QUPID, a single photon sensor for extremely low radioactivity

Fukasawa, A.; Arisaka, K.; Wang, H.; Suyama, Motohiro

doi:10.1016/j.nima.2010.02.218

Cited by 4 publications

(5 citation statements)

References 8 publications

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“…The liquid xenon scintillation signals from 122 keV γ-rays and α-particles were recorded [256]. Tests at even lower temperature described in [291] have confirmed that the QUPID can operate down to −175 • C. An example of an amplitude spectrum measured with weak light pulses, showing that single photoelectrons are clearly resolved, is shown in figure 21 f.…”

Section: Hybrid Devicesmentioning

confidence: 82%

“…This device is known as the 'QUPID' -QUartz Photon Intensifying Detector [260,291,256]. The QUPID is made of a quartz tube of 71 mm diameter with a hemispherical photocathode window (Figure 23).…”

Section: Hybrid Devicesmentioning

confidence: 99%

“…A collaborative effort between UCLA and Hamamatsu has been developing a dedicated hybrid photosensor for dark matter experiments with special requirements of low radioactivity content, capability to operate at liquid xenon temperature, high quantum efficiency and good single electron response. This device is known as the 'QUPID' -QUartz Photon Intensifying Detector [256,260,291]. The QUPID is made of a quartz tube of 71 mm diameter with a hemispherical photocathode window (figure 23).…”

Section: Hybrid Devicesmentioning

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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Section: Hybrid Devicesmentioning

confidence: 82%

Section: Hybrid Devicesmentioning

confidence: 99%

Section: Hybrid Devicesmentioning

confidence: 99%

See 1 more Smart Citation

Liquid noble gas detectors for low energy particle physics

2013

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show abstract

“…A collaborative effort between UCLA and Hamamatsu has been developing a dedicated hybrid photosensor for dark matter experiments with special requirements of low radioactivity content, capability to operate at liquid xenon temperature, high quantum efficiency and good single electron response. This device is known as the 'QUPID' -QUartz Photon Intensifying Detector [260,291,256]. The QUPID is made of a quartz tube of 71 mm diameter with a hemispherical photocathode window (Figure 23).…”

Section: Hybrid Devicesmentioning

confidence: 99%

Liquid noble gas detectors for low energy particle physics

Chepel,

Araújo

2012

Preprint

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“…This effect has been investigated extensively in the context of the DarkSide-50 experiment. DarkSide-50 is a proposed direct-detection dark matter experiment based on a 2-phase argon TPC, which will make use of argon depleted in 39 Ar from recently identified underground sources [20], and which will use the new ultra-low-background QUPID photon detectors [21]. These features, in addition to the use of a high-efficiency neutron veto, should not only give the 50 kg experiment a significant physics reach and the ability to make a convincing dark matter detection claim based on the observation of a few events, but will also give the relatively small experiment the potential to demonstrate directly that a larger detector of similar design could be operated in a background-free mode for several ton-years.…”

Section: A Boron-loaded Scintillator Neutron Vetomentioning

confidence: 99%

A highly efficient neutron veto for dark matter experiments

Wright

Mosteiro

Loer

et al. 2011

Nuclear Instruments and Methods in Physics Research Section A:

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We present a conceptual design for an active neutron veto, based on boron-loaded liquid scintillator, for use in direct-detection dark matter experiments. The simulated efficiency of a 1 meter thick veto, after including the effects of neutron captures in the inner detector and inefficiencies due to feed-throughs into the veto, is greater than 99.5% for background events produced by radiogenic neutrons, while the background due to externally produced cosmogenic neutrons is reduced by more than 95%. The ability of the veto to both significantly suppress, and provide in situ measurements of, these two dominant sources of background would make the next generation of dark matter experiments much more robust, and dramatically improve the credibility of a dark matter detection claim based on the observation of a few recoil events. The veto would also allow direct extrapolation between the background-free operation of a small detector and the physics reach of a larger detector of similar construction.

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QUPID, a single photon sensor for extremely low radioactivity

Cited by 4 publications

References 8 publications

Liquid noble gas detectors for low energy particle physics

Liquid noble gas detectors for low energy particle physics

Liquid noble gas detectors for low energy particle physics

A highly efficient neutron veto for dark matter experiments

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