MEASUREMENT OF DRELL-YAN ELECTRON AND MUON PAIR DIFFERENTIAL CROSS-SECTIONS IN (P)OVER-BAR-P COLLISIONS AT ROOT-S = 1.8 TEV

被引：18

作者：

ABE, F

ALBROW, M

AMIDEI, D

ANWAYWIESE, C

APOLLINARI, G

ATAC, M

AUCHINCLOSS, P

AZZI, P

BACCHETTA, N

BADEN, AR

BADGETT, W

BAILEY, MW

BAMBERGER, A

DEBARBARO, P

BARBAROGALTIERI, A

BARNES, VE

BARNETT, BA

BAUER, G

BAUMANN, T

BEDESCHI, F

BEHRENDS, S

BELFORTE, S

BELLETTINI, G

BELLINGER, J

BENJAMIN, D

BENLLOCH, J

BENSINGER, J

BERETVAS, A

BERGE, JP

BERTOLUCCI, S

BIERY, K

BHADRA, S

BINKLEY, M

BISELLO, D

BLAIR, R

BLOCKER, C

BLOOM, K

BODEK, A

BOLOGNESI, V

BOOTH, AW

BOSWELL, C

BRANDENBURG, G

BROWN, D

BUCKLEYGEER, E

BUDD, HS

BUSETTO, G

BYONWAGNER, A

BYRUM, KL

CAMPAGNARI, C

CAMPBELL, M

机构：

[1] BRANDEIS UNIV,WALTHAM,MA 02254

[2] UNIV CALIF LOS ANGELES,LOS ANGELES,CA 90024

[3] UNIV CHICAGO,CHICAGO,IL 60637

[4] DUKE UNIV,DURHAM,NC 27706

[5] FERMILAB NATL ACCELERATOR LAB,BATAVIA,IL 60510

[6] IST NAZL FIS NUCL,FRASCATI,ITALY

[7] HARVARD UNIV,CAMBRIDGE,MA 02138

[8] UNIV ILLINOIS,URBANA,IL 61801

[9] MCGILL UNIV,INST PARTICLE PHYS,MONTREAL H3A 2T5,QUEBEC,CANADA

[10] UNIV TORONTO,TORONTO M5S 1A1,ONTARIO,CANADA

[11] JOHNS HOPKINS UNIV,BALTIMORE,MD 21218

[12] LAWRENCE BERKELEY LAB,BERKELEY,CA 94720

[13] MIT,CAMBRIDGE,MA 02139

[14] UNIV MICHIGAN,ANN ARBOR,MI 48109

[15] UNIV NEW MEXICO,ALBUQUERQUE,NM 87131

[16] UNIV PADUA,INST NAZL FIS NUCL,I-35131 PADUA,ITALY

[17] UNIV PENN,PHILADELPHIA,PA 19104

[18] UNIV PITTSBURGH,PITTSBURGH,PA 15260

[19] UNIV PISA,IST NAZL FIS NUCL,I-56100 PISA,ITALY

[20] SCUOLA NORMALE SUPER PISA,I-56100 PISA,ITALY

[21] PURDUE UNIV,W LAFAYETTE,IN 47907

[22] UNIV ROCHESTER,ROCHESTER,NY 14627

[23] ROCKEFELLER UNIV,NEW YORK,NY 10021

[24] RUTGERS UNIV,PISCATAWAY,NJ 08854

[25] TEXAS A&M UNIV,COLL STN,TX 77843

[26] UNIV TSUKUBA,TSUKUBA,IBARAKI 305,JAPAN

[27] TUFTS UNIV,MEDFORD,MA 02155

[28] UNIV WISCONSIN,MADISON,WI 53706

来源：

PHYSICAL REVIEW D | 1994年 / 49卷 / 01期

关键词：

D O I：

10.1103/PhysRevD.49.R1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We measure the Drell-Yan differential cross section d2sigma/dM dy\Absolute value of y < 1 over the mass range 11 < M < 150 GeV/C2 using dielectron and dimuon data from ppBAR collisions at a center-of-mass energy of square-root s = 1.8 TeV. Our results show the 1/M3 dependence that is expected from the naive Drell-Yan model. In comparison to the predictions of recent QCD calculations we find our data favor those parton distribution functions with the largest quark contributions in the x interval 0.006 to 0.03.

引用

页码：R1 / R6

页数：6

共 26 条

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