2026-04-14T08:52:34Zhttps://recercat.cat/oai/request

oai:recercat.cat:20.500.14342/32222026-01-21T02:51:45Zcom_2072_482405com_2072_183628col_2072_482415

Amplitude analysis of B0 → ¯D0K+π− decays Badalov, Alexey Calvo Gomez, Miriam Vilasis-Cardona, Xavier LHCb Collaboration - CERN Universitat Ramon Llull. La Salle CERN Gran col·lisionador d'hadrons (França i Suïssa) Col·lisions (Física nuclear) Partícules (Física nuclear) 539 The Dalitz plot distribution of B0→¯D0K+π− decays is studied using a data sample corresponding to 3.0  fb−1 of pp collision data recorded by the LHCb experiment during 2011 and 2012. The data are described by an amplitude model that contains contributions from intermediate K∗(892)0, K∗(1410)0, K∗2(1430)0 and D∗2(2460)− resonances. The model also contains components to describe broad structures, including the K∗0(1430)0 and D∗0(2400)− resonances, in the Kπ S-wave and the Dπ S- and P-waves. The masses and widths of the D∗0(2400)− and D∗2(2460)− resonances are measured, as are the complex amplitudes and fit fractions for all components included in the amplitude model. The model obtained will be an integral part of a future determination of the angle γ of the Cabibbo-Kobayashi-Maskawa quark mixing matrix using B0→DK+π− decays. 2015-07-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.14342/3222 https://doi.org/10.1103/PhysRevD.92.012012 eng Physical Review D, 2015, Vol.92, No.1 (Juliol) Attribution 4.0 International © CERN http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess 24 p. American Physical Society