Purification of liquid xenon and impurity monitoring for a PET detector

Chepel, V.; Lopes, I.; Ferreira‐Marques, R.; Policarpo, A.

doi:10.1016/0168-9002(94)91217-3

Cited by 36 publications

(12 citation statements)

References 13 publications

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“…The attenuation length of scintillation light in liquid xenon obtained in this work is very similar to most of the values reported in literature, ranging from 300 to 400 mm [9,21,22]. An apparent longer attenuation has also been obtained in some measurements where the collection of the reflected light was not taken into account [11,23]. So, in this type of measurements, it is crucial to suppress the collection of reflected light by a proper design of the set-up or to take it into account in the data analysis.…”

Section: Discussionsupporting

confidence: 88%

Measurement of the refractive index and attenuation length of liquid xenon for its scintillation light

Solovov

Chepel

Lopes

et al. 2004

Nuclear Instruments and Methods in Physics Research Section A:

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Section: Discussionsupporting

confidence: 88%

Measurement of the refractive index and attenuation length of liquid xenon for its scintillation light

Solovov

Chepel

Lopes

et al. 2004

Nuclear Instruments and Methods in Physics Research Section A:

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“…The fit yields a value of 1.567±0.008 for n LXe , where only the fit uncertainty is quoted here. This value lies within the range of experimental measurements of the refractive index of LXe reaching from 1.5655 to 1.69 [34][35][36][37].…”

Section: Wafer Sample and Beam Profilesupporting

confidence: 79%

Reflectivity of VUV-sensitive Silicon Photomultipliers in Liquid Xenon

Wagenpfeil,

Ziegler,

Schneider

et al. 2021

Preprint

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Silicon photomultipliers are regarded as a very promising technology for next-generation, cutting-edge detectors for low-background experiments in particle physics. This work presents systematic reflectivity studies of Silicon Photomultipliers (SiPM) and other samples in liquid xenon at vacuum ultraviolet (VUV) wavelengths. A dedicated setup at the University of Münster has been used that allows to acquire angle-resolved reflection measurements of various samples immersed in liquid xenon with 0.45 • angular resolution. Four samples are investigated in this work: one Hamamatsu VUV4 SiPM, one FBK VUV-HD SiPM, one FBK wafer sample and one Large-Area Avalanche Photodiode (LA-APD) from EXO-200. The reflectivity is determined to be 25-36 % at an angle of incidence of 20 • for the four samples and increases to up to 65 % at 70 • for the LA-APD and the FBK samples. The Hamamatsu VUV4 SiPM shows a decline with increasing angle of incidence. The reflectivity results will be incorporated in upcoming light response simulations of the nEXO detector.

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“…For further information on purification methods, material selection and techniques for obtaining acceptable purity of the liquid the reader is referred, for example, to [5,7,194] and references therein. We can also refer [195,155,50,196,197] for some gas purification systems.…”

Section: Liquid Puritymentioning

confidence: 99%

Liquid noble gas detectors for low energy particle physics

Chepel,

Araújo

2012

Preprint

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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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Purification of liquid xenon and impurity monitoring for a PET detector

Cited by 36 publications

References 13 publications

Measurement of the refractive index and attenuation length of liquid xenon for its scintillation light

Measurement of the refractive index and attenuation length of liquid xenon for its scintillation light

Reflectivity of VUV-sensitive Silicon Photomultipliers in Liquid Xenon

Liquid noble gas detectors for low energy particle physics

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