### PHOTODISINTEGRATION OF Be$sup 9$ FROM THRESHOLD TO 5 MEVPHOTODISINTEGRATION OF Be$sup 9$ FROM THRESHOLD TO 5 MEV

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 Author Jakobson, M. J. Source United States Department of Energy Office of Scientific and Technical Information Content type Text Language English
 Subject Keyword PHYSICS ♦ ANGULAR DISTRIBUTION ♦ ANISOTROPY ♦ BERYLLIUM 8 ♦ BERYLLIUM 9 ♦ BREMSSTRAHLUNG ♦ CROSS SECTIONS ♦ ENERGY RANGE ♦ MEASURED VALUES ♦ PHOTONEUTRONS ♦ PHOTONS ♦ PHOTOPRODUCTION Abstract A bremsstrahlung-photon difference method measurement of the Be/sup 9/( gamma ,n) cross section indicates maxima in the cross section of 1.15 plus or minus 0.15, 0.55 plus or minus 0.1, 1.2 plus or minus 0.2, and 1.0 plus or minus 0.3 mb at energies of 1.70, 2.40, 2.95, and 4.6 Mev, respectively. The angular distribution of the neutrons corresponding to the 1.70 and 4.6 Mev peaks is spherically symmetric; d sigma /d OMEGA = a + b sin/sup 2/ theta (a/b = 1.0 plus or minus 0.2) for the 2.95 Mev peak. (auth) ISSN 0031899X Educational Use Research Learning Resource Type Article Publisher Date 1961-07-01 Publisher Department montana State Univ., Missoula Journal Physical Review Volume Number 123 Organization montana State Univ., Missoula