Baryogenesis without baryon number violation

Journal Article · Thu Aug 30 04:00:00 EDT 1990 · Modern Physics Letters A; (United States)

DOI:https://doi.org/10.1142/S0217732390001852· OSTI ID:5735926

Dodelson, S ^[1]; Widrow, L M ^[2]

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1. Harvard Univ., Cambridge, MA (United States). Gordon McKay Lab.
2. Harvard Univ., Cambridge, MA (United States). Dept. of Physics

This paper reviews a paradigm for baryogenesis in which the fundamental Lagrangian is baryon conserving (invariant under U(1){sub B}). At high temperatures, U(1){sub B} is spontaneously broken and an excess of quarks over antiquarks of 10{sup {minus}10}s (s {identical to} entropy density) is produced. Today, U(1){sub B} is restored. A fundamental consequence of our assumptions is that the baryon number of the Universe is constant. If initially zero, it will be zero today. The excess baryon number produced in the quark fields is exactly compensated by antibaryon number in a weakly interacting scalar particle. The authors suggest that this scalar provides the mass density necessary to close the Universe.

• OSTI ID: 5735926
• Journal Information: Modern Physics Letters A; (United States), Journal Name: Modern Physics Letters A; (United States) Vol. 5:21; ISSN 0217-7323; ISSN MPLAE
• Country of Publication: United States
• Language: English

Related Subjects

662120* -- General Theory of Particles & Fields-- Symmetry
Conservation Laws
Currents & Their Properties-- (1992-)
663470 -- Fission-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANTIBARYONS
ANTIMATTER
ANTIPARTICLES
BARYON NUMBER
BARYON REACTIONS
BARYONS
BASIC INTERACTIONS
BOSONS
DECAY
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
FISSION
HADRON REACTIONS
HADRONS
INTERACTIONS
LAGRANGIAN FIELD THEORY
LIE GROUPS
MATTER
MESONS
NUCLEAR DECAY
NUCLEAR REACTIONS
PARTICLE PRODUCTION
POSTULATED PARTICLES
QUANTUM FIELD THEORY
QUARKS
SCALAR FIELDS
SCALAR MESONS
SPONTANEOUS FISSION
SYMMETRY BREAKING
SYMMETRY GROUPS
U GROUPS
U-1 GROUPS
UNIVERSE
WEAK INTERACTIONS