【摘 要】
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The asymptotic normalization coefficients (ANCs) for three bound states of 13C (12 C+n) are extracted from the angular distributions of 12C(d,p) reactions at E1
【机 构】
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China Institute of Atomic Energy, P.O. Box 275(10), Beijing 102413
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The asymptotic normalization coefficients (ANCs) for three bound states of 13C (12 C+n) are extracted from the angular distributions of 12C(d,p) reactions at E1ab = 11.8MeV. With these ANCs, the calculated root-meansquare (rms) radii of these three states agree with our previous results. The ANCs are 1.93±0.17, 1.84±0.16and 0.149±0.012fm-1/2, and the rms radii 〈r2〉1/2 are 3.39±0.31, 5.04±0.75 and 3.68±0.40fm for the ground state, the first and third excitation states, respectively. Further analyses show that the first excitation state with D1=50.3% is a true neutron halo state, while the third excitation state with D1=25.2% is a neutron skin state.
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