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A new method for measuring the neutron lifetime using an in situ neutron detector

Authors :
Physics
Morris, C. L.
Adamek, E. R.
Broussard, L. J.
Callahan, N. B.
Clayton, S. M.
Cude-Woods, C.
Currie, S. A.
Ding, X.
Fox, W.
Hickerson, K. P.
Hoffbauer, M. A.
Holley, A. T.
Komives, A.
Liu, C. Y.
Makela, M.
Pattie, R. W., Jr.
Ramsey, J.
Salvat, D. J.
Saunders, A.
Seestrom, S. J.
Sharapov, E. I.
Sjue, S. K.
Tang, Z.
Vanderwerp, J.
Vogelaar, R. Bruce
Walstrom, P. L.
Wang, Z.
Wei, Wanchun
Wexler, J. W.
Womack, T. L.
Young, A. R.
Zeck, B. A.
Physics
Morris, C. L.
Adamek, E. R.
Broussard, L. J.
Callahan, N. B.
Clayton, S. M.
Cude-Woods, C.
Currie, S. A.
Ding, X.
Fox, W.
Hickerson, K. P.
Hoffbauer, M. A.
Holley, A. T.
Komives, A.
Liu, C. Y.
Makela, M.
Pattie, R. W., Jr.
Ramsey, J.
Salvat, D. J.
Saunders, A.
Seestrom, S. J.
Sharapov, E. I.
Sjue, S. K.
Tang, Z.
Vanderwerp, J.
Vogelaar, R. Bruce
Walstrom, P. L.
Wang, Z.
Wei, Wanchun
Wexler, J. W.
Womack, T. L.
Young, A. R.
Zeck, B. A.
Publication Year :
2017

Abstract

In this paper, we describe a new method for measuring surviving neutrons in neutron lifetime measurements using bottled ultracold neutrons (UCN), which provides better characterization of systematic uncertainties and enables higher precision than previous measurement techniques. An active detector that can be lowered into the trap has been used to measure the neutron distribution as a function of height and measure the influence of marginally trapped UCN on the neutron lifetime measurement. In addition, measurements have demonstrated phase-space evolution and its effect on the lifetime measurement. (C) 2017 Author(s).

Details

Database :
OAIster
Notes :
English
Publication Type :
Electronic Resource
Accession number :
edsoai.on1393061416
Document Type :
Electronic Resource

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