20.500.12556/DKUM-66467 Search for B decays to final states with the η c meson 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. exotics quarkonium e+-e- experiments B physics particle and resonance production eksotika kvarkonij e+-e- eksperimenti B fizika produkcija delcev in resonance true false true Angleški jezik Slovenski jezik Znanstveno delo 2017-06-27 13:00:49 2017-06-27 13:01:56 2022-07-11 03:07:08 2019-07-11 15:48:31 2015 0 0 str. 1-23 št. 6 Letn. 2015 2015 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 1029-8479 539.1 1314148 29001255 10.1007/JHEP06(2015)132 1029-8479 URN:SI:UM:DK:B0VPUVEG Journal_of_High_Energy_Physics_2015_Vinokurova_et_al._Search_for_B_decays_to_final_states_with_the_η_c_meson.pdf Journal_of_High_Energy_Physics_2015_Vinokurova_et_al._Search_for_B_decays_to_final_states_with_the_η_c_meson.pdf 1 FF684E8B1F254CD6220E3A2E4D27865E 52722ec620bab57bab2e5cbb8806e2630e556226168011824d2aac8bcfefcc21 4ebc7cfa-7c0e-11eb-bb7a-00155d0001ca https://dk.um.si/Dokument.php?lang=slv&id=113201 Journal_of_High_Energy_Physics_2017_Vinokurova_et_al._Erratum_to_Search_for_B_decays_to_final_states_with_the_η_c_meson.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 1 26B45CA34FAD4D702D357F3BAC70DB64 fbaab93f1f7976ed1cf37366cdc2bb0a55dfa0c90f560e80e136fff804ff27ea 4ecb4d5f-7c0e-11eb-bb7a-00155d0001ca https://dk.um.si/Dokument.php?lang=slv&id=113203 http://link.springer.com/10.1007/JHEP06(2015)132 1 https://dk.um.si/Dokument.php?lang=slv&id=113200 Fakulteta za kemijo in kemijsko tehnologijo 0 0 0