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Measurement of the dipion mass spectrum in decays.

Abstract:

We measure the dipion mass spectrum in X(3872)--> J/psipi(+) pi(-) decays using 360 pb(-1) of pp collisions at square root s= 1.96 TeV collected with the CDF II detector. The spectrum is fit with predictions for odd C-parity ((3)S(1), (1)P(1), and (3)D(J)) charmonia decaying to J/psipi(+) pi(-), as well as even C-parity states in which the pions are from rho(0) decay. The latter case also encompasses exotic interpretations, such as a D(0)D(*0) molecule. Only the (3)S(1) and J/psirho hypoth...

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Authors


Abulencia, A More by this author
Adelman, J More by this author
Affolder, T More by this author
Akimoto, T More by this author
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Journal:
Physical review letters
Volume:
96
Issue:
10
Pages:
102002
Publication date:
2006-03-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:d4798d3e-308c-4bb4-93c8-76a3a174f0ca
Source identifiers:
267622
Local pid:
pubs:267622
Language:
English
Keywords:

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