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Dark Matter Time Projection Chamber : Recent R&DResults

Published online by Cambridge University Press:  15 February 2012

F. Mayet ,
D. Santos ,
J.B.R. Battat ,
S. Ahlen ,
M. Chernicoff ,
C. Deaconu ,
D. Dujmic ,
A. Dushkin ,
P. Fisher  and
S. Henderson
...Show all authors
J.B.R. Battat
Affiliation:
Physics Department, Bryn Mawr College; Bryn Mawr, PA 19010, USA. e-mail: jbattat@brynmawr.edu ;
S. Ahlen
Affiliation:
Physics Department, Boston University, Boston, MA 02215, USA
M. Chernicoff
Affiliation:
Physics Department, Boston University, Boston, MA 02215, USA
C. Deaconu
Affiliation:
MIT Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
D. Dujmic
Affiliation:
Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA Physics Department, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
A. Dushkin
Affiliation:
Physics Department, Brandeis University, Waltham, MA 02453, USA
P. Fisher
Affiliation:
Physics Department, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
S. Henderson
Affiliation:
Physics Department, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
A. Inglis
Affiliation:
Physics Department, Boston University, Boston, MA 02215, USA
A. Kaboth
Affiliation:
Physics Department, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
L. Kirsch
Affiliation:
Physics Department, Brandeis University, Waltham, MA 02453, USA
J.P. Lopez
Affiliation:
Physics Department, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
J. Monroe
Affiliation:
Physics Department, Royal Holloway, University of London, Egham TW20 0EX, UK
H. Ouyang
Affiliation:
Physics Department, Brandeis University, Waltham, MA 02453, USA
G. Sciolla
Affiliation:
Physics Department, Brandeis University, Waltham, MA 02453, USA
H. Tomita
Affiliation:
Physics Department, Boston University, Boston, MA 02215, USA
H. Wellenstein
Affiliation:
Physics Department, Brandeis University, Waltham, MA 02453, USA
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Abstract

The Dark Matter Time Projection Chamber collaboration recently reported a dark matterlimit obtained with a 10 liter time projection chamber filled with CF4 gas. The10 liter detector was capable of 2D tracking (perpendicular to the drift direction) and 2Dfiducialization, and only used information from two CCD cameras when identifying tracksand rejecting backgrounds. Since that time, the collaboration has explored the potentialbenefits of photomultiplier tube and electronic charge readout to achieve 3D tracking, andparticle identification for background rejection. The latest results of this effort isdescribed here.

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References

Ahlen, S., et al., 2010, Int. J. Mod. Phys. A, 25, 1 CrossRef
[DMTPC Collaboration]Ahlen, S., et al., 2011, Phys. Lett. B, 695, 124 CrossRef
[DMTPC Collaboration] Lopez, J.P., et al., 2011 [arXiv:1109.3501]
Fetal, S.T.G., et al., 2007, Nucl. Inst. Meth. Phys. Res. A, 581, 202 CrossRef
Tomita, H., 2011, Ph.D. Thesis “Detector Development for Direction-Sensitive Dark Matter Research”