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Titolo:
Performance of the prototype LANL solid deuterium ultra-cold neutron source
Autore:
Hill, RE; Anaya, JM; Bowles, TJ; Greene, GL; Hogan, G; Lamoreaux, S; Marek, L; Mortenson, R; Morris, CL; Saunders, A; Seestrom, SJ; Teasdale, W; Hoedl, S; Liu, CY; Smith, DA; Young, A; Filippone, BW; Hua, J; Ito, T; Pasyuk, E; Geltenbort, P; Garcia, A; Fujikawa, B; Baessler, S; Serebrov, A;
Indirizzi:
Univ Calif Los Alamos Natl Lab, Los Alamos, NM 87545 USA Univ Calif Los Alamos Natl Lab Los Alamos NM USA 87545 amos, NM 87545 USA Princeton Univ, Princeton, NJ 08544 USA Princeton Univ Princeton NJ USA 08544 ceton Univ, Princeton, NJ 08544 USA CALTECH, Pasadena, CA 91125 USA CALTECH Pasadena CA USA 91125CALTECH, Pasadena, CA 91125 USA Joint Inst Nucl Res Dubna, Dubna, Russia Joint Inst Nucl Res Dubna DubnaRussia st Nucl Res Dubna, Dubna, Russia Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France Inst Max Von Laue Paul Langevin Grenoble France F-38042 Grenoble, France Univ Notre Dame, Notre Dame, IN 46556 USA Univ Notre Dame Notre Dame IN USA 46556 re Dame, Notre Dame, IN 46556 USA Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA Univ Calif Berkeley Berkeley CA USA 94720 ley Lab, Berkeley, CA 94720 USA Univ Washington, Seattle, WA 98195 USA Univ Washington Seattle WA USA 98195 iv Washington, Seattle, WA 98195 USA Petersburg Nucl Phys Inst, St Petersburg, Russia Petersburg Nucl Phys Inst St Petersburg Russia t, St Petersburg, Russia
Titolo Testata:
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
fascicolo: 3, volume: 440, anno: 2000,
pagine: 674 - 681
SICI:
0168-9002(20000211)440:3<674:POTPLS>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
3
Recensione:
Indirizzi per estratti:
Indirizzo: Hill, RE Univ Calif Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA Univ Calif Los Alamos Natl Lab POB 1663 Los Alamos NM USA 87545 A
Citazione:
R.E. Hill et al., "Performance of the prototype LANL solid deuterium ultra-cold neutron source", NUCL INST A, 440(3), 2000, pp. 674-681

Abstract

A prototype of a solid deuterium (SD2) source of Ultra-Cold Neutrons (UCN)is currently being tested at LANSCE. The source is contained within an assembly consisting of a 4 K polyethylene moderator surrounded by a 77 K beryllium flux trap in which is embedded a spallation target. Time-of-flight measurements have been made of the cold neutron spectrum emerging directly from the flux trap assembly. A comparison is presented of these measurements with results of Monte Carlo (LAHET/MCNP) calculations of the cold neutron fluxes produced in the prototype assembly by a beam of 800 MeV protons incident on the tungsten target. A UCN detector was coupled to the assembly through a guide system with a critical velocity of 8 m/s (Ni-58). The rates and time-of-flight data from this detector art: compared with calculated values. Measurements of UCN production as a function of SD. volume (thickness) are compared with predicted values. The dependence of UCN production on SD, temperature and proton beam intensity are also presented. (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 03/12/20 alle ore 12:55:05