WEAK SCALE BARYOGENESIS

被引：199

作者：

COHEN, AG

KAPLAN, DB

NELSON, AE

机构：

[1] UNIV CALIF SAN DIEGO, DEPT PHYS, LA JOLLA, CA 92093 USA

[2] BOSTON UNIV, DEPT PHYS, BOSTON, MA 02215 USA

来源：

PHYSICS LETTERS B | 1990年 / 245卷 / 3-4期

基金：

美国国家航空航天局; 美国国家科学基金会;

关键词：

D O I：

10.1016/0370-2693(90)90690-8

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss a simple model for baryogenesis during the weak phase transition, which uses the anomalous baryon violation in the weak interactions. A departure from thermal equilibrium is provided if the transition is first order, and CP violation occurs in the neutrino couplings. Generating a sufficiently large baryon number requires that the τ neutrino is heavier than an MeV, or there must be a fourth family with all members heavier than 45 GeV. © 1990.

引用

页码：561 / 564

页数：4

共 30 条

[1] COSMOLOGY FOR GRAND UNIFIED THEORIES WITH RADIATIVELY INDUCED SYMMETRY-BREAKING [J].

ALBRECHT, A ;

STEINHARDT, PJ .

PHYSICAL REVIEW LETTERS, 1982, 48 (17) :1220-1223

[2] AN IMPROVED UPPER LIMIT ON THE NU-TAU MASS FROM THE DECAY PI--]PI-PI-PI-PI+PI+NU-TAU [J].

ALBRECHT, H ;

BINDER, U ;

BOCKMANN, P ;

GLASER, R ;

HARDER, G ;

KRUGER, A ;

NIPPE, A ;

SCHAFER, M ;

SCHMIDTPARZEFALL, W ;

SCHRODER, H ;

SCHULZ, HD ;

SEFKOW, F ;

WURTH, R ;

YAGIL, A ;

APPUHN, RD ;

DONKER, JP ;

DRESCHER, A ;

KAMP, D ;

KOLANOSKI, H ;

MATTHIESEN, U ;

SCHECK, H ;

SCHWEDA, G ;

SPAAN, B ;

SPENGLER, J ;

WALTHER, A ;

WEGENER, D ;

GABRIEL, JC ;

RUF, T ;

SCHUBERT, KR ;

STIEWE, J ;

STRAHL, K ;

WALDI, R ;

EDWARDS, KW ;

FRISKEN, WR ;

GILKINSON, DJ ;

GINGRICH, DM ;

KAPITZA, H ;

KIM, PCH ;

KUTSCHKE, R ;

MACFARLANE, DB ;

MCKENNA, JA ;

MCLEAN, KW ;

NILSSON, AW ;

ORR, RS ;

PADLEY, P ;

PARSONS, JA ;

PATEL, PM ;

PRENTICE, JD ;

SEYWERD, HCJ ;

SWAIN, JD .

PHYSICS LETTERS B, 1988, 202 (01) :149-153

[3] SPHALERONS, SMALL FLUCTUATIONS, AND BARYON-NUMBER VIOLATION IN ELECTROWEAK THEORY [J].

ARNOLD, P ;

MCLERRAN, L .

PHYSICAL REVIEW D, 1987, 36 (02) :581-595

[4] MAGNITUDE OF THE COSMOLOGICAL BARYON ASYMMETRY [J].

BARR, S ;

SEGRE, G ;

WELDON, HA .

PHYSICAL REVIEW D, 1979, 20 (10) :2494-2498

[5] SPHALERONS AND BARYOGENESIS - ELECTROWEAK CP VIOLATION AT HIGH-TEMPERATURES [J].

BOCHKAREV, AI ;

KHLEBNIKOV, SY ;

SHAPOSHNIKOV, ME .

NUCLEAR PHYSICS B, 1990, 329 (02) :493-518

[6] ARE THERE REAL GOLDSTONE BOSONS ASSOCIATED WITH BROKEN LEPTON NUMBER [J].

CHIKASHIGE, Y ;

MOHAPATRA, RN ;

PECCEI, RD .

PHYSICS LETTERS B, 1981, 98 (04) :265-268

[7] CONSERVATION-LAW VIOLATION AT HIGH-ENERGY BY ANOMALIES [J].

CHRIST, NH .

PHYSICAL REVIEW D, 1980, 21 (06) :1591-1602

[8] SPONTANEOUS BARYOGENESIS [J].

COHEN, AG ;

KAPLAN, DB .

NUCLEAR PHYSICS B, 1988, 308 (04) :913-928

[9]

COHEN AG, UNPUB, P22

[10] COSMOLOGICAL UPPER BOUND ON HEAVY-NEUTRINO LIFETIMES [J].

DICUS, DA ;

KOLB, EW ;

TEPLITZ, VL .

PHYSICAL REVIEW LETTERS, 1977, 39 (04) :168-171

← 1 2 3 →