LEPTON FLAVOR NONCONSERVATION AT HIGH-ENERGIES IN A SUPERSTRING INSPIRED STANDARD MODEL

被引:323
作者
BERNABEU, J
SANTAMARIA, A
VIDAL, J
MENDEZ, A
VALLE, JWF
机构
[1] UNIV VALENCIA,CSIC,IFIC,VALENCIA,SPAIN
[2] UNIV AUTONOMA BARCELONA,DEPT FIS TEOR,BELLATERRA BARCELONA,SPAIN
关键词
D O I
10.1016/0370-2693(87)91100-2
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We analyze some interesting phenomenological consequences of a class of models which extend the standard model by adding new neutral fermions. Such might arise in some models inspired on the heterotic superstring which have naturally light neutrinos. In these models it is possible to have sizable flavour changing decays of the Z to charged lepton pairs which might be detectable at SLC and/or LEP. © 1987.
引用
收藏
页码:303 / 308
页数:6
相关论文
共 24 条
[1]   CP NONCONSERVATION AT THE Z0 PEAK [J].
BERNABEU, J ;
SANTAMARIA, A ;
GAVELA, MB .
PHYSICAL REVIEW LETTERS, 1986, 57 (13) :1514-1517
[2]   E-6 SYMMETRY-BREAKING IN THE SUPERSTRING THEORY [J].
BREIT, JD ;
OVRUT, BA ;
SEGRE, GC .
PHYSICS LETTERS B, 1985, 158 (01) :33-39
[3]   PROPERTIES OF E-6 BREAKING AND SUPERSTRING THEORY [J].
CECOTTI, S ;
DERENDINGER, JP ;
FERRARA, S ;
GIRARDELLO, L ;
RONCADELLI, M .
PHYSICS LETTERS B, 1985, 156 (5-6) :318-326
[4]   UPPER LIMIT ON NEUTRINO REST MASS [J].
COWSIK, R ;
MCCLELLAND, J .
PHYSICAL REVIEW LETTERS, 1972, 29 (10) :669-+
[5]   SUPERSTRING-INSPIRED MODELS [J].
DELAGUILA, F ;
BLAIR, G ;
DANIEL, M ;
ROSS, GG .
NUCLEAR PHYSICS B, 1986, 272 (02) :413-438
[6]   ON THE LOW-ENERGY LIMIT OF SUPERSTRING THEORIES [J].
DERENDINGER, JP ;
IBANEZ, LE ;
NILLES, HP .
NUCLEAR PHYSICS B, 1986, 267 (02) :365-414
[7]   SUPERSTRING MODEL-BUILDING [J].
DINE, M ;
KAPLUNOVSKY, V ;
MANGANO, M ;
NAPPI, C ;
SEIBERG, N .
NUCLEAR PHYSICS B, 1985, 259 (04) :549-571
[8]  
Gell-Mann M., 1979, SUPERGRAVITY
[9]   A SUPERSTRING-INSPIRED STANDARD MODEL [J].
GREENE, BR ;
KIRKLIN, KH ;
MIRON, PJ ;
ROSS, GG .
PHYSICS LETTERS B, 1986, 180 (1-2) :69-76
[10]   EFFECTS OF SUPERHEAVY QUARKS AND LEPTONS IN LOW-ENERGY WEAK PROCESSES KAPPA-L-]MU-MU,KAPPA+-]PI+NU-NUBAR AND KAPPA-0]-]KAPPA-BAR-0 [J].
INAMI, T ;
LIM, CS .
PROGRESS OF THEORETICAL PHYSICS, 1981, 65 (01) :297-314