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Upper limit on the η→π+π− branching ratio with the KLOE detector
We have searched with the KLOE detector for the P and CP violating decay η→π+π− in a sample of 1.55×107η's from the decay ϕ→ηγ of ϕ-mesons produced in e+e− annihilations at DAΦNE. No signal is found. We obtain the upper limit BR(η→π+π−)
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Published in: | Physics letters. B 2005-01, Vol.606 (3-4), p.276-280 |
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Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | We have searched with the KLOE detector for the P and CP violating decay η→π+π− in a sample of 1.55×107η's from the decay ϕ→ηγ of ϕ-mesons produced in e+e− annihilations at DAΦNE. No signal is found. We obtain the upper limit BR(η→π+π−) |
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ISSN: | 0370-2693 1873-2445 |
DOI: | 10.1016/j.physletb.2004.12.025 |