The ANDROMeDa project, recently funded by the Italian ministry of research with a 1Me grant, aims to develop a novel light dark matter (DM) detector sensitive to DM-electron recoil in a target of vertically-aligned carbon nanotubes: the ‘‘dark-PMT’’. Thanks to their vanishing density in the direction of the tube axis, carbon nanotubes allow a scattered electron to leave the target without being re-absorbed only if it travels parallel to the tubes. Therefore the detector is expected to have directional sensitivity, a key feature in DM searches. With only 1 g of exposure per year and a careful suppression of the backgrounds, such detector might achieve world-leading sensitivity for DM masses below 30 MeV.
Searching for dark matter with vertically-aligned carbon nanotubes:The ANDROMeDa project / Pofi, F. M.; Apponi, A.; Cavoto, G.; Mariani, C.; Pandolfi, F.; Rago, I.; Ruocco, A.. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - 1060:(2024). [10.1016/j.nima.2023.169072]
Searching for dark matter with vertically-aligned carbon nanotubes:The ANDROMeDa project
Pofi F. M.
Investigation
;Cavoto G.Membro del Collaboration Group
;Mariani C.Membro del Collaboration Group
;Rago I.Membro del Collaboration Group
;
2024
Abstract
The ANDROMeDa project, recently funded by the Italian ministry of research with a 1Me grant, aims to develop a novel light dark matter (DM) detector sensitive to DM-electron recoil in a target of vertically-aligned carbon nanotubes: the ‘‘dark-PMT’’. Thanks to their vanishing density in the direction of the tube axis, carbon nanotubes allow a scattered electron to leave the target without being re-absorbed only if it travels parallel to the tubes. Therefore the detector is expected to have directional sensitivity, a key feature in DM searches. With only 1 g of exposure per year and a careful suppression of the backgrounds, such detector might achieve world-leading sensitivity for DM masses below 30 MeV.| File | Dimensione | Formato | |
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