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Phys. Rev. Lett. 85, 4446–4449 (2000)

Measurement of Gamow-Teller Strength for 176Yb176Lu and the Efficiency of a Solar Neutrino Detector

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M. Bhattacharya1,2,3,*, C. D. Goodman1, R. S. Raghavan4, M. Palarczyk5,†, A. García2, J. Rapaport5, I. J. van Heerden1,‡, and P. Zupranski6
1Indiana University Cyclotron Facility, Bloomington, Indiana 47408
2University of Notre Dame, Notre Dame, Indiana 46556
3Nuclear Physics Laboratory, University of Washington, Seattle, Washington 98195
4Bell Laboratories, Lucent Technologies, Murray Hill, New Jersey 07974
5Ohio University, Athens, Ohio 45701
6The Andrzej Soltan Institute for Nuclear Studies, 00-689 Warsaw, Poland

Received 9 June 2000; published in the issue dated 20 November 2000

We report a 0° 176Yb(p,n)176Lu measurement at IUCF where we used 120 and 160 MeV protons and the energy dependence method to determine Gamow-Teller (GT) matrix elements relative to the model independent Fermi matrix element. The data show that there is an isolated concentration of GT strength in the low-lying 1+ states making the proposed Low Energy Neutrino Spectroscopy detector (based on neutrino captures on 176Yb) sensitive to pp and 7Be neutrinos and a promising detector to resolve the solar neutrino problem.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.4446
DOI:
10.1103/PhysRevLett.85.4446
PACS:
26.65.+t, 25.40.Kv, 27.70.+q

*Email address: mbhattac@marie.npl.washington.edu

Permanent address: Henryk Niewondniczański Institute of Nuclear Physics, 31-342 Kraków, Poland.

Permanent address: University of Western Cape, Bellville, South Africa.