Plaster, B. and Carr, R. and Filippone, B. W. and Harrison, D. and Hsiao, J. and Ito, T. M. and Liu, J. and Martin, J. W. and Tipton, B. and Yuan, J. (2008) A solenoidal electron spectrometer for a precision measurement of the neutron β-asymmetry with ultracold neutrons. Nuclear Instruments and Methods in Physics Research A, 595 (3). pp. 587-598. ISSN 0168-9002 http://resolver.caltech.edu/CaltechAUTHORS:PLAnima08
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Abstract
We describe an electron spectrometer designed for a precision measurement of the neutron β-asymmetry with spin-polarized ultracold neutrons. The spectrometer consists of a 1.0-T solenoidal field with two identical multiwire proportional chamber and plastic scintillator electron detector packages situated within 0.6-T field-expansion regions. Select results from performance studies of the spectrometer with calibration sources are reported.
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| Additional Information: | Copyright © 2008 Elsevier. Received 12 June 2008; revised 24 July 2008; accepted 27 July 2008. Available online 5 August 2008. We thank R. Cortez and J. Pendlay for their skillful technical contributions to the design, fabrication, and deployment of the detector systems. We thank S. Currie for his devoted efforts to the operation and maintenance of the helium liquefaction plant. We thank the entire UCNA collaboration for many valuable suggestions. This work was supported in part by the National Science Foundation under grant numbers PHY-0079767 (a Major Research Instrumentation Program grant), PHY-0244899, PHY-0555674, and also by the Natural Sciences and Engineering Research Council of Canada. | ||||||||||
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| Subject Keywords: | Neutron beta-decay; Low-energy electron magnetic spectrometer; Ultracold neutrons | ||||||||||
| Record Number: | CaltechAUTHORS:PLAnima08 | ||||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:PLAnima08 | ||||||||||
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| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||
| ID Code: | 12531 | ||||||||||
| Collection: | CaltechAUTHORS | ||||||||||
| Deposited By: | Archive Administrator | ||||||||||
| Deposited On: | 16 Dec 2008 07:19 | ||||||||||
| Last Modified: | 26 Dec 2012 10:34 |
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