Production of $\Xi^*$ resonances in $\Sigma ^{-}$ induced reactions at 345 GeV/c

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We report on a measurement of the differential and total cross sections of inclusive production of Xi * resonances in Sigma /sup -/- nucleus collisions at 345 GeV/c. The cross section for inclusive Xi /sub 1530//sup 0/ production is about a factor of 5 below that of Xi /sub 1320//sup -/ hyperons. Th...

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Autores principales: Adamovich, M I, Alexandrov, Yu A, Baranov, S P, Barberis, D, Beck, M, Bérat, C, Beusch, Werner, Boss, M, Brons, S, Brückner, W, Buénerd, M, Busch, C, Büscher, C, Charignon, F, Chauvin, J, Chudakov, E A, Dersch, U, Dropmann, F, Engelfried, J, Faller, F, Fournier, A, Gerassimov, S G, Godbersen, M, Grafström, P, Haller, T, Heidrich, M, Hubbard, E L, Hurst, R B, Königsmann, K C, Konorov, I, Keller, N, Martens, K, Martin, P, Masciocchi, S, Michaels, R, Müller, U, Neeb, H, Newbold, D, Newsom, C R, Paul, S, Pochodzalla, J, Potashnikova, I K, Povh, B, Ransome, R D, Ren, Z, Epherre-Rey-Campagnolle, Marcelle, Rosner, G, Rossi, L, Rudolph, H, Scheel, C V, Schmitt, L, Siebert, Hans-Wolfgang, Simon, A, Smith, V, Thilmann, O, Trombini, A, Vesin, E, Volkemer, B, Vorwalter, K, Walcher, T, Wälder, G, Werding, R, Witmann, E, Zavertyaev, M V
Lenguaje:eng
Publicado: 1999
Materias:
Particle Physics - Experiment
Acceso en línea:http://cds.cern.ch/record/426222
_version_ 1780895076464984064
author Adamovich, M I
Alexandrov, Yu A
Baranov, S P
Barberis, D
Beck, M
Bérat, C
Beusch, Werner
Boss, M
Brons, S
Brückner, W
Buénerd, M
Busch, C
Büscher, C
Charignon, F
Chauvin, J
Chudakov, E A
Dersch, U
Dropmann, F
Engelfried, J
Faller, F
Fournier, A
Gerassimov, S G
Godbersen, M
Grafström, P
Haller, T
Heidrich, M
Hubbard, E L
Hurst, R B
Königsmann, K C
Konorov, I
Keller, N
Martens, K
Martin, P
Masciocchi, S
Michaels, R
Müller, U
Neeb, H
Newbold, D
Newsom, C R
Paul, S
Pochodzalla, J
Potashnikova, I K
Povh, B
Ransome, R D
Ren, Z
Epherre-Rey-Campagnolle, Marcelle
Rosner, G
Rossi, L
Rudolph, H
Scheel, C V
Schmitt, L
Siebert, Hans-Wolfgang
Simon, A
Smith, V
Thilmann, O
Trombini, A
Vesin, E
Volkemer, B
Vorwalter, K
Walcher, T
Wälder, G
Werding, R
Witmann, E
Zavertyaev, M V
author_facet Adamovich, M I
Alexandrov, Yu A
Baranov, S P
Barberis, D
Beck, M
Bérat, C
Beusch, Werner
Boss, M
Brons, S
Brückner, W
Buénerd, M
Busch, C
Büscher, C
Charignon, F
Chauvin, J
Chudakov, E A
Dersch, U
Dropmann, F
Engelfried, J
Faller, F
Fournier, A
Gerassimov, S G
Godbersen, M
Grafström, P
Haller, T
Heidrich, M
Hubbard, E L
Hurst, R B
Königsmann, K C
Konorov, I
Keller, N
Martens, K
Martin, P
Masciocchi, S
Michaels, R
Müller, U
Neeb, H
Newbold, D
Newsom, C R
Paul, S
Pochodzalla, J
Potashnikova, I K
Povh, B
Ransome, R D
Ren, Z
Epherre-Rey-Campagnolle, Marcelle
Rosner, G
Rossi, L
Rudolph, H
Scheel, C V
Schmitt, L
Siebert, Hans-Wolfgang
Simon, A
Smith, V
Thilmann, O
Trombini, A
Vesin, E
Volkemer, B
Vorwalter, K
Walcher, T
Wälder, G
Werding, R
Witmann, E
Zavertyaev, M V
author_sort Adamovich, M I
collection CERN
description We report on a measurement of the differential and total cross sections of inclusive production of Xi * resonances in Sigma /sup -/- nucleus collisions at 345 GeV/c. The cross section for inclusive Xi /sub 1530//sup 0/ production is about a factor of 5 below that of Xi /sub 1320//sup -/ hyperons. The products of cross section and branching ratio for the observed channels Xi /sub 1690//sup 0/ to Xi /sup -/ pi /sup +/, Xi /sub 1820//sup -/ to Xi /sub 1530//sup 0/ pi /sup -/ and Xi /sub 1950//sup -/ to Xi /sub 1530//sup 0/ pi /sup -/ are lower by yet another order of magnitude. The Xi /sub 1820//sup -/ and Xi /sub 1950//sup -/ resonances show significantly harder x/sub F / and p/sub t/ distributions than Xi /sup -/ and Xi /sub 1530//sup 0/ hyperons. A comparison of the x/sub F/-distribution to PYTHIA and QGSM predictions provides only a partial agreement. (29 refs).
id cern-426222
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1999
record_format invenio
spelling cern-4262222019-09-30T06:29:59Zhttp://cds.cern.ch/record/426222engAdamovich, M IAlexandrov, Yu ABaranov, S PBarberis, DBeck, MBérat, CBeusch, WernerBoss, MBrons, SBrückner, WBuénerd, MBusch, CBüscher, CCharignon, FChauvin, JChudakov, E ADersch, UDropmann, FEngelfried, JFaller, FFournier, AGerassimov, S GGodbersen, MGrafström, PHaller, THeidrich, MHubbard, E LHurst, R BKönigsmann, K CKonorov, IKeller, NMartens, KMartin, PMasciocchi, SMichaels, RMüller, UNeeb, HNewbold, DNewsom, C RPaul, SPochodzalla, JPotashnikova, I KPovh, BRansome, R DRen, ZEpherre-Rey-Campagnolle, MarcelleRosner, GRossi, LRudolph, HScheel, C VSchmitt, LSiebert, Hans-WolfgangSimon, ASmith, VThilmann, OTrombini, AVesin, EVolkemer, BVorwalter, KWalcher, TWälder, GWerding, RWitmann, EZavertyaev, M VProduction of $\Xi^*$ resonances in $\Sigma ^{-}$ induced reactions at 345 GeV/cParticle Physics - ExperimentWe report on a measurement of the differential and total cross sections of inclusive production of Xi * resonances in Sigma /sup -/- nucleus collisions at 345 GeV/c. The cross section for inclusive Xi /sub 1530//sup 0/ production is about a factor of 5 below that of Xi /sub 1320//sup -/ hyperons. The products of cross section and branching ratio for the observed channels Xi /sub 1690//sup 0/ to Xi /sup -/ pi /sup +/, Xi /sub 1820//sup -/ to Xi /sub 1530//sup 0/ pi /sup -/ and Xi /sub 1950//sup -/ to Xi /sub 1530//sup 0/ pi /sup -/ are lower by yet another order of magnitude. The Xi /sub 1820//sup -/ and Xi /sub 1950//sup -/ resonances show significantly harder x/sub F / and p/sub t/ distributions than Xi /sup -/ and Xi /sub 1530//sup 0/ hyperons. A comparison of the x/sub F/-distribution to PYTHIA and QGSM predictions provides only a partial agreement. (29 refs).oai:cds.cern.ch:4262221999
spellingShingle Particle Physics - Experiment
Adamovich, M I
Alexandrov, Yu A
Baranov, S P
Barberis, D
Beck, M
Bérat, C
Beusch, Werner
Boss, M
Brons, S
Brückner, W
Buénerd, M
Busch, C
Büscher, C
Charignon, F
Chauvin, J
Chudakov, E A
Dersch, U
Dropmann, F
Engelfried, J
Faller, F
Fournier, A
Gerassimov, S G
Godbersen, M
Grafström, P
Haller, T
Heidrich, M
Hubbard, E L
Hurst, R B
Königsmann, K C
Konorov, I
Keller, N
Martens, K
Martin, P
Masciocchi, S
Michaels, R
Müller, U
Neeb, H
Newbold, D
Newsom, C R
Paul, S
Pochodzalla, J
Potashnikova, I K
Povh, B
Ransome, R D
Ren, Z
Epherre-Rey-Campagnolle, Marcelle
Rosner, G
Rossi, L
Rudolph, H
Scheel, C V
Schmitt, L
Siebert, Hans-Wolfgang
Simon, A
Smith, V
Thilmann, O
Trombini, A
Vesin, E
Volkemer, B
Vorwalter, K
Walcher, T
Wälder, G
Werding, R
Witmann, E
Zavertyaev, M V
Production of $\Xi^*$ resonances in $\Sigma ^{-}$ induced reactions at 345 GeV/c
title Production of $\Xi^*$ resonances in $\Sigma ^{-}$ induced reactions at 345 GeV/c
title_full Production of $\Xi^*$ resonances in $\Sigma ^{-}$ induced reactions at 345 GeV/c
title_fullStr Production of $\Xi^*$ resonances in $\Sigma ^{-}$ induced reactions at 345 GeV/c
title_full_unstemmed Production of $\Xi^*$ resonances in $\Sigma ^{-}$ induced reactions at 345 GeV/c
title_short Production of $\Xi^*$ resonances in $\Sigma ^{-}$ induced reactions at 345 GeV/c
title_sort production of $\xi^*$ resonances in $\sigma ^{-}$ induced reactions at 345 gev/c
topic Particle Physics - Experiment
url http://cds.cern.ch/record/426222
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