Breakup energy spectrum of singlet deuterons measured using [ital d]+[ital d][r arrow][ital d][sup *]+[ital d][sup *] four-body reaction at 15. 7 MeV
- Shanghai Institute of Nuclear Research, Academia Sinica, P.O. Box 800-204, Shanghai 201800 (China)
A kinematically complete measurement of the four-body breakup reaction [ital d]+[ital d][r arrow][ital d][sup *]+[ital d][sup *][r arrow][ital p]+[ital n]+[ital p]+[ital n] has been performed at 15.7 MeV bombarding energy. A ring-detector system consisting of a charged-particle detector and a neutron detector is used to define a singlet deuteron, i.e., [ital d][sup *]; a charged-particle detector is used to measure spectra of products produced by another [ital d][sup *] at five angles. A velocity-distribution diagram has first been obtained, and by performing a fit the most probable breakup energy of the singlet deuteron in the laboratory system is obtained, 0.054[plus minus]0.012 MeV. A final state interaction calculation using known [ital p]-[ital n] singlet phase shifts predicts the expected proton spectra.
- OSTI ID:
- 6818218
- Journal Information:
- Physical Review, C (Nuclear Physics); (United States), Vol. 47:2; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
DEUTERIUM TARGET
DEUTERON REACTIONS
BREAKUP REACTIONS
BINDING ENERGY
ENERGY SPECTRA
FINAL-STATE INTERACTIONS
FOUR-BODY PROBLEM
MEV RANGE 10-100
NEUTRONS
PROTONS
BARYONS
CHARGED-PARTICLE REACTIONS
ELEMENTARY PARTICLES
ENERGY
ENERGY RANGE
FERMIONS
HADRONS
INTERACTIONS
MANY-BODY PROBLEM
MEV RANGE
NUCLEAR REACTIONS
NUCLEONS
SPECTRA
TARGETS
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