Updated on 2024/05/02

写真a

 
KOBAYASHI Masatoshi
 
Organization
Kobayashi-Maskawa Institute for the Origin of Particles and the Universe (KMI) Designated assistant professor
Title
Designated assistant professor
 

Papers 9

  1. Design and performance of the field cage for the XENONnT experiment

    Aprile, E; Abe, K; Maouloud, SA; Althueser, L; Andrieu, B; Angelino, E; Angevaare, JR; Antochi, VC; Martin, DA; Arneodo, F; Baudis, L; Baxter, AL; Bazyk, M; Bellagamba, L; Biondi, R; Bismark, A; Brookes, EJ; Brown, A; Bruenner, S; Bruno, G; Budnik, R; Bui, TK; Cai, C; Cardoso, JMR; Cichon, D; Chávez, APC; Colijn, AP; Conrad, J; Cuenca-Garcia, JJ; Cussonneau, JP; D'Andrea, V; Decowski, MP; Di Gangi, P; Diglio, S; Eitel, K; Elykov, A; Farrell, S; Ferella, AD; Ferrari, C; Fischer, H; Flierman, M; Fulgione, W; Fuselli, C; Gaemers, P; Gaior, R; Rosso, AG; Galloway, M; Gao, F; Glade-Beucke, R; Grandi, L; Grigat, J; Guan, H; Guida, M; Hammann, R; Higuera, A; Hils, C; Hoetzsch, L; Hood, NF; Howlett, J; Iacovacci, M; Itow, Y; Jakob, J; Joerg, F; Joy, A; Kara, M; Kavrigin, P; Kazama, S; Kobayashi, M; Koltman, G; Kopec, A; Kuger, F; Landsman, H; Lang, RF; Levinson, L; Li, I; Li, S; Liang, S; Lindemann, S; Lindner, M; Liu, K; Loizeau, J; Lombardi, F; Long, J; Lopes, JAM; Ma, Y; Macolino, C; Mahlstedt, J; Mancuso, A; Manenti, L; Marignetti, F; Undagoitia, TM; Martens, K; Masbou, J; Masson, D; Masson, E; Mastroianni, S; Messina, M; Miuchi, K; Molinario, A; Moriyama, S; Mora, K; Mosbacher, Y; Murra, M; Müller, J; Ni, K; Oberlack, U; Paetsch, B; Palacio, J; Pellegrini, Q; Peres, R; Peters, C; Pienaar, J; Pierre, M; Plante, G; Pollmann, TR; Qi, J; Qin, J; Garcia, DR; Sarcevic, N; Shi, J; Singh, R; Sanchez, L; dos Santos, JMF; Sarnoff, I; Sartorelli, G; Schreiner, J; Schulte, D; Schulte, P; Eissing, HS; Schumann, M; Lavina, LS; Selvi, M; Semeria, F; Shagin, P; Shi, S; Shockley, E; Silva, M; Simgen, H; Takeda, A; Tan, PL; Terliuk, A; Thers, D; Toschi, F; Trinchero, G; Tunnell, C; Tönnies, F; Valerius, K; Volta, G; Weinheimer, C; Weiss, M; Wenz, D; Wittweg, C; Wolf, T; Wu, VHS; Xing, Y; Xu, D; Xu, Z; Yamashita, M; Yang, L; Ye, J; Yuan, L; Zavattini, G; Zhong, M; Zhu, T

    EUROPEAN PHYSICAL JOURNAL C   Vol. 84 ( 2 )   2024.2

  2. Cosmogenic background simulations for neutrinoless double beta decay with the DARWIN observatory at various underground sites

    Adrover, M; Althueser, L; Andrieu, B; Angelino, E; Angevaare, JR; Antunovic, B; Aprile, E; Babicz, M; Bajpai, D; Barberio, E; Baudis, L; Bazyk, M; Bell, N; Bellagamba, L; Biondi, R; Biondi, Y; Bismark, A; Boehm, C; Breskin, A; Brookes, EJ; Brown, A; Bruno, G; Budnik, R; Capelli, C; Cardoso, JMR; Chauvin, A; Chavez, APC; Colijn, AP; Conrad, J; Cuenca-García, JJ; D'Andrea, V; Decowski, MP; Deisting, A; Di Gangi, P; Diglio, S; Doerenkamp, M; Drexlin, G; Eitel, K; Elykov, A; Engel, R; Farrell, S; Ferella, AD; Ferrari, C; Fischer, H; Flierman, M; Fulgione, W; Gaemers, P; Gaior, R; Galloway, M; Garroum, N; Ghosh, S; Girard, F; Glade-Beucke, R; Glück, F; Grandi, L; Grigat, J; Grössle, R; Guan, H; Guida, M; Hammann, R; Hannen, V; Hansmann-Menzemer, S; Hargittai, N; Hasegawa, T; Hils, C; Higuera, A; Hiraoka, K; Hoetzsch, L; Iacovacci, M; Itow, Y; Jakob, J; Jörg, F; Kara, M; Kavrigin, P; Kazama, S; Keller, M; Kilminster, B; Kleifges, M; Kobayashi, M; Kopec, A; von Krosigk, B; Kuger, F; Landsman, H; Lang, RF; Li, I; Li, S; Liang, S; Lindemann, S; Lindner, M; Lombardi, F; Loizeau, J; Luce, T; Ma, Y; Macolino, C; Mahlstedt, J; Mancuso, A; Undagoitia, TM; Lopes, JAM; Marignetti, F; Martens, K; Masbou, J; Mastroianni, S; Milutinovic, S; Miuchi, K; Miyata, R; Molinario, A; Monteiro, CMB; Morå, K; Morteau, E; Mosbacher, Y; Müller, J; Murra, M; Newstead, JL; Ni, K; Oberlack, UG; Ostrovskiy, I; Paetsch, B; Pandurovic, M; Pellegrini, Q; Peres, R; Pienaar, J; Pierre, M; Piotter, M; Plante, G; Pollmann, TR; Principe, L; Qi, J; Qin, J; Silva, MR; García, DR; Razeto, A; Sakamoto, S; Sanchez, L; Sanchez-Lucas, P; dos Santos, JMF; Sartorelli, G; Scaffidi, A; Schulte, P; Schultz-Coulon, HC; Eissing, HS; Schumann, M; Lavina, LS; Selvi, M; Semeria, F; Shagin, P; Sharma, S; Shen, W; Silva, M; Simgen, H; Singh, R; Solmaz, M; Stanley, O; Steidl, M; Tan, PL; Terliuk, A; Thers, D; Thuemmler, T; Toennies, F; Toschi, F; Trinchero, G; Trotta, R; Tunnell, C; Urquijo, P; Valerius, K; Vecchi, S; Vetter, S; Volta, G; Vorkapic, D; Wang, W; Weerman, KM; Weinheimer, C; Weiss, M; Wenz, D; Wittweg, C; Wolf, J; Wolf, T; Wu, VHS; Wurm, M; Xing, Y; Yamashita, M; Ye, J; Zavattini, G; Zuber, K

    EUROPEAN PHYSICAL JOURNAL C   Vol. 84 ( 1 )   2024.1

  3. Search for events in XENON1T associated with gravitational waves

    Aprile, E; Abe, K; Maouloud, SA; Althueser, L; Andrieu, B; Angelino, E; Angevaare, JR; Antochi, VC; Martin, DA; Arneodo, F; Baudis, L; Baxter, AL; Bazyk, M; Bellagamba, L; Biondi, R; Bismark, A; Brookes, EJ; Brown, A; Bruenner, S; Bruno, G; Budnik, R; Bui, TK; Cai, C; Cardoso, JMR; Chavez, APC; Colijn, AP; Conrad, J; Cuenca-García, JJ; D'Andrea, V; Decowski, MP; Di Gangi, P; Diglio, S; Eitel, K; Elykov, A; Farrell, S; Ferella, AD; Ferrari, C; Fischer, H; Flierman, M; Fulgione, W; Fuselli, C; Gaemers, P; Gaior, R; Rosso, AG; Galloway, M; Gao, F; Glade-Beucke, R; Grandi, L; Grigat, J; Guan, H; Guida, M; Hammann, R; Higuera, A; Hils, C; Hoetzsch, L; Hood, NF; Howlett, J; Iacovacci, M; Itow, Y; Jakob, J; Joerg, F; Joy, A; Kara, M; Kavrigin, P; Kazama, S; Kobayashi, M; Koltman, G; Kopec, A; Kuger, F; Landsman, H; Lang, RF; Carlos, DGL; Levinson, L; Li, I; Li, S; Liang, S; Lindemann, S; Lindner, M; Liu, K; Loizeau, J; Lombardi, F; Long, J; Lopes, JAM; Ma, Y; Macolino, C; Mahlstedt, J; Mancuso, A; Manenti, L; Marignetti, F; Undagoitia, TM; Martens, K; Masbou, J; Masson, D; Masson, E; Mastroianni, S; Messina, M; Miuchi, K; Molinario, A; Moriyama, S; Morå, K; Mosbacher, Y; Murra, M; Müller, J; Ni, K; Oberlack, U; Paetsch, B; Palacio, J; Pellegrini, Q; Peres, R; Peters, C; Pienaar, J; Pierre, M; Plante, G; Pollmann, TR; Qi, J; Qin, J; García, DR; Shi, J; Singh, R; Sanchez, L; dos Santos, JMF; Sarnoff, I; Sartorelli, G; Schreiner, J; Schulte, D; Schulte, P; Eissing, HS; Schumann, M; Lavina, LS; Selvi, M; Semeria, F; Shagin, P; Shi, S; Shockley, E; Silva, M; Simgen, H; Takeda, A; Tan, PL; Terliuk, A; Thers, D; Toschi, F; Trinchero, G; Tunnell, C; Tönnies, F; Valerius, K; Volta, G; Weinheimer, C; Weiss, M; Wenz, D; Wittweg, C; Wolf, T; Wu, VHS; Xing, Y; Xu, D; Xu, Z; Yamashita, M; Yang, L; Ye, J; Yuan, L; Zavattini, G; Zhong, M; Zhu, T

    PHYSICAL REVIEW D   Vol. 108 ( 7 )   2023.10

  4. First Dark Matter Search with Nuclear Recoils from the XENONnT Experiment

    Aprile, E; Abe, K; Agostini, F; Maouloud, SA; Althueser, L; Andrieu, B; Angelino, E; Angevaare, JR; Antochi, VC; Martin, DA; Arneodo, F; Baudis, L; Baxter, AL; Bazyk, M; Bellagamba, L; Biondi, R; Bismark, A; Brookes, EJ; Brown, A; Bruenner, S; Bruno, G; Budnik, R; Bui, TK; Cai, C; Cardoso, JMR; Cichon, D; Chavez, APC; Colijn, AP; Conrad, J; Cuenca-Garcia, JJ; Cussonneau, JP; D'Andrea, ; Decowski, MP; Di Gangi, P; Di Pede, S; Diglio, S; Eitel, K; Elykov, A; Farrell, S; Ferella, AD; Ferrari, C; Fischer, H; Flierman, M; Fulgione, W; Fuselli, C; Gaemers, P; Gaior, R; Rosso, AG; Galloway, M; Gao, F; Glade-Beucke, R; Grandi, L; Grigat, J; Guan, H; Guida, M; Hammann, R; Higuera, A; Hils, C; Hoetzsch, L; Hood, NF; Howlett, J; Iacovacci, M; Itow, Y; Jakob, J; Joerg, F; Joy, A; Kato, N; Kara, M; Kavrigin, P; Kazama, S; Kobayashi, M; Koltman, G; Kopec, A; Kuger, F; Landsman, H; Lang, RF; Levinson, L; Li, I; Li, S; Liang, S; Lindemann, S; Lindner, M; Liu, K; Loizeau, J; Lombardi, F; Long, J; Lopes, JAM; Ma, Y; Macolino, C; Mahlstedt, J; Mancuso, A; Manenti, L; Marignetti, F; Undagoitia, TM; Martens, K; Masbou, J; Masson, D; Masson, E; Mastroianni, S; Messina, M; Miuchi, K; Mizukoshi, K; Molinario, A; Moriyama, S; Morå, K; Mosbacher, Y; Murra, M; Mueller, J; Ni, K; Oberlack, U; Paetsch, B; Palacio, J; Peres, R; Peters, C; Pienaar, J; Pierre, M; Pizzella, V; Plante, G; Qi, J; Qin, J; Garcí, DR; Singh, R; Sanchez, L; dos Santos, JMF; Sarnoff, I; Sartorelli, G; Schreiner, J; Schulte, D; Schulte, P; Eissing, HS; Schumann, M; Lavina, LS; Selvi, M; Semeria, F; Shagin, P; Shi, S; Shockley, E; Silva, M; Simgen, H; Takeda, A; Tan, PL; Terliuk, A; Thers, D; Toschi, F; Trinchero, G; Tunnell, C; Toennies, F; Valerius, K; Volta, G; Weinheimer, C; Weiss, M; Wenz, D; Wittweg, C; Wolf, T; Wu, VHS; Xing, Y; Xu, D; Xu, Z; Yamashita, M; Yang, L; Ye, J; Yuan, L; Zavattini, G; Zhong, M; Zhu, T

    PHYSICAL REVIEW LETTERS   Vol. 131 ( 4 ) page: 041003   2023.7

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  5. Detector signal characterization with a Bayesian network in XENONnT

    Aprile, E; Abe, K; Maouloud, SA; Althueser, L; Andrieu, B; Angelino, E; Angevaare, JR; Antochi, VC; Martin, DA; Arneodo, F; Baudis, L; Baxter, AL; Bazyk, M; Bellagamba, L; Biondi, R; Bismark, A; Brookes, EJ; Brown, A; Bruenner, S; Bruno, G; Budnik, R; Bui, TK; Cai, C; Cardoso, JMR; Cichon, D; Chavez, APC; Colijn, AP; Conrad, J; Cuenca-García, JJ; Cussonneau, JP; D'Andrea, V; Decowski, MP; Di Gangi, P; Di Pede, S; Diglio, S; Eitel, K; Elykov, A; Farrell, S; Ferella, AD; Ferrari, C; Fischer, H; Flierman, M; Fulgione, W; Fuselli, C; Gaemers, P; Gaior, R; Rosso, AG; Galloway, M; Gao, F; Glade-Beucke, R; Grandi, L; Grigat, J; Guan, H; Guida, M; Hammann, R; Higuera, A; Hils, C; Hoetzsch, L; Hood, NF; Howlett, J; Iacovacci, M; Itow, Y; Jakob, J; Joerg, F; Joy, A; Kato, N; Kara, M; Kavrigin, P; Kazama, S; Kobayashi, M; Koltman, G; Kopec, A; Kuger, F; Landsman, H; Lang, RF; Levinson, L; Li, I; Li, S; Liang, S; Lindemann, S; Lindner, M; Liu, K; Loizeau, J; Lombardi, F; Long, J; Lopes, JAM; Ma, Y; Macolino, C; Mahlstedt, J; Mancuso, A; Manenti, L; Marignetti, F; Undagoitia, TM; Martens, K; Masbou, J; Masson, D; Masson, E; Mastroianni, S; Messina, M; Miuchi, K; Mizukoshi, K; Molinario, A; Moriyama, S; Morå, K; Mosbacher, Y; Murra, M; Müller, J; Ni, K; Oberlack, U; Paetsch, B; Palacio, J; Pellegrini, Q; Peres, R; Peters, C; Pienaar, J; Pierre, M; Pizzella, V; Plante, G; Pollmann, TR; Qi, J; Qin, J; García, DR; Singh, R; Sanchez, L; dos Santos, JMF; Sarnoff, I; Sartorelli, G; Schreiner, J; Schulte, D; Schulte, P; Eissing, HS; Schumann, M; Lavina, LS; Selvi, M; Semeria, F; Shagin, P; Shi, PS; Shockley, E; Silva, M; Simgen, H; Takeda, A; Tan, PL; Terliuk, A; Thers, D; Toschi, F; Trinchero, G; Tunnell, C; Tönnies, F; Valerius, K; Volta, G; Weinheimer, C; Weiss, M; Wenz, D; Wittweg, C; Wolf, T; Wu, VHS; Xing, Y; Xu, D; Xu, Z; Yamashita, M; Yang, L; Ye, J; Yuan, L; Zavattini, G; Zhong, M; Zhu, T

    PHYSICAL REVIEW D   Vol. 108 ( 1 )   2023.7

  6. The triggerless data acquisition system of the XENONnT experiment

    Aprile, E; Aalbers, J; Abe, K; Agostini, F; Maouloud, SA; Althueser, L; Andrieu, B; Angelino, E; Angevaare, JR; Antochi, VC; Martin, DA; Arneodo, F; Baudis, L; Baxter, AL; Bellagamba, L; Biondi, R; Bismark, A; Brookes, EJ; Brown, A; Bruenner, S; Bruno, G; Budnik, R; Bui, TK; Cai, C; Cardoso, JMR; Cichon, D; Chavez, APC; Coderre, D; Colijn, AP; Conrad, J; Cuenca-García, JJ; Cussonneau, JP; D'Andrea, V; Decowski, MP; Di Gangi, P; Di Pede, S; Diglio, S; Eitel, K; Elykov, A; Farrell, S; Ferella, AD; Ferrari, C; Fischer, H; Flierman, M; Fulgione, W; Fuselli, C; Gaemers, P; Gaior, R; Rosso, AG; Galloway, M; Gao, F; Glade-Beucke, R; Grandi, L; Grigat, J; Guida, M; Hammann, R; Higuera, A; Hils, C; Hoetzsch, L; Hood, NF; Howlett, J; Iacovacci, M; Itow, Y; Jakob, J; Joerg, F; Joy, A; Kato, N; Kara, M; Kavrigin, P; Kazama, S; Kobayashi, M; Koltman, G; Kopec, A; Kuger, F; Landsman, H; Lang, RF; Levinson, L; Li, I; Li, S; Liang, S; Lindemann, S; Lindner, M; Liu, K; Loizeau, J; Lombardi, F; Long, J; Lopes, JAM; Ma, Y; Macolino, C; Mahlstedt, J; Mancuso, A; Manenti, L; Marignetti, F; Undagoitia, TM; Martens, K; Masbou, J; Masson, D; Masson, E; Mastroianni, S; Messina, M; Miuchi, K; Mizukoshi, K; Molinario, A; Moriyama, S; Morå, K; Mosbacher, Y; Murra, M; Müller, J; Ni, K; Oberlack, U; Paetsch, B; Palacio, J; Peres, R; Peters, C; Pienaar, J; Pierre, M; Pizzella, V; Plante, G; Qi, J; Qin, J; García, DR; Rocchetti, A; Sanchez, L; Sanchez-Lucas, P; dos Santos, JMF; Sarnoff, I; Sartorelli, G; Schreiner, J; Schulte, D; Schulte, P; Eissing, HS; Schumann, M; Lavina, LS; Selvi, M; Semeria, F; Shagin, P; Shi, S; Shockley, E; Silva, M; Simgen, H; Takeda, A; Tan, PL; Terliuk, A; Thers, D; Toschi, F; Trinchero, G; Tunnell, C; Tönnies, F; Valerius, K; Volta, G; Weinheimer, C; Weiss, M; Wenz, D; Wittweg, C; Wolf, T; Xu, D; Xu, Z; Yamashita, M; Yang, L; Ye, J; Yuan, L; Zavattini, G; Zerbo, S; Zhong, M; Zhu, T

    JOURNAL OF INSTRUMENTATION   Vol. 18 ( 7 )   2023.7

  7. Searching for Heavy Dark Matter near the Planck Mass with XENON1T.

    Aprile E, Abe K, Ahmed Maouloud S, Althueser L, Andrieu B, Angelino E, Angevaare JR, Antochi VC, Antón Martin D, Arneodo F, Baudis L, Baxter AL, Bazyk M, Bellagamba L, Biondi R, Bismark A, Brookes EJ, Brown A, Bruenner S, Bruno G, Budnik R, Bui TK, Cai C, Cardoso JMR, Cichon D, Cimental Chavez AP, Clark M, Colijn AP, Conrad J, Cuenca-García JJ, Cussonneau JP, D'Andrea V, Decowski MP, Di Gangi P, Di Pede S, Diglio S, Eitel K, Elykov A, Farrell S, Ferella AD, Ferrari C, Fischer H, Flierman M, Fulgione W, Fuselli C, Gaemers P, Gaior R, Gallo Rosso A, Galloway M, Gao F, Glade-Beucke R, Grandi L, Grigat J, Guan H, Guida M, Hammann R, Higuera A, Hils C, Hoetzsch L, Hood NF, Howlett J, Iacovacci M, Itow Y, Jakob J, Joerg F, Joy A, Kato N, Kara M, Kavrigin P, Kazama S, Kobayashi M, Koltman G, Kopec A, Kuger F, Landsman H, Lang RF, Levinson L, Li I, Li S, Liang S, Lindemann S, Lindner M, Liu K, Loizeau J, Lombardi F, Long J, Lopes JAM, Ma Y, Macolino C, Mahlstedt J, Mancuso A, Manenti L, Marignetti F, Marrodán Undagoitia T, Martens K, Masbou J, Masson D, Masson E, Mastroianni S, Messina M, Miuchi K, Mizukoshi K, Molinario A, Moriyama S, Morå K, Mosbacher Y, Murra M, Müller J, Ni K, Oberlack U, Paetsch B, Palacio J, Pellegrini Q, Peres R, Peters C, Pienaar J, Pierre M, Pizzella V, Plante G, Pollmann TR, Qi J, Qin J, Ramírez García D, Singh R, Sanchez L, Dos Santos JMF, Sarnoff I, Sartorelli G, Schreiner J, Schulte D, Schulte P, Schulze Eißing H, Schumann M, Scotto Lavina L, Selvi M, Semeria F, Shagin P, Shi S, Shockley E, Silva M, Simgen H, Takeda A, Tan PL, Terliuk A, Thers D, Toschi F, Trinchero G, Tunnell C, Tönnies F, Valerius K, Volta G, Weinheimer C, Weiss M, Wenz D, Wittweg C, Wolf T, Wu VHS, Xing Y, Xu D, Xu Z, Yamashita M, Yang L, Ye J, Yuan L, Zavattini G, Zhong M, Zhu T, XENON Collaboration

    Physical review letters   Vol. 130 ( 26 ) page: 261002   2023.6

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    Language:English  

    DOI: 10.1103/PhysRevLett.130.261002

    PubMed

  8. Low-energy calibration of XENON1T with an internal <SUP>37</SUP>Ar source

    Aprile, E; Abe, K; Agostini, F; Ahmed Maouloud, S; Alfonsi, M; Althueser, L; Andrieu, B; Angelino, E; Angevaare, JR; Antochi, VC; Antón Martin, D; Arneodo, F; Baudis, L; Baxter, AL; Bellagamba, L; Biondi, R; Bismark, A; Brown, A; Bruenner, S; Bruno, G; Budnik, R; Bui, TK; Cai, C; Capelli, C; Cardoso, JMR; Cichon, D; Colijn, AP; Conrad, J; Cuenca-García, JJ; Cussonneau, JP; D'Andrea, V; Decowski, MP; Di Gangi, P; Di Pede, S; Diglio, S; Eitel, K; Elykov, A; Farrell, S; Ferella, AD; Ferrari, C; Fischer, H; Fulgione, W; Gaemers, P; Gaior, R; Rosso, AG; Galloway, M; Gao, F; Glade-Beucke, R; Grandi, L; Grigat, J; Guida, M; Hammann, R; Higuera, A; Hils, C; Hoetzsch, L; Howlett, J; Iacovacci, M; Itow, Y; Jakob, J; Joerg, F; Joy, A; Kato, N; Kara, M; Kavrigin, P; Kazama, S; Kobayashi, M; Koltman, G; Kopec, A; Kuger, F; Landsman, H; Lang, RF; Levinson, L; Li, I; Li, S; Liang, S; Lindemann, S; Lindner, M; Liu, K; Loizeau, J; Lombardi, F; Long, J; Lopes, JAM; Ma, Y; Macolino, C; Mahlstedt, J; Mancuso, A; Manenti, L; Marignetti, F; Undagoitia, TM; Martens, K; Masbou, J; Masson, D; Masson, E; Mastroianni, S; Messina, M; Miuchi, K; Mizukoshi, K; Molinario, A; Moriyama, S; Morå, K; Mosbacher, Y; Murra, M; Müller, J; Ni, K; Oberlack, U; Paetsch, B; Palacio, J; Peres, R; Peters, C; Pienaar, J; Pierre, M; Pizzella, V; Plante, G; Qi, J; Qin, J; Garcia, DR; Reichard, S; Rocchetti, A; Rupp, N; Sanchez, L; Sanchez-Lucas, P; dos Santos, JMF; Sarnoff, I; Sartorelli, G; Schreiner, J; Schulte, D; Schulte, P; Eissng, HS; Schumann, M; Lavina, LS; Selvi, M; Semeria, F; Shagin, P; Shi, S; Shockley, E; Silva, M; Simgen, H; Takeda, A; Tan, PL; Terliuk, A; Thers, D; Toschi, F; Trinchero, G; Tunnell, C; Tönnies, F; Valerius, K; Volta, G; Weinheimer, C; Weiss, M; Wenz, D; Wittweg, C; Wolf, T; Xu, D; Xu, Z; Yamashita, M; Yang, L; Ye, J; Yuan, L; Zavattini, G; Zerbo, S; Zhong, M; Zhu, T; Geppert, C; Riemer, J

    EUROPEAN PHYSICAL JOURNAL C   Vol. 83 ( 6 )   2023.6

  9. A next-generation liquid xenon observatory for dark matter and neutrino physics

    Aalbers, J; AbdusSalam, SS; Abe, K; Aerne, ; Agostini, F; Maouloud, SA; Akerib, DS; Akimov, DY; Akshat, J; Al Musalhi, AK; Alder, F; Alsum, SK; Althueser, L; Amarasinghe, CS; Amaro, FD; Ames, A; Anderson, TJ; Andrieu, B; Angelides, N; Angelino, E; Angevaare, J; Antochi, VC; Martin, DA; Antunovic, B; Aprile, E; Araújo, HM; Armstrong, JE; Arneodo, F; Arthurs, M; Asadi, P; Baek, S; Bai, X; Bajpai, D; Baker, A; Balajthy, J; Balashov, S; Balzer, M; Bandyopadhyay, A; Bang, J; Barberio, E; Bargemann, JW; Baudis, L; Bauer, D; Baur, D; Baxter, A; Baxter, AL; Bazyk, M; Beattie, K; Behrens, J; Bell, NF; Bellagamba, L; Beltrame, P; Benabderrahmane, M; Bernard, EP; Bertone, GF; Bhattacharjee, P; Bhatti, A; Biekert, A; Biesiadzinski, TP; Binau, AR; Biondi, R; Biondi, Y; Birch, HJ; Bishara, F; Bismark, A; Blanco, C; Blockinger, GM; Bodnia, E; Boehm, C; Bolozdynya, A; Bolton, PD; Bottaro, S; Bourgeois, C; Boxer, B; Brás, P; Breskin, A; Breur, PA; Brew, CAJ; Brod, J; Brookes, E; Brown, A; Brown, E; 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Zhuang, Y; Zopounidis, JP; Zuber, K; Zupan, J

    JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS   Vol. 50 ( 1 )   2023.1

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KAKENHI (Grants-in-Aid for Scientific Research) 4

  1. XENONnT検出器を用いた低エネルギー電子反跳事象に対する高感度観測

    Grant number:23K13121  2023.4 - 2025.3

    科学研究費助成事業  若手研究

    小林 雅俊

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    Authorship:Principal investigator 

    Grant amount:\2600000 ( Direct Cost: \2000000 、 Indirect Cost:\600000 )

    イタリア・グランサッソで行われる暗黒物質探索実験XENONnTは、2022年の初期成果でkeV領域においてこれまでにない低放射能バックグラウンド環境を実現したことを示した。本研究ではこの極低放射データを用い、解析によってバックグラウンドの不定性を削減することでこれまで観測されたことのない数keV領域における太陽ニュートリノの反跳信号の観測を目指す。

  2. 大型液体キセノン検出器XENONnTを用いた暗黒物質の直接探索

    Grant number:22KJ1516  2023.3 - 2024.3

    科学研究費助成事業  特別研究員奨励費

    小林 雅俊

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    Authorship:Principal investigator 

    Grant amount:\4810000 ( Direct Cost: \3700000 、 Indirect Cost:\1110000 )

    本研究では大型液体キセノン検出器XENONnTを用い、我々の宇宙に存在する未知の質量である暗黒物質を発見することを目指す。XENONnT実験は2022年度に初期観測データを用いた解析結果を公表した後、更なるバックグラウンド低減を経て観測が継続されており、本データを解析して暗黒物質探索を行う。また更なる将来実験へ向けたR&Dにも取り組んでいく。
    本研究では、宇宙に存在する未知の質量である暗黒物質の直接的な発見を目的とする。報告者はその達成のため、イタリア・グランサッソ研究所で行われる大型キセノン検出器を用いた暗黒物質の直接探索実験XENONnTに参加し、本年度は主としてXENONnT検出器のデータ解析に取り組んだ。XENONnT実験では2021年7月から12月にかけて取得した初期観測データを用いた低エネルギー電子反跳事象に関するデータ解析の結果が本年度7月に発表しており、報告者はそのうち主としてキセノン中の不純物濃度の継時変化による、信号減衰量の推定などに取り組むことでシミュレーションの改善とエネルギー分解能の向上に貢献した。本結果では、前身のXENON1T実験におけるバックグラウンド信号を1/5まで低減することに成功し、同実験で報告された低エネルギー部における超過事象を検証した。データ解析の結果、XENONnT実験では同様の超過が観測されなかったことから、太陽アクシオン、ニュートリノの異常磁気モーメント、ダークフォトンなどの新物理や電子と弱く結合する暗黒物質モデルに関して世界で最も強い制限を与えることに成功し、PRL誌に論文として発表した。本結果から、XENON1T実験における超過は当時も議論されていた微量トリチウムによる影響と考えられている。また、同データを用いたWIMP暗黒物質に関する解析結果も本年度3月に発表しており、WIMPの兆候は観測されなかったもののXENON1T実験による制限値を更新することに成功している。WIMP解析に関する結果は、現在論文として投稿準備中となっている。
    XENONnT実験はCOVIDによる影響を受け、実験開始は遅れたものの順調にデータ取得を継続しており、報告者も貢献したデータ解析により初期観測の成果を発表している。また最も重要な課題の一つであった前身実験のXENON1T実験で観測された超過事象に関する検証を非常に明確に行い、いくつかの新物理モデルに関しては世界で最も良い制限をつけることに成功したため。
    XENONnT実験は、同種の実験において世界で最も低い放射性バックグラウンドでのデータの取得を続けている。本データを用いたより感度の高い暗黒物質探索を続けるとともに、本年度の成果から、暗黒物質だけでなく低エネルギー部における新たな観測として数keV領域における低エネルギー太陽ニュートリノの世界初観測も目標となる。

  3. Dark Matter and new particle searches with a large liqud xenon detector

    Grant number:22H00127  2022.4 - 2026.3

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)

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    Authorship:Coinvestigator(s) 

  4. Study of new physics with electron-recoil events in the XENONnt and further breakthrough with a hermetic liquid xenon TPC

    Grant number:21H04466  2021.4 - 2025.3

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)

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    Authorship:Coinvestigator(s)