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A high efficiency p...
A high efficiency photon veto for the Light Dark Matter eXperiment
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- Åkesson, Torsten (author)
- Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Blinov, Nikita (author)
- Fermi National Accelerator Laboratory
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- Bryngemark, Lene (author)
- Stanford University
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- Colegrove, Owen (author)
- University of California, Santa Barbara
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- Collura, Giulia (author)
- University of California, Santa Barbara
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- Dukes, Craig (author)
- University of Virginia
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- Dutta, Valentina (author)
- University of California, Santa Barbara
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- Echenard, Bertrand (author)
- California Institute of Technology
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- Eichlersmith, Thomas (author)
- University of Minnesota
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- Group, Craig (author)
- University of Virginia
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- Hiltbrand, Joshua (author)
- University of Minnesota
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- Hitlin, David G. (author)
- California Institute of Technology
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- Incandela, Joseph (author)
- University of California, Santa Barbara
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- Krnjaic, Gordan (author)
- Fermi National Accelerator Laboratory
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- Lazaro, Juan (author)
- University of California, Santa Barbara
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- Li, Amina (author)
- University of California, Santa Barbara
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- Mans, Jeremiah (author)
- University of Minnesota
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- Masterson, Phillip (author)
- University of California, Santa Barbara
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- McCormick, Jeremy (author)
- Stanford Linear Accelerator Center (SLAC)
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- Moreno, Omar (author)
- Stanford Linear Accelerator Center (SLAC)
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- Mullier, Geoffrey (author)
- Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Nagar, Akshay (author)
- University of California, Santa Barbara
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- Nelson, Timothy (author)
- Stanford Linear Accelerator Center (SLAC)
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- Niendorf, Gavin (author)
- University of California, Santa Barbara
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- Oyang, James (author)
- California Institute of Technology
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- Petersen, Reese (author)
- University of Minnesota
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- Pöttgen, Ruth (author)
- Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Schuster, Philip (author)
- Stanford Linear Accelerator Center (SLAC)
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- Siegel, Harrison (author)
- University of California, Santa Barbara
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- Toro, Natalia (author)
- Stanford Linear Accelerator Center (SLAC)
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- Tran, Nhan (author)
- Fermi National Accelerator Laboratory
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- Whitbeck, Andrew (author)
- Texas Tech University
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(creator_code:org_t)
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- 2020
- 2020
- English.
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In: Journal of High Energy Physics. - 1126-6708. ; 2020:4
- Related links:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- Fixed-target experiments using primary electron beams can be powerful discovery tools for light dark matter in the sub-GeV mass range. The Light Dark Matter eXperiment (LDMX) is designed to measure missing momentum in high-rate electron fixed-target reactions with beam energies of 4 GeV to 16 GeV. A prerequisite for achieving several important sensitivity milestones is the capability to efficiently reject backgrounds associated with few-GeV bremsstrahlung, by twelve orders of magnitude, while maintaining high efficiency for signal. The primary challenge arises from events with photo-nuclear reactions faking the missing-momentum property of a dark matter signal. We present a methodology developed for the LDMX detector concept that is capable of the required rejection. By employing a detailed Geant4-based model of the detector response, we demonstrate that the sampling calorimetry proposed for LDMX can achieve better than 10−13 rejection of few-GeV photons. This suggests that the luminosity-limited sensitivity of LDMX can be realized at 4 GeV and higher beam energies. [Figure not available: see fulltext.]
Subject headings
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- Beyond Standard Model
- Dark matter
- Fixed target experiments
Publication and Content Type
- art (subject category)
- ref (subject category)
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To the university's database
- By the author/editor
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Åkesson, Torsten
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Blinov, Nikita
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Bryngemark, Lene
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Colegrove, Owen
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Collura, Giulia
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Dukes, Craig
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show more...
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Dutta, Valentina
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Echenard, Bertra ...
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Eichlersmith, Th ...
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Group, Craig
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Hiltbrand, Joshu ...
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Hitlin, David G.
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Incandela, Josep ...
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Krnjaic, Gordan
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Lazaro, Juan
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Li, Amina
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Mans, Jeremiah
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Masterson, Phill ...
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McCormick, Jerem ...
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Moreno, Omar
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Mullier, Geoffre ...
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Nagar, Akshay
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Nelson, Timothy
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Niendorf, Gavin
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Oyang, James
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Petersen, Reese
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Pöttgen, Ruth
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Schuster, Philip
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Siegel, Harrison
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Toro, Natalia
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Tran, Nhan
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Whitbeck, Andrew
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Accelerator Phys ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Subatomic Physic ...
- Articles in the publication
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Journal of High ...
- By the university
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Lund University