Energy dependence of hyperon production in nucleus-nucleus collisions at SPS

A measurement of strange baryon and antibaryon production in Pb-Pb collisions has been carried out by the NA57 experiment at the CERN SPS, with 40 and 158 A GeV/c beam momentum. Results on $\Lambda$, $\Xi$ and $\Omega$ hyperon yields at mid-rapidity in the most central 53% of Pb-Pb collisions at 40...

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Detalles Bibliográficos
Autores principales: Antinori, F., Bacon, P.A., Badala, A., Barbera, R., Belogianni, A., Bhasin, A., Bloodworth, I.J., Bombara, M., Bruno, G.E., Bull, S.A., Caliandro, R., Campbell, M., Carena, Wisla, Carrer, N., Clarke, R.F., Dainese, A., de Haas, A.P., de Rijke, P.C., Di Bari, D., Di Liberto, S., Divia, R., Elia, D., Evans, D., Feofilov, G.A., Fini, R.A., Ganoti, P., Ghidini, B., Grella, G., Helstrup, H., Hetland, K.F., Holme, A.K., Jacholkowski, A., Jones, G.T., Jovanovic, P., Jusko, A., Kamermans, R., Kinson, J.B., Knudson, K., Kolozhvari, A.A., Kondratiev, V., Kralik, I., Kravcakova, A., Kuijer, P., Lenti, V., Lietava, R., Lovhoiden, G., Manzari, V., Martinska, G., Mazzoni, M.A., Meddi, F., Michalon, A., Morando, M., Nappi, E., Navach, F., Norman, P.I., Palmeri, A., Pappalardo, G.S., Pastircak, B., Pisut, Jan, Pisutova, N., Posa, F., Quercigh, E., Riggi, F., Rohrich, D., Romano, G., Safark, K., Sandor, L., Schillings, E., Segato, G., Sene, M., Sene, R., Snoeys, W., Soramel, F., Spyropoulou-Stassinaki, M., Staroba, P., Toulin, T.A., Turrisi, R., Tveter, T.S., Urban, J., Valiev, F., van den Brink, A., van de Ven, P., Vande Vyvre, P., van Eijndhoven, N., van Hunen, J., Vascotto, A., Vik, T., Villalobos Baillie, O., Vinogradov, L., Virgili, T., Votruba, M.F., Vrlakova, J., Zavada, P.
Lenguaje:eng
Publicado: 2004
Materias:
Nuclear Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1016/j.physletb.2004.05.025
http://cds.cern.ch/record/724546
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author Antinori, F.
Bacon, P.A.
Badala, A.
Barbera, R.
Belogianni, A.
Bhasin, A.
Bloodworth, I.J.
Bombara, M.
Bruno, G.E.
Bull, S.A.
Caliandro, R.
Campbell, M.
Carena, Wisla
Carrer, N.
Clarke, R.F.
Dainese, A.
de Haas, A.P.
de Rijke, P.C.
Di Bari, D.
Di Liberto, S.
Divia, R.
Elia, D.
Evans, D.
Feofilov, G.A.
Fini, R.A.
Ganoti, P.
Ghidini, B.
Grella, G.
Helstrup, H.
Hetland, K.F.
Holme, A.K.
Jacholkowski, A.
Jones, G.T.
Jovanovic, P.
Jusko, A.
Kamermans, R.
Kinson, J.B.
Knudson, K.
Kolozhvari, A.A.
Kondratiev, V.
Kralik, I.
Kravcakova, A.
Kuijer, P.
Lenti, V.
Lietava, R.
Lovhoiden, G.
Manzari, V.
Martinska, G.
Mazzoni, M.A.
Meddi, F.
Michalon, A.
Morando, M.
Nappi, E.
Navach, F.
Norman, P.I.
Palmeri, A.
Pappalardo, G.S.
Pastircak, B.
Pisut, Jan
Pisutova, N.
Posa, F.
Quercigh, E.
Riggi, F.
Rohrich, D.
Romano, G.
Safark, K.
Sandor, L.
Schillings, E.
Segato, G.
Sene, M.
Sene, R.
Snoeys, W.
Soramel, F.
Spyropoulou-Stassinaki, M.
Staroba, P.
Toulin, T.A.
Turrisi, R.
Tveter, T.S.
Urban, J.
Valiev, F.
van den Brink, A.
van de Ven, P.
Vande Vyvre, P.
van Eijndhoven, N.
van Hunen, J.
Vascotto, A.
Vik, T.
Villalobos Baillie, O.
Vinogradov, L.
Virgili, T.
Votruba, M.F.
Vrlakova, J.
Zavada, P.
author_facet Antinori, F.
Bacon, P.A.
Badala, A.
Barbera, R.
Belogianni, A.
Bhasin, A.
Bloodworth, I.J.
Bombara, M.
Bruno, G.E.
Bull, S.A.
Caliandro, R.
Campbell, M.
Carena, Wisla
Carrer, N.
Clarke, R.F.
Dainese, A.
de Haas, A.P.
de Rijke, P.C.
Di Bari, D.
Di Liberto, S.
Divia, R.
Elia, D.
Evans, D.
Feofilov, G.A.
Fini, R.A.
Ganoti, P.
Ghidini, B.
Grella, G.
Helstrup, H.
Hetland, K.F.
Holme, A.K.
Jacholkowski, A.
Jones, G.T.
Jovanovic, P.
Jusko, A.
Kamermans, R.
Kinson, J.B.
Knudson, K.
Kolozhvari, A.A.
Kondratiev, V.
Kralik, I.
Kravcakova, A.
Kuijer, P.
Lenti, V.
Lietava, R.
Lovhoiden, G.
Manzari, V.
Martinska, G.
Mazzoni, M.A.
Meddi, F.
Michalon, A.
Morando, M.
Nappi, E.
Navach, F.
Norman, P.I.
Palmeri, A.
Pappalardo, G.S.
Pastircak, B.
Pisut, Jan
Pisutova, N.
Posa, F.
Quercigh, E.
Riggi, F.
Rohrich, D.
Romano, G.
Safark, K.
Sandor, L.
Schillings, E.
Segato, G.
Sene, M.
Sene, R.
Snoeys, W.
Soramel, F.
Spyropoulou-Stassinaki, M.
Staroba, P.
Toulin, T.A.
Turrisi, R.
Tveter, T.S.
Urban, J.
Valiev, F.
van den Brink, A.
van de Ven, P.
Vande Vyvre, P.
van Eijndhoven, N.
van Hunen, J.
Vascotto, A.
Vik, T.
Villalobos Baillie, O.
Vinogradov, L.
Virgili, T.
Votruba, M.F.
Vrlakova, J.
Zavada, P.
author_sort Antinori, F.
collection CERN
description A measurement of strange baryon and antibaryon production in Pb-Pb collisions has been carried out by the NA57 experiment at the CERN SPS, with 40 and 158 A GeV/c beam momentum. Results on $\Lambda$, $\Xi$ and $\Omega$ hyperon yields at mid-rapidity in the most central 53% of Pb-Pb collisions at 40 A GeV/c are presented and compared with those obtained at higher energy, in the same collision centrality range. The $\Lambda$ and $\Xi^-$ yields per unit rapidity stay roughly constant while those of $\Omega^-$, $\bar\Lambda$, $\bar\Xi^+$ and $\bar\Omega^+$ increase when going to the higher SPS energy. Hyperon yields at the SPS are compared with those from the STAR experiment in $\sqrt{s_{NN}}$ = 130 GeV Au-Au collisions at RHIC.
id cern-724546
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2004
record_format invenio
spelling cern-7245462019-09-30T06:29:59Zdoi:10.1016/j.physletb.2004.05.025http://cds.cern.ch/record/724546engAntinori, F.Bacon, P.A.Badala, A.Barbera, R.Belogianni, A.Bhasin, A.Bloodworth, I.J.Bombara, M.Bruno, G.E.Bull, S.A.Caliandro, R.Campbell, M.Carena, WislaCarrer, N.Clarke, R.F.Dainese, A.de Haas, A.P.de Rijke, P.C.Di Bari, D.Di Liberto, S.Divia, R.Elia, D.Evans, D.Feofilov, G.A.Fini, R.A.Ganoti, P.Ghidini, B.Grella, G.Helstrup, H.Hetland, K.F.Holme, A.K.Jacholkowski, A.Jones, G.T.Jovanovic, P.Jusko, A.Kamermans, R.Kinson, J.B.Knudson, K.Kolozhvari, A.A.Kondratiev, V.Kralik, I.Kravcakova, A.Kuijer, P.Lenti, V.Lietava, R.Lovhoiden, G.Manzari, V.Martinska, G.Mazzoni, M.A.Meddi, F.Michalon, A.Morando, M.Nappi, E.Navach, F.Norman, P.I.Palmeri, A.Pappalardo, G.S.Pastircak, B.Pisut, JanPisutova, N.Posa, F.Quercigh, E.Riggi, F.Rohrich, D.Romano, G.Safark, K.Sandor, L.Schillings, E.Segato, G.Sene, M.Sene, R.Snoeys, W.Soramel, F.Spyropoulou-Stassinaki, M.Staroba, P.Toulin, T.A.Turrisi, R.Tveter, T.S.Urban, J.Valiev, F.van den Brink, A.van de Ven, P.Vande Vyvre, P.van Eijndhoven, N.van Hunen, J.Vascotto, A.Vik, T.Villalobos Baillie, O.Vinogradov, L.Virgili, T.Votruba, M.F.Vrlakova, J.Zavada, P.Energy dependence of hyperon production in nucleus-nucleus collisions at SPSNuclear Physics - ExperimentA measurement of strange baryon and antibaryon production in Pb-Pb collisions has been carried out by the NA57 experiment at the CERN SPS, with 40 and 158 A GeV/c beam momentum. Results on $\Lambda$, $\Xi$ and $\Omega$ hyperon yields at mid-rapidity in the most central 53% of Pb-Pb collisions at 40 A GeV/c are presented and compared with those obtained at higher energy, in the same collision centrality range. The $\Lambda$ and $\Xi^-$ yields per unit rapidity stay roughly constant while those of $\Omega^-$, $\bar\Lambda$, $\bar\Xi^+$ and $\bar\Omega^+$ increase when going to the higher SPS energy. Hyperon yields at the SPS are compared with those from the STAR experiment in $\sqrt{s_{NN}}$ = 130 GeV Au-Au collisions at RHIC.nucl-ex/0403022oai:cds.cern.ch:7245462004
spellingShingle Nuclear Physics - Experiment
Antinori, F.
Bacon, P.A.
Badala, A.
Barbera, R.
Belogianni, A.
Bhasin, A.
Bloodworth, I.J.
Bombara, M.
Bruno, G.E.
Bull, S.A.
Caliandro, R.
Campbell, M.
Carena, Wisla
Carrer, N.
Clarke, R.F.
Dainese, A.
de Haas, A.P.
de Rijke, P.C.
Di Bari, D.
Di Liberto, S.
Divia, R.
Elia, D.
Evans, D.
Feofilov, G.A.
Fini, R.A.
Ganoti, P.
Ghidini, B.
Grella, G.
Helstrup, H.
Hetland, K.F.
Holme, A.K.
Jacholkowski, A.
Jones, G.T.
Jovanovic, P.
Jusko, A.
Kamermans, R.
Kinson, J.B.
Knudson, K.
Kolozhvari, A.A.
Kondratiev, V.
Kralik, I.
Kravcakova, A.
Kuijer, P.
Lenti, V.
Lietava, R.
Lovhoiden, G.
Manzari, V.
Martinska, G.
Mazzoni, M.A.
Meddi, F.
Michalon, A.
Morando, M.
Nappi, E.
Navach, F.
Norman, P.I.
Palmeri, A.
Pappalardo, G.S.
Pastircak, B.
Pisut, Jan
Pisutova, N.
Posa, F.
Quercigh, E.
Riggi, F.
Rohrich, D.
Romano, G.
Safark, K.
Sandor, L.
Schillings, E.
Segato, G.
Sene, M.
Sene, R.
Snoeys, W.
Soramel, F.
Spyropoulou-Stassinaki, M.
Staroba, P.
Toulin, T.A.
Turrisi, R.
Tveter, T.S.
Urban, J.
Valiev, F.
van den Brink, A.
van de Ven, P.
Vande Vyvre, P.
van Eijndhoven, N.
van Hunen, J.
Vascotto, A.
Vik, T.
Villalobos Baillie, O.
Vinogradov, L.
Virgili, T.
Votruba, M.F.
Vrlakova, J.
Zavada, P.
Energy dependence of hyperon production in nucleus-nucleus collisions at SPS
title Energy dependence of hyperon production in nucleus-nucleus collisions at SPS
title_full Energy dependence of hyperon production in nucleus-nucleus collisions at SPS
title_fullStr Energy dependence of hyperon production in nucleus-nucleus collisions at SPS
title_full_unstemmed Energy dependence of hyperon production in nucleus-nucleus collisions at SPS
title_short Energy dependence of hyperon production in nucleus-nucleus collisions at SPS
title_sort energy dependence of hyperon production in nucleus-nucleus collisions at sps
topic Nuclear Physics - Experiment
url https://dx.doi.org/10.1016/j.physletb.2004.05.025
http://cds.cern.ch/record/724546
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