RESULTS FROM (P)OVER-BAR-P-]PHI-PHI

被引：0
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作者：
BERTOLOTTO, L
BUZZO, A
DEBEVEC, PT
DRIJARD, D
EASO, S
EISENSTEIN, RA
EYRICH, W
FERROLUZZI, M
FRANZ, J
GEYER, R
HAMANN, N
HARRIS, P
HERTZOG, DW
HUGHES, SA
JOHANSSON, T
JONES, R
KILIAN, K
KIRSEBOM, K
KLETT, A
KORSMO, H
LOVETERE, M
MACRI, M
MARINELLI, M
MOUELLIC, B
OELERT, W
OHLSSON, S
PALANO, A
PASSAGGIO, S
PERREAU, JM
PIA, MG
POMP, S
REIMER, PE
RITTER, J
ROBUTTI, R
ROHRICH, K
ROOK, M
ROSSLE, E
SANTRONI, A
SCHMITT, H
STEINKAMP, O
STINZING, F
STUGU, B
TSCHEULIN, M
WIRTH, H
ZIPSE, H
机构：
[1] UNIV GENOA, GENOA, ITALY
[2] INFN, SEZ BARI, BARI, ITALY
[3] UNIV BARI, BARI, ITALY
[4] UNIV ERLANGEN NURNBERG, INST PHYS, W-8520 ERLANGEN, GERMANY
[5] CERN, CH-1211 GENEVA, SWITZERLAND
[6] UNIV ILLINOIS, URBANA, IL 61801 USA
[7] FORSCHUNGSZENTRUM JULICH, FORSCHUNGSZENTRUM, INST KERNPHYS, W-5170 JULICH, GERMANY
[8] UNIV OSLO, OSLO, NORWAY
[9] UPPSALA UNIV, UPPSALA, SWEDEN
来源：
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS | 1994年 / 107卷 / 11期
关键词：
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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：
The reaction ($) over bar pp --> phi phi is investigated in the JETSET (PS202) experiment using an internal target in LEAR. Data have been analysed at a variety of beam momenta from 1.2 GeV/c to 2.0 GeV/c, corresponding to centre-of-mass energies between 2.15 GeV and 2.43 GeV. A strong phi phi-signal was observed over the whole energy range, preliminary results giving phi phi-yields of (1-2)mu b. No evidence for narrow resonances was found within the accumulated statistics. The capability of the experiment to measure phi --> K+K- decay angular distributions and thus put constraints on the spin-parity quantum numbers of a possible resonant intermediate state is demonstrated.
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页码：2329 / 2337
页数：9
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