Elsevier

Nuclear Physics A

Volume 191, Issue 3, 4 September 1972, Pages 468-480
Nuclear Physics A

Four-nucleon studies: (III). Measurement of the 2H(d, p)3H polarization via the 3H(, d)2H reaction and comparison to polarization in 2H(d, n)3He

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Abstract

Accurate angular distributions of the analyzing power in the 3H(p, d)2H reaction were measured at eight energies from 6.7 to 14.7 MeV. By reciprocity, these analyzing powers are the same as the proton polarizations of the 2H(d, p)3H reaction from 2.0 to 14.0 MeV. The products P1 (θ)σ(θ) were fitted with a series of even-order associated Legendre functions, and two terms in the series were found to be sufficient to describe the reaction up to 14 MeV. Comparisons are made with the polarizations from the mirror reaction 2H(d, n)3He, and good agreement is found when the reactions are compared at the same exit-channel energies. The implications of this are discussed in the light of other recent comparisons which suggest that differences in these mirror reactions may be a violation of charge symmetry of nuclear forces.

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    Present address: PDOR-E, Los Alamos Scientific Laboratory, Los Alamos, New Mexico.

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