INCLUSIVE NEUTRAL VECTOR-MESON PRODUCTION IN HADRONIC Z0 DECAYS

被引：0

作者：

ACTON, PD

ALEXANDER, G

ALLISON, J

ALLPORT, PP

ANDERSON, KJ

ARCELLI, S

ASTBURY, A

AXEN, D

AZUELOS, G

BAHAN, GA

BAINES, JTM

BALL, AH

BANKS, J

BARLOW, RJ

BARNETT, S

BATLEY, JR

BEAUDOIN, G

BECK, A

BECKER, J

BEHNKE, T

BELL, KW

BELLA, G

BERLICH, P

BETHKE, S

BIEBEL, O

BINDER, U

BLOODWORTH, IJ

BOCK, P

BODEN, B

BOSCH, HM

BOUGEROLLE, S

BREUKER, H

BROWN, RM

BUIJS, A

BURCKHART, HJ

CAPILUPPI, P

CARNEGIE, RK

CARTER, AA

CARTER, JR

CHANG, CY

CHARLTON, DG

CLARKE, PEL

COHEN, I

CLAYTON, JC

COLLINS, WJ

CONBOY, JE

COOPER, M

COUPLAND, M

CUFFIANI, M

DADO, S

机构：

[1] UNIV BIRMINGHAM,SCH PHYS & SPACE RES,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND

[2] UNIV BOLOGNA,DIPARTIMENTO FIS,I-40126 BOLOGNA,ITALY

[3] INFN,I-40126 BOLOGNA,ITALY

[4] UNIV BONN,INST PHYS,W-5300 BONN 1,GERMANY

[5] UNIV CALIF RIVERSIDE,DEPT NURSING,RIVERSIDE,CA 92521

[6] UNIV CAMBRIDGE,CAVENDISH LAB,CAMBRIDGE CB3 0HE,ENGLAND

[7] CARLETON UNIV,DEPT PHYS,OTTAWA K1S 5B6,ONTARIO,CANADA

[8] CARLETON UNIV,CTR RES PARTICLE PHYS,OTTAWA K1S 5B6,ONTARIO,CANADA

[9] CERN,CH-1211 GENEVA 23,SWITZERLAND

[10] UNIV CHICAGO,ENRICO FERMI INST,CHICAGO,IL 60637

[11] UNIV CHICAGO,DEPT PHYS,CHICAGO,IL 60637

[12] UNIV FREIBURG,FAK PHYS,W-7800 FREIBURG,GERMANY

[13] UNIV HEIDELBERG,DEPT PHYS,W-6900 HEIDELBERG,GERMANY

[14] INDIANA UNIV,DEPT PHYS,BLOOMINGTON,IN 47405

[15] UNIV LONDON,QUEEN MARY & WESTFIELD COLL,LONDON E1 4NS,ENGLAND

[16] UNIV LONDON BIRKBECK COLL,LONDON WC1E 7HV,ENGLAND

[17] UNIV LONDON UNIV COLL,LONDON WC1E 6BT,ENGLAND

[18] UNIV MANCHESTER,SCHUSTER LAB,DEPT PHYS,MANCHESTER M13 9PL,LANCS,ENGLAND

[19] UNIV MARYLAND,DEPT PHYS & ASTRON,COLL PK,MD 20742

[20] UNIV MONTREAL,PHYS NUCL LAB,MONTREAL H3C 3J7,QUEBEC,CANADA

[21] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND

[22] CENS,DPHPE,F-91191 GIF SUR YVETTE,FRANCE

[23] TECHNION ISRAEL INST TECHNOL,DEPT PHYS,IL-32000 HAIFA,ISRAEL

[24] TEL AVIV UNIV,DEPT PHYS & ASTRON,IL-69978 TEL AVIV,ISRAEL

[25] UNIV TOKYO,INT CTR ELEMENTARY PARTICLE PHYS,TOKYO 113,JAPAN

[26] UNIV TOKYO,DEPT PHYS,TOKYO 113,JAPAN

[27] KOBE UNIV,KOBE 657,JAPAN

[28] WEIZMANN INST SCI,DEPT NUCL PHYS,IL-76100 REHOVOT,ISRAEL

[29] UNIV HAMBURG,DESY,INST EXPTL PHYS 2,W-2000 HAMBURG 52,GERMANY

[30] UNIV VICTORIA,DEPT PHYS,VICTORIA V8W 3P6,BC,CANADA

[31] UNIV BRITISH COLUMBIA,DEPT PHYS,VANCOUVER V6T 1Z1,BC,CANADA

[32] UNIV OREGON,DEPT PHYS,EUGENE,OR 97403

[33] TRIUMF,VANCOUVER V6T 2A3,BC,CANADA

[34] MCGILL UNIV,IPP,DEPT HIGH ENERGY PHYS,MONTREAL H3A 2T8,QUEBEC,CANADA

[35] SHINSHU UNIV,MATSUMOTO,NAGANO 390,JAPAN

来源：

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1992年 / 56卷 / 04期

关键词：

D O I：

暂无

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Results are reported of a study of neutral vector meson production in multihadron Z0 decays in the OPAL experiment at LEP. Pions and kaons have been identified by specific ionisation energy loss and K+/- pi-/+ and K+K- mass spectra have been fitted. in bins of the scaled momentum variable x(p), to combinations of resonance signals and non-resonant backgrounds. Rates re given for K*(892)0 and phi (1020), and production cross sections are compared to the predictions of Monte Carlo models. Overall multiplicities have been determined as 0.76+/-0.07+/-0.06 K*(892)0 and 0.086+/-0.015+/-0.010 phi (1020) per hadronic Z0 decay (the quoted errors are respectively statistical and systematic). Momentum dependent distortions of the pipi mass spectra, possibly associated indirectly with Bose-Einstein effects. have prevented reliable measurement of the rho (770)0 cross section in this study.

引用

页码：521 / 535

页数：15

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