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We describe the first demonstration of a sub-keV electron recoil energy threshold in a dual-phase liquid argon time projection chamber. This is an important step in an effort to develop a detector capable of identifying the ionization…

Instrumentation and Methods for Astrophysics · Physics 2013-07-23 S. Sangiorgio , T. H. Joshi , A. Bernstein , J. Coleman , M. Foxe , C. Hagmann , I. Jovanovic , K. Kazkaz , K. Mavrokoridis , V. Mozin , S. Pereverzev , P. Sorensen

We present results of a dark matter search performed with a 0.6 kg day exposure of the DAMIC experiment at the SNOLAB underground laboratory. We measure the energy spectrum of ionization events in the bulk silicon of charge-coupled devices…

Recently, the XENON1T experiment has observed an excess in the electronic recoil data in the recoil energy range of $1$-$7$ keV. One of the most favored new physics interpretations is electron scattering with a boosted particle with a…

High Energy Physics - Phenomenology · Physics 2020-10-15 So Chigusa , Motoi Endo , Kazunori Kohri

We calculate the charge sensitivity of a recently demonstrated device where the Josephson inductance of a single Cooper-pair transistor is measured. We find that the intrinsic limit to detector performance is set by oscillator quantum…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Mika A. Sillanpaa , Leif Roschier , Pertti J. Hakonen

The main purpose of this work is to provide reference data on X-ray ionization yields and energy spectra in liquid Ar to the studies in the field of Cryogenic Avalanche Detectors (CRADs) for rare-event and other experiments, based on liquid…

Instrumentation and Detectors · Physics 2016-02-19 A. Bondar , A. Buzulutskov , A. Dolgov , L. Shekhtman , A. Sokolov

Particles with electric charge q < 10^(-3)e and masses in the range 1--100 MeV/c^2 are not excluded by present experiments. An experiment uniquely suited to the production and detection of such "millicharged" particles has been carried out…

Charge state distributions of $^{56}$Fe and $^{58}$Ni projectile ions passing through thin carbon foils have been studied in the energy range of 1.44 - 2.69 MeV/u using a novel method from the x-ray spectroscopy technique. Interestingly the…

Atomic Physics · Physics 2015-09-01 Prashant Sharma , Tapan Nandi

A conceptual set-up for measuring the electric field in silicon detectors by electro-optical imaging is proposed. It is based on the Franz-Keldysh effect which describes the electric field dependence of the absorption of light with an…

Instrumentation and Detectors · Physics 2021-03-17 Robert Klanner , Annika Vauth

Non-ionising energy loss of radiation produces point defects and defect clusters in silicon, which result in a signifcant degradation of sensor performance. In this contribution results from TSC (Thermally Stimulated Current) defect…

Plasma effect is observed in CCDs exposed to heavy ionizing alpha-particles with energies in the range 0.5 - 5.5 MeV. The results obtained for the size of the charge clusters reconstructed on the CCD pixels agrees with previous measurements…

Instrumentation and Detectors · Physics 2015-05-28 Juan Estrada , Jorge Molina , J. Blostein , G. Fernandez

Excellent jet energy measurement is important at the International Linear Collider (ILC) because most of interesting physics processes decay into multi-jet final states. We employ a particle flow method to reconstruct particles, hence…

We present a comprehensive analysis of electronic recoil vs. nuclear recoil discrimination in liquid/gas xenon time projection chambers, using calibration data from the 2013 and 2014-16 runs of the Large Underground Xenon (LUX) experiment.…

The effects of space charge due to slowly drifting ions can be relevant for detectors operated at high intensity, or for relatively low values of the bias voltage. Accurate measurements have been obtained with the liquid krypton calorimeter…

High Energy Physics - Experiment · Physics 2009-10-31 Sandro Palestini

Superfluid $^4$He is a promising target material for direct detection of light ($<$ 1 GeV) dark matter. Possible signal channels available for readout in this medium include prompt photons, triplet excimers, and roton and phonon…

Using a non-contact atomic force microscope (nc-AFM), we examine continuous DB wire structures on the hydrogen-terminated silicon (100) 2x1 surface. By probing the DB structures at varying energies, we identify the formation of previously…

Materials Science · Physics 2021-02-15 Jeremiah Croshaw , Taleana Huff , Mohamad Rashidi , John Wood , Erika Lloyd , Jason Pitters , Robert Wolkow

The Migdal effect has received much attention from the dark matter direct detection community, in particular due to its power in setting limits on sub-GeV particle dark matter. Currently, there is no experimental confirmation of the Migdal…

High Energy Physics - Phenomenology · Physics 2023-03-24 Duncan Adams , Daniel Baxter , Hannah Day , Rouven Essig , Yonatan Kahn

Control over the charge states of color centers in solids is necessary in order to fully utilize them in quantum technologies. However, the microscopic charge dynamics of deep defects in wide-bandgap semiconductors are complex, and much…

Mesoscale and Nanoscale Physics · Physics 2021-09-08 A. Gardill , I. Kemeny , M. C. Cambria , Y. Li , H. T. Dinani , A. Norambuena , J. R. Maze , V. Lordi , S. Kolkowitz

This paper presents a brief review of the interpretation of measurements of hadron yields in hadronic interactions within the framework of thermal models, over a broad energy range (from SIS to LHC energies, $\sqrt{s_{NN}} \simeq$ 2.5 GeV…

Nuclear Experiment · Physics 2014-10-03 Michele Floris

Non-linear charge transport in SIS Josephson junctions has a unique signature in the shuttled charge quantum between the two superconductors. In the zero-bias limit Cooper pairs, each with twice the electron charge, carry the Josephson…

Mesoscale and Nanoscale Physics · Physics 2016-02-09 Yuval Ronen , Yonatan Cohen , Jung-Hyun Kang , Arbel Haim , Maria-Theresa Rieder , Moty Heiblum , Diana Mahalu , Hadas Shtrikman
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