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Characterization of solid hydrogen targets |
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| Authors: | Fujiwara M. C. Bailey J. M. Beer G. A. Beveridge J. L. Douglas J. L. Huber T. M. Jacot-Guillarmod R. Kammel P. Kim S. K. Knowles P. E. Kunselman A. R. Maier M. Marshall G. M. Martoff C. J. Mason G. R. Mulhauser F. Olin A. Petitjean C. Porcelli T. A. Zmeskal J. |
| Affiliation: | (1) University of British Columbia, V6T2A6 Vancouver, British Columbia, Canada;(2) Chester Technology, England;(3) University of Victoria, V8W 2Y2 Victoria, British Columbia, Canada;(4) TRIUMF, V6T 2A3 Vancouver, British Columbia, Canada;(5) Gustavus Adolphus College, 56082 St. Peter, MN, USA;(6) Université de Fribourg, CH-1700 Fribourg, Switzerland;(7) Lawrence Berkeley Laboratory, 94720 Berkeley, CA, USA;(8) Jeonbuk National University, 560-756 Jeonju City, S. Korea;(9) University of Wyoming, 82071 Laramie, WY, USA;(10) Temple University, 19122 Philadelphia, PA, USA;(11) Paul Scherrer Institute, CH-5232 Villigen, Switzerland;(12) Austrian Academy of Sciences, A-1090 Wien, Austria;(13) Present address: Université de Fribourg, CH-1700 Fribourg, Switzerland |
| Abstract: | In experiments using the TRIUMF solid hydrogen target system, the knowledge of the target thickness and uniformity is often essential in order to extract physical parameters from the data. We have characterized the thickness and uniformity of frozen targets using the energy loss of alpha particles. An accuracy of  5% was achieved, a limit imposed by the uncertainty in the stopping powers: The details of the method are described, and the thickness calibration of the target is presented. |
| Keywords: | muon-catalyzed fusion thickness measurement solid hydrogen |
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