Total Neutron Cross Sections near 14.1 Mev

Total cross sections of C, Ca, Ti, Ba, La, Ce, Nd, Sm, W, Er, Ta, Au, and Pb for neutrons of energies between 13.1 and 15.6 Mev have been measured by the transmission technique with good geometry. The range of neutron energy was achieved by observing neutrons at various angles from thin tritium targ...

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Veröffentlicht in:	Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, 1958-01, Vol.109 (4), p.1268-1272
1. Verfasser:	Conner, Jerry P.
Format:	Artikel
Sprache:	eng
Schlagworte:	BARIUM CALCIUM CARBON CERIUM COMMUNICATIONS CROSS SECTIONS DEUTERON BEAMS ELECTRODYNAMICS ENERGY LEVELS ENERGY RANGE ERBIUM FAST NEUTRONS FREQUENCY GADOLINIUM GOLD HELIUM INTERACTIONS LANTHANUM LEAD MACHINE PARTS MEASURED VALUES MEV RANGE MIXING NEODYMIUM NEUTRON DETECTION NUMERICALS ORBITS PHYSICS POLARIZATION QUANTUM MECHANICS SAMARIUM SCATTERING SCINTILLATION COUNTERS SPECTRA SPECTRAL SHIFT STILBENE TANTALUM TARGETS TITANIUM TOTAL CROSS SECTIONS TRANSDUCERS TRITIUM VARIATIONS
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Zusammenfassung:	Total cross sections of C, Ca, Ti, Ba, La, Ce, Nd, Sm, W, Er, Ta, Au, and Pb for neutrons of energies between 13.1 and 15.6 Mev have been measured by the transmission technique with good geometry. The range of neutron energy was achieved by observing neutrons at various angles from thin tritium targets bombarded by deuterons of energy up to 450 kev. Geometry was such that a scattering in the sample of more than about 2 deg removed the neutron from the beam to the stilbene scintillation detector. The total cross section of carbon for neutrons was found to vary from 1.41 barns at 13.1 Mev to a minimum of 1.31 barns at 14.2 Mev to 1.49 barns at 15.6 Mev. Other elements showed smaller cross- section variation with energy. (auth)
ISSN:	0031-899X
DOI:	10.1103/PhysRev.109.1268