Spectral Evolution During Ultracold Neutron Storage

A. Steyerl , S. Malik , P. Geltenbort , S. Neumaier , V. Nesvizhevskii , M. Utsuro , Y. Kawabata

In a precision measurement of the spectrum of ultracold neutrons as it evolves during storage in a “neutron bottle" we have observed an indication of a surprising heating by ≈ 10-10 eV, occurring during the initial several 100 s of storage. We have not found any simple explanation. The data are, however, consistent with unconventional ideas proposed previously by two of us.

Domaines: Articles anciens

A. Steyerl, S. Malik, P. Geltenbort, S. Neumaier, V. Nesvizhevskii, et al.. Spectral Evolution During Ultracold Neutron Storage. Journal de Physique III, 1997, 7 (10), pp.1941-1954. ⟨10.1051/jp3:1997233⟩. ⟨jpa-00249692⟩