Observation of ultracold-neutron production by 9- cold neutrons in superfluid helium

H. Yoshiki, K. Sakai, M. Ogura, T. Kawai, Y. Masuda, T. Nakajima, T. Takayama, S. Tanaka, Akira Yamaguchi

Research output: Contribution to journalArticlepeer-review

59 Citations (Scopus)

Abstract

Using velocity-analyzed cold neutrons we observed the production of ultracold neutrons in superfluid He4 at 0.45 to 1.5 K. Ultracold neutrons are produced for an incident neutron wavelength of 8.780.06 which agrees with the single-phonon emission theory. The temperature variation of the ultracold-neutron storage lifetime is also discussed.

Original languageEnglish
Pages (from-to)1323-1326
Number of pages4
JournalPhysical Review Letters
Volume68
Issue number9
DOIs
Publication statusPublished - 1992 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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