SEARCH FOR QUARK COMPOSITENESS, AXIGLUONS, AND HEAVY-PARTICLES USING THE DIJET INVARIANT MASS-SPECTRUM OBSERVED IN P(P)OVER-BAR COLLISIONS

被引：31

作者：

ABE, F

ALBROW, M

AKIMOTO, H

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

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

BROMBERG, C

BUCKLEYGEER, E

BUDD, HS

BURKETT, K

BUSETTO, G

BYONWAGNER, A

机构：

[1] PURDUE UNIV,W LAFAYETTE,IN 47907

[2] BRANDEIS UNIV,WALTHAM,MA 02254

[3] UNIV ROCHESTER,ROCHESTER,NY 14627

[4] UNIV BOLOGNA,IST NAZL FIS NUCL,I-40126 BOLOGNA,ITALY

[5] ROCKEFELLER UNIV,NEW YORK,NY 10021

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

[7] RUTGERS UNIV,PISCATAWAY,NJ 08854

[8] UNIV CHICAGO,CHICAGO,IL 60637

[9] DUKE UNIV,DURHAM,NC 27708

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

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

[12] UNIV WISCONSIN,MADISON,WI 53706

[13] IST NAZL FIS NUCL,LAB NAZL FRASCATI,I-00044 FRASCATI,ITALY

[14] HARVARD UNIV,CAMBRIDGE,MA 02138

[15] UNIV ILLINOIS,URBANA,IL 61801

[16] MCGILL UNIV,INST PARTICLE PHYS,MONTREAL H3A 2T8,QUEBEC,CANADA

[17] UNIV TORONTO,TORONTO M5S 1A7,ONTARIO,CANADA

[18] JOHNS HOPKINS UNIV,BALTIMORE,MD 21218

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

[20] LAWRENCE BERKELEY LAB,BERKELEY,CA 94720

[21] MIT,CAMBRIDGE,MA 02139

[22] UNIV MICHIGAN,ANN ARBOR,MI 48109

[23] MICHIGAN STATE UNIV,E LANSING,MI 48824

[24] UNIV NEW MEXICO,ALBUQUERQUE,NM 87131

[25] OSAKA CITY UNIV,OSAKA 588,JAPAN

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

[27] UNIV PENN,PHILADELPHIA,PA 19104

[28] UNIV PITTSBURGH,PITTSBURGH,PA 15260

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

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

[31] SUPERCOND SUPER COLLIDER LAB,DALLAS,TX 75237

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

[33] TUFTS UNIV,MEDFORD,MA 02155

[34] YALE UNIV,NEW HAVEN,CT 06511

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.71.2542

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The dijet invariant mass distribution has been measured in the region between 140 and 1000 GeV/c2, in 1.8 TeV ppBAR collisions. Data collected with the Collider Detector at Fermilab show agreement with QCD calculations. A limit on quark compositeness of LAMBDA(c) > 1.3 TeV is obtained. Axigluons with masses between 240 and 640 GeV/c2 are excluded at 95% C.L. if we assume ten open decay channels. Model-independent limits on the production of heavy particles decaying into two jets are also presented.

引用

页码：2542 / 2546

页数：5

共 18 条

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