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GENERAL:

The previous compilation (75FI08) listed a small number of references reporting on the four reactions discussed below. Only one of the experiments cited contained any evidence for a 3p resonance, and the discussion suggested that the observed enhancement in ³He(p, n) was more likely a final state interaction. In the work reported since (75FI08) and listed below, only (74POZN) contains any mention of the tri-proton, and no evidence for its existence was observed.

1. 2H(p, π-)3Li

not observed

This reaction was studied at E_π = 24 - 254 MeV (79DA19) and E_π = 585 MeV (80CR03). No evidence for a 3p resonance was reported.

2. 3He(p, n)3Li

not observed

Spectra obtained at E_π = 22 and 25 MeV at θ_n = 3.5° - 40° (74POZN) showed no structure indicative of formation of the tri-proton.

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

not observed

No work was reported on reaction 3.

4. 6Li(3He, 6He)3Li

not observed

No work was reported on reaction 4.