Gravitational acceleration of antiprotons and of positrons

Journal Article · Sat Aug 15 00:00:00 EDT 1987 · Phys. Rev. D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.36.1254· OSTI ID:5941250

Goldman, T; Hughes, R J; Nieto, M M

Theories of quantum gravity predict the existence of spin-1 (graviphoton) and spin-0 (graviscalar) partners of the graviton, which will yield non-Newtonian, non-Einsteinian effects. In particular, although the static gravitational acceleration of matter to the Earth could be modified by small Yukawa-type terms, the static gravitational acceleration of antimatter would be modified by a larger factor. Since these new interactions couple to an unknown linear combination of baryon and lepton numbers, it is important to do both the planned antiproton gravity experiment and a proposed positron gravity experiment. Antihydrogen is also mentioned.

• Research Organization: Theoretical Division, Los Alamos National Laboratory, University of California, Los Alamos, New Mexico 87545
• OSTI ID: 5941250
• Journal Information: Phys. Rev. D; (United States), Vol. 36:4
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ANTIPROTONS
ACCELERATION
POSITRONS
BARYON NUMBER
ENERGY-MOMENTUM TENSOR
LEPTON NUMBER
MASS
QUANTUM GRAVITY
SPIN
ANGULAR MOMENTUM
ANTIBARYONS
ANTILEPTONS
ANTIMATTER
ANTINUCLEI
ANTINUCLEONS
ANTIPARTICLES
BARYONS
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
HADRONS
LEPTONS
NUCLEI
NUCLEONS
PARTICLE PROPERTIES
QUANTUM FIELD THEORY
TENSORS
657003* - Theoretical & Mathematical Physics- Relativity & Gravitation