Performance of the Los Alamos National Laboratory spallation-driven solid-deuterium ultra-cold neutron source

被引：57

作者：

Saunders, A. ^{[1
]}

Makela, M. ^{[1
]}

Bagdasarova, Y. ^{[1
]}

Back, H. O. ^{[2
]}

Boissevain, J. ^{[1
]}

Broussard, L. J. ^{[2
]}

Bowles, T. J. ^{[1
]}

Carr, R. ^{[3
]}

Currie, S. A. ^{[1
]}

Filippone, B. ^{[3
]}

Garcia, A. ^{[4
]}

Geltenbort, P. ^{[5
]}

Hickerson, K. P. ^{[3
]}

Hill, R. E. ^{[1
]}

Hoagland, J. ^{[2
]}

Hoedl, S. ^{[4
]}

Holley, A. T. ^{[2
]}

Hogan, G. ^{[1
]}

Ito, T. M. ^{[1
,3
]}

Lamoreaux, Steve ^{[1
,6
]}

Liu, Chen-Yu ^{[7
]}

Liu, J. ^{[3
,8
]}

Mammei, R. R. ^{[9
]}

Martin, J. ^{[3
,10
]}

Melconian, D. ^{[11
]}

Mendenhall, M. P. ^{[3
]}

Morris, C. L. ^{[1
]}

Mortensen, R. N. ^{[1
]}

Pattie, R. W., Jr. ^{[2
]}

Pitt, M. ^{[9
]}

Plaster, B. ^{[12
]}

Ramsey, J. ^{[1
]}

Rios, R. ^{[13
]}

Sallaska, A. ^{[4
]}

Seestrom, S. J. ^{[1
]}

Sharapov, E. I. ^{[14
]}

Sjue, S. ^{[1
,4
]}

Sondheim, W. E. ^{[1
]}

Teasdale, W. ^{[1
]}

Young, A. R. ^{[2
]}

VornDick, B. ^{[2
]}

Vogelaar, R. B. ^{[9
]}

Wang, Z. ^{[1
]}

Xu, Yanping ^{[2
]}

机构：

[1] Los Alamos Natl Lab, Los Alamos, NM 87544 USA

[2] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

[3] CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA

[4] Univ Washington, Dept Phys, Seattle, WA 98195 USA

[5] Inst Laue Langevin, F-38042 Grenoble 9, France

[6] Yale Univ, Dept Phys, New Haven, CT 06520 USA

[7] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA

[8] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200240, Peoples R China

[9] Virginia Tech, Dept Phys, Blacksburg, VA 24061 USA

[10] Univ Winnipeg, Winnipeg, MB R3B 2E9, Canada

[11] Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA

[12] Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA

[13] Idaho State Univ, Dept Phys, Pocatello, ID 83209 USA

[14] Joint Inst Nucl Res, Dubna 141980, Russia

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2013年 / 84卷 / 01期

基金：

美国国家科学基金会;

关键词：

LIFETIME MEASUREMENT; MAMBO II; REACTOR; STORAGE; RATES; UCN;

D O I：

10.1063/1.4770063

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In this paper, we describe the performance of the Los Alamos spallation-driven solid-deuterium ultra-cold neutron (UCN) source. Measurements of the cold neutron flux, the very low energy neutron production rate, and the UCN rates and density at the exit from the biological shield are presented and compared to Monte Carlo predictions. The cold neutron rates compare well with predictions from the Monte Carlo code MCNPX and the UCN rates agree with our custom UCN Monte Carlo code. The source is shown to perform as modeled. The maximum delivered UCN density at the exit from the biological shield is 52(9) UCN/cc with a solid deuterium volume of similar to 1500 cm(3). (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4770063]

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