ηb decay into charmonium in association with cc pair

来源 :中国物理C:英文版 | 被引量 : 0次 | 上传用户:firefly_xk
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
We calculate the inclusive decay rates of ηb into charmonium via double c pairs for S-and P-wave states ηc,J/ψ and χcJ within the framework of non-relativistic QCD(NRQCD) factorization at leading order in αs.Besides calculating the contributions of the c
其他文献
It has been conjectured that the relative phase between strong and electromagnetic amplitudes is universally -90° in charmonium decays. ψ′ decaying into
The role of the anti-commutator term of the chiral current in a Skyrme-like model was studied associated with the symmetric Skyrmion and the nucleon properties
Wave function is important for determining decay constants fDs- and fD-. Using the 5 types of D meson wave functions in the heavy quark limit, we studied the un
With the recent investigations of the gg-η (’) transition form factor and η-η’ mixing scheme,we present an updated study of the radiative decays J/ψ→η (
A knockout reaction induced by 6 He at 61.2 MeV/u was carried out at the HIRFL-RIBLL radioactive beam line.The α core fragments at forward angles were detected
We studied the κ light scalar meson in 2+1 flavor full QCD with sufficiently light u and d quarks. Via lattice simulation we measured the correlators for the
We report that a general principle of physical independence of mathematical background manifolds brings a replacement of common derivative operators by co-deriv
我们学习与联合效果的隧道在夸克模型在 charmomium 光谱切开的罚款,包括 DD, DD * , D D 和 DsDs, DsDs * , D D 隧道。为隧道联合的相互作用从与颜色监禁和监禁有关的当前水流的
One of the first physics results that CMS will hopefully obtain will be the analysis of heavy quarkonium productions, including the Υ cross-section measurement
Based on the assumption of two-quark structure of the scalar meson K*0(1430),we calculate the CP-averaged branching ratios for B→K0*(1430)η(’) decays in the