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Search for the decay Y(1S) → γη′

Abstract:
A study was carried out to search for the decay Υ → γη' with the decay mode η' → ηπ+π- and three decay modes of the η. Using simple, loose selection criteria, no candidates were found and the 90%C C.L. limit of B(Υ → γη') 1.6 × 10-5 was set.

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Authors


Richichi, SJ More by this author
Severini, H More by this author
Dytman, SA More by this author
Savinov, V More by this author
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Journal:
Physical Review Letters
Volume:
87
Issue:
14
Publication date:
2001-10-01
DOI:
ISSN:
0031-9007
URN:
uuid:e7c7605b-e2f1-4518-b575-fe0f85654ad8
Source identifiers:
321894
Local pid:
pubs:321894
Language:
English

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