Szymkiewicz P 1

1. Observation of a positive-parity wave in the low-energy spectrum of He 7
2. Population of tetraneutron continuum in reactions of He 8 on deuterium
3. Resonant states in H 7: Experimental studies of the H 2 (He 8, He 3) reaction
4. H 6 states studied in the H 2 (He 8, He 4) reaction and evidence of an extremely correlated character of the H 5 ground state
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