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Search for reactor-produced millicharged particles with Skipper-CCDs at the CONNIE and Atucha-II experiments

Aguilar-Arevalo, Alexis A ; Avalos, Nicolas ; Bellino, Pablo ; Bertou, Xavier ; Bonifazi, Carla ; Botti, Ana ; Cababié, Mariano ; Cancelo, Gustavo ; Cervantes-Vergara, Brenda A ; Chavez, Claudio ; Chierchie, Fernando ; Delgado, David ; Depaoli, Eliana ; D'Olivo, Juan Carlos ; Anjos, João dos ; Estrada, Juan ; Moroni, Guillermo Fernandez ; Neto, Aldo R. Fernandes ; Ford, Richard ; Kilminster, Ben ; Kuk, Kevin ; Lathrop, Andrew ; Lemos, Patrick ; LimaJr, Herman P ; Makler, Martin ; Magnoni, Agustina ; Maslova, Katherine ; Marinho, Franciole ; Molina, Jorge ; Nasteva, Irina ; Oliveira, Ana Carolina ; Perez, Santiago ; Paulucci, Laura ; Rodrigues, Dario ; Sarkis, Youssef ; Sidelnik, Ivan ; Haro, Miguel Sofo ; Stalder, Diego ; Tiffenberg, Javier ; Ventura, Pedro

2024-05

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Título:
Search for reactor-produced millicharged particles with Skipper-CCDs at the CONNIE and Atucha-II experiments
Autor: Aguilar-Arevalo, Alexis A ; Avalos, Nicolas ; Bellino, Pablo ; Bertou, Xavier ; Bonifazi, Carla ; Botti, Ana ; Cababié, Mariano ; Cancelo, Gustavo ; Cervantes-Vergara, Brenda A ; Chavez, Claudio ; Chierchie, Fernando ; Delgado, David ; Depaoli, Eliana ; D'Olivo, Juan Carlos ; Anjos, João dos ; Estrada, Juan ; Moroni, Guillermo Fernandez ; Neto, Aldo R. Fernandes ; Ford, Richard ; Kilminster, Ben ; Kuk, Kevin ; Lathrop, Andrew ; Lemos, Patrick ; LimaJr, Herman P ; Makler, Martin ; Magnoni, Agustina ; Maslova, Katherine ; Marinho, Franciole ; Molina, Jorge ; Nasteva, Irina ; Oliveira, Ana Carolina ; Perez, Santiago ; Paulucci, Laura ; Rodrigues, Dario ; Sarkis, Youssef ; Sidelnik, Ivan ; Haro, Miguel Sofo ; Stalder, Diego ; Tiffenberg, Javier ; Ventura, Pedro
Assuntos: Physics - High Energy Physics - Experiment ; Physics - Instrumentation and Detectors
Descrição: Millicharged particles, proposed by various extensions of the standard model, can be created in pairs by high-energy photons within nuclear reactors and can interact electromagnetically with electrons in matter. Recently, the existence of a plasmon peak in the interaction cross-section with silicon in the eV range was highlighted as a promising approach to enhance low-energy sensitivities. The CONNIE and Atucha-II reactor neutrino experiments utilize Skipper-CCD sensors, which enable the detection of interactions in the eV range. We present world-leading limits on the charge of millicharged particles within a mass range spanning six orders of magnitude, derived through a comprehensive analysis and the combination of data from both experiments.
Data de criação/publicação: 2024-05
Idioma: Inglês

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Search for reactor-produced millicharged particles with Skipper-CCDs at the CONNIE and Atucha-II experiments

2024-05

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