Antibaryon production in sulphur nucleus collisions at 200 GeV per nucleon

被引:0
|
作者
Alber, T
Appelshauser, H
Bachler, J
Bartke, J
Bialkowska, H
Bloomer, MA
Bock, R
Braithwaite, WJ
Brinkmann, D
Brockmann, R
Buncic, P
Chan, P
Cramer, JG
Cramer, PB
Derado, I
Eckardt, V
Eschke, J
Favuzzi, C
Ferenc, D
Fleischmann, B
Foka, P
Freund, P
Fuchs, M
Gazdzicki, M
Gladysz, E
Grebieszkow, J
Gunther, J
Harris, JW
Hoffmann, M
Jacobs, P
Kabana, S
Kadija, K
Kowalski, M
Kuhmichel, A
Lee, JY
Ljubicic, A
Margetis, S
Mitchell, JT
Morse, R
Nappi, E
Odyniec, G
Paic, G
Panagiotou, AD
Petridis, A
Piper, A
Posa, F
Poskanzer, AM
Puhlhofer, F
Rauch, W
Renfordt, R
机构
[1] UNIV ATHENS,DEPT PHYS,ATHENS,GREECE
[2] UNIV BARI,DIPARTIMENTO FIS,BARI,ITALY
[3] IST NAZL FIS NUCL,I-70126 BARI,ITALY
[4] LAWRENCE BERKELEY LAB,BERKELEY,CA
[5] INST NUCL PHYS,KRAKOW,POLAND
[6] GESELL SCHWERIONENFORSCH MBH,DARMSTADT,GERMANY
[7] UNIV FRANKFURT,FACHBEREICH PHYS,W-6000 FRANKFURT,GERMANY
[8] UNIV FREIBURG,FAK PHYS,W-7800 FREIBURG,GERMANY
[9] UNIV MARBURG,FACHBEREICH PHYS,W-3550 MARBURG,GERMANY
[10] UNIV WASHINGTON,SEATTLE,WA 98195
[11] UNIV WARSAW,INST EXPTL PHYS,WARSAW,POLAND
[12] INST NUCL STUDIES,PL-00681 WARSAW,POLAND
[13] RUDJER BOSKOVIC INST,ZAGREB,CROATIA
关键词
D O I
10.1016/0370-2693(95)01379-2
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Antiproton production near midrapidity has been studied in central collisions of S-32 With sulphur, silver and gold nuclei at 200 GeV per nucleon. The measured transverse mass distributions can be described by an exponential with inverse slope parameters of about 200 MeV, similar to those obtained from <(Lambda)over bar> spectra. The rapidity density increases weakly with the target mass, ranging from 0.4 to 0.7. The ratio <(Lambda)/(p)over bar> near midrapidity is approximately 1.4 on average, significantly larger than the corresponding ratio observed in proton-proton and proton-nucleus collisions.
引用
收藏
页码:56 / 62
页数:7
相关论文
共 50 条
  • [31] The production of ρ, ω and φ vector-mesons by protons and sulphur ions with incident momentum of 200 GeV/c per nucleon
    Abreu, NC
    Astruc, J
    Baglin, C
    Baldit, A
    Bedjidian, M
    Bordalo, P
    Borges, G
    Bussière, A
    Castor, J
    Chaurand, B
    Chevrot, I
    Cheynis, B
    Devaux, A
    Drapier, O
    Espagnon, B
    Fargeix, J
    Ferreira, R
    Force, P
    Gerschel, C
    Grossiord, JY
    Guichard, A
    Guimaraes, J
    Haroutunian, R
    Jouan, D
    Kluberg, L
    Lourenço, C
    Mourgues, S
    Petiau, P
    Pizzi, JR
    Quintans, C
    Ramos, S
    Romana, A
    Santos, H
    Saturnini, P
    Shahoyan, R
    Sonderegger, P
    Tarrago, X
    EUROPEAN PHYSICAL JOURNAL C, 2005, 44 (03): : 375 - 382
  • [32] FLUCTUATIONS IN MULTIPLE HADRON-PRODUCTION IN NUCLEUS-NUCLEUS COLLISIONS AT PO = 4.2 GEV/C PER NUCLEON
    BAATAR, T
    BATSAIKHAN, T
    GRISHIN, VG
    TOGOO, R
    SHARKHUU, G
    SOVIET JOURNAL OF NUCLEAR PHYSICS-USSR, 1991, 53 (01): : 129 - 131
  • [33] J/PSI AND MUON-PAIR CROSS-SECTIONS IN PROTON NUCLEUS AND NUCLEUS NUCLEUS COLLISIONS AT 200-GEV PER NUCLEON
    BAGLIN, C
    BALDISSERI, A
    BUSSIERE, A
    GUILLAUD, JP
    KOSSAKOWSKI, R
    LIAUD, P
    STALEY, F
    BALDIT, A
    CASTOR, J
    CHAMBON, T
    DEVAUX, A
    FARGEIX, J
    FELGEYROLLES, X
    FORCE, P
    FREDJ, L
    LANDAUD, G
    VAZEILLE, F
    SONDEREGGER, P
    ABREU, MC
    BORDALO, P
    FERREIRA, R
    GAGO, JM
    LOURENCO, C
    PERALTA, L
    RAMOS, S
    SILVA, S
    VARELA, J
    GERSCHEL, C
    JOUAN, D
    PAPILLON, S
    TARRAGO, X
    BUSSON, P
    CHARLOT, C
    CHAURAND, B
    KLUBERG, L
    ROMANA, A
    SALMERON, RA
    GORODETZKY, P
    GROSDIDIER, B
    RACCA, C
    CASES, R
    ALIMI, M
    BEDJIDIAN, M
    CONTARDO, D
    DESCROIX, E
    DRAPIER, O
    GROSSIORD, JY
    GUICHARD, A
    HAROUTUNIAN, R
    PIZZI, JR
    PHYSICS LETTERS B, 1991, 270 (01) : 105 - 110
  • [34] INCLUSIVE NEGATIVE PARTICLE P-PERPENDICULAR-TO-SPECTRA IN P-NUCLEUS AND NUCLEUS-NUCLEUS COLLISIONS AT 200 GEV PER NUCLEON
    AKESSON, T
    ALMEHED, S
    ANGELIS, ALS
    ARMENISE, N
    ATHERTON, H
    AUBRY, P
    BARTELS, HW
    BEAUDOIN, G
    BEAULIEU, JM
    BEKER, H
    BENARY, O
    BETTONI, D
    BISI, V
    BLEVIS, I
    BOGGILD, H
    CLELAND, W
    CLEMEN, M
    COLLICK, B
    CORRIVEAU, F
    DAGAN, S
    DEDERICHS, K
    DELLUOMO, S
    DEPOMMIER, P
    DEVENISH, RCE
    DILIBERTO, S
    DIGIACOMO, N
    DODD, JR
    DOGOLSHEIN, B
    DREES, A
    ENYO, H
    ERLANDSSON, B
    ESTEN, MJ
    FABJAN, CW
    FISCHER, P
    FRAENKEL, Z
    GAIDOT, A
    GIBRATDEBU, F
    GIUBELLINO, P
    GLASSEL, P
    GOERLACH, U
    HAGLUND, R
    HAMEL, LA
    VANHECKE, H
    HEDBERG, V
    HEIFETZ, R
    HOLSCHER, A
    JACAK, B
    JARLSKOG, G
    JOHANSSON, S
    KRANER, H
    ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1990, 46 (03): : 361 - 367
  • [35] Ξ hyperon production in sulphur-gold interactions at 200 GeV/nucleon
    Retyk, W
    JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 1997, 23 (12) : 1845 - 1850
  • [37] PROPERTIES OF PHOTONS AND DILEPTONS PRODUCED IN COLLISIONS AT 60 AND 200 GEV PER NUCLEON
    KLUBERG, L
    NUCLEAR PHYSICS A, 1988, 488 : C613 - C636
  • [38] Hyperon production in proton-sulphur collisions at 200 GeV/c
    Abatzis, S
    Andersen, E
    Andrighetto, A
    Antinori, F
    Bayes, AC
    Benayoun, M
    Beusch, W
    Bohm, J
    Carney, JN
    Carrer, N
    delaCruz, B
    Davies, JP
    DiBari, D
    Elia, D
    Evans, D
    Fanebust, K
    Fini, RA
    French, BR
    Ftacnik, J
    Ghidini, B
    Helstrup, H
    Holme, AK
    Jacholkowski, A
    Kahane, J
    Katchanov, VA
    Kinson, JB
    Kirk, A
    Knudson, K
    Kralik, I
    deGuevara, PL
    Lassalle, JC
    Lenti, V
    Leruste, P
    Lietava, R
    Loconsole, RA
    Lovhoiden, G
    Manzari, V
    Morando, M
    Narjoux, JL
    Navach, F
    Norman, KL
    Pellegrini, F
    Quercigh, E
    Ricci, RA
    Safarik, K
    Sandor, L
    Segato, G
    Sene, M
    Sene, R
    Sennels, P
    PHYSICS LETTERS B, 1997, 400 (1-2) : 239 - 244
  • [39] STRANGENESS PRODUCTION AT MID-RAPIDITY IN S+PB COLLISIONS AT 200 GEV/C PER NUCLEON
    ANDERSEN, E
    BARNES, PD
    BLAES, R
    CHERNEY, M
    DELACRUZ, B
    DIEBOLD, GE
    DULNY, B
    FERNANDEZ, C
    FRANKLIN, G
    GARABATOS, C
    GARZON, JA
    GEIST, W
    GREINER, DE
    GRUHN, CR
    HAFIDOUNI, M
    HRUBEC, J
    JONES, PG
    JUDD, EG
    KUIPERS, JPM
    LADREM, M
    DEGUEVARA, PL
    LOVHOIDEN, G
    MACNAUGHTON, J
    MOSQUERA, J
    NATKANIEC, Z
    NELSON, JM
    NEUHOFER, G
    OGLE, WC
    DELOSHEROS, CP
    PLO, M
    PORTH, P
    POWELL, B
    QUINN, B
    RAMIL, A
    ROHRINGER, H
    SAKREJDA, I
    THORSTEINSEN, TF
    TRAXLER, J
    VOLTOLINI, C
    WOZNIAK, K
    YANEZ, A
    YEE, Y
    ZYBERT, R
    PHYSICS LETTERS B, 1992, 294 (01) : 127 - 130
  • [40] Strangeness production in nuclear interactions at 200 A GeV and the number of nucleon-nucleon collisions
    Roman Lietava
    Ján Pišút
    The European Physical Journal C - Particles and Fields, 1998, 5 : 135 - 141