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Search for the familon via B-+/-->pi X-+/-(0), B-+/-->(KX0)-X-+/-, and B-0 ->(KSX0)-X-0 decays

Abstract:
A search for the decay of the meson B±→H±X0 and B0→Ks0X0 was performed. The upper limits for the branching fractions constrained new physics leading to two-body B decays involving any massless neutral feebly interacting particle X0. The first lower bound on the family symmetry breaking scale involving the third generation of quarks at 108 GeV was obtained by applying the limit to the case where X0 was a familon.
Publication status:
Published

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Journal:
Physical Review Letters More from this journal
Volume:
87
Issue:
27
Pages:
2718011-2718015
Publication date:
2001-12-31
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Pubs id:
pubs:27367
UUID:
uuid:fbbda0cf-56de-40a4-9c8d-7b8e368897eb
Local pid:
pubs:27367
Source identifiers:
27367
Deposit date:
2012-12-19

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