CONSTRAINTS FROM PROTON DECAY IN THE FLIPPED SU(5)XU(1) SUPERSTRING MODEL

被引：14

作者：

LEONTARIS, GK

TAMVAKIS, K

机构：

[1] Theoretical Physics Division, University of Ioannina

来源：

PHYSICS LETTERS B | 1991年 / 260卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(91)91621-2

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss the constraints that emerge from the existence of dimension-5 baryon-violating operators in the flipped SU(5) x U(1) superstring model. These are constraints on matter field assignments and on singlet VEV values. Although baryon-violating dimension-5 operators that appear as quintic non-renormalizable terms vanish as has been proven before and as we verify here, effective dimension-5 operators resulting from Higgs exchange put non-trivial but feasible constraints on the model. Constraints are also extracted from the presence of higher order non-renormalizable terms that generate such operators which do not a priori vanish.

引用

页码：333 / 338

页数：6

共 31 条

[1] A SUPERSYMMETRIC SU(4)XO(4) MODEL [J].

ANTONIADIS, I ;

LEONTARIS, GK .

PHYSICS LETTERS B, 1989, 216 (3-4) :333-335

[2] A 3-GENERATION SU(4)XO(4) STRING MODEL [J].

ANTONIADIS, I ;

LEONTARIS, GK ;

RIZOS, J .

PHYSICS LETTERS B, 1990, 245 (02) :161-168

[3] 4D FERMIONIC SUPERSTRINGS WITH ARBITRARY TWISTS [J].

ANTONIADIS, I ;

BACHAS, C .

NUCLEAR PHYSICS B, 1988, 298 (03) :586-612

[4] AN IMPROVED FLIPPED SU(5)XU(1) MODEL FROM THE 4-DIMENSIONAL STRING [J].

ANTONIADIS, I ;

ELLIS, J ;

HAGELIN, J ;

NANOPOULOS, DV .

PHYSICS LETTERS B, 1988, 208 (02) :209-215

[5] GUT MODEL-BUILDING WITH FERMIONIC 4-DIMENSIONAL STRINGS [J].

ANTONIADIS, I ;

ELLIS, J ;

HAGELIN, JS ;

NANOPOULOS, DV .

PHYSICS LETTERS B, 1988, 205 (04) :459-465

[6]

ANTONIADIS I, 1988, NUCL PHYS B, V284, P87

[7] NUCLEON DECAY BRANCHING RATIOS IN SUPERGRAVITY SU(5) GUTS [J].

ARNOWITT, R ;

CHAMSEDDINE, AH ;

NATH, P .

PHYSICS LETTERS B, 1985, 156 (3-4) :215-219

[8] SEARCH FOR PROTON DECAY INTO E+ +PI-0 IN THE IMB-3 DETECTOR [J].

BECKERSZENDY, R ;

BRATTON, CB ;

CADY, DR ;

CASPER, D ;

CLAUS, R ;

CROUCH, M ;

DYE, ST ;

GAJEWSKI, W ;

GOLDHABER, M ;

HAINES, TJ ;

HALVERSON, PG ;

JONES, TW ;

KIELCZEWSKA, D ;

KROPP, WR ;

LEARNED, JG ;

LOSECCO, JM ;

MCGREW, C ;

MATSUNO, S ;

MATTHEWS, J ;

MUDAN, MS ;

PRICE, L ;

REINES, F ;

SCHULTZ, J ;

SINCLAIR, D ;

SOBEL, HW ;

STONE, JL ;

SULAK, LR ;

SVOBODA, R ;

THORNTON, G ;

VANDERVELDE, JC .

PHYSICAL REVIEW D, 1990, 42 (09) :2974-2976

[9] 3-GENERATION 4-DIMENSIONAL SU(3)XSU(2)XU(1)5 STRING MODELS [J].

CHAMSEDDINE, AH ;

QUIROS, M .

NUCLEAR PHYSICS B, 1989, 316 (01) :101-112

[10] PROTON DECAY IN SUPERSYMMETRIC MODELS [J].

DIMOPOULOS, S ;

RABY, S ;

WILCZEK, F .

PHYSICS LETTERS B, 1982, 112 (02) :133-136

← 1 2 3 4 →