Observation of the "head-tail" effect in nuclear recoils of low-energy neutrons

被引：37

作者：

Dujmic, D. ^{[1
]}

Tomita, H. ^{[2
]}

Lewandowska, M. ^{[2
]}

Ahlen, S. ^{[2
]}

Fisher, P. ^{[1
]}

Henderson, S. ^{[1
]}

Kaboth, A. ^{[1
]}

Kohse, G. ^{[1
]}

Lanza, R. ^{[1
]}

Monroe, J. ^{[1
]}

Roccaro, A. ^{[2
]}

Sciolla, G. ^{[1
]}

Skvorodnev, N. ^{[3
]}

Vanderspek, R. ^{[1
]}

Wellenstein, H. ^{[3
]}

Yamamoto, R. ^{[1
]}

机构：

[1] MIT, Cambridge, MA 02139 USA

[2] Boston Univ, Boston, MA 02215 USA

[3] Brandeis Univ, Waltham, MA 02454 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2008年 / 584卷 / 2-3期

关键词：

dark matter; directional detector; nuclear scattering; optical readout; TPC; WIMP;

D O I：

10.1016/j.nima.2007.10.037

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Directional detection of dark matter can provide unambiguous observation of dark matter interactions even in the presence of background. This article presents an experimental method to measure the direction tag ("head-tail") of the dark matter wind by detecting the scintillation light created by the elastic nuclear recoils in the scattering of dark matter particles with the detector material. The technique is demonstrated by tagging the direction of the nuclear recoils created in the scattering of low-energy neutrons with CF4 in a low-pressure time-projection chamber that is developed by the DMTPC collaboration. The measurement of the decreasing ionization rate along the recoil trajectory provides the direction tag of the incoming neutrons, and proves that the "head-tail" effect can be observed. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：327 / 333

页数：7

共 8 条

[1]

BURGOS S, ARXIV07071488

[2] ENDF/B-VII.0: Next generation evaluated nuclear data library for nuclear science and technology [J].

Chadwick, M. B. ;

Oblozinsky, P. ;

Herman, M. ;

Greene, N. M. ;

McKnight, R. D. ;

Smith, D. L. ;

Young, P. G. ;

MacFarlane, R. E. ;

Hale, G. M. ;

Frankle, S. C. ;

Kahler, A. C. ;

Kawano, T. ;

Little, R. C. ;

Madland, D. G. ;

Moller, P. ;

Mosteller, R. D. ;

Page, P. R. ;

Talou, P. ;

Trellue, H. ;

White, M. C. ;

Wilson, W. B. ;

Arcilla, R. ;

Dunford, C. L. ;

Mughabghab, S. F. ;

Pritychenko, B. ;

Rochman, D. ;

Sonzogni, A. A. ;

Lubitz, C. R. ;

Trumbull, T. H. ;

Weinman, J. P. ;

Brown, D. A. ;

Cullen, D. E. ;

Heinrichs, D. P. ;

McNabb, D. P. ;

Derrien, H. ;

Dunn, M. E. ;

Larson, N. M. ;

Leal, L. C. ;

Carlson, A. D. ;

Block, R. C. ;

Briggs, J. B. ;

Cheng, E. T. ;

Huria, H. C. ;

Zerkle, M. L. ;

Kozier, K. S. ;

Courcelle, A. ;

Pronyaev, V. ;

van der Marck, S. C. .

NUCLEAR DATA SHEETS, 2006, 107 (12) :2931-3059

[3] DETECTING COLD DARK-MATTER CANDIDATES [J].

DRUKIER, AK ;

FREESE, K ;

SPERGEL, DN .

PHYSICAL REVIEW D, 1986, 33 (12) :3495-3508

[4] SIGNAL MODULATION IN COLD-DARK-MATTER DETECTION [J].

FREESE, K ;

FRIEMAN, J ;

GOULD, A .

PHYSICAL REVIEW D, 1988, 37 (12) :3388-3405

[5] Direct detection of dark matter [J].

Gaitskell, RJ .

ANNUAL REVIEW OF NUCLEAR AND PARTICLE SCIENCE, 2004, 54 :315-359

[6] Optimizing WIMP directional detectors [J].

Green, Anne M. ;

Morgan, Ben .

ASTROPARTICLE PHYSICS, 2007, 27 (2-3) :142-149

[7] Neutrino backgrounds to dark matter searches [J].

Monroe, Jocelyn ;

Fisher, Peter .

PHYSICAL REVIEW D, 2007, 76 (03)

[8] MOTION OF THE EARTH AND THE DETECTION OF WEAKLY INTERACTING MASSIVE PARTICLES [J].

SPERGEL, DN .

PHYSICAL REVIEW D, 1988, 37 (06) :1353-1355

← 1 →