Search for 4ncontributions in the reaction¹⁴Be(CH₂,X)¹⁰He

Abstract

Abstract. A previously published measurement of the ground state resonance of 10 He, populated by a reaction of a 59 MeV/u 14 Be beam on a deuterated polyethylene target, was further analyzed to search for 4n emission resulting from 2p removal. No evidence for 4n events was found. A lower limit of about 1 MeV was determined for a possible resonance in 12 He.