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The observation of the Coherent Elastic Neutrino-Nucleus Scattering (CE$\nu$NS) process using reactor antineutrinos offers a unique opportunity to probe the Standard Model and explore Beyond the Standard Model scenarios. This study reports…

High Energy Physics - Phenomenology · Physics 2025-02-14 M. Alpízar-Venegas , L. J. Flores , Eduardo Peinado , E. Vázquez-Jáuregui

To increase by a major step the present sensitivity for dark matter and double beta decay search, a new project is suggested, which would operate 'naked' GErmanium detectors in liquid NItrogen as shielding in an Underground Setup (GENIUS).…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. V. Klapdor-Kleingrothaus , L. Baudis , G. Heusser , B. Majorovits , H. Paes

We discuss a new method to extract neutrino signals in low energy experiments. In this scheme the symmetric nature of most backgrounds allows for direct cancellation from data. The application of this technique to the Palo Verde reactor…

High Energy Physics - Experiment · Physics 2009-10-31 Y-F. Wang , L. Miller , G. Gratta

Coherent elastic neutrino-nucleus scattering (CE$\nu$NS) poses an irreducible background in the search for dark matter-nucleus elastic scatterings, which is commonly known as the neutrino floor. As direct dark matter search experiments keep…

The hit response of silicon vertex and tracking detectors to muon collider beam background and results of a study of hit reducing techniques are presented. The background caused by decays of the 750 GeV/c m+ and m- beams was simulated using…

Instrumentation and Detectors · Physics 2018-09-26 V. Di Benedetto , C. Gatto , A. Mazzacane , N. V. Mokhov , S. I. Striganov , N. K. Terentiev

We propose to search for coherent neutrino-nucleus scattering (CNNS)by means of a triple-sectioned low background proportional counter. As a working medium we plan to use argon and xenon at about 1 MPa. We have shown using bench-scale…

Instrumentation and Detectors · Physics 2013-12-02 A. V. Kopylov , I. V. Orekhov , V. V. Petukhov , A. E. Solomatin

The 96.4 day exposure of a 3 kg ultra-low noise germanium detector to the high flux of antineutrinos from a power nuclear reactor is described. A very strong preference ($p<1.2\times10^{-3}$) for the presence of a coherent elastic…

High Energy Physics - Experiment · Physics 2022-11-22 J. Colaresi , J. I. Collar , T. W. Hossbach , C. M. Lewis , K. M. Yocum

In the case of underground experiments for neutrino physics or rare event searches, the background caused by cosmic muons contributes significantly and therefore must be identified and rejected. We proposed and optimized a new detector…

Instrumentation and Detectors · Physics 2017-04-05 Y. P. Zhang , J. L. Xu , H. Q. Lu , P. Zhang , C. C. Zhang , C. G. Yang

A quantitative study of the neutron environment in the Canfranc Underground Laboratory has been performed. The analysis is based on a complete set of simulations and, particularly, it is focused on the IGEX-DM dark matter experiment. The…

High Energy Physics - Experiment · Physics 2011-05-23 J. M. Carmona , S. Cebrian , E. Garcia , I. G. Irastorza , G. Luzon , A. Morales , J. Morales , A. Ortiz de Solorzano , J. Puimedon , M. L. Sarsa , J. A. Villar

We present a new detection scheme for rejecting backgrounds in neutrino less double beta decay experiments. It relies on the detection of Cherenkov light emitted by electrons in the MeV region. The momentum threshold is tuned to reach a…

Instrumentation and Detectors · Physics 2015-05-20 Ioannis Giomataris

Point-contact p-type high-purity germanium detectors (PPC HPGe) are particularly suited for detection of sub-keV nuclear recoils from coherent elastic scattering of neutrinos or light dark matter particles. While these particles are…

Low-energy background through Compton scattering from the ambient $\gamma$ rays can be contaminated in direct dark matter search experiments. In this paper, we report comparable measurements on low-energy spectra via Compton scattering from…

Instrumentation and Detectors · Physics 2023-04-26 J. W. Hu , L. T. Yang , Q. Yue , X. P. Geng , H. B. Li , Y. F. Liang , S. T. Lin , S. K. Liu , H. Ma , L. Wang , H. T. Wong , B. T. Zhang

The M\"ossbauer spectroscopy is presented as an alternative experimental technique to be pursued in the detec-tion of Coherent Elastic{\nu}-Nucleus Scattering (CENNS). The neutrino transferred energy in the neutrino-nucleusinteraction…

High Energy Physics - Phenomenology · Physics 2020-10-23 C Marques , G S Dias , H S Chavez , S B Duarte

Nuclear reactors represent a promising neutrino source for CE$\nu$NS (coherent-elastic neutrino-nucleus scattering) searches. However, reactor sites also come with high ambient neutron flux. Neutron capture-induced nuclear recoils can…

High Energy Physics - Experiment · Physics 2024-03-19 A. J. Biffl , A. Gevorgian , K. Harris , A. N. Villano

One of the key requirements for neutron scattering instruments is the Signal-to-Background ratio (SBR). This is as well a design driving requirement for many instruments at the European Spallation Source (ESS), which aspires to be the…

Instrumentation and Detectors · Physics 2019-02-20 E. Dian , K. Kanaki , A. Khaplanov , T. Kittelmann , P. Zagyvai , R. Hall-Wilton

Research reactors host a wide range of activities that make use of the intense neutron fluxes generated at these facilities. Recent interest in performing measurements with relatively low event rates, e.g. reactor antineutrino detection, at…

A direct WIMP (Weakly Interacting Massive Particle) detector with a neutron veto system is designed to better reject neutrons. An experimental configuration is studied in the present paper: 984 Ge modules are placed inside a reactor…

Instrumentation and Methods for Astrophysics · Physics 2019-10-11 Ye Xu , Jieqin Lan , Yin Bai , Weiwei Gao

The MICROMEGAS detector concept, generally optimized for use in accelerator experiments, displays a peculiar combination of features that can be advantageous in several astroparticle and neutrino physics applications. Their sub-keV…

High Energy Physics - Experiment · Physics 2011-07-19 J. I. Collar , Y. Giomataris

Light sterile neutrinos have been introduced as an explanation for a number of oscillation signals at $\Delta m^2 \sim 1$ eV$^2$. Neutrino oscillations at relatively short baselines provide a probe of these possible new states. This paper…

High Energy Physics - Phenomenology · Physics 2013-05-30 A. J. Anderson , J. M. Conrad , E. Figueroa-Feliciano , C. Ignarra , G. Karagiorgi , K. Scholberg , M. H. Shaevitz , J. Spitz

WIMP-nucleon cross sections in the range 10^{-46} - 10^{-44} cm^2 may be probed by a ton-scale experiment with low energy thresholds and excellent discrimination of backgrounds. Because CDMS ZIP detectors are the most proven means of…

Astrophysics · Physics 2012-08-27 SuperCDMS Collaboration