scholarly journals Accelerating composite dark matter discovery with nuclear recoils and the Migdal effect

2022 ◽  
Vol 105 (2) ◽  
Author(s):  
Javier F. Acevedo ◽  
Joseph Bramante ◽  
Alan Goodman
Keyword(s):  
Dark Matter ◽  
Nuclear Recoils

scholarly journals Directionality preservation of nuclear recoils in an emulsion detector for directional dark matter search

2021 ◽  
Vol 2021 (04) ◽  
pp. 047
Author(s):  
A. Alexandrov ◽  
G. De Lellis ◽  
A. Di Crescenzo ◽  
A. Golovatiuk ◽  
V. Tioukov
Keyword(s):  
Dark Matter ◽  
Dark Matter Search ◽  
Nuclear Recoils

scholarly journals A Review of Basic Energy Reconstruction Techniques in Liquid Xenon and Argon Detectors for Dark Matter and Neutrino Physics Using NEST

Instruments ◽  
2021 ◽  
Vol 5 (1) ◽  
pp. 13
Author(s):  
Matthew Szydagis ◽  
Grant A. Block ◽  
Collin Farquhar ◽  
Alexander J. Flesher ◽  
Ekaterina S. Kozlova ◽  
...  
Keyword(s):  
Dark Matter ◽  
Neutrino Physics ◽  
Electric Fields ◽  
Direct Detection ◽  
Profile Likelihood ◽  
Liquid Argon ◽  
Energy Scale ◽  
Liquid Xenon ◽  
Nuclear Recoils ◽  
Available Information

Detectors based upon the noble elements, especially liquid xenon as well as liquid argon, as both single- and dual-phase types, require reconstruction of the energies of interacting particles, both in the field of direct detection of dark matter (weakly interacting massive particles WIMPs, axions, etc.) and in neutrino physics. Experimentalists, as well as theorists who reanalyze/reinterpret experimental data, have used a few different techniques over the past few decades. In this paper, we review techniques based on solely the primary scintillation channel, the ionization or secondary channel available at non-zero drift electric fields, and combined techniques that include a simple linear combination and weighted averages, with a brief discussion of the application of profile likelihood, maximum likelihood, and machine learning. Comparing results for electron recoils (beta and gamma interactions) and nuclear recoils (primarily from neutrons) from the Noble Element Simulation Technique (NEST) simulation to available data, we confirm that combining all available information generates higher-precision means, lower widths (energy resolution), and more symmetric shapes (approximately Gaussian) especially at keV-scale energies, with the symmetry even greater when thresholding is addressed. Near thresholds, bias from upward fluctuations matters. For MeV-GeV scales, if only one channel is utilized, an ionization-only-based energy scale outperforms scintillation; channel combination remains beneficial. We discuss here what major collaborations use.

scholarly journals COSINUS: Cryogenic Calorimeters for the Direct Dark Matter Search with NaI Crystals

2020 ◽  
Vol 200 (5-6) ◽  
pp. 428-436
Author(s):  
G. Angloher ◽  
P. Carniti ◽  
I. Dafinei ◽  
N. Di Marco ◽  
A. Fuss ◽  
...  
Keyword(s):  
Dark Matter ◽  
Transition Edge Sensor ◽  
Target Material ◽  
Sensor Technology ◽  
Dark Matter Search ◽  
Prototype Development ◽  
Transition Edge ◽  
Nuclear Recoils ◽  
The Status ◽  
Direct Dark Matter

Abstract COSINUS (Cryogenic Observatory for SIgnatures seen in Next-generation Underground Searches) is an experiment employing cryogenic calorimeters, dedicated to direct dark matter search in underground laboratories. Its goal is to cross-check the annual modulation signal the DAMA collaboration has been detecting for about 20 years (Bernabei et al. in Nucl Part Phys Proc 303–305:74–79, 2018. 10.1016/j.nuclphysbps.2019.03.015) and which has been ruled out by other experiments in certain dark matter scenarios. COSINUS can provide a model-independent test by the use of the same target material (NaI), with the additional chance of discriminating $$\beta /\gamma$$ β / γ events from nuclear recoils on an event-by-event basis, by the application of a well-established temperature sensor technology developed within the CRESST collaboration. Each module is constituted by two detectors: the light detector, that is a silicon beaker equipped with a transition edge sensor (TES), and the phonon detector, a small cubic NaI crystal interfaced with a carrier of a harder material (e.g. $$\hbox {CdWO}_4$$ CdWO 4 ), also instrumented with a TES. This technology had so far never been applied to NaI crystals because of several well-known obstacles, and COSINUS is the first experiment which succeeded in operating NaI crystals as cryogenic calorimeters. Here, we present the COSINUS project, describe the achievements and the challenges of the COSINUS prototype development and discuss the status and the perspectives of this NaI-based cryogenic frontier.

Measurement of scintillation efficiencies and pulse-shapes for nuclear recoils in NaI(Tl) and CaF2(Eu) at low energies for dark matter experiments

1998 ◽  
Vol 433 (1-2) ◽  
pp. 150-155 ◽  
Author(s):  
D.R. Tovey ◽  
V. Kudryavtsev ◽  
M. Lehner ◽  
J.E. McMillan ◽  
C.D. Peak ◽  
...  
Keyword(s):  
Dark Matter ◽  
Low Energies ◽  
Nuclear Recoils

scholarly journals DARK MATTER DETECTION IN THE LIGHT OF RECENT EXPERIMENTAL RESULTS

2004 ◽  
Vol 19 (19) ◽  
pp. 3093-3169 ◽  
Author(s):  
CARLOS MUÑOZ
Keyword(s):  
Dark Matter ◽  
Direct Detection ◽  
Theoretical Models ◽  
Weakly Interacting Massive Particles ◽  
The Standard Model ◽  
The World ◽  
Nuclear Recoils ◽  
M Theory ◽  
The Universe ◽  
Matter Detection

The existence of dark matter was suggested, using simple gravitational arguments, seventy years ago. Although we are now convinced that most of the mass in the Universe is indeed some nonluminous matter, we still do not know its composition. The problem of the dark matter in the Universe is reviewed here. Particle candidates for dark matter are discussed with particular emphasis on Weakly Interacting Massive Particles (WIMP's). Experiments searching for these relic particles, carried out by many groups around the world, are also reviewed, paying special attention to their direct detection by observing the elastic scattering on target nuclei through nuclear recoils. Finally, we concentrate on the theoretical models predicting WIMP's, and in particular on supersymmetric extensions of the standard model, where the leading candidate for WIMP, the neutralino, is present. There, we compute the cross-section for the direct detection of neutralinos, and compare it with the sensitivity of detectors. We mainly discuss supergravity, superstring and M theory scenarios.

Calibration of a Ge crystal with nuclear recoils for the development of a dark matter detector

1995 ◽  
Vol 3 (4) ◽  
pp. 361-366 ◽  
Author(s):  
Y. Messous ◽  
B. Chambon ◽  
V. Chazal ◽  
M. De Jésus ◽  
D. Drain ◽  
...  
Keyword(s):  
Dark Matter ◽  
Nuclear Recoils

scholarly journals Effective field theory search for high-energy nuclear recoils using the XENON100 dark matter detector

2017 ◽  
Vol 96 (4) ◽  
Author(s):  
E. Aprile ◽  
J. Aalbers ◽  
F. Agostini ◽  
M. Alfonsi ◽  
F. D. Amaro ◽  
...  
Keyword(s):  
Field Theory ◽  
Dark Matter ◽  
Effective Field Theory ◽  
High Energy ◽  
Effective Field ◽  
Nuclear Recoils

scholarly journals Calibration of a CsI(Tl) crystal with nuclear recoils and pulse shape measurements for dark matter detection

1999 ◽  
Vol 11 (4) ◽  
pp. 457-462 ◽  
Author(s):  
S. Pécourt ◽  
B. Chambon ◽  
M. de Jésus ◽  
D. Drain ◽  
G. Gerbier ◽  
...  
Keyword(s):  
Dark Matter ◽  
Pulse Shape ◽  
Nuclear Recoils ◽  
Dark Matter Detection ◽  
Matter Detection
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