Abstract
Differential cross-sections of the 24Mg(p, t)22Mg reaction were measured at 34.68 MeV for the states near the proton threshold at 5.502 MeV in 22Mg. Among them, the new states at 5.962, 6.046, 6.246 and 6.323 MeV, which were reported previously, have been confirmed. Angular distributions for these states were analyzed by distorted-wave Born-approximation calculations to deduce the spins and parities. The angular distribution for the 5.714 MeV state, which is considered to be most crucial for the stellar reaction 21Na(p, γ)22Mg, has been found to be consistent with J π = 2+ assignment. The 6.046 MeV state is newly assigned to have J π = 0+, and the 5.962 MeV state is tentatively assigned to have J π = (1-). These two states will also play an important role for 22Mg production in novae.
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