2 SCALAR DOUBLET MODELS WITH SOFTLY BROKEN SYMMETRIES

被引:40
作者
FROGGATT, CD [1 ]
MOORHOUSE, RG [1 ]
KNOWLES, IG [1 ]
机构
[1] ARGONNE NATL LAB, DIV HIGH ENERGY PHYS, ARGONNE, IL 60439 USA
关键词
D O I
10.1016/0550-3213(92)90176-C
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
A generalized two scalar doublet extension of the standard model is proposed, including a soft scalar term which explicitly breaks CP invariance and the discrete symmetry protecting against scalar mediated, flavour changing neutral currents. The allowed scalar spectrum in the model is discussed together with the top quark mass, based upon the adoption of renormalization group, quasi-fixed point values for the free hard couplings in the lagrangian. The radiative corrections arising from the new scalar sector are calculated and their phenomenological consequences commented upon. In the appendices a complete set of Feynman rules for the theory is given.
引用
收藏
页码:63 / 114
页数:52
相关论文
共 78 条
[21]  
CHANG D, 1985, PHYS REV D, V32, P85
[22]   WEAK INTERACTIONS OF ULTRA HEAVY FERMIONS [J].
CHANOWITZ, MS ;
FURMAN, MA ;
HINCHLIFFE, I .
PHYSICS LETTERS B, 1978, 78 (2-3) :285-289
[23]  
CONSOLI M, CERN8908 YELL REP, V1, P7
[24]   RELAXATION OF TOP MASS LIMITS IN THE 2-HIGGS-DOUBLET MODEL [J].
DENNER, A ;
GUTH, RJ ;
KUHN, JH .
PHYSICS LETTERS B, 1990, 240 (3-4) :438-440
[25]   QUANTUM THEORY OF GRAVITY .2. MANIFESTLY COVARIANT THEORY [J].
DEWITT, BS .
PHYSICAL REVIEW, 1967, 162 (05) :1195-&
[26]   QUANTUM THEORY OF GRAVITY .3. APPLICATIONS OF COVARIANT THEORY [J].
DEWITT, BS .
PHYSICAL REVIEW, 1967, 162 (05) :1239-+
[27]   PROPERTIES OF CHARGED HIGGS BOSONS [J].
DONOGHUE, JF ;
LI, LF .
PHYSICAL REVIEW D, 1979, 19 (03) :945-955
[28]   SCREENING OF HEAVY-HIGGS-BOSON RADIATIVE EFFECTS [J].
EINHORN, MB ;
WUDKA, J .
PHYSICAL REVIEW D, 1989, 39 (09) :2758-2763
[29]   NEW BOUNDS ON MT AND 1ST BOUNDS ON MH FROM PRECISION ELECTROWEAK DATA [J].
ELLIS, J ;
FOGLI, GL .
PHYSICS LETTERS B, 1990, 249 (3-4) :543-550
[30]   FEYNMAN DIAGRAMS FOR YANG-MILLS FIELD [J].
FADDEEV, LD ;
POPOV, VN .
PHYSICS LETTERS B, 1967, B 25 (01) :29-&