Performance of the Los Alamos National Laboratory Spallation-Driven Solid-Deuterium Ultra-Cold Neutron Source

Andrew Saunders; Mark Makela; Yelena Bagdasarova; Henning O. Back; J. Boissevain; Leah J. Broussard; Thomas J. Bowles; R. Carr; Scott A. Currie; Bradley Filippone; A. García; Peter Geltenbort; Kevin P. Hickerson; R. E. Hill; J. Todd Hoagland; S. Hoedl; Anthony T. Holley; Gary E. Hogan; Takeyasu M. Ito; Steve Lamoreaux; Chen-Yu Liu; J. Liu; Russell R. Mammei; J. Martin; Dan Melconian; Michael P. Mendenhall; Charles L. Morris; R. N. Mortensen; Robert W. Pattie; Margaret Pitt; Bradley Plaster; John Ramsey; R. Rios; A. Sallaska; Susan J. Seestrom; E. I. Sharapov; Sky Sjue; Walter E. Sondheim; W. Teasdale; Andrew R. Young; Brittany VornDick; Robert B. Vogelaar; Zhehui Wang; Yanping Xu

doi:10.1063/1.4770063

Performance of the Los Alamos National Laboratory Spallation-Driven Solid-Deuterium Ultra-Cold Neutron Source

Andrew Saunders
, Mark Makela
, Yelena Bagdasarova
, Henning O. Back
, J. Boissevain
, Leah J. Broussard
, Thomas J. Bowles
, R. Carr
, Scott A. Currie
, Bradley Filippone
, A. García
, Peter Geltenbort
, Kevin P. Hickerson
, R. E. Hill
, J. Todd Hoagland
, S. Hoedl
, Anthony T. Holley
, Gary E. Hogan
, Takeyasu M. Ito
, Steve Lamoreaux

Chen-Yu Liu, J. Liu, Russell R. Mammei, J. Martin, Dan Melconian, Michael P. Mendenhall, Charles L. Morris, R. N. Mortensen, Robert W. Pattie, Margaret Pitt, Bradley Plaster, John Ramsey, R. Rios, A. Sallaska, Susan J. Seestrom, E. I. Sharapov, Sky Sjue, Walter E. Sondheim, W. Teasdale, Andrew R. Young, Brittany VornDick, Robert B. Vogelaar, Zhehui Wang, Yanping Xu

Los Alamos National Laboratory
North Carolina State University
California Institute of Technology
University of Washington
Institut Laue-Langevin
University of Indiana
Virginia Tech
Texas AM University
University of Kentucky
Idaho State University
Joint Institute for Nuclear Research
Virginia Tech, Blacksburg

Research output: Contribution to journal › Article › peer-review

Abstract

In this paper, we describe the performance of the Los Alamos spallation-driven solid-deuterium ultracold 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 ∼1500 cm3. © 2013 American Institute of Physics.

Original language	American English
Journal	Review of Scientific Instruments
Volume	84
DOIs	https://doi.org/10.1063/1.4770063
State	Published - Jan 1 2013
Externally published	Yes

Keywords

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

Disciplines

Physics
Nuclear

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Cite this

Saunders, A., Makela, M., Bagdasarova, Y., Back, H. O., Boissevain, J., Broussard, L. J., Bowles, T. J., Carr, R., Currie, S. A., Filippone, B., García, A., Geltenbort, P., Hickerson, K. P., Hill, R. E., Hoagland, J. T., Hoedl, S., Holley, A. T., Hogan, G. E., Ito, T. M., ... Xu, Y. (2013). Performance of the Los Alamos National Laboratory Spallation-Driven Solid-Deuterium Ultra-Cold Neutron Source. Review of Scientific Instruments, 84. https://doi.org/10.1063/1.4770063

Saunders, A, Makela, M, Bagdasarova, Y, Back, HO, Boissevain, J, Broussard, LJ, Bowles, TJ, Carr, R, Currie, SA, Filippone, B, García, A, Geltenbort, P, Hickerson, KP, Hill, RE, Hoagland, JT, Hoedl, S, Holley, AT, Hogan, GE, Ito, TM, Lamoreaux, S, Liu, C-Y, Liu, J, Mammei, RR, Martin, J, Melconian, D, Mendenhall, MP, Morris, CL, Mortensen, RN, Pattie, RW, Pitt, M, Plaster, B, Ramsey, J, Rios, R, Sallaska, A, Seestrom, SJ, Sharapov, EI, Sjue, S, Sondheim, WE, Teasdale, W, Young, AR, VornDick, B, Vogelaar, RB, Wang, Z & Xu, Y 2013, 'Performance of the Los Alamos National Laboratory Spallation-Driven Solid-Deuterium Ultra-Cold Neutron Source', Review of Scientific Instruments, vol. 84. https://doi.org/10.1063/1.4770063

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title = "Performance of the Los Alamos National Laboratory Spallation-Driven Solid-Deuterium Ultra-Cold Neutron Source",

abstract = " In this paper, we describe the performance of the Los Alamos spallation-driven solid-deuterium ultracold 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 ∼1500 cm3. {\textcopyright} 2013 American Institute of Physics.",

keywords = "Los Alamos, National Laboratory, Performance, neutron source, solid-deuterium, spallation-driven, ultra-cold",

author = "Andrew Saunders and Mark Makela and Yelena Bagdasarova and Back, \{Henning O.\} and J. Boissevain and Broussard, \{Leah J.\} and Bowles, \{Thomas J.\} and R. Carr and Currie, \{Scott A.\} and Bradley Filippone and A. Garc{\'i}a and Peter Geltenbort and Hickerson, \{Kevin P.\} and Hill, \{R. E.\} and Hoagland, \{J. Todd\} and S. Hoedl and Holley, \{Anthony T.\} and Hogan, \{Gary E.\} and Ito, \{Takeyasu M.\} and Steve Lamoreaux and Chen-Yu Liu and J. Liu and Mammei, \{Russell R.\} and J. Martin and Dan Melconian and Mendenhall, \{Michael P.\} and Morris, \{Charles L.\} and Mortensen, \{R. N.\} and Pattie, \{Robert W.\} and Margaret Pitt and Bradley Plaster and John Ramsey and R. Rios and A. Sallaska and Seestrom, \{Susan J.\} and Sharapov, \{E. I.\} and Sky Sjue and Sondheim, \{Walter E.\} and W. Teasdale and Young, \{Andrew R.\} and Brittany VornDick and Vogelaar, \{Robert B.\} and Zhehui Wang and Yanping Xu",

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AU - Makela, Mark

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AU - Back, Henning O.

AU - Boissevain, J.

AU - Broussard, Leah J.

AU - Bowles, Thomas J.

AU - Carr, R.

AU - Currie, Scott A.

AU - Filippone, Bradley

AU - García, A.

AU - Geltenbort, Peter

AU - Hickerson, Kevin P.

AU - Hill, R. E.

AU - Hoagland, J. Todd

AU - Hoedl, S.

AU - Holley, Anthony T.

AU - Hogan, Gary E.

AU - Ito, Takeyasu M.

AU - Lamoreaux, Steve

AU - Liu, Chen-Yu

AU - Liu, J.

AU - Mammei, Russell R.

AU - Martin, J.

AU - Melconian, Dan

AU - Mendenhall, Michael P.

AU - Morris, Charles L.

AU - Mortensen, R. N.

AU - Pattie, Robert W.

AU - Pitt, Margaret

AU - Plaster, Bradley

AU - Ramsey, John

AU - Rios, R.

AU - Sallaska, A.

AU - Seestrom, Susan J.

AU - Sharapov, E. I.

AU - Sjue, Sky

AU - Sondheim, Walter E.

AU - Teasdale, W.

AU - Young, Andrew R.

AU - VornDick, Brittany

AU - Vogelaar, Robert B.

AU - Wang, Zhehui

AU - Xu, Yanping

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N2 - In this paper, we describe the performance of the Los Alamos spallation-driven solid-deuterium ultracold 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 ∼1500 cm3. © 2013 American Institute of Physics.

AB - In this paper, we describe the performance of the Los Alamos spallation-driven solid-deuterium ultracold 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 ∼1500 cm3. © 2013 American Institute of Physics.

KW - Los Alamos

KW - National Laboratory

KW - Performance

KW - neutron source

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KW - spallation-driven

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