Studies of Bs2∗ <sup>(5840)0</sup> and B <inf>s 1</inf> (5830) <sup>0</sup> mesons including the observation of the Bs2∗ <sup>(5840)0</sup> → <sup>B0</sup> KS0 decay in proton-proton collisions at √s=8TeV
File(s)
Published version
Author(s)
Type
Journal Article
Abstract
© 2018, CERN for the benefit of the CMS collaboration. 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.
Date Issued
2018-11-01
Date Acceptance
2018-10-29
Citation
European Physical Journal C, 2018, 78 (11)
ISSN
1434-6044
Publisher
Springer Verlag (Germany)
Journal / Book Title
European Physical Journal C
Volume
78
Issue
11
Replaces
10044/1/65373
Copyright Statement
© CERN, for the benefit of the CMS collaboration. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Identifier
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000450608400004&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
Subjects
Science & Technology
Physical Sciences
Physics, Particles & Fields
Physics
CMS
b hadrons
Heavy flavour spectroscopy
Hadron spectroscopy
Experimental results
QED RADIATIVE-CORRECTIONS
UNIVERSAL MONTE-CARLO
PHOTOS
Publication Status
Published
Article Number
939
Date Publish Online
2018-11-15