Study of D$_sJ^(*) +$ mesons decaying to D$^∗ +$ K$_S^0$ and D$^*0$ K$^+$ final statesстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 19 декабря 2016 г.
Аннотация:A search is performed for D(∗)+sJ mesons in the reactions pp→D∗+K0SX and pp→D∗0K+X using data collected at centre-of-mass energies of 7 and 8 TeV with the LHCb detector. For the D∗+K0S final state, the decays D∗+→D0π+ with D0→K−π+ and D0→K−π+π+π− are used. For D∗0K+, the decay D∗0→D0π0 with D0→K−π+ is used. A prominent Ds1(2536)+ signal is observed in both D∗+K0S and D∗0K+ final states. The resonances D∗s1(2700)+ and D∗s3(2860)+ are also observed, yielding information on their properties, including spin-parity assignments. The decay D∗s2(2573)+→D∗+K0S is observed for the first time, at a significance of 6.9 σ, and its branching fraction relative to the D∗s2(2573)+→D+K0S decay mode is measured.