TY - JOUR
T1 - Large-NF expansion for the Yukawa coupling
AU - Aoki, Kenichiro
PY - 1991/1/1
Y1 - 1991/1/1
N2 - By enlarging the number of fermion species and sclar fields, we generalize the Yukawa-Higgs sector of the standard model. We solve this model to leading order in a 1NF expansion. We study the behavior of the fermion mass and the width when they are below the cutoff scale of the theory. Other Yukawa-Higgs models with different chiral structures are also studied. We find that the mass of the fermion is finite and is below the cutoff scale for any finite on-shell Yukawa coupling in the chiral models.
AB - By enlarging the number of fermion species and sclar fields, we generalize the Yukawa-Higgs sector of the standard model. We solve this model to leading order in a 1NF expansion. We study the behavior of the fermion mass and the width when they are below the cutoff scale of the theory. Other Yukawa-Higgs models with different chiral structures are also studied. We find that the mass of the fermion is finite and is below the cutoff scale for any finite on-shell Yukawa coupling in the chiral models.
UR - http://www.scopus.com/inward/record.url?scp=4243999014&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=4243999014&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.44.1547
DO - 10.1103/PhysRevD.44.1547
M3 - Article
AN - SCOPUS:4243999014
VL - 44
SP - 1547
EP - 1554
JO - Physical Review D - Particles, Fields, Gravitation and Cosmology
JF - Physical Review D - Particles, Fields, Gravitation and Cosmology
SN - 1550-7998
IS - 5
ER -