charmless
英 [ˈtʃɑ:mləs] 美 [ˈtʃɑrmləs]

adj.

无魅力的，无吸引力的，不美的；

权威例句

Charmless nonleptonic rare decays of B mesons
Charmless B → VP decays using flavor SU(3) symmetry
Measurement of charmless semileptonic decays of B mesons
Nonleptonic charmless B decays: factorization vs perturbative QCD
Observation of B0 decay to two charmless mesons.
Study of Charmless Hadronic B Meson Decays to Pseudoscalar-Vector Final States
Charmless nonleptonic Bs decays to PP, PV, and VV final states in the perturbative QCD approach
Charmless hadronic B decays involving scalar mesons: Implications to the nature of light scalar mesons
Observation of [ital B][sup 0] decay to two charmless mesons
Experimental Tests of Factorization in Charmless Non-Leptonic Two-Body B Decays