skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: [ital K][sub [ital L]]-[ital K][sub [ital S]], [ital B][sub [ital d]][sup 0]-[ital [bar B]][sub [ital d]][sup 0] mass differences and [ital t]-quark and [ital W][sub [ital R]]-boson masses in the left-right-symmetric model

Journal Article · · Physical Review, D (Particles Fields); (United States)
 [1]; ;  [2]
  1. Physics Department, Utkal University, Bhubaneswar-751004 (India)
  2. Physics Department, Kendrapara College, Kendrapara-754211 (India)

An SU(2)[sub [ital L]][direct product]SU(2)[sub [ital R]][direct product]U(1)[sub [ital B][minus][ital L]] effective Hamiltonian is considered to estimate the masses of the [ital t] quark and [ital W][sub [ital R]] boson. Taking SU(6)-symmetric ([ital K][sup 0],[ital [bar K]][sup 0]) and ([ital B][sub [ital d]][sup 0],[ital [bar B]][sub [ital d]][sup 0]) mesonic states in a field-theoretic quark model, we evaluate the hadronic matrix elements with the help of [ital W][sub [ital L]-][ital W[ital R]] box diagrams and obtain the [ital K][sup 0-][ital [bar K]0] and [ital B][sub [ital d]][sup 0-][ital [bar B]][sub [ital d]][sup 0] mass differences. With experimental values of [Delta][ital M][sub [ital B][ital d]] and [Delta][ital M][sub [ital K]] as input we estimate [ital m][sub [ital t]]=162[sub [minus]22][sup +21] GeV and [ital M][sub [ital R]][ge]1650 GeV, respectively. These results are consistent with most of the present theoretical predictions as well as experimental bounds on [ital m][sub [ital t]]. So far as the mass of the [ital W][sub [ital R]] boson is concerned, it is in agreement with the prediction by Beall [ital et] [ital al]. Further, the present investigation also leads to an appreciable charge radius for the [ital B][sub [ital d]][sup 0] meson which we expect to be verified in the near future.

OSTI ID:
6463304
Journal Information:
Physical Review, D (Particles Fields); (United States), Vol. 47:11; ISSN 0556-2821
Country of Publication:
United States
Language:
English