Journal article
Precision measurement of the X(3872) mass in J/ψπ+π- decays
- Abstract:
-
We present an analysis of the mass of the X(3872) reconstructed via its decay to J/ψπ+π- using 2.4fb-1 of integrated luminosity from pp̄ collisions at s=1.96TeV, collected with the CDF II detector at the Fermilab Tevatron. The possible existence of two nearby mass states is investigated. Within the limits of our experimental resolution the data are consistent with a single state, and having no evidence for two states we set upper limits on the mass difference between two hypothetical states f...
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- Publisher copy:
- 10.1103/PhysRevLett.103.152001
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Authors
Bibliographic Details
- Journal:
- Physical Review Letters
- Volume:
- 103
- Issue:
- 15
- Publication date:
- 2009-10-05
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- Source identifiers:
-
106093
Item Description
- Language:
- English
- Pubs id:
-
pubs:106093
- UUID:
-
uuid:45bdd638-e460-4708-a67f-a7fe283b6528
- Local pid:
- pubs:106093
- Deposit date:
- 2012-12-19
Terms of use
- Copyright date:
- 2009
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