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Angloher, G.; Banik, S.; Benato, G.; Bento, A.; Bertolini, A.; Breier, R.; Bucci, C.; Burkhart, J.; Canonica, L.; D’Addabbo, A.; Lorenzo, S. Di; Einfalt, L.; Erb, A.; Feilitzsch, F. v.; Fichtinger, S.; Fuchs, D.; Garai, A.; Ghete, V. M.; Gorla, P.; Guillaumon, P. V.; Gupta, S.; Hauff, D.; Jes̆kovský, M.; Jochum, J.; Kaznacheeva, M.; Kinast, A.; Kluck, H.; Kraus, H.; Kuckuk, S.; Langenkämper, A.; Mancuso, M.; Marini, L.; Mauri, B.; Meyer, L.; Mokina, V.; Olmi, M.; Ortmann, T.; Pagliarone, C.; Pattavina, L.; Petricca, F.; Potzel, W.; Povinec, P.; Pröbst, F.; Pucci, F.; Reindl, F.; Rothe, J.; Schäffner, K.; Schieck, J.; Schönert, S.; Schwertner, C.; Stahlberg, M.; Stodolsky, L.; Strandhagen, C.; Strauss, R.; Usherov, I.; Wagner, F.; Willers, M.; Zema, V.
The European physical journal. C, Particles and fields, 03/2024, Letnik: 84, Številka: 3Journal Article
Diamond operated as a cryogenic calorimeter is an excellent target for direct detection of low-mass dark matter candidates. Following the realization of the first low-threshold cryogenic detector that uses diamond as absorber for astroparticle physics applications, we now present the resulting exclusion limits on the elastic spin-independent interaction cross-section of dark matter with diamond. We measured two 0.175 g CVD (Chemical Vapor Deposition) diamond samples, each instrumented with a Transition Edge Sensor made of Tungsten (W-TES). Thanks to the energy threshold of just 16.8 eV of one of the two detectors, we set exclusion limits on the elastic spin-independent interaction of dark matter particles with carbon nuclei down to dark matter masses as low as 0.122 GeV/c 2 . This work shows the scientific potential of cryogenic detectors made from diamond and lays the foundation for the use of this material as target for direct detection dark matter experiments.
