Open AccessTwo kinds of the mass of the charmed quark
Author(s) -
Yōichi Iwasaki
Publication year - 1978
Publication title -
physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields
Language(s) - English
Resource type - Journals
eISSN - 1089-4918
pISSN - 0556-2821
DOI - 10.1103/physrevd.17.765
Subject(s) - physics , particle physics , charm quark , quark , nuclear physics , up quark , bottom quark , top quark
It is argued that when a pair of a charmed quark and a charmed antiquark is produced via one photon, the mass of the charmed quark is to be light, i.e., roughly 500 MeV, quite contrary to the heavy mass usually assumed. It is thus proposed that we have to discriminate between, at least, two kinds of the mass of the charmed quark that are exhibited in different situations
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