NEUTRONS FROM DEUTERON BREAKUP ON D,T, AND He$sup 4$

Journal Article · Thu Nov 01 04:00:00 EST 1962 · Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D

DOI:https://doi.org/10.1103/PhysRev.128.1328· OSTI ID:4791941

Lefevre, H W; Borchers, R R; Poppe, C H

The continuous neutron spectra produced by deuteron bombardment of D, T, and He/sup 4/ have been studied at deuteron energies near 9 Mev with a time-of- flight spectrometer. Angular distributions of the continuous spectra from D + d and He/sup 4/ + d were obtained for deuteron energies of 9 and 10 Mev. The center-of-mass angular distributions are peaked forward for neutrons of all energies. Two maxima present in the 0 deg spectrum from He/sup 4/ + d at E/sub d/ = 10 Mev are consistent with the interpretation that He/sup 5/ and Li/sup 5/ are produced in their ground states as alternative intermediate steps in the reaction. Two maxima are also present in the continuous neutron spectrum from T + d. The higher energy maximum occurs near the maximum possible neutron energy from the T(d,np)T reaction and cannot be caused by the T(d,2n)He/sup 3/ reaction. If this peak is caused by an excited state in He/sup 4/, it would correspond to an excitation in He/sup 4/ of 20.0 plus or minus 0.2 Mev, and be unbound. (auth)

• Research Organization: Univ. of Wisconsin, Madison
• NSA Number: NSA-17-000860
• OSTI ID: 4791941
• Report Number(s): TID-15926; 0031-899X
• Journal Information: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 128; ISSN PHRVA
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ANGULAR DISTRIBUTION
DEUTERIUM
DEUTERONS
HELIUM 4
IRRADIATION
NEUTRON SPECTROMETERS
NEUTRONS
PHYSICS
SPECTRA
TRITIUM
VELOCITY