activity
20132026
most citedCavity ring-up spectroscopy for ultrafast sensing with optical microresonators

84 citations · 171 across the 15 of their papers we have counts for

collaborators

15 papers

physics.med-ph2026

Adapting the TG-43 formalism for use in Diffusing alpha-emitters Radiation Therapy

Guy Heger, Lior Epstein, Lior Arazi

Background: Diffusing alpha-emitters Radiation Therapy ("Alpha DaRT") enables the treatment of solid tumors using alpha particles. In Alpha DaRT, the tumor dose distribution is mai…

physics.med-ph2025

Diffusing Alpha-emitters Radiation Therapy: In vivo Measurements of Effective Diffusion and Clearance Rates Across Multiple Tumor Types

Mirta Dumancic, Guy Heger, Ishai Luz +5

Diffusing alpha-emitters radiation therapy (Alpha-DaRT) is a new modality that uses alpha particles to treat solid tumors. Alpha-DaRT employs interstitial sources loaded with low a…

physics.med-ph2024

First measurements of radon-220 diffusion in mice tumors, towards treatment planning in diffusing alpha-emitters radiation therapy

Guy Heger, Mirta Dumančić, Ishai Luz +5

Alpha-DaRT is a new method for treating solid tumors with alpha particles, relying on the release of the alpha-emitting daughter atoms of radium-224 from sources inserted into the…

physics.med-ph2023

The low-LET radiation contribution to the tumor dose in diffusing alpha-emitters radiation therapy

Lior Epstein, Guy Heger, Arindam Roy +3

Diffusing alpha-emitters Radiation Therapy (Alpha DaRT) enables the use of alpha particles for the treatment of solid tumors. It employs interstitial sources carrying a few uCi of…

physics.med-ph2021

Finite-element modeling of the alpha particle dose of realistic sources used in Diffusing Alpha-emitters Radiation Therapy

Guy Heger, Lior Arazi

Diffusing Alpha-emitters Radiation Therapy (DaRT) is a new method for treating solid tumors using alpha particles. Unlike conventional radiotherapy, where the physical models for d…

physics.ins-det2018★ 1 cited

ABALONE Photosensors for the IceCube Experiment

Daniel Ferenc, Andrew Chang, Cameron Saylor +5

The ABALONE Photosensor Technology (U.S. Pat. 9064678) is a modern, scalable technology specifically invented for cost effective mass production, robustness, and high performance.…

physics.ins-det2017★ 11 cited

Recent Advances in Bubble-Assisted Liquid Hole Multipliers in Liquid Xenon

E. Erdal, L. Arazi, A. Tesi +4

We report on recent advances in the operation of bubble-assisted Liquid Hole Multipliers (LHM). By confining a vapor bubble under or adjacent to a perforated electrode immersed in…

physics.ins-det2017★ 1 cited

On the possibility of positive-ion detection in gaseous TPCs and its potential use for neutrinoless double beta decay searches in Xe-136

Lior Arazi

The neutralization of slow positive ions on solid surfaces can lead to the emission of secondary electrons in Auger-type processes. We discuss the possibility of harnessing such me…

physics.ins-det2016★ 15 cited

First demonstration of VUV-photon detection in liquid xenon with THGEM and GEM-based Liquid Hole Multipliers

E. Erdal, L. Arazi, M. Rappaport +3

The bubble-assisted Liquid Hole-Multiplier (LHM) is a recently-introduced detection concept for noble-liquid time projection chambers. In this "local dual-phase" detection element,…

physics.ins-det2015

Direct observation of bubble-assisted electroluminescence in liquid xenon

E. Erdal, L. Arazi, V. Chepel +3

Bubble formation in liquid xenon underneath a Thick Gaseous Electron Multiplier (THGEM) electrode immersed in liquid xenon was observed with a CCD camera. With voltage across the T…

physics.optics2015★ 84 cited

Cavity ring-up spectroscopy for ultrafast sensing with optical microresonators

Serge Rosenblum, Yulia Lovsky, Lior Arazi +2

Spectroscopy of whispering-gallery mode (WGM) microresonators has become a powerful scientific tool, enabling detection of single viruses, nanoparticles, and even single molecules.…

physics.ins-det2013★ 6 cited

A concept for laboratory studies of radiation detectors over a broad dynamic-range: instabilities evaluation in THGEM-structures

S. Bressler, L. Moleri, L. Arazi +4

A simple methodology for evaluating the dynamic-range of gas avalanche detectors in the laboratory is presented and discussed. It comprises two tools: a charge injector of tunable…

physics.ins-det2013★ 24 cited

Laboratory studies of THGEM-based WELL structures with resistive anodes

L. Arazi, M. Pitt, S. Bressler +3

In this work we investigate three variants of single amplification-stage detector elements; they comprise THGEM electrodes closed at their bottom with metallic or resistive anodes…

physics.ins-det2013★ 26 cited

First observation of liquid-xenon proportional electroluminescence in THGEM holes

L. Arazi, A. E. C. Coimbra, R. Itay +5

Radiation-induced proportional-electroluminescence UV signals, emitted from the holes of a Thick Gas Electron Multiplier (THGEM) electrode immersed in liquid xenon, were recorded w…

physics.ins-det2013★ 3 cited

Beam studies of novel THGEM-based potential sampling elements for Digital Hadron Calorimetry

S. Bressler, L. Arazi, H. Natal da Luz +8

Beam studies of thin single- and double-stage THGEM-based detectors are presented. Several 10 x 10 cm^2 configurations with a total thickness of 5-6 mm (excluding readout electroni…