Search for 7H at RIKEN

Experimental search for the low‐lying 7H resonance was performed in the d(8He,3He)7H reaction with a 8He beam at 42A MeV. No well‐pronounced peak of 7H was observed, but the spectrum has some peculiarities at ∼2 MeV and ∼10.5 MeV above the t+4 n threshold. The d(12Be,3He)11Li reaction simultaneously measured at 71A MeV showed the population of 11Li ground state with the c.m.s. cross section of ≈1 mb/sr.