Grand unification with three generations in free fermionic string models

被引:28
作者
Finnell, D [1 ]
机构
[1] STANFORD UNIV,STANFORD LINEAR ACCELERATOR CTR,STANFORD,CA 94309
来源
PHYSICAL REVIEW D | 1996年 / 53卷 / 10期
关键词
D O I
10.1103/PhysRevD.53.5781
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We examine the problem of constructing three generation free fermionic string models with grand unified gauge groups. We attempt the construction of GxG models, where G is a grand unified group realized at level 1. This structure allows those Higgs representations to appear which are necessary to break the symmetry down to the standard model gauge group. For G=SO(10), we find only models with an even number of generations. However, for G=SU(5) we find a number of three generation models.
引用
收藏
页码:5781 / 5789
页数:9
相关论文
共 38 条
[1]  
ALDAZABAL A, 1995, NUCL PHYS B, V452, P3
[2]  
ALDAZABAL G, FTUAM9527
[3]   COMPREHENSIVE ANALYSIS OF DATA PERTAINING TO THE WEAK NEUTRAL CURRENT AND THE INTERMEDIATE-VECTOR-BOSON MASSES [J].
AMALDI, U ;
BOHM, A ;
DURKIN, LS ;
LANGACKER, P ;
MANN, AK ;
MARCIANO, WJ ;
SIRLIN, A ;
WILLIAMS, HH .
PHYSICAL REVIEW D, 1987, 36 (05) :1385-1407
[4]   COMPARISON OF GRAND UNIFIED THEORIES WITH ELECTROWEAK AND STRONG COUPLING-CONSTANTS MEASURED AT LEP [J].
AMALDI, U ;
DEBOER, W ;
FURSTENAU, H .
PHYSICS LETTERS B, 1991, 260 (3-4) :447-455
[5]   4-DIMENSIONAL SUPERSTRINGS [J].
ANTONIADIS, I ;
BACHAS, CP ;
KOUNNAS, C .
NUCLEAR PHYSICS B, 1987, 289 (01) :87-108
[6]   A 3-GENERATION SU(4)XO(4) STRING MODEL [J].
ANTONIADIS, I ;
LEONTARIS, GK ;
RIZOS, J .
PHYSICS LETTERS B, 1990, 245 (02) :161-168
[7]   THE FLIPPED SU(5)XU(1) STRING MODEL REVAMPED [J].
ANTONIADIS, I ;
ELLIS, J ;
HAGELIN, JS ;
NANOPOULOS, DV .
PHYSICS LETTERS B, 1989, 231 (1-2) :65-74
[8]   STRINGS VERSUS SUPERSYMMETRIC GUTS - CAN THEY BE RECONCILED [J].
BARBIERI, R ;
DVALI, G ;
STRUMIA, A .
PHYSICS LETTERS B, 1994, 333 (1-2) :79-82
[9]   FERMION MASSES AND MIXINGS IN A FLAVOR SYMMETRICAL GUT [J].
BARBIERI, R ;
DVALI, G ;
STRUMIA, A .
NUCLEAR PHYSICS B, 1995, 435 (1-2) :102-114
[10]   CALABI-YAU MANIFOLDS IN WEIGHTED P4 [J].
CANDELAS, P ;
LYNKER, M ;
SCHIMMRIGK, R .
NUCLEAR PHYSICS B, 1990, 341 (02) :383-402