التفاصيل البيبلوغرافية
العنوان:
Measurement of J/ψ→γηc decay rate and ηc parameters at KEDR
المؤلفون:
V.V. Anashin , V.M. Aulchenko , E.M. Baldin , A.K. Barladyan , A.Yu. Barnyakov , M.Yu. Barnyakov , S.E. Baru , I.Yu. Basok , I.V. Bedny , A.E. Blinov , V.E. Blinov , A.V. Bobrov , V.S. Bobrovnikov , A.V. Bogomyagkov , A.E. Bondar , A.R. Buzykaev , S.I. Eidelman , Yu.M. Glukhovchenko , V.V. Gulevich , D.V. Gusev , S.E. Karnaev , G.V. Karpov , S.V. Karpov , T.A. Kharlamova , V.A. Kiselev , S.A. Kononov , K.Yu. Kotov , E.A. Kravchenko , V.F. Kulikov , G.Ya. Kurkin , E.A. Kuper , E.B. Levichev , D.A. Maksimov , V.M. Malyshev , A.L. Maslennikov , A.S. Medvedko , O.I. Meshkov , S.I. Mishnev , I.I. Morozov , N.Yu. Muchnoi , V.V. Neufeld , S.A. Nikitin , I.B. Nikolaev , I.N. Okunev , A.P. Onuchin , S.B. Oreshkin , I.O. Orlov , A.A. Osipov , S.V. Peleganchuk , S.G. Pivovarov , P.A. Piminov , V.V. Petrov , A.O. Poluektov , G.E. Pospelov , V.G. Prisekin , O.L. Rezanova , A.A. Ruban , V.K. Sandyrev , G.A. Savinov , A.G. Shamov , D.N. Shatilov , B.A. Shwartz , E.A. Simonov , S.V. Sinyatkin , A.N. Skrinsky , V.V. Smaluk , A.V. Sokolov , A.M. Sukharev , E.V. Starostina , A.A. Talyshev , V.A. Tayursky , V.I. Telnov , Yu.A. Tikhonov , K.Yu. Todyshev , G.M. Tumaikin , Yu.V. Usov , A.I. Vorobiov , A.N. Yushkov , V.N. Zhilich , V.V. Zhulanov , A.N. Zhuravlev
المصدر:
Physics Letters B, Vol 738, Iss , Pp 391-396 (2014)
بيانات النشر:
Elsevier, 2014.
سنة النشر:
2014
المجموعة:
LCC:Physics
مصطلحات موضوعية:
Physics , QC1-999
الوصف:
Using the inclusive photon spectrum based on a data sample collected at the J/ψ peak with the KEDR detector at the VEPP-4M e+e− collider, we measured the rate of the radiative decay J/ψ→γηc as well as ηc mass and width. Taking into account an asymmetric photon lineshape we obtained Γγηc0=2.98±0.18−0.33+0.15keV, Mηc=2983.5±1.4−3.6+1.6MeV/c2, Γηc=27.2±3.1−2.6+5.4MeV. Keywords: Charmonium, Radiative decays
نوع الوثيقة:
article
وصف الملف:
electronic resource
اللغة:
English
تدمد:
0370-2693
Relation:
http://www.sciencedirect.com/science/article/pii/S0370269314007229 ; https://doaj.org/toc/0370-2693
DOI:
10.1016/j.physletb.2014.09.064
URL الوصول:
https://doaj.org/article/3720b527297241e2b2468db045000c29
رقم الأكسشن:
edsdoj.3720b527297241e2b2468db045000c29
قاعدة البيانات:
Directory of Open Access Journals