A MEASUREMENT OF THE PHASES OF THE CP-VIOLATING AMPLITUDES IN K0-]2-PI DECAYS AND A TEST OF CPT INVARIANCE

被引：127

作者：

CAROSI, R

CLARKE, P

COWARD, D

CUNDY, D

DOBLE, N

GATIGNON, L

GIBSON, V

GRAFSTROM, P

HAGELBERG, R

KESSELER, G

VANDERLANS, J

NELSON, HN

WAHL, H

BLACK, R

CANDLIN, DJ

MUIR, J

PEACH, KJ

BLUMER, H

HEINZ, R

KASEMANN, M

KLEINKNECHT, K

MAYER, P

PANZER, B

RENK, B

ROEHN, S

ROHRER, H

AUGE, E

CHASE, RL

FOURNIER, D

HEUSSE, P

ICONOMIDOUFAYARD, L

HARRUS, I

LUTZ, AM

SCHAFFER, AC

BERTANZA, L

BIGI, A

CALAFIURA, P

CALVETTI, M

CASALI, R

CERRI, C

FANTECHI, R

GARGANI, G

MANNELLI, T

NAPPI, A

PIERAZZINI, GM

BECKER, C

BURKHARDT, H

HOLDER, M

QUAST, G

ROST, M

机构：

[1] UNIV EDINBURGH,DEPT PHYS,EDINBURGH EH9 3J2,SCOTLAND

[2] UNIV MAINZ,INST PHYS,W-6500 MAINZ,GERMANY

[3] UNIV PARIS 11,ACCELERATEUR LINEAIRE LAB,F-91405 ORSAY,FRANCE

[4] INST NAZL FIS NUCL,DIPARTIMENTO FIS,I-56010 PISA,ITALY

[5] UNIV GESAMTHSCH SIEGEN,FACHBEREICH PHYS,W-5900 SIEGEN 21,GERMANY

来源：

PHYSICS LETTERS B | 1990年 / 237卷 / 02期

关键词：

D O I：

10.1016/0370-2693(90)91448-K

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The phases of the CP-violating amplitudes in K0→π+π- and K0→2π0 decays, φ+-=46.9°±2.2° and φ00=47.1°±2.8°, have been measured in the same experiment, and a direct comparison gives the phase difference φ00-φ+-=0.2°±2.9°. This result leads to an upper limit on possible CPT violation in the K0 mass matrix, of |(mK-mK)/mK|<5×10-18 at the 95% confidence level and is the most stringent test of the equality of particle and antiparticle masses. © 1990.

引用

页码：303 / 312

页数：10

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