Aaltonen, T;
Adelman, J;
Akimoto, T;
Albrow, MG;
Gonzalez, BA;
Amerio, S;
Amidei, D;
... Zucchelli, S; + view all
(2009)
Measurement of Resonance Parameters of Orbitally Excited Narrow B-0 Mesons.
Physical Review Letters
, 102
(10)
, Article 102003. 10.1103/PhysRevLett.102.102003.
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Abstract
We report a measurement of resonance parameters of the orbitally excited (L=1) narrow B-0 mesons in decays to B(*)+pi(-) using 1.7 fb(-1) of data collected by the CDF II detector at the Fermilab Tevatron. The mass and width of the B-2(*0) state are measured to be m(B-2(*0))=5740.2(-1.8)(+1.7)(stat)(-0.8)(+0.9)(syst) MeV/c(2) and Gamma(B-2(*0))=22.7(-3.2)(+3.8)(stat)(-10.2)(+3.2)(syst) MeV/c(2). The mass difference between the B-2(*0) and B-1(0) states is measured to be 14.9(-2.5)(+2.2)(stat)(-1.4)(+1.2)(syst) MeV/c(2), resulting in a B-1(0) mass of 5725.3(-2.2)(+1.6)(stat)(-1.5)(+1.4)(syst) MeV/c(2). This is currently the most precise measurement of the masses of these states and the first measurement of the B-2(*0) width.
Type: | Article |
---|---|
Title: | Measurement of Resonance Parameters of Orbitally Excited Narrow B-0 Mesons |
Open access status: | An open access version is available from UCL Discovery |
DOI: | 10.1103/PhysRevLett.102.102003 |
Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.102.102003 |
Language: | English |
Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
Keywords: | HEAVY-LIGHT MESONS, B-MESONS, DETECTOR, DECAYS, PACKAGE, PHYSICS |
UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
URI: | https://discovery-pp.ucl.ac.uk/id/eprint/131652 |
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