Methods for nuclear spectroscopy
Measurement of the detection efficiency for 130 MeV neutrons of a cylindrical NE213 cell by the associated particle method

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Abstract

We have measured the detection efficiency of a 12.7 cm Ø × 12.7 cm cell of NE213 liquid scintillator by detecting 130 MeV neutrons in coincidence with 7Be ions produced by the 7Li(p, n)7Be reaction. Experimental considerations are described, and the data are compared to Monte Carlo calculations of the efficiency. The dependence of the detection efficiency on the light output threshold is only qualitatively reproduced, but within the nominal 10% error of such calculations.

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    This work was supported in part by the National Science Foundation and the Department of Energy.

    1

    We wish to acknowledge several useful conversations with Dr. B. D. Anderson and Dr. P. P. Urone concerning the use and modification of the code due to Stanton.

    Present address: Indiana University, Cyclotron Facility, Milo B. Sampson Lane, Bloomington, In. 47401, U.S.A.

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