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In order to assess the performance of liquid xenon detectors for use in positron emission tomography we studied the scintillation light and ionization charge produced by 511 keV photons in a small prototype detector. Scintillation light was…

Instrumentation and Detectors · Physics 2009-09-24 P. Amaudruz , D. Bryman , L. Kurchaninov , P. Lu , C. Marshal , J. P. Martin , A. Muennich , F. Retiere , A. Sher

The interaction of radiation with liquid xenon, inducing both scintillation and ionization signals, is of particular interest for Compton-sequences reconstruction. We report on the development and recent results of a liquid-xenon…

We propose PET scanners using low atomic number media that undergo a persistent local change of state along the paths of the Compton recoil electrons. Measurement of the individual scattering locations and angles, deposited energies, and…

For reactor neutrino experiments including the next--generation experiments will be adopting the liquid scintillator technique, criteria and time to select neutrino--induced inverse beta decay events from the background events need to be…

High Energy Physics - Experiment · Physics 2019-07-15 Chang Dong Shin , Kyung Kwang Joo , Dong Ho Moon , June Ho Choi , Myoung Youl Pac , Junghwan Goh

The next generation of very-short-baseline reactor experiments will require compact detectors operating at surface level and close to a nuclear reactor. This paper presents a new detector concept based on a composite solid scintillator…

This paper will discuss the microphysical simulation of interactions in liquid xenon, the active detector medium in many leading rare-event searches for new physics, and describe experimental observables useful for understanding detector…

We present extensive simulation studies on the performance of algorithms for the Compton sequence reconstruction used for the development of a portable spectroscopic instrument (COCAE), with the capability to localize and identify…

Nuclear Experiment · Physics 2015-03-17 K. Karafasoulis , K. Zachariadou , C. Potiriadis , S. Seferlis , I. Kaissas , D. Loukas , C. Lambropoulos

In this paper we use detailed Monte Carlo simulations to demonstrate that liquid xenon (LXe) can be used to build a Cherenkov-based TOF-PET, with an intrinsic coincidence resolving time (CRT) in the vicinity of 10 ps. This extraordinary…

Instrumentation and Detectors · Physics 2017-10-11 Juan Jose Gomez-Cadenas , José María Benlloch-Rodríguez , Paola Ferrario

Large-scale detectors consisting of a liquid scintillator target surrounded by an array of photo-multiplier tubes (PMTs) are widely used in the modern neutrino experiments: Borexino, KamLAND, Daya Bay, Double Chooz, RENO, and the upcoming…

Instrumentation and Detectors · Physics 2022-11-15 Arsenii Gavrikov , Yury Malyshkin , Fedor Ratnikov

Organ-specific, targeted Field-of-View (FoV) Positron Emission Tomography (PET)/Magnetic Resonance Imaging (MRI) inserts are viable solutions for a number of imaging tasks where whole-body PET/MRI systems lack the necessary sensitivity and…

Instrumentation and Detectors · Physics 2019-09-19 J. M. C. Brown , S. E. Brunner , D. R. Schaart

Compton scattering of a laser beam with a relativistic electron beam has been used to generate intense, highly polarized and nearly monoenergetic x-ray or gamma-ray beams at many facilities. The ability to predict the spatial, spectral and…

Accelerator Physics · Physics 2011-05-09 Changchun Sun , Ying K. Wu

This article describes CLEAN, an approach to the detection of low-energy solar neutrinos and neutrinos released from supernovae. The CLEAN concept is based on the detection of elastic scattering events (neutrino-electron scattering and…

Astrophysics · Physics 2009-11-10 D. N. McKinsey , K. J. Coakley

Polytetrafluoroethylene (PTFE), also known as Teflon, is a common material used in the construction of liquid xenon detectors due to its high reflectivity for the VUV scintillation light of xenon. We present transmission measurements of…

Instrumentation and Detectors · Physics 2020-09-10 Dominick Cichon , Guillaume Eurin , Florian Jörg , Teresa Marrodán Undagoitia , Natascha Rupp

A large-volume liquid scintillator can be used as a tracking detector to measure high-energy neutrino events, like atmospheric neutrinos and neutrino beams. The lepton flavor recognition is almost absolute above 1 GeV. The energy resolution…

Instrumentation and Detectors · Physics 2009-09-29 Juha Peltoniemi

We are designing an all-scintillator Compton gamma imager for use in security investigations and remediation actions involving radioactive threat material. To satisfy requirements for a rugged and portable instrument, we have chosen solid…

Instrumentation and Detectors · Physics 2009-06-28 L. E. Sinclair , D. S. Hanna , A. M. L. MacLeod , P. R. B. Saull

We developed an event reconstruction algorithm, applicable to large liquid scintillator detectors, built primarily upon neutron calibration data. We employ a likelihood method using photon detection time and charge information from…

The Liquid Xenon Gamma-Ray Imaging Telescope (LXeGRIT) is a balloon born experiment sensitive to \g -rays in the energy band of 0.2-20 MeV. The main detector is a time projection chamber filled with high purity liquid xenon (LXeTPC), in…

Astrophysics · Physics 2015-06-24 U. G. Oberlack , E. Aprile , A. Curioni , V. Egorov , K. L. Giboni

A comprehensive model for explaining scintillation yield in liquid xenon is introduced. We unify various definitions of work function which abound in the literature and incorporate all available data on electron recoil scintillation yield.…

Instrumentation and Detectors · Physics 2017-02-20 M. Szydagis , N. Barry , K. Kazkaz , J. Mock , D. Stolp , M. Sweany , M. Tripathi , S. Uvarov , N. Walsh , M. Woods

We describe a feasible implementation of a novel X-ray detector for highly energetic x-ray photons with a large solid angle coverage, optimal for the detection of Compton x-ray scattered photons. The device consists of a 20~cm-thick…

Instrumentation and Detectors · Physics 2022-01-27 Ángela Saá Hernández , Diego González-Díaz , Pablo Villanueva , Carlos Azevedo , Marcos Seoane

The GammaTPC is an MeV-scale single-phase liquid argon time-projection-chamber gamma-ray telescope concept with a novel dual-scale pixel-based charge-readout system. It promises to enable a significant improvement in sensitivity to…

Instrumentation and Methods for Astrophysics · Physics 2023-01-25 M. Buuck , A. Mishra , E. Charles , N. Di Lalla , O. Hitchcock , M. E. Monzani , N. Omodei , T. Shutt