THE PSEUDOSCALAR MIXING ANGLE THETA(PS) FROM ETA AND ETA' PRODUCTION IN (P)OVER-BAR-P ANNIHILATION AT REST

被引：73

作者：

AMSLER, C

AUGUSTIN, I

BAKER, CA

BARNETT, BM

BATTY, CJ

BEUCHERT, K

BIRIEN, P

BISTIRLICH, J

BLUM, P

BOSSINGHAM, R

BOSSY, H

BRAUNE, K

BUGG, DV

BURCHELL, M

CASE, T

CHUNG, SU

COOPER, A

CROWE, KM

DIETZ, HP

VONDOMBROWSKI, S

DOSER, M

DUNNWEBER, W

ENGELHARDT, D

ENGLERT, M

FAESSLER, MA

FELIX, C

FOLGER, G

HACKMANN, R

HADDOCK, RP

HEINSIUS, FH

HESSEY, NP

HIDAS, P

ILLINGER, P

JAMNIK, D

KALINOWSKY, H

KAMMLE, B

KIEL, T

KISIEL, J

KLEMPT, E

KOBEL, M

KOCH, H

KOLO, C

KONIGSMANN, K

KUNZE, M

LANDUA, R

LUDEMANN, J

MATTHAEY, H

MERKEL, M

MERLO, JP

MEYER, CA

机构：

[1] UNIV KARLSRUHE,W-7500 KARLSRUHE,GERMANY

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

[3] UNIV MAINZ,W-6500 MAINZ,GERMANY

[4] RUHR UNIV BOCHUM,W-4630 BOCHUM,GERMANY

[5] LAWRENCE BERKELEY LAB,BERKELEY,CA 94720

[6] UNIV MUNICH,W-8000 MUNICH 2,GERMANY

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

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

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

[10] UNIV HAMBURG,W-2000 HAMBURG 13,GERMANY

[11] ACAD SCI BUDAPEST,H-1525 BUDAPEST,HUNGARY

[12] CTR RECH NUCL,F-67037 STRASBOURG,FRANCE

来源：

PHYSICS LETTERS B | 1992年 / 294卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(92)91547-M

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have determined ratios of branching ratios for ppBAR annihilations at rest into pi0eta and pi0eta', into etaeta and etaeta', and into omegaeta and omegaeta'. All reactions are observed in two different all-neutral final states. The ratios permit a determination of the pseudoscalar mixing angle. We find THETA(PS) = -(17.3 +/- 1.8)-degrees.

引用

页码：451 / 456

页数：6

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