Information on mass chains and nuclides available on this website:

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GENERAL: See also (79AJ01) and Table 7.1 [Table of Energy Levels] (in PDF or PS).

Reactions involving pions:(FU78G, BA79N, PE79A).

Hypernuclei:(DA78S, SO78D, BU79L, WA81D, KO82N).

Other topics:(BE79A, AV81B, AW82, NG82).

1. 7Li(π-, γ)7He

Qm = 128.36

See (79AJ01).

2. 7Li(n, p)7He

Qm = -10.42

At E_n = 14.8 MeV a proton group is reported corresponding to ⁷He_g.s.: Γ < 0.2 MeV: see (79AJ01). See also (BR81H).

3. 7Li(t, 3He)7He

Qm = -11.18

The ³He particles to the ground state of ⁷He have been observed at E_t = 22 MeV. The width of the ground state is 160 ± 30 keV; for a radius of 2.2 fm and l_n = 1, this width is 0.22 of the Wigner limit. The angular distribution is peaked in the forward direction. No other states of ⁷He were observed for E_x < 2.4 MeV: see (79AJ01).

4. 9Be(6Li, 8B)7He

Qm = -23.60

At E⁶Li) = 80.0 and 93.3 MeV the ground state of ⁷He is strongly populated, indicating negative parity, as expected. There is no indication of relatively sharp states of ⁷He with E_x < / = 10 MeV (WE77A).