Antiproton-proton annihilation at rest into ΚLΚSπ0π0

被引：38

作者：

Abele, A ^{[1
]}

Adomeit, J

Amsler, C

Baker, CA

Barnett, BM

Batty, CJ

Benayoun, M

Berdoz, A

Beuchert, K

Bischoff, S

Blum, P

Braune, K

Bugg, DV

Case, T

Cramer, O

Crede, V

Crowe, KM

Degener, T

Djaoshvili, N

von Dombrowski, S

Doser, M

Dunnweber, W

Ehmanns, A

Engelhardt, D

Faessler, MA

Felix, C

Giarritta, P

Haddock, RP

Heinsius, FH

Heinzelmann, M

Herz, M

Hessey, NP

Hidas, P

Hodd, C

Holtzhaussen, C

Jamnik, D

Kalinowsky, H

Kammle, B

Kammel, P

Kisiel, J

Klempt, E

Koch, H

Kolo, C

Kunze, M

Kurilla, U

Lakata, M

Landua, R

Matthay, H

McCrady, R

Meier, J

机构：

[1] Univ Karlsruhe, D-76021 Karlsruhe, Germany

[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[3] Ruhr Univ Bochum, D-44780 Bochum, Germany

[4] Univ Bonn, D-53115 Bonn, Germany

[5] Hungarian Acad Sci, H-1525 Budapest, Hungary

[6] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[7] CERN, CH-1211 Geneva 23, Switzerland

[8] Univ Hamburg, D-22761 Hamburg, Germany

[9] Univ London Queen Mary & Westfield Coll, London E1 4NS, England

来源：

PHYSICS LETTERS B | 1997年 / 415卷 / 03期

基金：

匈牙利科学研究基金会;

关键词：

D O I：

10.1016/S0370-2693(97)01268-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The annihilation channel (p) over bar p --> KLKS pi(0) pi(0) was studied with the Crystal Barrel detector at LEAR. This final state with negative C-parity is dominated by the strange resonances K*(892), K-1(1270), K-0*(1400) and K-0*(1430). In addition, a J(PC) = 1(+-) state is seen in the K*K decay mode. This state could be the isoscalar, axialvector h(1)' seen here with a mass of m = (1440 +/- 60)MeV/c(2) and a width of Gamma=(170 +/- 80)MeV/c(2). (C) 1997 Published by Elsevier Science B.V.

引用

页码：280 / 288

页数：9

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