Liquid rare gas detectors: recent developments and applications

Lopes, M. I.; Chepel, V.

doi:10.1109/icdl.2002.1022780

Cited by 2 publications

(7 citation statements)

References 46 publications

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“…Neon offers some interesting complementarity in direct searches and is the subject of R&D work. We review briefly some of the existing projects in section 6.…”

Section: Overview Of Detection Principlesmentioning

confidence: 99%

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Liquid noble gas detectors for low energy particle physics

2013

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We review the current status of liquid noble gas radiation detectors with energy threshold in the keV range, which are of interest for direct dark matter searches, measurement of coherent neutrino scattering and other low energy particle physics experiments. Emphasis is given to the operation principles and the most important instrumentation aspects of these detectors, principally of those operated in the double-phase mode. Recent technological advances and relevant developments in photon detection and charge readout are discussed in the context of their applicability to those experiments.

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“…Neon offers some interesting complementarity in direct searches and is the subject of R&D work. We review briefly some of the existing projects in section 6.…”

Section: Overview Of Detection Principlesmentioning

confidence: 99%

“…The authors apologize in advance for inevitable incompleteness. More information can be found in other recently published monographs and review papers [5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Liquid noble gas detectors for low energy particle physics

2013

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“…These two components consequently have (nearly) the same wavelength. The loss of spectral information of the scintillation light in the measurement, however, might influence this intensity ratio: for example, for the case of neon in the gas phase it has been shown that the third excimer continuum 3 only appears for the excitation with heavy ions, but not for the excitation with electrons [11]. As light emission in this continuum is also very fast, see Sect.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, the cross section for coherent WIMP scattering scales with the square of the atomic mass number A [10], also favoring the heavier rare gases. Krypton would, in principle, be a suitable candidate as detector medium, however, it contains non-negligible traces of the radioisotope 85 Kr [3] which beta decays with a Q-value of 687 keV [15]. For these reasons most of the currently operational or planned experiments focus on either argon or xenon.…”

Section: Introductionmentioning

confidence: 99%

“…Liquid rare gases (LRg) are widely used as detector media in various fields like astroparticle physics, high-energy particle physics, or medical diagnostics [1][2][3]. Experiments in astroparticle physics, oftentimes searching for rare events at an energy scale of a few to tens of keV like direct search for Dark Matter in the form of weakly interacting massive particles (WIMPs), search for neutrinoless double beta decay (0νββ), or coherent neutrino nucleus scattering (CNNS), in a e-mail: andreas.ulrich@ph.tum.de particular, benefit from the outstanding particle detection properties of LRg.…”

Section: Introductionmentioning

confidence: 99%

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Ion-beam excitation of liquid argon

et al. 2013

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The scintillation light of liquid argon has been recorded wavelength and time resolved with very good statistics in a wavelength interval ranging from 118 nm through 970 nm. Three different ion beams, protons, sulfur ions and gold ions, were used to excite liquid argon. Only minor differences were observed in the wavelengthspectra obtained with the different incident particles. Light emission in the wavelength range of the third excimer continuum was found to be strongly suppressed in the liquid phase. In time-resolved measurements, the time structure of the scintillation light can be directly attributed to wavelength in our studies, as no wavelength shifter has been used. These measurements confirm that the singlet-to-triplet intensity ratio in the second excimer continuum range is a useful parameter for particle discrimination, which can also be employed in wavelength-integrated measurements as long as the sensitivity of the detector system does not rise steeply for wavelengths longer than 190 nm. Using our values for the singlet-to-triplet ratio down to low energies deposited a discrimination threshold between incident protons and sulfur ions as low as ∼2.5 keV seems possible, which represents the principle limit for the discrimination of these two species in liquid argon.

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Liquid rare gas detectors: recent developments and applications

Cited by 2 publications

References 46 publications

Liquid noble gas detectors for low energy particle physics

Liquid noble gas detectors for low energy particle physics

Ion-beam excitation of liquid argon

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