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Spin-Dependent WIMP Limits from a Bubble Chamber

by: E. Behnke, J. I. Collar, P. S. Cooper, K. Crum, M. Crisler, M. Hu, I. Levine, D. Nakazawa, H. Nguyen, B. Odom, E. Ramberg, J. Rasmussen, N. Riley, A. Sonnenschein, M. Szydagis, and R. Tschirhart

In: Science, Vol. 319, Nr. 5865 (2008) , p. 933--936.

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URL:	http://www.sciencemag.org/cgi/content/abstract/319/5865/933
DOI:	10.1126/science.1149999

Bubble chambers were the dominant technology used for particle detection in accelerator experiments for several decades, eventually falling into disuse with the advent of other techniques. We report here on a new application for these devices. We operated an ultraclean, room-temperature bubble chamber containing 1.5 kilograms of superheated CF3I, a target maximally sensitive to spin-dependent and -independent weakly interacting massive particle WIMP couplings. An extreme intrinsic insensitivity to the backgrounds that commonly limit direct searches for dark matter was measured in this device under operating conditions leading to the detection of low-energy nuclear recoils like those expected from WIMPs. Improved limits on the spin-dependent WIMP-proton scattering cross section were extracted during our experiments, excluding this type of coupling as a possible explanation for a recent claim of particle dark-matter detection.

BibTeX record

@article{behnke:2008,
  abstract = {Bubble chambers were the dominant technology used for particle detection
	in accelerator experiments for several decades, eventually falling
	into disuse with the advent of other techniques. We report here on
	a new application for these devices. We operated an ultraclean, room-temperature
	bubble chamber containing 1.5 kilograms of superheated CF3I, a target
	maximally sensitive to spin-dependent and -independent weakly interacting
	massive particle (WIMP) couplings. An extreme intrinsic insensitivity
	to the backgrounds that commonly limit direct searches for dark matter
	was measured in this device under operating conditions leading to
	the detection of low-energy nuclear recoils like those expected from
	WIMPs. Improved limits on the spin-dependent WIMP-proton scattering
	cross section were extracted during our experiments, excluding this
	type of coupling as a possible explanation for a recent claim of
	particle dark-matter detection.},
  added-at = {2010-07-23T07:14:55.000+0200},
  author = {Behnke, E. and Collar, J. I. and Cooper, P. S. and Crum, K. and Crisler, M. and Hu, M. and Levine, I. and Nakazawa, D. and Nguyen, H. and Odom, B. and Ramberg, E. and Rasmussen, J. and Riley, N. and Sonnenschein, A. and Szydagis, M. and Tschirhart, R.},
  biburl = {http://www.bibsonomy.org/bibtex/2f201a0eceba954c1a45824abe500c48f/richterek},
  doi = {10.1126/science.1149999},
  interhash = {4d28ae02fc58a75910226b4ce52d726a},
  intrahash = {f201a0eceba954c1a45824abe500c48f},
  journal = {Science},
  keywords = {astrophysics},
  mendeley-tags = {astrophysics},
  number = 5865,
  pages = {933--936},
  timestamp = {2010-07-23T07:14:55.000+0200},
  title = {{Spin-Dependent WIMP Limits from a Bubble Chamber}},
  type = {Journal article},
  url = {http://www.sciencemag.org/cgi/content/abstract/319/5865/933},
  volume = 319,
  year = 2008
}

Endnote record

%0 Journal Article
%1 behnke:2008
%A Behnke, E.
%A Collar, J. I.
%A Cooper, P. S.
%A Crum, K.
%A Crisler, M.
%A Hu, M.
%A Levine, I.
%A Nakazawa, D.
%A Nguyen, H.
%A Odom, B.
%A Ramberg, E.
%A Rasmussen, J.
%A Riley, N.
%A Sonnenschein, A.
%A Szydagis, M.
%A Tschirhart, R.
%D 2008
%J Science
%K 
%N 5865
%P 933--936
%T {Spin-Dependent WIMP Limits from a Bubble Chamber}
%R 10.1126/science.1149999
%U http://www.sciencemag.org/cgi/content/abstract/319/5865/933
%V 319
%X Bubble chambers were the dominant technology used for particle detection
	in accelerator experiments for several decades, eventually falling
	into disuse with the advent of other techniques. We report here on
	a new application for these devices. We operated an ultraclean, room-temperature
	bubble chamber containing 1.5 kilograms of superheated CF3I, a target
	maximally sensitive to spin-dependent and -independent weakly interacting
	massive particle (WIMP) couplings. An extreme intrinsic insensitivity
	to the backgrounds that commonly limit direct searches for dark matter
	was measured in this device under operating conditions leading to
	the detection of low-energy nuclear recoils like those expected from
	WIMPs. Improved limits on the spin-dependent WIMP-proton scattering
	cross section were extracted during our experiments, excluding this
	type of coupling as a possible explanation for a recent claim of
	particle dark-matter detection.

BibSonomy :: publication ::

Spin-Dependent WIMP Limits from a Bubble Chamber

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Abstract

BibTeX record

Endnote record