Results 151 to 160 of about 20,648,949 (270)

Finite modular subgroups for fermion mass matrices and baryon/lepton number violation

open access: yesPhysics Letters B, 2019
We study a flavor model that the quark sector has the S3 modular symmetry while the lepton sector has the A4 modular symmetry. Our model leads to characteristic quark mass matrices which are consistent with experimental data of quark masses, mixing ...
Tatsuo Kobayashi   +5 more
doaj  

Does nuclear medium affect the transverse momentum-dependent parton distributions of valence quark of pions?

open access: yesPhysics Letters B
We calculate the valence quark transverse momentum-dependent parton distributions (TMDs) of the lightest pseudoscalar meson, pions, in isospin asymmetric nuclear matter at zero temperature by employing a light-cone quark model.
Navpreet Kaur   +5 more
doaj  

Quark Jet Model and Total Cross Section in Photon-Nucleon Scattering [PDF]

open access: bronze, 1978
E.-i. Kawai   +5 more
openalex   +1 more source

Heavy quark physics in the covariant quark model.

open access: yes, 2013
I give a short introduction to the covariant quark model and its applications to heavy quark physics. The special emphasis will be devoted to the semileptonic, rare and radiative decays of the $\Lambda_b$-baryon.
openaire   +3 more sources

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