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Title:Search for B decays to final states with the η c meson
Authors:Vinokurova, A. (Author)
Bračko, Marko (Author)
Golob, Boštjan (Author)
Korpar, Samo (Author)
Križan, Peter (Author)
Pestotnik, Rok (Author)
Petrič, Marko (Author)
Ribežl, Eva (Author)
Stanič, Samo (Author)
Starič, Marko (Author)
Šantelj, Luka (Author)
Zupanc, Anže (Author)
Files:.pdf Journal_of_High_Energy_Physics_2017_Vinokurova_et_al._Erratum_to_Search_for_B_decays_to_final_states_with_the_η_c_meson.pdf (129,32 KB)
 
.pdf Journal_of_High_Energy_Physics_2015_Vinokurova_et_al._Search_for_B_decays_to_final_states_with_the_η_c_meson.pdf (593,82 KB)
 
URL http://link.springer.com/10.1007/JHEP06(2015)132
 
Language:English
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:We report a search for B decays to selected final states with the ηc meson: B± → K±ηcπ+π−, B± → K±ηcω, B± → K±ηcη and B± → K±ηcπ0. The analysis is based on 772 × 10^6 B¯B pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e− collider. We set 90% confidence level upper limits on the branching fractions of the studied B decay modes, independent of intermediate resonances, in the range (0.6–5.3)×10^−4. We also search for molecular-state candidates in the D^0 ¯D^∗0 − ¯D^0D^∗0, D^0 ¯D^0 + ¯D^0D^0 and D^∗0¯D^∗0 + ¯D^∗0D^∗0 combinations, neutral partners of the Z(3900)± and Z(4020)±, and a poorly understood state X(3915) as possible intermediate states in the decay chain, and set 90% confidence level upper limits on the product of branching fractions to the mentioned intermediate states and decay branching fractions of these states in the range (0.6–6.9)×10^−5.
Keywords:exotics, quarkonium, e+-e- experiments, B physics, particle and resonance production
Year of publishing:2015
Number of pages:str. 1-23
Numbering:št. 6, Letn. 2015
ISSN:1029-8479
UDC:539.1
ISSN on article:1029-8479
COBISS_ID:29001255 Link is opened in a new window
DOI:10.1007/JHEP06(2015)132 Link is opened in a new window
NUK URN:URN:SI:UM:DK:B0VPUVEG
License:CC BY 4.0
This work is available under this license: Creative Commons Attribution 4.0 International
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Record is a part of a journal

Title:The journal of high energy physics
Shortened title:J. high energy phys.
Publisher:Springer
ISSN:1029-8479
COBISS.SI-ID:1314148 New window

Secondary language

Language:Slovenian
Keywords:eksotika, kvarkonij, e+-e- eksperimenti, B fizika, produkcija delcev in resonance


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