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Titolo:
PROTON AND ANTIPROTON DISTRIBUTIONS AT MIDRAPIDITY IN PROTON-NUCLEUS AND SULFUR-NUCLEUS COLLISIONS
Autore:
BEARDEN IG; BOGGILD H; BOISSEVAIN J; DODD J; ESUMI S; FABJAN CW; FIELDS DE; FRANZ A; HANSEN AG; HOLZER EB; HUMANIC TJ; JACAK BV; JAYANTI R; KALECHOFSKY H; LEE YY; LELTCHOUK M; LORSTAD B; MAEDA N; MEDVEDV A; MIYABAYASHI A; MURRAY M; NISHIMURA S; PANDEY SU; PIUZ F; POLYCHRONAKOS V; POTEKHIN M; POULARD G; SAKAGUCHI A; SARABURA M; SPEGEL M; SIMONGILLO J; SONDHEIM W; SUGITATE T; SULLIVAN JP; SUMI Y; VANHECKE H; WILLIS WJ; WOLF K; XU N;
Indirizzi:
NIELS BOHR INST DK-2100 COPENHAGEN DENMARK LOS ALAMOS NATL LAB LOS ALAMOS NM 00000 COLUMBIA UNIV NEW YORK NY 10027 HIROSHIMA UNIV HIGASHIHIROSHIMA 724 JAPAN CERN CH-1211 GENEVA 23 SWITZERLAND OHIO STATE UNIV COLUMBUS OH 43210 UNIV PITTSBURGH PITTSBURGH PA 15260 LUND UNIV S-22362 LUND SWEDEN TEXAS A&M UNIV COLLEGE STN TX 77843 BROOKHAVEN NATL LAB UPTON NY 11973
Titolo Testata:
Physical review. C. Nuclear physics
fascicolo: 2, volume: 57, anno: 1998,
pagine: 837 - 846
SICI:
0556-2813(1998)57:2<837:PAADAM>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEAVY-ION COLLISIONS; INTERSECTING STORAGE-RINGS; MOMENTUM CHARGED PIONS; QUARK-GLUON PLASMA; INCLUSIVE PRODUCTION; BARYON PRODUCTION; DYNAMICS; HADRONS; X;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
21
Recensione:
Indirizzi per estratti:
Citazione:
I.G. Bearden et al., "PROTON AND ANTIPROTON DISTRIBUTIONS AT MIDRAPIDITY IN PROTON-NUCLEUS AND SULFUR-NUCLEUS COLLISIONS", Physical review. C. Nuclear physics, 57(2), 1998, pp. 837-846

Abstract

Experiment NA44 has measured proton and antiproton distributions at midrapidity in sulphur and proton collisions with nuclear targets at 200 and 450 GeV/c per nucleon respectively. The inverse slopes of transverse mass distributions increase with system size for both protons andantiprotons but are slightly lower for antiprotons. This could happenif antiprotons are annihilated in the nuclear medium. The antiproton yield increases with system size and centrality and is largest at midrapidity. The proton yield also increases with system size and centrality, but decreases from backward rapidity to midrapidity. The stopping of protons at these energies lies between the full stopping and nuclear transparency scenarios. The data are in reasonable agreement with RQMD predictions except for the antiproton yields from sulphur-nucleus collisions.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/12/20 alle ore 16:37:55