Journal article
Indications of suppression of excited Υ states in Pb-Pb collisions at √(s(NN))=2.76 TeV.
- Abstract:
-
A comparison of the relative yields of Υ resonances in the μ(+)μ(-) decay channel in Pb-Pb and pp collisions at a center-of-mass energy per nucleon pair of 2.76 TeV is performed with data collected with the CMS detector at the LHC. Using muons of transverse momentum above 4 GeV/c and pseudorapidity below 2.4, the double ratio of the Υ(2S) and Υ(3S) excited states to the Υ(1S) ground state in Pb-Pb and pp collisions, [Υ(2S+3S)/Υ(1S)](Pb-Pb)/[Υ(2S+3S)/Υ(1S)](pp), is found to be 0.31(-0.15)(+0....
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- Publisher copy:
- 10.1103/PhysRevLett.107.052302
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Authors
Bibliographic Details
- Journal:
- Phys Rev Lett
- Volume:
- 107
- Issue:
- 5
- Pages:
- 052302
- Publication date:
- 2011-07-29
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- Source identifiers:
-
172519
Item Description
- Language:
- English
- Pubs id:
-
pubs:172519
- UUID:
-
uuid:7eed91f9-8dca-4ac5-94b0-84d3bdbccef0
- Local pid:
- pubs:172519
- Deposit date:
- 2013-11-16
Terms of use
- Copyright date:
- 2011
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