Determination of spin and parity of D?(s) mesons
Küçük Resim Yok
Tarih
2023
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Elsevier
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
The spin and parity of the charmed mesons Ds*+, D*0 and D*+ are determined for the first time to be JP = 1- with significances greater than 10 sigma over other hypotheses of 2+ and 3-, using an e+e- collision data sample with an integrated luminosity of 3.19 fb-1 collected by the BESIII detector at a center-of-mass energy of 4.178 GeV. Different spin-parity hypotheses are tested via a helicity amplitude analysis of the processes e+e--> D*+ s Ds -, D*0D0 and D*+D-, with D*+ s -> Ds+ gamma, D*0 -> D0 pi 0, and D*+-> D+pi 0. The results confirm the quark model predictions. (c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses /by /4 .0/). Funded by SCOAP3.
Açıklama
Anahtar Kelimeler
Charmed Meson, Spin And Parity, Besiii
Kaynak
Physics Letters B
WoS Q Değeri
N/A
Scopus Q Değeri
Cilt
846
