Search for the charge-conjugation-forbidden decayω→ηπ0

A Starostin,D I Glazier,B M K Nefkens,D P Watts,R Beck,P Pedroni,T C Jude,A Polonski,E J Downie,W J Briscoe,D M Manley,M Kotulla,K Bantawa,E F Mcnicoll,B Krusche,A Koulbardis,I Supek,M Rost,V Metag,D Hornidge,J Ahrens,H J Arends,M Korolija,V Lisin,J R M Annand,G Rosner,O Jahn,S Cherepnya,K Livingston,I J D Macgregor,F Pheron,M Unverzagt,M Ostrick,D Branford,C M Tarbert,V L Kashevarov,J C Mcgeorge,R Gregor,R Kondratiev,I Suarez ,D Mekterović ,Saša Mićanović ,Y Maghrbi ,D I Sober ,L.v Filʼkov ,E Heid ,S Schumann ,J Robinson ,M H Sikora ,S Prakhov ,A Thomas ,S P Kruglov ,M Martínez ,J Brudvik ,M Thiel ,P Aguar Bartolomé ,A Braghieri ,V Bekrenev

doi:10.1103/physrevc.79.065201

Search for the charge-conjugation-forbidden decayω→ηπ0

A Starostin, D I Glazier + Show 56 more

https://doi.org/10.1103/physrevc.79.065201

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Journal: Physical review. C	Publication Date: Jun 4, 2009
Citations: 3

Affiliation: University of Bonn, University of Edinburgh, Johannes Gutenberg University Mainz, George Washington University, Kent State University, University of Giessen, Netherlands Institute for Radio Astronomy, University of Basel, Mount Allison University, Catholic University of America

#Mainz Microtron MAMI #Crystal Spectrometer + Show 8 more

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Abstract

A new upper limit of 2.3x10{sup -4} on the branching ratio of the decay {omega}{yields}{eta}{pi}{sup 0} has been obtained using the Crystal Ball multiphoton spectrometer at the Mainz Microtron MAMI. This decay is forbidden by charge-conjugation invariance of the strong and electromagnetic interactions. We have also obtained the upper limit of 2.3x10{sup -4} for the forbidden decay {omega}{yields}3{pi}{sup 0} and the upper limit of 2.4x10{sup -4} for {omega}{yields}2{pi}{sup 0}.

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