The absolute normalization of spectroscopic factors for proton transfer reactions on35,37Cl

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Abstract
Spin-dependent sum rules for spectroscopic factors have been fitted to proton s1/2 and d3/2 spectroscopic factors obtained from (d,3He) and (3He,d) reactions on 35,37Cl. The fits with suggested spin assignments show deep minima in a plot of expected error in relative spectroscopic factors against absolute magnitude of the spectroscopic factors. Thus, if the relative spectroscopic factors have a 10% error, the absolute magnitudes are determined to about +or-6%. The reduction in pick-up spectroscopic factors on 37Cl found by analysing one set of experimental data is in agreement with more recent (d,3He) data. Theoretical wavefunctions for 35Cl are examined in the light of the results obtained.