Mass measurement of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow></mrow><mrow><mn>80</mn></mrow></msup></mrow><mi mathvariant="normal">Y</mi></math></span> by β-γ coincidence spectroscopy

C. J. Barton; D. S. Brenner; N. V. Zamfir; M. A. Caprio; A. Aprahamian; M. C. Wiescher; C. W. Beausang; Z. Berant; R. F. Casten; J. R. Cooper; R. L. Gill; R. Krücken; J. R. Novak; N. Pietralla; M. Shawcross; A. Teymurazyan; A. Wolf

doi:10.1103/PhysRevC.67.034310

Mass measurement of $^{80} Y$ by β-γ coincidence spectroscopy

C. J. Barton, D. S. Brenner, N. V. Zamfir, M. A. Caprio, A. Aprahamian, M. C. Wiescher, C. W. Beausang, Z. Berant, R. F. Casten, J. R. Cooper, R. L. Gill, R. Krücken, J. R. Novak, N. Pietralla, M. Shawcross, A. Teymurazyan, and A. Wolf

Phys. Rev. C 67, 034310 – Published 24 March 2003

Abstract

The $Q_{EC}$ value of $^{80} Y$ has been measured by β-γ coincidence spectroscopy to be ⩾8929(83) keV. Combining this result with the adopted mass excess of the daughter $^{80} Sr$ gives a mass excess for $^{80} Y$ of ⩾-61 376(83) keV. Results are compared with other measurements, with Audi-Wapstra systematics, and with predictions of mass formulas. Implications of this measurement are considered for the rp process.

Received 16 December 2002

DOI:https://doi.org/10.1103/PhysRevC.67.034310

Authors & Affiliations

C. J. Barton¹, D. S. Brenner^2,*, N. V. Zamfir^1,2,3, M. A. Caprio¹, A. Aprahamian⁴, M. C. Wiescher⁴, C. W. Beausang¹, Z. Berant^1,2,5, R. F. Casten¹, J. R. Cooper¹, R. L. Gill⁶, R. Krücken¹, J. R. Novak¹, N. Pietralla¹, M. Shawcross⁴, A. Teymurazyan⁴, and A. Wolf^1,2,5

¹WNSL, Yale University, New Haven, Connecticut 06520
²Clark University, Worcester, Massachusetts 01610
³National Institute for Physics and Nuclear Engineering, Bucharest Magurele, Romania
⁴Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556
⁵Nuclear Research Center, Negev, Israel
⁶Brookhaven National Laboratory, Upton, New York 11973

^*Corresponding author. Email address: dbrenner@clarku.edu

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Vol. 67, Iss. 3 — March 2003

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