Neutron velocity distribution from a superthermal solid 2H2 ultracold neutron source

被引：20
作者：
Altarev, I. [1 ]
Daum, M. [4 ]
Frei, A. [1 ]
Gutsmiedl, E. [1 ]
Hampel, G. [2 ]
Hartmann, F. J. [1 ]
Heil, W. [3 ]
Knecht, A. [4 ,6 ]
Kratz, J. V. [2 ]
Lauer, T. [2 ]
Meier, M. [4 ]
Paul, S. [1 ]
Schmidt, U. [5 ]
Sobolev, Y. [2 ]
Wiehl, N. [2 ]
Zsigmond, G. [4 ]
机构：
[1] Tech Univ Munich, Dept Phys, D-85748 Garching, Germany
[2] Johannes Gutenberg Univ Mainz, Inst Kernchem, D-55128 Mainz, Germany
[3] Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany
[4] Paul Scherrer Inst, PSI, CH-5232 Villigen, Switzerland
[5] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany
[6] Univ Zurich, Dept Phys, CH-8006 Zurich, Switzerland
来源：
EUROPEAN PHYSICAL JOURNAL A | 2008年 / 37卷 / 01期
关键词：
D O I：
10.1140/epja/i2008-10604-8
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We have determined for the first time the velocity distribution of neutrons from a solid H-2(2) ultracold neutron (UCN) source: The spectrum rises sharply above 4.5m/s and has a maximum around 7m/s after transport in an 8m long guide. The number of neutrons in the UCN velocity range (< 7m/s) may be increased by a factor of two by placing the experiment I m above the UCN source level.
引用
收藏
页码：9 / 14
页数：6
相关论文
共 43 条
  • [1] Direct experimental verification of neutron acceleration by the material optical potential of solid 2H2
    Altarev, I.
    Atchison, F.
    Daum, M.
    Frei, A.
    Gutsmiedl, E.
    Hampel, G.
    Hartmann, F. J.
    Heil, W.
    Knecht, A.
    Kratz, J. V.
    Lauer, T.
    Meier, M.
    Paul, S.
    Sobolev, Y.
    Wiehl, N.
    [J]. PHYSICAL REVIEW LETTERS, 2008, 100 (01)
  • [2] ALTAREV I, 2005, 939 ILL
  • [3] ALTAREV I, 2007, NUCL INSTRUM METH A, V578, P450
  • [4] Neutron life time value measured by storing ultracold neutrons with detection of inelastically scattered neutrons
    Arzumanov, S
    Bondarenko, L
    Chernavsky, S
    Drexel, W
    Fomin, A
    Geltenbort, P
    Morozov, V
    Panin, Y
    Pendlebury, J
    Schreckenbach, K
    [J]. PHYSICS LETTERS B, 2000, 483 (1-3) : 15 - 22
  • [5] Storage of ultracold neutrons in a volume coated with diamondlike carbon
    Atchison, F.
    Blau, B.
    Daum, M.
    Fierlinger, P.
    Geltenbort, P.
    Henneck, R.
    Heule, S.
    Kasprzak, M.
    Kirch, K.
    Kohlik, K.
    Kuzniak, M.
    Meier, M.
    Meyer, C. -F.
    Pichlmaier, A.
    Plonka, C.
    Schmidt-Wellenburg, P.
    Schultrich, B.
    Stucky, Th.
    Weihnacht, V.
    Zimmer, O.
    [J]. PHYSICAL REVIEW C, 2006, 74 (05):
  • [6] Measurement of the Fermi potential of diamond-like carbon and other materials
    Atchison, F.
    Blau, B.
    Daum, M.
    Fierlinger, P.
    Geltenbort, P.
    Gupta, M.
    Henneck, R.
    Heule, S.
    Kasprzak, M.
    Knecht, A.
    Kuzniak, M.
    Kirch, K.
    Meier, M.
    Pichlmaier, A.
    Reiser, R.
    Theiler, B.
    Zimmer, O.
    Zsigmond, G.
    [J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 2007, 260 (02) : 647 - 656
  • [7] Measured total cross sections of slow neutrons scattered by solid deuterium and implications for ultracold neutron sources -: art. no. 182502
    Atchison, F
    Blau, B
    van den Brandt, B
    Brys, T
    Daum, M
    Fierlinger, P
    Hautle, P
    Henneck, R
    Heule, S
    Kirch, K
    Kohlbrecher, J
    Kühne, G
    Konter, JA
    Pichlmaier, A
    Wokaun, A
    Bodek, K
    Kasprzak, M
    Kuzniak, M
    Geltenbort, P
    Zmeskal, J
    [J]. PHYSICAL REVIEW LETTERS, 2005, 95 (18)
  • [8] Diamondlike carbon can replace beryllium in physics with ultracold neutrons
    Atchison, F.
    Blau, B.
    Daum, M.
    Fierlinger, P.
    Foelske, A.
    Geltenbort, P.
    Gupta, M.
    Henneck, R.
    Heule, S.
    Kasprzak, M.
    Kuzniak, M.
    Kirch, K.
    Meier, M.
    Pichmaier, A.
    Plonka, Ch.
    Reiser, R.
    Theiler, B.
    Zimmer, O.
    Zsigmond, G.
    [J]. PHYSICS LETTERS B, 2006, 642 (1-2) : 24 - 27
  • [9] Production of ultracold neutrons from a cold neutron beam on a 2H2 target -: art. no. 054601
    Atchison, F
    van den Brandt, B
    Brys, T
    Daum, M
    Fierlinger, P
    Hautle, P
    Henneck, R
    Heule, S
    Kasprzak, M
    Kirch, K
    Konter, JA
    Michels, A
    Pichlmaier, A
    Wohlmuther, M
    Wokaun, A
    Bodek, K
    Szerer, U
    Geltenbort, P
    Zmeskal, J
    Pokotilovskiy, Y
    [J]. PHYSICAL REVIEW C, 2005, 71 (05):
  • [10] First storage of ultracold neutrons using foils coated with diamond-like carbon
    Atchison, F
    Brys, T
    Daum, M
    Fierlinger, P
    Geltenbort, P
    Henneck, R
    Heule, S
    Kasprzak, M
    Kirch, K
    Pichlmaier, A
    Plonka, C
    Straumann, U
    Wermelinger, C
    [J]. PHYSICS LETTERS B, 2005, 625 (1-2) : 19 - 25
12345