Publication: Observation of a vector charmoniumlike state in e(+)e(-) -> D-s(+) D-s1 (2536)(-) + c.c.
Дата
2019
Авторы
Jia, S.
Shen, C. P.
Yuan, C. Z.
Wang, X. L.
Pakhlov, P.
Journal Title
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Аннотация
Using a data sample of 921.9 fb(-1) collected with the Belle detector, we study the process of e(+)e(-)-> Ds+Ds1(2536)(-) + c.c. via initial-state radiation. We report the first observation of a vector charmoniumlike state decaying to Ds+Ds1(2536)(-) + c.c. with a significance of 5.9 sigma, including systematic uncertainties. The measured mass and width are (4625.9(-6.0)(+6.2)(stat)+/- 0.4(syst))MeV/c(2) and (49.8(-11.5)(+13.9)(stat) +/- 4.0(syst)) MeV, respectively. The product of the e(+)e(-)-> Ds+Ds1(2536)(-) + c.c. cross section and the branching fraction of D-s1 (2536)(-) ->( D) over bar *0K(-) is measured from the D-s(D) over bar (s1) (2536) threshold to 5.59 GeV.
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Цитирование
Observation of a vector charmoniumlike state in e(+)e(-) -> D-s(+) D-s1 (2536)(-) + c.c. / Jia, S [et al.] // Physical Review D. - 2019. - 100. - № 11. - 10.1103/PhysRevD.100.111103
URI
https://www.doi.org/10.1103/PhysRevD.100.111103
https://www.scopus.com/record/display.uri?eid=2-s2.0-85077912813&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000504983400001
https://openrepository.mephi.ru/handle/123456789/19231
https://www.scopus.com/record/display.uri?eid=2-s2.0-85077912813&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000504983400001
https://openrepository.mephi.ru/handle/123456789/19231