Direct measurement of the L/K ratio in 7Be electron capture

P. A. Voytas; C. Ternovan; M. Galeazzi; D. McCammon; J. J. Kolata; P. Santi; D. Peterson; V. Guimarães; F. D. Becchetti; M. Y. Lee; T. W. O'Donnell; D. A. Roberts; S. Shaheen

Direct measurement of the L/K ratio in ⁷Be electron capture

P. A. Voytas, C. Ternovan, M. Galeazzi, D. McCammon, J. J. Kolata, P. Santi, D. Peterson, V. Guimarães, F. D. Becchetti, M. Y. Lee, T. W. O'Donnell, D. A. Roberts, S. Shaheen

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

The L/K capture ratio in decay of ⁷Be was measured using a cryogenic microcalorimeter. The time scale for the slowing down of the recoil ⁷Li in the HgTe medium was found to have a lower limit of about 210 fs. Experimental value for the L/K ratio was a factor of about 2 lower than the average existing theoretical predictions for free beryllium.

Original language	English (US)
Article number	012501
Pages (from-to)	125011-125014
Number of pages	4
Journal	Physical Review Letters
Volume	88
Issue number	1
State	Published - Jan 7 2002
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Direct measurement of the L/K ratio in ⁷Be electron capture. / Voytas, P. A.; Ternovan, C.; Galeazzi, M.; McCammon, D.; Kolata, J. J.; Santi, P.; Peterson, D.; Guimarães, V.; Becchetti, F. D.; Lee, M. Y.; O'Donnell, T. W.; Roberts, D. A.; Shaheen, S.

In: Physical Review Letters, Vol. 88, No. 1, 012501, 07.01.2002, p. 125011-125014.

Research output: Contribution to journal › Article › peer-review

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AU - Ternovan, C.

AU - Galeazzi, M.

AU - McCammon, D.

AU - Kolata, J. J.

AU - Santi, P.

AU - Peterson, D.

AU - Guimarães, V.

AU - Becchetti, F. D.

AU - Lee, M. Y.

AU - O'Donnell, T. W.

AU - Roberts, D. A.

AU - Shaheen, S.

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AB - The L/K capture ratio in decay of 7Be was measured using a cryogenic microcalorimeter. The time scale for the slowing down of the recoil 7Li in the HgTe medium was found to have a lower limit of about 210 fs. Experimental value for the L/K ratio was a factor of about 2 lower than the average existing theoretical predictions for free beryllium.

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Direct measurement of the L/K ratio in ⁷Be electron capture

Abstract

ASJC Scopus subject areas

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