Production and measurement of stellar neutron spectrum at 30 keV

• DOI: 10.48550/arxiv.2301.11266
• Publication Date: 2023-01-01
• Authors: Praena, Javier; Martín-Hernández,...; López, Javier García
• Keywords: Physics - Instrumentation and Detectors; 0103 physical sciences; FOS: Physical sciences; Instrumentation and Detectors (physics.ins-det); Nuclear Experiment (nucl-ex); Nuclear Experiment; 7. Clean energy; 01 natural sciences

In the present experiment we measure the forward-emitted angle-integrated neutron spectrum of the 7Li(p,n)7Be reaction via time-of-flight neutron spectrometry. The proton beam is shaped to a Gaussian-like distribution with energies close to the reaction threshold upstream the thick lithium target. The angle-integrated neutron spectrum resembles a Maxwellian or stellar neutron spectrum at kT=30 keV.