MEASUREMENT OF THE ISOLATED PROMPT PHOTON CROSS-SECTION IN (P)BAR-P COLLISIONS AT ROOT-S = 1.8 TEV

被引：47

作者：

ABE, F

AMIDEI, D

APOLLINARI, G

ATAC, M

AUCHINCLOSS, P

BADEN, AR

BACCHETTA, N

BAILEY, MW

BAMBERGER, A

DEBARBARO, P

BARNETT, BA

BARBAROGALTIERI, A

BARNES, VE

BAUMANN, T

BEDESCHI, F

BEHRENDS, S

BELFORTE, S

BELLETTINI, G

BELLINGER, J

BENJAMIN, D

BENSINGER, J

BERETVAS, A

BERGE, JP

BERTOLUCCI, S

BHADRA, S

BINKLEY, M

BISELLO, D

BLAIR, R

BLOCKER, C

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

CANER, A

CAREY, R

CARITHERS, W

CARLSMITH, D

CARROLL, JT

CASHMORE, R

CASTRO, A

CERVELLI, F

机构：

[1] BRANDEIS UNIV,WALTHAM,MA 02254

[2] UNIV CHICAGO,CHICAGO,IL 60637

[3] FERMI NATL ACCELERATOR LAB,BATAVIA,IL 60510

[4] IST NAZL FIS NUCL,LAB NAZL FRASCATI,FRASCATI,ITALY

[5] HARVARD UNIV,CAMBRIDGE,MA 02138

[6] UNIV ILLINOIS,URBANA,IL 61801

[7] JOHNS HOPKINS UNIV,BALTIMORE,MD 21218

[8] NATL LAB HIGH ENERGY PHYS,TSUKUBA,IBARAKI 305,JAPAN

[9] UNIV CALIF BERKELEY,LAWRENCE BERKELEY LAB,BERKELEY,CA 94720

[10] UNIV PADUA,IST NAZL FIS NUCL,I-35131 PADUA,ITALY

[11] UNIV PENN,PHILADELPHIA,PA 19104

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

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

[14] PURDUE UNIV,W LAFAYETTE,IN 47907

[15] UNIV ROCHESTER,ROCHESTER,NY 14627

[16] ROCKEFELLER UNIV,NEW YORK,NY 10021

[17] RUTGERS STATE UNIV,PISCATAWAY,NJ 08854

[18] TEXAS A&M UNIV SYST,COLLEGE STN,TX 77843

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

[20] TUFTS UNIV,MEDFORD,MA 02155

[21] UNIV WISCONSIN,MADISON,WI 53706

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 68卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.68.2734

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a measurement of the cross section for production of isolated prompt photons in ppBAR collisions at square-root s = 1.8 TeV. The cross section, measured as a function of transverse momentum (P(T)), agrees qualitatively with QCD calculations but has a steeper slope at low P(T).

引用

页码：2734 / 2738

页数：5

共 9 条

[1] THE CDF DETECTOR - AN OVERVIEW [J].

ABE, F ;

AMIDEI, D ;

APOLLINARI, G ;

ASCOLI, G ;

ATAC, M ;

AUCHINCLOSS, P ;

BADEN, AR ;

BARBAROGALTIERI, A ;

BARNES, VE ;

BARSOTTI, E ;

BEDESCHI, F ;

BELFORTE, S ;

BELLETTINI, G ;

BELLINGER, J ;

BENSINGER, J ;

BERETVAS, A ;

BERGE, P ;

BERTOLUCCI, S ;

BHADRA, S ;

BINKLEY, M ;

BLAIR, R ;

BLOCKER, C ;

BOFILL, J ;

BOOTH, AW ;

BRANDENBURG, G ;

BRENNER, A ;

BROWN, D ;

BYON, A ;

BYRUM, KL ;

CAMPBELL, M ;

CAREY, R ;

CARITHERS, W ;

CARLSMITH, D ;

CARROLL, JT ;

CASHMORE, R ;

CERVELLI, F ;

CHADWICK, K ;

CHAPIN, T ;

CHIARELLI, G ;

CHINOWSKY, W ;

CIHANGIR, S ;

CLINE, D ;

CONNOR, D ;

CONTRERAS, M ;

COOPER, J ;

CORDELLI, M ;

CURATOLO, M ;

DAY, C ;

DELFABBRO, R ;

DELLORSO, M .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1988, 271 (03) :387-403

[2] MEASUREMENT OF THE W-BOSON MASS IN 1.8-TEV PBARP COLLISIONS [J].

ABE, F .

PHYSICAL REVIEW D, 1991, 43 (07) :2070-2093

[3]

ABE F, 1992, FERMILABPUB9201E REP

[4] A MEASUREMENT OF THE DIRECT PHOTON PRODUCTION CROSS-SECTION AT THE CERN PBARP COLLIDER [J].

ALITTI, J .

PHYSICS LETTERS B, 1991, 263 (3-4) :544-550

[5] A CALCULATION OF THE DIRECT PHOTON PLUS JET CROSS-SECTION IN THE NEXT-TO-LEADING-LOGARITHM APPROXIMATION [J].

BAER, H ;

OHNEMUS, J ;

OWENS, JF .

PHYSICS LETTERS B, 1990, 234 (1-2) :127-131

[6] CALCULATIONS OF PROMPT-PHOTON PRODUCTION IN QCD [J].

BERGER, EL ;

QIU, JW .

PHYSICAL REVIEW D, 1991, 44 (07) :2002-2024

[7] PARTON DISTRIBUTIONS AT SMALL X [J].

KWIECINSKI, J ;

MARTIN, AD ;

STIRLING, WJ ;

ROBERTS, RG .

PHYSICAL REVIEW D, 1990, 42 (11) :3645-3659

[8]

PILON E, 1991, 26 P REC MOR LES ARC

[9]

SCHUB MH, 1989, THESIS PURDUE U

← 1 →