scholarly journals Nonrelativistic model of tetraquarks and predictions for their masses from fits to charmed and bottom meson data

2020 ◽  
Vol 102 (5) ◽  
Author(s):  
Per Lundhammar ◽  
Tommy Ohlsson
Keyword(s):  
Bottom Meson ◽  
Nonrelativistic Model

CONSTRAINTS FOR THE DIQUARK COUPLINGS FROM QUARK→ QUARK+PHOTON TRANSITIONS

1988 ◽  
Vol 03 (04) ◽  
pp. 373-380 ◽  
Author(s):  
J. MAALAMPI ◽  
A. PIETILÄ ◽  
I. VILJA
Keyword(s):  
Dipole Moment ◽  
Electric Dipole ◽  
Branching Ratio ◽  
Bottom Meson ◽  
Coupling Constants ◽  
Meson Decay ◽  
Gauge Model ◽  
Superstring Theory ◽  
Upper Limits ◽  
Low Energies

The significance of the diquark couplings f6QQh and f7ucdchc is studied in a SU(3)× SU(2)×U(1) 1)×U(1)′ gauge model derived from the E6 superstring theory at low energies. For this purpose, the electric dipole moment of the neutron and the branching ratio of the radiative bottom meson decay, B→K*γ, arising from these couplings are claculated. A comparison with the experimental upper limits gives typically the bound Im f6f7≲10−4 for the coupling constants.

Topological diagram analysis of bottom meson decays emitting two pseudoscalar mesons

2015 ◽  
Vol 12 (2) ◽  
pp. 230-237 ◽  
Author(s):  
Maninder Kaur ◽  
Rohit Dhir ◽  
Avinash Sharma ◽  
R. C. Verma
Keyword(s):  
Bottom Meson ◽  
Meson Decays ◽  
Pseudoscalar Mesons ◽  
Diagram Analysis

scholarly journals The charmed and bottom meson spectrum from lattice NRQCD

2001 ◽  
Vol 93 (1-3) ◽  
pp. 192-195 ◽  
Author(s):  
Randy Lewis ◽  
R.M. Woloshyn
Keyword(s):  
Bottom Meson ◽  
Meson Spectrum

Search for Possible Signatures of Bottom-Meson Production inp-Fe Interactions at 400 GeV/c

1980 ◽  
Vol 44 (8) ◽  
pp. 507-510 ◽  
Author(s):  
A. Diamant-Berger ◽  
J. P. Dishaw ◽  
M. Faessler ◽  
J. K. Liu ◽  
F. S. Merritt ◽  
...  
Keyword(s):  
Meson Production ◽  
Bottom Meson
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