Title
Measurement of resonance parameters of orbitally excited narrow <tex>$B^{0}$</tex> mesons Measurement of resonance parameters of orbitally excited narrow <tex>$B^{0}$</tex> mesons
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
102(2009) :10 , p. 102003,1-102003,7
ISSN
0031-9007
ISI
000264139500016
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We report a measurement of resonance parameters of the orbitally excited (L=1) narrow B0 mesons in decays to B(*)+π- using 1.7  fb-1 of data collected by the CDF II detector at the Fermilab Tevatron. The mass and width of the B2*0 state are measured to be m(B2*0)=5740.2-1.8+1.7(stat)-0.8+0.9(syst)  MeV/c2 and Γ(B2*0)=22.7-3.2+3.8(stat)-10.2+3.2(syst)  MeV/c2. The mass difference between the B2*0 and B10 states is measured to be 14.9-2.5+2.2(stat)-1.4+1.2(syst)  MeV/c2, resulting in a B10 mass of 5725.3-2.2+1.6(stat)-1.5+1.4(syst)  MeV/c2. This is currently the most precise measurement of the masses of these states and the first measurement of the B2*0 width.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/e4d16c/4e0fff28.pdf
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