SEARCH FOR EXCITED QUARKS IN P(P)OVER-BAR COLLISIONS AT ROOT-S=1.8TEV

被引:36
作者
ABE, F
ALBROW, M
AMIDEI, D
ANWAYWIESE, C
APOLLINARI, G
ARETI, H
AUCHINCLOSS, P
AZFAR, F
AZZI, P
BACCHETTA, N
BADGETT, W
BAILEY, MW
BAO, J
DEBARBARO, P
BARBAROGALTIERI, A
BARNES, VE
BARNETT, BA
BARTALINI, P
BAUER, G
BAUMANN, T
BEDESCHI, F
BEHRENDS, S
BELFORTE, S
BELLETTINI, G
BELLINGER, J
BENJAMIN, D
BENLLOCH, J
BENTON, D
BERETVAS, A
BERGE, JP
BERTOLUCCI, S
BHATTI, A
BIERY, K
BINKLEY, M
BIRD, F
BISELLO, D
BLAIR, RE
BLOCKER, C
BODEK, A
BOLOGNESI, V
BORTOLETTO, D
BOSWELL, C
BOULOS, T
BRANDENBURG, G
BUCKLEYGEER, E
BUDD, HS
BURKETT, K
BUSETTO, G
BYONWAGNER, A
BYRUM, KL
机构
[1] UNIV BOLOGNA,IST NAZL FIS NUCL,I-40126 BOLOGNA,ITALY
[2] DUKE UNIV,DURHAM,NC 27708
[3] IST NAZL FIS NUCL,LAB NAZL FRASCATI,I-00044 FRASCATI,ITALY
[4] FERMILAB NATL ACCELERATOR LAB,BATAVIA,IL 60510
[5] MCGILL UNIV,INST PARTICLE PHYS,MONTREAL H3A 2T8,QUEBEC,CANADA
[6] UNIV ILLINOIS,URBANA,IL 61801
[7] UNIV TORONTO,TORONTO M5S 1A7,ONTARIO,CANADA
[8] MICHIGAN STATE UNIV,E LANSING,MI 48824
[9] UNIV NEW MEXICO,ALBUQUERQUE,NM 87131
[10] UNIV PADUA,IST NAZL FIS NUCL,I-35131 PADUA,ITALY
[11] UNIV PISA,IST NAZL FIS NUCL,I-56100 PISA,ITALY
[12] UNIV ROCHESTER,ROCHESTER,NY 14627
[13] RUTGERS STATE UNIV,PISCATAWAY,NJ 08854
[14] SUPERCONDUCTING SUPER COLLIDER LAB,DALLAS,TX 75237
[15] TEXAS A&M UNIV,COLLEGE STN,TX 77843
[16] UNIV TSUKUBA,TSUKUBA,IBARAKI 305,JAPAN
[17] UNIV WISCONSIN,MADISON,WI 53706
[18] BRANDEIS UNIV,WALTHAM,MA 02254
[19] UNIV CALIF LOS ANGELES,LOS ANGELES,CA 90024
[20] UNIV CHICAGO,CHICAGO,IL 60637
[21] HARVARD UNIV,CAMBRIDGE,MA 02138
[22] JOHNS HOPKINS UNIV,BALTIMORE,MD 21218
[23] NATL LAB HIGH ENERGY PHYS,TSUKUBA,IBARAKI 305,JAPAN
[24] LAWRENCE BERKELEY LAB,BERKELEY,CA 94720
[25] MIT,CAMBRIDGE,MA 02139
[26] OSAKA CITY UNIV,OSAKA 558,JAPAN
[27] UNIV PENN,PHILADELPHIA,PA 19104
[28] UNIV PITTSBURGH,PITTSBURGH,PA 15260
[29] SCUOLA NORMALE SUPER PISA,I-56100 PISA,ITALY
[30] PURDUE UNIV,W LAFAYETTE,IN 47907
[31] TUFTS UNIV,MEDFORD,MA 02155
[32] YALE UNIV,NEW HAVEN,CT 06511
关键词
D O I
10.1103/PhysRevLett.72.3004
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
If quarks are composite particles then excited states are expected. We have searched in ppBAR collisions for excited quarks (q*) which decay to common quarks by emitting a W boson (q* --> qW) or a photon (q* --> qgamma). The simplest model of excited quarks has been excluded for mass M* < 540 GeV/c2 at 95% confidence level.
引用
收藏
页码:3004 / 3008
页数:5
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