Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Singal, Aman"'
Solid-state detectors with a low energy threshold have several applications, including in direct-detection searches of non-relativistic halo dark-matter particles with sub-GeV masses. Moreover, when searching for relativistic or quasi-relativistic be
Externí odkaz:
http://arxiv.org/abs/2403.00123
Autor:
SENSEI Collaboration, Adari, Prakruth, Bloch, Itay M., Botti, Ana M., Cababie, Mariano, Cancelo, Gustavo, Cervantes-Vergara, Brenda A., Crisler, Michael, Daal, Miguel, Desai, Ansh, Drlica-Wagner, Alex, Essig, Rouven, Estrada, Juan, Etzion, Erez, Moroni, Guillermo Fernandez, Holland, Stephen E., Kehat, Yonatan, Korn, Yaron, Lawson, Ian, Luoma, Steffon, Orly, Aviv, Perez, Santiago E., Rodrigues, Dario, Saffold, Nathan A., Scorza, Silvia, Singal, Aman, Sofo-Haro, Miguel, Stefanazzi, Leandro, Stifter, Kelly, Tiffenberg, Javier, Uemura, Sho, Villalpando, Edgar Marrufo, Volansky, Tomer, Wu, Yikai, Yu, Tien-Tien, Emken, Timon, Xu, Hailin
We present the first results from a dark matter search using six Skipper-CCDs in the SENSEI detector operating at SNOLAB. With an exposure of 534.9 gram-days from well-performing sensors, we select events containing 2 to 10 electron-hole pairs. After
Externí odkaz:
http://arxiv.org/abs/2312.13342
Low-energy Compton scattering is an important background for sub-GeV dark matter direct-detection and other experiments. Current Compton scattering calculations typically rely on assumptions that are not valid in the low-energy region of interest, be
Externí odkaz:
http://arxiv.org/abs/2310.02316
We calculate target-material responses for dark matter--electron scattering at the \textit{ab-initio} all-electron level using atom-centered gaussian basis sets. The all-electron effects enhance the material response at high momentum transfers from d
Externí odkaz:
http://arxiv.org/abs/2306.14944
Autor:
Barak, Liron, Bloch, Itay M., Botti, Ana M., Cababie, Mariano, Cancelo, Gustavo, Chaplinsky, Luke, Crisler, Michael, Drlica-Wagner, Alex, Essig, Rouven, Estrada, Juan, Etzion, Erez, Moroni, Guillermo Fernandez, Harnik, Roni, Holland, Stephen E., Korn, Yaron, Liu, Zhen, Munagavalasa, Sravan, Orly, Aviv, Perez, Santiago E., Plestid, Ryan, Rodrigues, Dario, Saffold, Nathan A., Scorza, Silvia, Singal, Aman, Haro, Miguel Sofo, Stefanazzi, Leandro, Stifter, Kelly, Tiffenberg, Javier, Uemura, Sho, Volansky, Tomer, Yu, Tien-Tien
Millicharged particles appear in several extensions of the Standard Model, but have not yet been detected. These hypothetical particles could be produced by an intense proton beam striking a fixed target. We use data collected in 2020 by the SENSEI e
Externí odkaz:
http://arxiv.org/abs/2305.04964
Autor:
Perez, Santiago, Rodrigues, Dario, Estrada, Juan, Harnik, Roni, Liu, Zhen, Cervantes-Vergara, Brenda A., D'Olivo, Juan Carlos, Plestid, Ryan D., Tiffenberg, Javier, Yu, Tien-Tien, Aguilar-Arevalo, Alexis, Alcalde-Bessia, Fabricio, Avalos, Nicolas, Baez, Oscar, Baxter, Daniel, Bertou, Xavier, Bonifazi, Carla, Botti, Ana, Cancelo, Gustavo, Castelló-Mor, Nuria, Chavarria, Alvaro E., Chavez, Claudio R., Chierchie, Fernando, De Egea, Juan Manuel, Dreyer, Cyrus, Drlica-Wagner, Alex, Essig, Rouven, Estrada, Ezequiel, Etzion, Erez, Grylls, Paul, Fernandez-Moroni, Guillermo, Fernández-Serra, Marivi, Ferreyra, Santiago, Holland, Stephen, Barreda, Agustín Lantero, Lathrop, Andrew, Lawson, Ian, Loer, Ben, Luoma, Steffon, Villalpando, Edgar Marrufo, Montero, Mauricio Martinez, McGuire, Kellie, Molina, Jorge, Munagavalasa, Sravan, Norcini, Danielle, Piers, Alexander, Privitera, Paolo, Saffold, Nathan, Saldanha, Richard, Singal, Aman, Smida, Radomir, Sofo-Haro, Miguel, Stalder, Diego, Stefanazzi, Leandro, Traina, Michelangelo, Tsai, Yu-Dai, Uemura, Sho, Ventura, Pedro, Cortabitarte, Rocío Vilar, Yajur, Rachana
Oscura is a planned light-dark matter search experiment using Skipper-CCDs with a total active mass of 10 kg. As part of the detector development, the collaboration plans to build the Oscura Integration Test (OIT), an engineering test with 10% of the
Externí odkaz:
http://arxiv.org/abs/2304.08625
Autor:
Cervantes-Vergara, Brenda A., Perez, Santiago, Estrada, Juan, Botti, Ana, Chavez, Claudio R., Chierchie, Fernando, Saffold, Nathan, Aguilar-Arevalo, Alexis, Alcalde-Bessia, Fabricio, Avalos, Nicolás, Baez, Oscar, Baxter, Daniel, Bertou, Xavier, Bonifazi, Carla, Cancelo, Gustavo, Castelló-Mor, Nuria, Chavarria, Alvaro E., De Egea, Juan Manuel, D'Olivo, Juan Carlos, Dreyer, Cyrus, Drlica-Wagner, Alex, Essig, Rouven, Estrada, Ezequiel, Etzion, Erez, Grylls, Paul, Fernandez-Moroni, Guillermo, Fernández-Serra, Marivi, Ferreyra, Santiago, Holland, Stephen, Barreda, Agustín Lantero, Lathrop, Andrew, Lawson, Ian, Loer, Ben, Luoma, Steffon, Villalpando, Edgar Marrufo, Montero, Mauricio Martinez, McGuire, Kellie, Molina, Jorge, Munagavalasa, Sravan, Norcini, Danielle, Piers, Alexander, Privitera, Paolo, Rodrigues, Dario, Saldanha, Richard, Singal, Aman, Smida, Radomir, Sofo-Haro, Miguel, Stalder, Diego, Stefanazzi, Leandro, Tiffenberg, Javier, Traina, Michelangelo, Uemura, Sho, Ventura, Pedro, Cortabitarte, Rocío Vilar, Yajur, Rachana
Publikováno v:
Journal of Instrumentation, Volume 18, August 2023
Oscura is a proposed multi-kg skipper-CCD experiment designed for a dark matter (DM) direct detection search that will reach unprecedented sensitivity to sub-GeV DM-electron interactions with its 10 kg detector array. Oscura is planning to operate at
Externí odkaz:
http://arxiv.org/abs/2304.04401
Autor:
Aguilar-Arevalo, Alexis, Bessia, Fabricio Alcalde, Avalos, Nicolas, Baxter, Daniel, Bertou, Xavier, Bonifazi, Carla, Botti, Ana, Cababie, Mariano, Cancelo, Gustavo, Cervantes-Vergara, Brenda Aurea, Castello-Mor, Nuria, Chavarria, Alvaro, Chavez, Claudio R., Chierchie, Fernando, De Egea, Juan Manuel, D`Olivo, Juan Carlos, Dreyer, Cyrus E., Drlica-Wagner, Alex, Essig, Rouven, Estrada, Juan, Estrada, Ezequiel, Etzion, Erez, Fernandez-Moroni, Guillermo, Fernandez-Serra, Marivi, Holland, Steve, Barreda, Agustin Lantero, Lathrop, Andrew, Lipovetzky, Jose, Loer, Ben, Villalpando, Edgar Marrufo, Molina, Jorge, Perez, Santiago, Privitera, Paolo, Rodrigues, Dario, Saldanha, Richard, Cruz, Diego Santa, Singal, Aman, Saffold, Nathan, Stefanazzi, Leandro, Sofo-Haro, Miguel, Tiffenberg, Javier, Torres, Christian, Uemura, Sho, Vilar, Rocio
The Oscura experiment will lead the search for low-mass dark matter particles using a very large array of novel silicon Charge Coupled Devices (CCDs) with a threshold of two electrons and with a total exposure of 30 kg-yr. The R&D effort, which began
Externí odkaz:
http://arxiv.org/abs/2202.10518
Autor:
Barak, Liron, Bloch, Itay M., Botti, Ana, Cababie, Mariano, Cancelo, Gustavo, Chaplinsky, Luke, Chierchie, Fernando, Crisler, Michael, Drlica-Wagner, Alex, Essig, Rouven, Estrada, Juan, Etzion, Erez, Moroni, Guillermo Fernandez, Gift, Daniel, Holland, Stephen E., Munagavalasa, Sravan, Orly, Aviv, Rodrigues, Dario, Singal, Aman, Haro, Miguel Sofo, Stefanazzi, Leandro, Tiffenberg, Javier, Uemura, Sho, Volansky, Tomer, Yu, Tien-Tien
Publikováno v:
Phys. Rev. Applied 17, 014022 (2022)
We use a science-grade Skipper Charge Coupled Device (Skipper-CCD) operating in a low-radiation background environment to develop a semi-empirical model that characterizes the origin of single-electron events in CCDs. We identify, separate, and quant
Externí odkaz:
http://arxiv.org/abs/2106.08347
Autor:
Barak, Liron, Bloch, Itay M., Cababie, Mariano, Cancelo, Gustavo, Chaplinsky, Luke, Chierchie, Fernando, Crisler, Michael, Drlica-Wagner, Alex, Essig, Rouven, Estrada, Juan, Etzion, Erez, Moroni, Guillermo Fernandez, Gift, Daniel, Munagavalasa, Sravan, Orly, Aviv, Rodrigues, Dario, Singal, Aman, Haro, Miguel Sofo, Stefanazzi, Leandro, Tiffenberg, Javier, Uemura, Sho, Volansky, Tomer, Yu, Tien-Tien
Publikováno v:
Phys. Rev. Lett. 125, 171802 (2020)
We present the first direct-detection search for eV-to-GeV dark matter using a new ~2-gram high-resistivity Skipper-CCD from a dedicated fabrication batch that was optimized for dark-matter searches. Using 24 days of data acquired in the MINOS cavern
Externí odkaz:
http://arxiv.org/abs/2004.11378