Publications by authors named "M S Gromov"
Article Synopsis
- - The DarkSide-50 experiment searched for dark matter particles with masses below 1 GeV/c² that interact to produce electrons using a substantial exposure of low-radioactivity liquid argon.
- - They analyzed the ionization signals to rule out certain interactions between dark matter and electrons, providing new limits on various parameters like the dark matter-electron cross section and other coupling constants.
- - This study also established the first direct-detection constraints for keV/c² sterile neutrinos, particularly focusing on the mixing angle related to these particles.
Dark matter elastic scattering off nuclei can result in the excitation and ionization of the recoiling atom through the so-called Migdal effect. The energy deposition from the ionization electron adds to the energy deposited by the recoiling nuclear system and allows for the detection of interactions of sub-GeV/c^{2} mass dark matter. We present new constraints for sub-GeV/c^{2} dark matter using the dual-phase liquid argon time projection chamber of the DarkSide-50 experiment with an exposure of (12 306±184) kg d.
View Article and Find Full Text PDFWe present an improved measurement of the carbon-nitrogen-oxygen (CNO) solar neutrino interaction rate at Earth obtained with the complete Borexino Phase-III dataset. The measured rate, R_{CNO}=6.7_{-0.
View Article and Find Full Text PDFArticle Synopsis
- - The Borexino detector at Laboratori Nazionali del Gran Sasso successfully measured sub-MeV solar neutrinos using Cherenkov radiation and a technique linking photon hits to the Sun's position.
- - In the energy range of 0.54 to 0.74 MeV, they detected 10,887 solar neutrinos from a total of 19,904 events, indicating a neutrino interaction rate consistent with standard solar model predictions.
- - This groundbreaking measurement showcases the use of directional Cherenkov information in liquid scintillator detectors, paving the way for future hybrid methods that utilize both Cherenkov and scintillation signals in neutrino research.