Studies of nuclear collisions involving 8 MeV deuterons by the photographic method II. The energy of the excited states of 17 O

Author:

Abstract

The apparatus described in part I has been employed to determine the energy of the excited states of the nucleus 17 O by observations on the protons from the reaction 16 O ( d , p ) 17 O, and on the α-particles from the reaction 19 F( d , α) 17 O . The protons from the first reaction were observed a t five angles of emission with respect to the primary beam, and the α-particles from the second at four angles. Thirteen excited states of 17 O were observed, evidence for ten of which was given by both reactions. The values for the energy in the different excited states, derived from both reactions and at different angles of observation, are in good agreement. The Q -values of the reactions 16 O( d , p ) 17 O and 19 F( d , α) 17 O , in which the 17 O nucleus is formed in its ground state, are 1.928 and 10.042 MeV, respectively. The Q -value for the reaction 16 O( d , α) 14 N was found to be 3.09 MeV, and the existence of two excited states of 14 N was established. Ten excited states of 20 F were observed in a study of the proton groups from the reaction 19 F( d , p ) 20 F.

Publisher

The Royal Society

Subject

Pharmacology (medical)

Reference14 articles.

1. Proton Groups from the Deuteron Bombardment ofF19andP31

2. Bethe H. A. 1947 Elementary nuclear theory p. 124. New York: John Wiley.

3. Magnetic Analysis of theC12(d,p)C13andO16(d,p)O17Reactions

4. Burge E. J. Burrows H. B. Gibson W. M. & Rotblat J. 1951 Proc. Roy. Soc. A. (In the press.)

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