PHI AND OMEGA-MESON PRODUCTION IN (N)-OVER-BAR-P ANNIHILATION AND THE OZI RULE

被引：51

作者：

ABLEEV, VG

AGNELLO, M

BALESTRA, F

BENDISCIOLI, G

BERTIN, A

BONAZZOLA, GC

BOTTA, E

BRESSANI, T

BRUSCHI, M

BUSSA, MP

BUSSO, L

CALVO, D

CAPPONI, M

CEREDA, B

CERELLO, P

CICALO, C

CORRADINI, M

COSTA, S

DECASTRO, S

DISEP, F

DONZELLA, A

FAVA, L

FELICIELLO, A

FERRERO, L

FILIPPI, A

FILIPPINI, V

FONTANA, A

GALLI, TD

GARFAGNINI, R

GASTALDI, U

GIACOBBE, B

GIANOTTI, P

GRASSO, A

GUARALDO, C

IAZZI, F

LANARO, A

RIZZINI, EL

LUCHERINI, V

MAGGIORA, A

MARCELLO, S

MARCONI, U

MARGAGLIOTTI, GV

MASONI, A

MINETTI, B

MONTAGNA, P

MORANDO, M

NICHITIU, F

NUPIERI, M

PANZIERI, D

PAULI, G

机构：

[1] INFN, I-09100 CAGLIARI, ITALY

[2] POLITECN TORINO, I-10125 TURIN, ITALY

[3] INFN, I-10125 TURIN, ITALY

[4] UNIV BRESCIA, DIPARTIMENTO ELETTR AUTOMAT, I-25060 BRESCIA, ITALY

[5] INFN, SEZ TORINO, I-25060 BRESCIA, ITALY

[6] UNIV PAVIA, DIPARTIMENTO FIS NUCL & TEOR, I-27100 PAVIA, ITALY

[7] INFN, SEZ PAVIA, I-27100 PAVIA, ITALY

[8] UNIV BOLOGNA, DIPARTIMENTO FIS, I-40100 BOLOGNA, ITALY

[9] INFN, I-40100 BOLOGNA, ITALY

[10] INFN, LAB NAZL LEGNARO, I-35020 LEGNANO, ITALY

[11] UNIV TURIN, IST FIS, I-10124 TURIN, ITALY

[12] JOINT INST NUCL RES, 10100 MOSCOW, RUSSIA

[13] INFN, LAB NAZL FRASCATI, I-00044 FRASCATI, ITALY

[14] UNIV TRIESTE, IST FIS, I-34127 TRIESTE, ITALY

[15] INFN, I-34127 TRIESTE, ITALY

[16] UNIV PADUA, DIPARTIMENTO FIS, I-35100 PADUA, ITALY

[17] INFN, I-35100 PADUA, ITALY

[18] UNIV FLORENCE, DIPARTIMENTO ENERGET, I-50121 FLORENCE, ITALY

[19] UNIV UDINE, IST FIS, I-33100 UDINE, ITALY

[20] INFN, SEZ TRIESTE, I-33100 UDINE, ITALY

来源：

PHYSICS LETTERS B | 1994年 / 334卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(94)90618-1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The phipi+/omegapi+ ratio from npBAR annihilations on a liquid hydrogen target, for nBAR momenta between 64 and 297 MeV/c, was measured using the OBELIX spectrometer at LEAR. The ratio R(phipi/omegapi) = sigma(npBAR --> phipi+)/sigma(npBAR --> omegapi+) turned out 0.110 +/- 0.015(stat) +/- 0.006syst. Implications of this result on the OZI rule are discussed.

引用

页码：237 / 243

页数：7

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