Published July 1987
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On short-distance CP-violating contributions to the KL,S→γγ processes
- 1. Oslo Univ. (Norway). Fysisk Inst.
- 2. Institut Rudjer Boskovic, Zagreb (Yugoslavia)
Description
New short-distance penguin-induced quark diagrams for Ko anti (Ko) → γγ within the standard model are considered. These diagrams leave the total CP-conserving amplitude essentially unchanged. However, the CP-violating amplitude receives a sizeable contribution comparable with the pole contribution, which has so far been considered to be the only contribution including direct CP-violation
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Additional details
Publishing Information
- Imprint Pagination
- 13 p.
- Report number
- OUP--87-19
INIS
- Country of Publication
- Norway
- Country of Input or Organization
- Norway
- INIS RN
- 18098886
- Subject category
- S63: RADIATION, THERMAL, AND OTHER ENVIRONMENTAL POLLUTANT EFFECTS ON LIVING ORGANISMS AND BIOLOGICAL MATERIALS;
- Descriptors DEI
- ANTIKAONS NEUTRAL; CP INVARIANCE; DECAY AMPLITUDES; DIAGRAMS; INTERACTION RANGE; KAON REACTIONS; KAONS NEUTRAL LONG-LIVED; KAONS NEUTRAL SHORT-LIVED; QUARK MODEL; WEAK HADRONIC DECAY
- Descriptors DEC
- AMPLITUDES; ANTIKAONS; ANTIMATTER; ANTIMESONS; ANTIPARTICLES; BOSONS; COMPOSITE MODELS; DECAY; DISTANCE; ELEMENTARY PARTICLES; HADRON REACTIONS; HADRONS; INFORMATION; INVARIANCE PRINCIPLES; KAONS; KAONS NEUTRAL; MATHEMATICAL MODELS; MATTER; MESON REACTIONS; MESONS; NUCLEAR REACTIONS; PARTICLE DECAY; PARTICLE MODELS; PSEUDOSCALAR ANTIMESONS; PSEUDOSCALAR MESONS; STRANGE PARTICLES; TRANSITION AMPLITUDES; WEAK PARTICLE DECAY