data are now corrected for feed down from Lambda and K0short decays, figures and tables show the corrected data. The text has been cleared and details on corrections to the data added

Published
2005

11. Centrality dependence of charged particle pseudorapidity distributions from d+Au collisions at $\sqrt{s_{NN}}$=200 GeV

Author

Arsene, I., Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Hansen, O., Holm, A., Ito, H., Jipa, A., Jundt, F., Jordre, J.I., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Lovhoiden, G., Majka, Z., Makeev, A., McBreen, B., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Norris, J., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Ristea, O., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
FOS: Physical sciences, High Energy Physics::Experiment, Nuclear Experiment (nucl-ex), [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment
Abstract

Charged-particle pseudorapidity densities are presented for the d+Au reaction at sqrt{s_{NN}}=200 GeV with -4.2, 4 pages, 3figures; expanded discussion of uncertainties; added 60-80% centrality range; added additional discussion on centrality selection bias

Published
2005

12. Forward and midrapidity like-particle ratios from p+p collisions at √s=200 GeV

Author

Bearden, IG, Beavis, D, Besliu, C, Budick, B, Boggild, H, Chasman, C, Christensen, CH, Christiansen, P, Cibor, J, Debbe, R, Enger, E, Gaardhoje, JJ, Germinario, M, Hagel, K, Holm, A, Holme, AK, Ito, H, Jakobsen, E, Jipa, A, Jundt, F, Jordre, JI, Jørdre, Jens Ivar, Jorgensen, CE, Karabowicz, R, Keutgen, T, Kim, EJ, Kozik, T, Larsen, Truls Martin, Lee, JH, Lee, YK, Løvhøiden, Gunnar, Majka, Z, Makeev, A, Mikelsen, Mads, Murray, MJ, Natowitz, J, Nielsen, BS, Norris, J, Olchanski, K, Ouerdane, D, Planeta, R, Rami, F, Ristea, C, Rohrich, D, Røhrich, Dieter, Samset, Bjørn Hallvard, Sandberg, D, Sanders, SJ, Scheetz, RA, Staszel, P, Tveter, Trine Spedstad, Videbaek, F, Wada, R, Wieloch, A, Yin, Zhongbaao, and Zgura, IS

Published
2005

13. Scanning the phases of QCD with BRAHMS

Author

Arsene, I., Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Ito, H., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Lovhoiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Ristea, O., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
Physics, Quantum chromodynamics, Nuclear and High Energy Physics, Range (particle radiation), High Energy Physics::Lattice, Hadron, High Energy Physics::Phenomenology, Nuclear Theory, FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Color-glass condensate, Nuclear physics, Quark–gluon plasma, Heavy ion, High Energy Physics::Experiment, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract

BRAHMS has the ability to study relativistic heavy ion collisions from the final freeze-out of hadrons all the way back to the initial wave-function of the gold nuclei. This is accomplished by studying hadrons with a very wide range of momenta and angles. In doing so we can scan various phases of QCD, from a hadron gas, to a quark gluon plasma and perhaps to a color glass condensate., 8 pages, 6 figures, proceedings of plenary talk at Quark Matter 2004 conference

Published
2004

14. The rapidity and centrality dependence of nuclear modification factors at RHIC - what does bulk particle production tell us about the nuclear medium ?

Author

Arsene, I., Bearden, G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Ito, H., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Kim, E.J., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lovhoiden, G., Majka, Z., Makeev, A., McBreen, B., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Norris, J., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Ristea, O., Rohrich, D., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
FOS: Physical sciences, Nuclear Experiment (nucl-ex), [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment
Abstract

The BRAHMS experiment at RHIC has measured the production of charged hadrons as a function of pseudorapidity and transverse momentum in Au+Au, d+Au and p+p collisions at a common energy of sqrt(s_NN)=200GeV, and from these spectra we construct the nuclear modification factors for both ``hot'' and ``cold'' nuclear matter. In this contribution I will show how these factors evolve with pseudorapidity and collision centrality. We see a Cronin-like enhancement in d+Au collisions at midrapidity, going to a strong suppression at eta >= 2. In central Au+Au collisions we find a suppression both at mid- and forward rapidities that vanishes for peripheral collisions. We interpret this as signs of several different medium related effects modifying bulk particle production in Au+Au and d+Au collisions at RHIC energies., 6 pages, 6 figures, prepared for the proceedings of the XLII International Winter Meeting on Nuclear Physics, Bormio, 2004

Published
2004

15. High $p_T$ charged pion and proton production in $\sqrt{s_{NN}}$ = 200 GeV Au+Au and d+Au collisions

Author

Arsene, I., Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Ito, H., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Lovhoiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Ristea, O., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
2004

16. Rapidity dependence of charged hadron production in central Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV with BRAHMS

Author

Arsene, I., Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Ito, H., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Lovhoiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Ristea, O., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
2004

17. Forward and midrapidity like-particle ratios from p+p collisions at sqrt(s)=200 GeV

Author

Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Chrisitansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Holm, A., Holme, A.K., Ito, H., Jacobsen, E., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Keutgen, T., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lovhoiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M.J., Natowitz, J., Nielsen, B.S., Norris, J., Olchanski, K., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Wieloch, A., Yin, Z., Zgura, I.S., Collaboration, Brahms, Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
baryon junctions, limiting fragmentation, forward rapidity, FOS: Physical sciences, proton collisions, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment (nucl-ex), Nuclear Experiment, 25.75.q, 25.40.-h, 13.75.-n, particle ratios
Abstract

We present a measurement of pi-\pi+, K-/K+ and pbar/p from p+p collisions at sqrt(s) = 20 0GeV over the rapidity range 0 2.0. The pbar/p ratio is very similar for p+p and 20% central Au+Au collisions at all rapidities. In the fragmentation region the three ratios seem to be independent of beam energy when viewed from the rest frame of one of the protons. Theoretical models based on quark-diquark breaking mechanisms overestimate the pbar/p ratio up to y ~< 3. Including additional mechanisms for baryon number transport such as baryon junctions leads to a better description of the data., Comment: 15 pages, 4 figures, uses elsart.sty. Changes to references and discussion based on referee comments, resubmitted to Phys. Lett. B

Published
2004
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18. Nuclear stopping in Au+Au collisions at $\sqrt{S_{NN}} = 200$ GeV

Author

Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Hansen, O., Holm, A., Holme, A.K., Ito, H., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lovhoiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M., Natowitz, J., Nielsen, B.S., Norris, J., Olchanski, K., Ouerdane, D., Paneta, R., Rami, F., Ristea, C., Rohrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Yin, Z., Zgura, I.S., Heyd, Yvette, Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
[PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]
Published
2004

19. Evolution of nuclear modification factors with rapidity and centrality in d+Au collisions at $\sqrt{N^SN}$ = 200 GeV

Author

Arsene, I., Bearden, I.G., Beavis, D., Besliu, C., Budick, R., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Ito, H., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Lovhoiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Ristea, O., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
25.75.Dw, 13.85.Hd, 24.85.+p, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
2004

20. The new physics at RHIC. From transparency to high p$_t$ suppression

Author

Gaardhoje, J.J., Arsene, I., Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Cibor, J., Debbe, R., Enger, E., Germinario, M., Hagel, K., Hansen, O., Holm, A., Ito, H., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Lovhoiden, G., Majka, Z., Makeev, A., McBreen, B., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Norris, J., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Riestea, O., Roehrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
2003

21. Rapidity dependence of high p$_T$ suppression

Author

Jorgensen, C.E., Arsene, I., Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debber, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Hansen, O., Holm, A., Ito, H., Jipa, A., Jundt, F., Jordre, J.I., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lindal, S., Lystad, R., Lovhoiden, G., Majka, Z., Makeev, A., McBreen, B., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Norris, J., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Ristea, O., Roehrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
2003

22. Rapidity dependent strangeness measurements in BRAHMS experiment at RHIC

Author

Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Hansen, O., Holm, A., Ito, H., Jakobsen, E., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lovhoiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M., Natowitz, J., Nielsen, B.S., Norris, J., Olchanski, K., Olness, J., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Roehrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Wieloch, A., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), BRAHMS, and Heyd, Yvette

Subjects
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
Published
2003

23. Rapidity Dependence of charged particle yields for Au + Au at $\sqrt{s_{NN}}$ = 200 GeV

Author

Bearden, I.G., Beavis, D., Besliu, C., Blyakhman, Y., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Hansen, O., Holm, A., Holme, A.K., Ito, H., Jakobsen, E., Jipa, A., Jundt, F., Jordre, J.I.Jorgensen C.E., Karabowicz, R., Keutgen, T., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lovhoiden, G., Majka, Z., Makeev, A., McBreen, B., Mikelsen, M., Murray, M., Natowitz, J., Nielsen, B.S., Norris, J., Olchanski, K., Olness, J., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Roehrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Wieloch, A., Yin, Z., Zgura, I.S., Heyd, Yvette, Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Published
2003

24. Transverse Momentum Spectra in Au+Au and d+Au Collisions at $\sqrt{s_{NN}}$ = 200 GeV and the Pseudorapidity Dependence of High-$p_{T}$ Suppression

Author

Arsene, I., Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Bxggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhxje, J.J., Germinario, M., Hagel, K., Hansen, O., Holm, A., Ito, H., Jipa, A., Jundt, F., Jxrdre, J.I., Jxrgensen, C.E., Karabowicz, R., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lystad, G., Lxvhxiden, G., Majka, Z., Makeev, A., McBreen, B., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B.S., Norris, J., Ouerdane, D., Paneta, R., Rami, F., Ristea, C., Ristea, O., Rvhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbfk, F., Wada, R., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
[PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]
Published
2003

25. Rapidity dependent net-proton yields in Au + Au at $\sqrt{s_{NN}}$ = 200 GeV

Author

Lee, J.H., Bearden, I.G., Beavis, D., Besliu, C., Blyakhman, Y., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Hansen, O., Holm, A., Holme, A.K., Ito, H., Jakobsen, E., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Keutgen, T., Kim, E.J., Kozik, T., Larsen, T.M., Lee, Y.K., Lovhoiden, G., Majka, Z., Makeev, A., McBreen, B., Mikelsen, M., Murray, M., Natowitz, J., Nielsen, B.S., Norris, J., Olchanski, K., Olness, J., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Roehrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Wieloch, A., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), BRAHMS, and Heyd, Yvette

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
2002

26. From y=0 to y=3: Recent results from BRAHMS

Author

Zavada, P., Beavis, D., Besliu, C., Blyakhman, Y., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Gaardhoje, J.J., Germinario, M., Hagel, K., Hansen, O., Holm, A., Holme, A.K., Ito, H., Jakobsen, E., Jipa, A., Jundt, F., Jordre, J.I., Jorgensen, C.E., Karabowicz, R., Keutgen, T., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lovhoiden, G., Majka, Z., Makeev, A., McBreen, B., Mikelsen, M., Murray, M., Natowitz, J., Nielsen, B.S., Norris, J., Olchanski, K., Olness, J., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Roehrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbaek, F., Wada, R., Wieloch, A., Yin, Z., Zgura, I.S., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), BRAHMS, and Heyd, Yvette

Subjects
[PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]
Published
2002

27. Results from the BRAHMS experiment at RHIC

Author

Bearden, G., Beavis, D., Besliu, C., Blyakhman, Y., Brzychczyk, J., Budick, B., Boggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Gaardhoje, J.J., Germinario, M., Grotowski, K., Hagel, K., Hansen, O., Holm, A., Holme, A.K., Ito, H., Jakobsen, E., Jipa, A., Jordre, J.I., Jundt, F., Jorgensen, C.E., Keutgen, T., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Lovhoiden, G., Majka, Z., Makeev, A., McBreen, B., Murray, M., Natowitz, J., Nielsen, B.S., Olchanski, K., Olness, J., Ouerdane, D., Planeta, R., Rami, F., Rohrich, D., Samset, B., Sandberg, D., Sanders, S., Sheetz, R.A., Sosin, Z., Staszel, P., Thorsteinsen, T.F., Tveter, T.S., Videbaek, F., Wada, R., Wieloch, A., Zgura, I.S., Heyd, Yvette, Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
[PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]
Published
2002

28. Nuclear modification factor for charged pions and protons at forward rapidity in central Au + Au collisions at 200 GeV

Author

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

Published
2007
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29. Nuclear modification factor for charged pions and protons at forward rapidity in central Au+Au collisions at 200 GeV

Author

Arsene, I., primary, Bearden, I.G., additional, Beavis, D., additional, Besliu, C., additional, Budick, B., additional, Bøggild, H., additional, Chasman, C., additional, Christensen, C.H., additional, Christiansen, P., additional, Debbe, R., additional, Enger, E., additional, Gaardhøje, J.J., additional, Germinario, M., additional, Hagel, K., additional, Holm, A., additional, Ito, H., additional, Jipa, A., additional, Jundt, F., additional, Jørdre, J.I., additional, Jørgensen, C.E., additional, Karabowicz, R., additional, Kim, E.J., additional, Kozik, T., additional, Larsen, T.M., additional, Lee, J.H., additional, Lee, Y.K., additional, Lindal, S., additional, Lystad, G., additional, Løvhøiden, G., additional, Majka, Z., additional, Makeev, A., additional, Mikelsen, M., additional, Murray, M., additional, Natowitz, J., additional, Nielsen, B.S., additional, Ouerdane, D., additional, Płaneta, R., additional, Rami, F., additional, Ristea, C., additional, Ristea, O., additional, Röhrich, D., additional, Samset, B.H., additional, Sandberg, D., additional, Sanders, S.J., additional, Staszel, P., additional, Tveter, T.S., additional, Videbæk, F., additional, Wada, R., additional, Yang, H., additional, Yin, Z., additional, and Zgura, I.S., additional

Published
2007
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30. Centrality dependent particle production aty=0andy~1in Au+Au collisions atsNN=200 GeV

Author

Arsene, I., primary, Bearden, I. G., additional, Beavis, D., additional, Besliu, C., additional, Budick, B., additional, Bøggild, H., additional, Chasman, C., additional, Christensen, C. H., additional, Christiansen, P., additional, Cibor, J., additional, Debbe, R., additional, Enger, E., additional, Gaardhøje, J. J., additional, Germinario, M., additional, Hagel, K., additional, Ito, H., additional, Jipa, A., additional, Jundt, F., additional, Jørdre, J. I., additional, Jørgensen, C. E., additional, Karabowicz, R., additional, Kim, E. J., additional, Kozik, T., additional, Larsen, T. M., additional, Lee, J. H., additional, Lee, Y. K., additional, Lindal, S., additional, Lystad, R., additional, Løvhøiden, G., additional, Majka, Z., additional, Makeev, A., additional, Mikelsen, M., additional, Murray, M., additional, Natowitz, J., additional, Neumann, B., additional, Nielsen, B. S., additional, Ouerdane, D., additional, Płaneta, R., additional, Rami, F., additional, Ristea, C., additional, Ristea, O., additional, Röhrich, D., additional, Samset, B. H., additional, Sandberg, D., additional, Sanders, S. J., additional, Scheetz, R. A., additional, Staszel, P., additional, Tveter, T. S., additional, Videbaek, F., additional, Wada, R., additional, Yin, Z., additional, and Zgura, I. S., additional

Published
2005
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31. Centrality Dependence of Charged-Particle Pseudorapidity Distributions fromd+AuCollisions atsNN=200 GeV

Author

Arsene, I., primary, Bearden, I. G., additional, Beavis, D., additional, Besliu, C., additional, Budick, B., additional, Bøggild, H., additional, Chasman, C., additional, Christensen, C. H., additional, Christiansen, P., additional, Cibor, J., additional, Debbe, R., additional, Enger, E., additional, Gaardhøje, J. J., additional, Germinario, M., additional, Hagel, K., additional, Ito, H., additional, Jipa, A., additional, Jørdre, J. I., additional, Jundt, F., additional, Jørgensen, C. E., additional, Karabowicz, R., additional, Kim, E. J., additional, Kozik, T., additional, Larsen, T. M., additional, Lee, J. H., additional, Lee, Y. K., additional, Lindal, S., additional, Lystad, R., additional, Løvhøiden, G., additional, Majka, Z., additional, Makeev, A., additional, Mikelsen, M., additional, Murray, M., additional, Natowitz, J., additional, Neumann, B., additional, Nielsen, B. S., additional, Ouerdane, D., additional, Płaneta, R., additional, Rami, F., additional, Ristea, C., additional, Ristea, O., additional, Röhrich, D., additional, Samset, B. H., additional, Sandberg, D., additional, Sanders, S. J., additional, Sheetz, R. A., additional, Staszel, P., additional, Tveter, T. S., additional, Videbæk, F., additional, Wada, R., additional, Yin, Z., additional, and Zgura, I. S., additional

Published
2005
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32. Evolution of the Nuclear Modification Factors with Rapidity and Centrality ind+AuCollisions atNNS=200GeV

Author

Arsene, I., primary, Bearden, I. G., additional, Beavis, D., additional, Besliu, C., additional, Budick, B., additional, Bøggild, H., additional, Chasman, C., additional, Christensen, C. H., additional, Christiansen, P., additional, Cibor, J., additional, Debbe, R., additional, Enger, E., additional, Gaardhøje, J. J., additional, Germinario, M., additional, Hagel, K., additional, Ito, H., additional, Jipa, A., additional, Jundt, F., additional, Jørdre, J. I., additional, Jørgensen, C. E., additional, Karabowicz, R., additional, Kim, E. J., additional, Kozik, T., additional, Larsen, T. M., additional, Lee, J. H., additional, Lee, Y. K., additional, Lindal, S., additional, Lystad, R., additional, Løvhøiden, G., additional, Majka, Z., additional, Makeev, A., additional, Mikelsen, M., additional, Murray, M., additional, Natowitz, J., additional, Neumann, B., additional, Nielsen, B. S., additional, Ouerdane, D., additional, Płaneta, R., additional, Rami, F., additional, Ristea, C., additional, Ristea, O., additional, Röhrich, D., additional, Samset, B. H., additional, Sandberg, D., additional, Sanders, S. J., additional, Scheetz, R. A., additional, Staszel, P., additional, Tveter, T. S., additional, Videbæk, F., additional, Wada, R., additional, Yin, Z., additional, and Zgura, I. S., additional

Published
2004
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33. The new physics at RHIC. From transparency to high pt suppression

Author

Gaardhøje, J.J., primary, Arsene, I., additional, Bearden, I.G., additional, Beavis, D., additional, Besliu, C., additional, Budick, B., additional, Bøggild, H., additional, Chasman, C., additional, Christensen, C.H., additional, Christiansen, P., additional, Cibor, J., additional, Debbe, R., additional, Enger, E., additional, Gaardhøje, J.J., additional, Germinario, M., additional, Hagel, K., additional, Hansen, O., additional, Holm, A., additional, Ito, H., additional, Jipa, A., additional, Jundt, F., additional, Jørdre, J.I., additional, Jørgensen, C.E., additional, Karabowicz, R., additional, Kim, E.J., additional, Kozik, T., additional, Larsen, T.M., additional, Lee, J.H., additional, Lee, Y.K., additional, Lindal, S., additional, Lystad, R., additional, Løvhøiden, G., additional, Majka, Z., additional, Makeev, A., additional, McBreen, B., additional, Mikelsen, M., additional, Murray, M., additional, Natowitz, J., additional, Neumann, B., additional, Nielsen, B.S., additional, Norris, J., additional, Ouerdane, D., additional, Planeta, R., additional, Rami, F., additional, Ristea, C., additional, Ristea, O., additional, Ro¨hrich, D., additional, Samset, B.H., additional, Sandberg, D., additional, Sanders, S.J., additional, Scheetz, R.A., additional, Staszel, P., additional, Tveter, T.S., additional, Videb˦k, F., additional, Wada, R., additional, Yin, Z., additional, and Zgura, I.S., additional

Published
2004
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34. Rapidity dependent strangeness measurements in BRAHMS experiment at RHIC

Author

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

Published
2003
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35. Transverse-Momentum Spectra inAu+Auandd+AuCollisions atsNN=200GeVand the Pseudorapidity Dependence of High-pTSuppression

Author

Arsene, I., primary, Bearden, I. G., additional, Beavis, D., additional, Besliu, C., additional, Budick, B., additional, Bøggild, H., additional, Chasman, C., additional, Christensen, C. H., additional, Christiansen, P., additional, Cibor, J., additional, Debbe, R., additional, Enger, E., additional, Gaardhøje, J. J., additional, Germinario, M., additional, Hagel, K., additional, Hansen, O., additional, Holm, A., additional, Ito, H., additional, Jipa, A., additional, Jundt, F., additional, Jørdre, J. I., additional, Jørgensen, C. E., additional, Karabowicz, R., additional, Kim, E. J., additional, Kozik, T., additional, Larsen, T. M., additional, Lee, J. H., additional, Lee, Y. K., additional, Lindal, S., additional, Lystad, G., additional, Løvhøiden, G., additional, Majka, Z., additional, Makeev, A., additional, McBreen, B., additional, Mikelsen, M., additional, Murray, M., additional, Natowitz, J., additional, Neumann, B., additional, Nielsen, B. S., additional, Norris, J., additional, Ouerdane, D., additional, Płaneta, R., additional, Rami, F., additional, Ristea, C., additional, Ristea, O., additional, Röhrich, D., additional, Samset, B. H., additional, Sandberg, D., additional, Sanders, S. J., additional, Scheetz, R. A., additional, Staszel, P., additional, Tveter, T. S., additional, Videbæk, F., additional, Wada, R., additional, Yin, Z., additional, and Zgura, I. S., additional

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2003
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36. Rapidity Dependence of Charged Antihadron to Hadron Ratios inAu+AuCollisions atsNN=200GeV

Author

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

Published
2003
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37. Results from the BRAHMS experiment at RHIC

Author

Collaboration:, D R$ouml$hrich for the BRAHMS, primary, Bearden, I G, additional, Beavis, D, additional, Besliu, C, additional, Blyakhman, Y, additional, Brzychczyk, J, additional, Budick, B, additional, B$oslash$ggild, H, additional, Chasman, C, additional, Christensen, C H, additional, Christiansen, P, additional, Cibor, J, additional, Debbe, R, additional, Gaardh$oslash$je, J J, additional, Germinario, M, additional, Grotowski, K, additional, Hagel, K, additional, Hansen, O, additional, Holm, A, additional, Holme, A K, additional, Ito, H, additional, Jakobsen, E, additional, Jipa, A, additional, Jordre, J I, additional, Jundt, F, additional, J$oslash$rgensen, C E, additional, Keutgen, T, additional, Kim, E J, additional, Kozik, T, additional, Larsen, T M, additional, Lee, J H, additional, Lee, Y K, additional, L$oslash$vh$oslash$iden, G, additional, Majka, Z, additional, Makeev, A, additional, McBreen, B, additional, Murray, M, additional, Natowitz, J, additional, Nielsen, B S, additional, Olchanski, K, additional, Olness, J, additional, Ouerdane, D, additional, P$lslash$aneta, R, additional, Rami, F, additional, R$ouml$hrich, D, additional, Samset, B, additional, Sandberg, D, additional, Sanders, S, additional, Sheetz, R A, additional, Sosin, Z, additional, Staszel, P, additional, Thorsteinsen, T F, additional, Tveter, T S, additional, Videb$aelig$k, F, additional, Wada, R, additional, Wieloch, A, additional, and Zgura, I S, additional

Published
2002
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38. RECENT RESULTS FROM THE BRAHMS EXPERIMENT AT RHIC.

Author

Staszel, Paweł, Arsene, I., 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., Ito, H., Jipa, A., Jørdre, J. I., and Jundt, F.

Subjects
HEAVY ions, COLLISIONS (Nuclear physics), RELATIVISTIC mechanics, RELATIVISTIC particles, PARTICLES (Nuclear physics), NUCLEAR physics
Abstract

We present the results obtained by the BRAHMS experiment at the Relativistic Heavy Ion Collider (RHIC) for three colliding systems, namely: Au + Au, d + Au and p + p at $\sqrt{s_{NN}} = 200~{\rm GeV}$. The main focus here is to give an overview of the main results on the reaction dynamics and on the properties of hot and high energy density matter produced in utra-relativistic heavy ion collisions. Measurement of particle production, particle spectra over a large rapidity interval as well as high pt measurements related to nuclear modification in Au + Au and d + Au collision are discussed. The observed number of charged particles produced per unit of rapidity at the central rapidity region indicates that a high energy density (> 5 GeV/fm3) system is created at the initial stage of the Au + Au reaction. From the particle spectra we deduced significant radial expansion (β ≈ 0.75) which is consistent with the large initial energy density. For Au + Au at η = 0 we observe the suppression of the high pT particles as compared to the elementary collisions, whereas for the d + Au reaction the Cronin type enhancement is observed. We also discuss to what extent these results can be taken as evidence for the quark gluon plasma (QGP). Finally, we present the nuclear modification effects in d + Au reaction as a function of rapidity and consider whether the observed suppression at forward rapidities constitutes sufficient evidence for a possible precursor state to the QGP, i.e. the Color Glass Condensate (CGC). [ABSTRACT FROM AUTHOR]

Published
2005

39. Rapidity dependent strangeness measurements in BRAHMS experiment at RHIC

Author

Lee, J H, Collaboration), (for the BRAHMIS, 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, Jipa, A, Jundt, F, Jørdre, J I, Jørgensen, C E, Karabowicz, R, Kim, E J, Kozik, T, Larsen, T M, Lee, J H, Lee, Y K, Løvhøiden, G, Majka, Z, Makeev, A, Mikelsen, M, Murray, M, Natowitz, J, Nielsen, B S, Norris, J, Olchanski, K, Olness, J, and Ouerdane, D

Abstract

Particle production of charged kaons in central Au+Au collisions at 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  yK  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 ratios in the measured rapidity range demonstrates a strongly correlated behaviour which can be described by thermal–statistical models.

Published
2004

40. Forward and midrapidity like-particle ratios from p+p collisions at s=200 GeV

Author

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., Holm, A., Holme, A.K., Ito, H., Jakobsen, E., Jipa, A., Jundt, F., Jørdre, J.I., Jørgensen, C.E., Karabowicz, R., Keutgen, T., Kim, E.J., Kozik, T., Larsen, T.M., Lee, J.H., Lee, Y.K., Løvhøiden, G., Majka, Z., Makeev, A., Mikelsen, M., Murray, M.J., Natowitz, J., Nielsen, B.S., Norris, J., Olchanski, K., Ouerdane, D., Płaneta, R., Rami, F., Ristea, C., Röhrich, D., Samset, B.H., Sandberg, D., Sanders, S.J., Scheetz, R.A., Staszel, P., Tveter, T.S., Videbæk, F., Wada, R., Wieloch, A., Yin, Z., and Zgura, I.S.

Subjects
Particle ratios, Forward rapidity, Limiting fragmentation, Baryon junctions, Proton collisions
Abstract

We present a measurement of π−/π+, K−/K+ and p¯/p from p+p collisions at s=200 GeV over the rapidity range 02.0. The p¯/p ratio is very similar for p+p and 20% central Au+Au collisions at all rapidities. In the fragmentation region the three ratios seem to be independent of beam energy when viewed from the rest frame of one of the protons. Theoretical models based on quark–diquark breaking mechanisms overestimate the p¯/p ratio up to y≲3. Including additional mechanisms for baryon number transport such as baryon junctions leads to a better description of the data.

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41. Strangeness production in ... GeV Au+Au collisions at RHIC.

Author

Arsene, I., 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., Jipa, A., and Jundt, F.

Subjects
SPECTRUM analysis, QUALITATIVE chemical analysis, INTERFEROMETRY, OPTICS, PARTICLES (Nuclear physics), NUCLEAR physics, BETHE-Salpeter equation
Abstract

The BRAHMS collaboration has measured identified particle spectra from Au+Au collisions at √sNN = 200 GeV. Rapidity densities are deduced from fits to the pion and kaon spectra. dN/dy is plotted as a function of rapidity and 4&pai; yields and ratios are calculated. The signed K/&pai; ratios are compared to values obtained at lower energies. We find that K-/&pai;- increases monotonically from the AGS and SPS regimes, while K+/&pai;+ is similar to what was found at the highest √sNN at SPS. [ABSTRACT FROM AUTHOR]

Published
2004
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42. High pT results for Au+Au collisions at ... GeV.

Author

Arsene, I., 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., Jipa, A., and Jundt, F.

Subjects
PARTICLES (Nuclear physics), NUCLEAR physics, ANYONS, HADRONS, SPECTRUM analysis, INTERFEROMETRY, OPTICS
Abstract

We present transverse momentum spectra of unidentified charged hadrons at two pseudorapidities (η = 0, 2.2) as well as the first results on identified negatively charged pions at rapidity 2.2 from Au+Au collisions at &√sNN = 200 GeV. The high pT yields of charged hadrons in the most central collisions show a strong suppression when compared to expected binary-scaled yields from nucleon-nucleon collisions or semi-peripheral collisions. The &pai;- spectra at forward rapidity (y = 2.2) also indicate a clear suppression of high pT &pai;- yields in central collisions. [ABSTRACT FROM AUTHOR]

Published
2004
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43. Rapidity dependence of charged antihadron to hadron ratios in Au + Au collisions at √SNN= 200 GeV

Author

Bearden, I. G., Beavis, D., Besliu, C., Blyakhman, Y., 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., Holme, A. K., Ito, H., Jakobsen, E., Jipa, A., Jundt, F., Jørdre, J. I., Jørgensen, C. E., Karabowicz, R., Keutgen, T., Kim, E. J., Kozik, T., Larsen, T. M., Lee, J. H., Lee, Y. K., Løvhøiden, G., Majka, Z., Makeev, A., Mcbreen, B., Milkelsen, M., Murray, M., Natowitz, J., Nielsen, B. S., Norris, J., Olchanski, K., Olness, J., Ouerdane, D., Planeta, R., Rami, F., Ristea, C., Röhrich, D., Bjørn H. Samset, Sandberg, D., Sanders, S. J., Scheetz, R. A., Staszel, P., Tveter, T. S., Videbæk, F., Wada, R., Wieloch, A., Yin, Z., and Zgura, I. S.

44. Results from the BRAHMS experiment at RHIC

Author

Rohrich, D., Bearden, I. G., Beavis, D., Besliu, C., Blyakhman, Yu, Brzychczyk, J., Budick, B., Boggild, H., Chasman, C., Christensen, C. H., Peter Christiansen, Cibor, J., Debbe, R., Enger, E., Gaardhoje, J. J., Germinario, M., Grotowski, K., Hagel, K., Hansen, O., Holme, A. K., Ito, H., Jakobsen, E., Jipa, A., Jordre, J. I., Jundt, F., Jorgensen, C. E., Karabowicz, R., Keutgen, T., Kim, E. J., Kozik, T., Larsen, T. M., Lee, J. H., Lee, Y. K., Lovhoiden, G., Majka, Z., Makeev, A., Mcbreen, B., Mikelsen, M., Murray, M., Natowitz, J., Nielsen, B. S., Norris, J., Olchanski, K., Ouerdane, D., Planeta, R., Rami, F., Samset, B. H., Sandberg, D., Sanders, S. J., Sheetz, R. A., Sosin, Z., Staszel, P., Tveter, T. S., Videbaek, F., Wada, R., Wieloch, A., Yin, Z., Zgura, I. S., Heyd, Yvette, Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and BRAHMS

Subjects
[PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]

45. Transverse-Momentum Spectra in Au + Au and d + Au Collisions at √sNN = 200 GeV and the Pseudorapidity Dependence of High-p T Suppression

Author

Arsene, I., 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., Jipa, A., Jundt, F., Jørdre, J. L., Joørgensen, C. E., Karabowicz, R., Kim, E. J., Kozik, T., Larsen, T. M., Lee, J. H., Lee, Y. K., Lindal, S., Lystad, G., Løvhøiden, G., Majka, Z., Makeev, A., Mcbreen, B., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Nielsen, B. S., Norris, J., Ouerdane, D., Płaneta, R., Rami, F., Ristea, C., Ristea, O., Röhrich, D., Bjørn H. Samset, Sandberg, D., Sanders, S. J., Scheetz, R. A., Staszel, P., Tveter, T. S., Videbæk, F., Wada, R., Yin, Z., and Zgura, I. S.

46. Centrality dependence of charged-particle pesudorapidity distributions from d+Au collisions at S(NN)**(1/2) =200 Gev

Author

Arsene, I., Ian Bearden, Hans Bøggild, Christian Christensen, Christiansen, P., Jørgensen, C. E., Videbæk, F., Brahms, Collaboration, Beavis, D., Besliu, C., Budick, B., Chasman, C., Cibor, J., Debbe, R., Jens-Jorgen Gaardhoje, Enger, E., Germinario, M., Hagel, K., Ito, H., Jipa, A., Jundt, J. I., Karabowicz, R., Kim, E. J., Kozik, T., Larsen, T. M., Lee, J. H., Lee, Y. K., Lindal, S., Lystad, R., Løvhøiden, G., Majka, Z., Makeev, M., Mikelsen, M., Murray, M., Natowitz, J., Neumann, B., Borge S Nielsen, Planeta, R., and Ouerdane, D.

47. Charged Particle Production at RHIC Energies

Author

Rami, F., Bearden, I. G., Bevis, D., Besilus, C., Blyakhman, Y., Budick, B., Boggild, H., Chasman, C., Christensen, C. H., Christian Christensen, Cibor, J., Debbe, R., Enger, E., Gaardhoje, J. J., Germinario, M., Hagel, K., Hansen, O., Holm, A., Holme, A. K., Ito, H., Jakobsen, E., Jipa, A., Jundt, F., Jodre, J. I., Jorgensen, C. E., Karabowicz, R., Keutgen, T., Kim, E. J., Kozik, T., Larsen, T. M., Lee, J. H., Lee, Y. K., Lovhoiden, G., Majak, Z., Makeev, A., Mcbreen, B., Mikelsen, M., Murray, M., Natowitz, J., Nielsen, B. S., Norris, J., Olchanski, K., Olness, J., Ouerdane, D., Planeta, R., Ristea, C., Röhrich, D., Samset, B. H., Sandberg, D., Wada, R., Sanders, S. J., Sheetz, R. A., Staszel, P., Thorsteinsen, T. F., Tveter, T. S., Vidbaek, F., Wieloch, A., and Zgura, I. S.

48. Results from the BRAHMS experiment at RHIC.

Author

Röhrich, D., Collaboration, the BRAHMS, Bearden, I. G., Beavis, D., Besliu, C., Blyakhman, Y., Brzychczyk, J., Budick, B., Bøggild, H., Chasman, C., Christensen, C. H., Christiansen, P., Cibor, J., Debbe, R., Gaardhøje, J. J., Germinario, M., Grotowski, K., Hagel, K., Hansen, O., and Holm, A.

Published
2002
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50. The new physics at RHIC. From transparency to high pt suppression

Author

Gaardhøje, J.J., Arsene, I., Bearden, I.G., Beavis, D., Besliu, C., Budick, B., Bøggild, H., Chasman, C., Christensen, C.H., Christiansen, P., Cibor, J., Debbe, R., Enger, E., Germinario, M., Hagel, K., Hansen, O., Holm, A., Ito, H., Jipa, A., and Jundt, F.

Subjects
*PARTICLES (Nuclear physics), *HEAVY ion collisions, *COLLISIONS (Nuclear physics), *ENERGY dissipation
Abstract

Heavy ion collisions at RHIC energies (Au + Au collisions at √SNN = 200 GeV) exhibit significant new features as compared to earlier experiments at lower energies. The reaction is characterized by a high degree of transparency of the collision partners leading to the formation of a baryon-poor central region. In this zone, particle production occurs mainly from the stretching of the color field. The initial energy density is well above the one considered necessary for the formation of the Quark Gluon Plasma, QGP. The production of charged particles of various masses is consistent with chemical and thermal equilibrium. Recently, a suppression of the high transverse momentum component of hadron spectra has been observed in central Au + Au collisions. This can be explained by the energy loss experienced by leading partons in a medium with a high density of unscreened color charges. In contrast, such high pt jets are not suppressed in d + Au collisions suggesting that the high pt suppression is not due to initial state effects in the ultrarelativistic colliding nuclei. [Copyright &y& Elsevier]

Published
2004

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