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Titolo:
BARYON EMISSION AT TARGET RAPIDITIES IN SI+AL,CU,AU COLLISIONS AT 14.6A GEV C AND AU+AU COLLISIONS AT 11.7A GEV/C/
Autore:
AHLE L; AKIBA Y; BEAVIS D; BEERY P; BRITT HC; BUDICK B; CHASMAN C; CHEN Z; CHI CY; CHU YY; CIANCIOLO V; COLE BA; COSTALES JB; CRAWFORD HJ; CUMMING JB; DEBBE R; ENGELAGE J; FUNG SY; GONIN M; GUSHUE S; HAMAGAKI H; HAYANO RS; HAYASHI S; HOMMA S; KANEKO H; KANG J; KAUFMAN S; KEHOE WL; LEDOUX RJ; LEVINE MJ; MIAKE Y; MORRISON DP; MORSE RJ; MOSKOWITZ B; NAGAMIYA S; NAMBOODIRI MN; NAYAK TK; OLNESS J; PARSONS CG; REMSBERG LP; ROERICH D; ROTHSCHILD P; SAKURAI H; SANGSTER TC; SETO R; SHIGAKI K; SOLTZ R; STANKUS P; STEADMAN SG; STEPHANS GSF; SUNG T; TANAKA Y; TANNENBAUM MJ; THOMAS J; TONSE S; UENO S; VANDIJK JH; VIDEBAEK F; VOSSNACK O; VUSTADAKIS V; WANG FQ; WANG Y; WEGNER HE; WOODRUFF DS; WU YD; YAGI K; YANG X; ZACHARY D; ZAJC WA;
Indirizzi:
MIT,77 MASSACHUSETTS AVE CAMBRIDGE MA 02139 ARGONNE NATL LAB ARGONNE IL 60439 BROOKHAVEN NATL LAB UPTON NY 11973 UNIV CALIF BERKELEY,SPACE SCI LAB BERKELEY CA 94720 UNIV CALIF RIVERSIDE RIVERSIDE CA 92507 COLUMBIA UNIV NEW YORK NY 10027 NEVIS LABS IRVINGTON NY 10533 UNIV TOKYO,INST NUCL STUDY TOKYO 188 JAPAN KYOTO UNIV,SAKYO KU KYOTO 606 JAPAN KYUSHU UNIV FUKUOKA 812 JAPAN LAWRENCE LIVERMORE NATL LAB LIVERMORE CA 94550 NYU NEW YORK NY 10003 UNIV TOKYO,DEPT PHYS TOKYO 113 JAPAN UNIV TSUKUBA TSUKUBA IBARAKI 305 JAPAN YONSEI UNIV SEOUL 120749 SOUTH KOREA
Titolo Testata:
Physical review. C. Nuclear physics
fascicolo: 5, volume: 55, anno: 1997,
pagine: 2604 - 2614
SICI:
0556-2813(1997)55:5<2604:BEATRI>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
PARTICLE-PRODUCTION; SPECTROMETER; DETECTOR; DYNAMICS; PROTONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
22
Recensione:
Indirizzi per estratti:
Citazione:
L. Ahle et al., "BARYON EMISSION AT TARGET RAPIDITIES IN SI+AL,CU,AU COLLISIONS AT 14.6A GEV C AND AU+AU COLLISIONS AT 11.7A GEV/C/", Physical review. C. Nuclear physics, 55(5), 1997, pp. 2604-2614

Abstract

We report measurements of proton emission at target rapidities for minimum bias and central collisions of 14.6A GeV/c Si-28 With Al, Cu, and Au nuclei as well as minimum bias and central collisions of 11.7A GeV/c (197)AU with Au nuclei. Results for deuteron emission are also reported for the Si + Au reaction. The spectra span the laboratory angular range of 50 degrees less than or equal to theta less than or equal to 130 degrees and kinetic energy range of 40 MeV less than or equal toE-kin less than or equal to 225 MeV. Inverse slopes of proton spectraand proton dN/d eta values in the kinetic energy range 50 MeV less than or equal to E-kin less than or equal to 110 MeV are reported. The inverse slopes are 40-80 MeV for the various systems, generally increasing with increasing pseudorapidity. The dN/d eta values for A + A collisions within the restricted kinetic energy interval are compared to those for protons from p + Au in the literature. All pseudorapidity distributions have very similar shapes. The experimental results have been compared to the predictions of the nucleon-nucleon collision models ARC and RQMD. The predictions made by these two models for the distribution of protons at target rapidities are very similar to each other. However, there are significant differences between the model predictions and the experimental results in the details of the spectral slopes and the proton yields for different trigger conditions.

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Documento generato il 02/07/20 alle ore 19:25:21