Si4DM · Silicon for Direct Detection of Dark Matter in DarkSide
„Хоризонт 2020“ — Действия „Мария Склодовска-Кюри“
- Период
- 2021-09-01 → 2024-02-29
- Финансиране от ЕС
- 220 490 €
- Участници
- 2
- Схема
- MSCA-IF
Линиите свързват координатора с партньорите.
Накратко на български
Силициеви сензори се разработват за откриване на тъмна материя, например чрез улавяне на слаби сигнали в течен аргон. Това помага да се разбере състава на Вселената, тъй като обикновената материя съставлява по-малко от 5% от нея.
Кратко обяснение, генерирано от езиков модел по текста на CORDIS. Оригиналът е по-долу.
Резултати накратко
Silicon for Direct Detection of Dark Matter in DarkSide
Many astrophysical observations suggest that ordinary matter- which makes up galaxies, the Earth, us- only accounts for less than 5% of the Universe. Most of the matter in the universe, which is non-luminous and thus referred to as dark matter (DM), is unknown. Unveiling the nature of DM is one of the most fundamental open questions in Physics today. The search for WIMPs (weakly interacting massive particles), one of the most favoured class of DM candidates, with predicted mass in the range of 1 to 10000 proton masses, is among the highest priorities of astroparticle physics for the next decade. An increasingly important area of the field is searches for DM candidates beyond the WIMP paradigm, most notably at lower masses. This complementary region of the parameter space is extraordinarily challenging to address experimentally, due to the low detection thresholds required, the difficult background mitigation and challenging detector calibration. Silicon detectors are one of the most promising techniques to overcome the experimental challenges. The DarkSide experiment aims to discover DM by observing its interactions with ordinary matter in an ultra-sensitive liquid argon detector. DarkSide's major technological advance is to employ a novel silicon-based light detector system (silicon photo-multiplier, SiPMs), specifically developed for the experiment, to observe tiny signals that may be created in the argon following a DM particle interaction. While these devices enable a projected 100x increase in sensitivity over current results for WIMP DM candidates, the full range of potential applications is yet unexplored. My proposed research leverages the unique opportunities of the novel DarkSide SiPM and aims at further developing this technology, with potential application in future particle astrophysics experiments and industry. The main goal of the programme is to perform new searches for light DM interactions in the SiPMs themselves, a novel approach profiting from the large mass of ultra-radio-pure silicon deployed in the DarkSide detector. This will significantly broaden discovery reach, to a yet-uncovered and compelling mass range.
Текст от CORDIS, на английски · Данни: CORDIS, © Европейски съюз
Цел на проекта
Unveiling the nature of dark matter (DM) is one of the fundamental open questions in Physics today. A big-bang relic population of Weakly Interacting Massive Particles (WIMPs) is among the most favoured candidates. Earth-based direct detection experiments aim to detect the low-energy recoils induced by WIMP-nucleus scattering in an instrumented target. Searching for WIMPs down to neutrino floor is among the highest priorities of the astroparticle physics community for the next decade, but no evidence of this process has been unambiguously reported so far. The null results of current searches for a DM particle at the electroweak scale may be interpreted as a need for a change of paradigm. There is increasing interest in alternative models for DM, and a rich phenomenology, most notably at low masses (<10 GeV/c2). DarkSide-20k will be the first experiment to use novel and specialised ultra-low background silicon photosensors to read out a 50 t liquid argon target, searching for WIMPs. This proposal aims to exploit the potential of the SiPM technology developed for DarkSide-20k to broaden the sensitivity to low-mass DM candidates, by searching for dark matter interactions in the silicon sensors themselves.The goal of the Si4DM (Silicon for Direct Detection of DM in Darkside) project is a world-leading DM search in a novel detector reaching beyond the WIMP paradigm. The proposal objectives are: - the background rejection and energy measurement characterisation in the novel SiPMs, to enable an event-by-event search for DM interactions in the Si, with electron final states; and - to develop the first search for DM in a SiPM target, using sidereal modulation.
Оригинален текст от CORDIS (на английски).
Участници
- ROYAL HOLLOWAY AND BEDFORD NEW COLLEGE · EGHAMКоординаторОбединеното кралство
- TRIUMF · VancouverКанада
Връзки
Данни: CORDIS, © Европейски съюз