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Large deviations from the polarization-analyzing power equality and implied breakdown of time reversal invariance. [14 MeV]

Conference ·
OSTI ID:7094552
The first test that compares the polarization (P) and the analyzing power (A) from measurements in a nuclear reaction and its inverse is reported. The reactions chosen for the P-A comparisons were the two-nucleon transfers /sup 7/Li(/sup 3/He,p)/sup 9/Be and /sup 9/Be(/sup 3/He,p)/sup 11/B, with 14-MeV incident /sup 3/He ions, and their inverses studied at the same CM energies. An astonishingly large P-A difference is found. The clear implication is that time-reversal invariance (TRI) is broken in some component of the nuclear interaction, since the polarization-analyzing power equality follows directly from TRI. 5 figures. (RWR)
Research Organization:
California Univ., Berkeley (USA). Lawrence Berkeley Lab.
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
7094552
Report Number(s):
LBL-11546; CONF-800824-26
Country of Publication:
United States
Language:
English

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Related Subjects

651325* -- Nuclear Properties & Reactions
A=6-19
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALINE EARTH ISOTOPES
BARYON REACTIONS
BARYONS
BEAMS
BERYLLIUM 9
BERYLLIUM 9 TARGET
BERYLLIUM ISOTOPES
BORON 11
BORON 11 TARGET
BORON ISOTOPES
CHARGED-PARTICLE REACTIONS
DATA
DIRECT REACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
FERMIONS
HADRON REACTIONS
HADRONS
HELIUM 3
HELIUM 3 REACTIONS
HELIUM ISOTOPES
INFORMATION
INVARIANCE PRINCIPLES
ISOTOPES
LIGHT NUCLEI
LITHIUM 7 TARGET
MEV RANGE
MEV RANGE 10-100
MULTI-NUCLEON TRANSFER REACTIONS
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
NUCLEONS
NUMERICAL DATA
ODD-EVEN NUCLEI
ORIENTATION
PICKUP REACTIONS
POLARIZATION-ASYMMETRY RATIO
POLARIZED BEAMS
PROTON REACTIONS
PROTONS
SPIN ORIENTATION
STABLE ISOTOPES
STRIPPING
T INVARIANCE
TARGETS
TRANSFER REACTIONS
TWO-NUCLEON TRANSFER REACTIONS