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Observation of a narrow meson state decaying to D(+)(s)pi(0) at a mass of 2.32 GeV/c(2).

Abstract:

We have observed a narrow state near 2.32 GeV/c(2) in the inclusive D(+)(s)pi(0) invariant mass distribution from e(+)e(-) annihilation data at energies near 10.6 GeV. The observed width is consistent with the experimental resolution. The small intrinsic width and the quantum numbers of the final state indicate that the decay violates isospin conservation. The state has natural spin-parity and the low mass suggests a J(P)=0(+) assignment. The data sample corresponds to an integrated luminosit...

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Publication status:
Published

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Authors


Boutigny, D More by this author
Gaillard, JM More by this author
Hicheur, A More by this author
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Journal:
Physical review letters
Volume:
90
Issue:
24
Pages:
242001
Publication date:
2003-06-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:67ee36d4-cbe9-4ee4-bbbc-fd02905e0d37
Source identifiers:
17898
Local pid:
pubs:17898
Language:
English
Keywords:

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