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Title: | Studies of Bs2∗(5840)0 and B S 1(5830) 0 Mesons Including the Observation of the Bs2∗(5840)0→b0ks0 Decay in Proton-Proton Collisions at √s=8tev | Authors: | Sirunyan, A.M. Tumasyan, A. Adam, W. Ambrogi, F. Asilar, E. Bergauer, T. Bachiller, I. |
Keywords: | B Hadrons Cms Experimental Results Hadron Spectroscopy Heavy Flavour Spectroscopy Physics |
Publisher: | Springer Nature | Abstract: | Measurements of Bs2∗(5840)0 and B s 1(5830) 0 mesons are performed using a data sample of proton-proton collisions corresponding to an integrated luminosity of [InlineEquation not available: see fulltext.], collected with the CMS detector at the LHC at a centre-of-mass energy of 8TeV. The analysis studies P-wave Bs0 meson decays into B (∗) +K - and B(∗)0KS0, where the B + and B 0 mesons are identified using the decays B +→ J / ψK + and B 0→ J / ψK ∗(892) 0. The masses of the P-wave Bs0 meson states are measured and the natural width of the Bs2∗(5840)0 state is determined. The first measurement of the mass difference between the charged and neutral B ∗ mesons is also presented. The Bs2∗(5840)0 decay to B0KS0 is observed, together with a measurement of its branching fraction relative to the Bs2∗(5840)0→B+K- decay. © 2018, CERN for the benefit of the CMS collaboration. | URI: | https://doi.org/10.1140/epjc/s10052-018-6390-z | ISSN: | 1434-6044 |
Appears in Collections: | PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection Rectorate / Rektörlük Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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