Skip to main content
OSTI.GOVU.S. Department of Energy Office of Scientific and Technical Information
U.S. Department of Energy
Office of Scientific and Technical Information
 

CP determination and tests for CP or P violation by the V/sub 1/V/sub 2/ decay mode

Journal Article · · Phys. Rev. D; (United States)
A decay mode such as phiphi, UPSILONUPSILON, K/sup asterisk+/K/sup asterisk-/, or D/sup asterisk+/D/sup asterisk-/ can be used to distinguish between a neutral spin-0 technipion and a neutral spin-0 Higgs particle. By this generalization of phiphi parity test, the CP eigenvalue ..gamma../sub C/P can be determined for an X particle of any spin J which decays CP invariantly into VV, or VV-bar, where each vector meson either decays into two spin-0 bosons, or is ..omega... The absence in a VV, or VV-bar, decay channel of sin2phi and sinphi terms in the azimuthal distribution is due to CP invariance and/or P invariance. For a V/sub 1/V/sub 2/ decay channel without a V/sub 1/bold-arrow-left-rightV/sub 2/ exchange property, and in a mode like K/sup asterisk+/K /sup asterisk0/, such terms would imply that P is violated. For a V/sub 1/V/sub 2/ mode such as phi..omega.. where each vector meson is its own antiparticle, such terms would imply that both P and CP are violated; when CP invariance holds, the ..gamma../sub C/P(-)/sup J/ eigenvalue of X can be determined provided certain amplitudes do not accidentally vanish.
Research Organization:
Department of Physics, State University of New York at Binghamton, Binghamton, New York 13901
OSTI ID:
6044757
Journal Information:
Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 30:9; ISSN PRVDA
Country of Publication:
United States
Language:
English

Similar Records

Determinations of P, and CP, for heavy mesons and tests for their violations without polarization experiments
Conference · Mon Oct 01 00:00:00 EDT 1984 · OSTI ID:6439159
Simple tests for CP or P violation by sequential decays: V1V2 modes with decays into l-bar/sub A/l/sub B/ and/or q-bar/sub A/q/sub B/
Journal Article · Tue Dec 31 23:00:00 EST 1985 · Phys. Rev. D; (United States) · OSTI ID:6278805
Parity and signature determination by the V/sub 1/V/sub 2/ decay mode
Journal Article · Sun Jul 01 00:00:00 EDT 1984 · Phys. Rev. D; (United States) · OSTI ID:6496117

Related Subjects

645301* -- High Energy Physics-- Particle Invariance Principles & Symmetries-- General-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR MOMENTUM
BOSONS
CORRELATION FUNCTIONS
CP INVARIANCE
DECAY
EIGENVALUES
ELEMENTARY PARTICLES
FUNCTIONS
HADRONIC PARTICLE DECAY
HADRONS
INVARIANCE PRINCIPLES
ISOSPIN
MESON RESONANCES
MESONS
P INVARIANCE
PARTICLE DECAY
PARTICLE PROPERTIES
RESONANCE PARTICLES
SPIN
TESTING
VECTOR MESONS