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STUDIES OF (p,n) REACTIONS WITH A He$sup 3$ ION CHAMBER AND SOME LEVELS IN Ne$sup 1$$sup 9$

Journal Article · · Nuclear Physics (Netherlands) Divided into Nucl. Phys. A and Nucl. Phys. B
;
An ionization chamber, containing He/sup 3/ and krypton to a total pressure of 6.6 atm, is developed for the measurement of fast neutron spectra with an energy resolution varying between 40 and 70 kev for neutrons from a few hundred kev to a few Mev. Some details are given of the properties of this instrument and of the methods evolved for the accurate measurements of Q values of (p,n) reactions. For the Na/sup 23/ (p,n) Mg/sup 23/ reaction, Q values of - 4.835 plus or minus 0.003 and -5.288 plus or minus 0.004 Mev are obtained for the ground and first excited state transitions, respectively. In studies of the F/sup 19/(p,n)Ne/sup 19/ reaction, the third, fourth, and fifth excited states of Ne/sup 19/ are identified at excitation energies of 1.506 plus or minus 0.005, 1.538 plus or minus 0.004, and 1.612 plus or minus 0.005 Mev. (auth)
Research Organization:
Atomic Energy Research Establishment, Harwell, Berks, Eng.
NSA Number:
NSA-17-002291
OSTI ID:
4770618
Journal Information:
Nuclear Physics (Netherlands) Divided into Nucl. Phys. A and Nucl. Phys. B, Journal Name: Nuclear Physics (Netherlands) Divided into Nucl. Phys. A and Nucl. Phys. B Vol. Vol: 38; ISSN NUPHA
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ENERGY
ENERGY LEVELS
EXCITATION
FAST NEUTRONS
FLUORINE 19
HELIUM 3
INSTRUMENTS
IONIZATION CHAMBERS
KRYPTON
MAGNESIUM 23
MEASURED VALUES
NEON 19
NEUTRONS
NUCLEAR REACTIONS
PERFORMANCE
PHYSICS
PRESSURE
PROTON BEAMS
Q-VALUE
RESOLUTION
SODIUM 23
SPECTRA
TRANSIENTS