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Studies of the Deca...
Studies of the Decay η→π+π-π0 with WASA-at-COSY
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- Adlarson, Patrik, 1979- (författare)
- Uppsala universitet,Kärnfysik,WASA-at-COSY
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- Zlomanczuk, Jozef, Docent (preses)
- Uppsala universitet,Kärnfysik
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- Höistad, Bo, Professor Emeritus (preses)
- Uppsala universitet,Kärnfysik
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- Bossi, Fabio, Professor (opponent)
- Laboratori Nazionali di Fisica, INFN-LNF
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(creator_code:org_t)
- ISBN 9789155484767
- Uppsala : Acta Universitatis Upsaliensis, 2012
- Engelska 160 s.
- Relaterad länk:
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- In 2008 a large statistics sample of approximately 1·107 η-decays has been collected with the WASA detector at COSY using the pd→3Heη reaction at the beam kinetic energy of 1 GeV. These data are being used to study the not so rare η decays involving charged pions, like η→π+π-π0. This decay proceeds mainly via a strong isospin violating contribution, where the decay width is proportional to the light quark mass difference squared, (md-mu)2. In addition this decay can be used to search for C-violating effects. The analysis is presented and the Dalitz plot parameters with statistical and systematical uncertainties are determined from a sample of 1.33·105 η→π+π-π0 events in the Dalitz plot. The asymmetry parameters with statistical uncertainties are presented which show no evidence of C-violation.
Ämnesord
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Nyckelord
- Hadron physics
- Chiral Perturbation Theory
- Isospin violation
- Quark masses
- Symmetries
- Advanced Instrumentation
- Nuclear Physics
- Kärnfysik
Publikations- och innehållstyp
- vet (ämneskategori)
- dok (ämneskategori)
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