Prof Subir Sarkar: Publications

IceCube

IceCube at Oxford

I am a member since 2004 of the IceCube collaboration which discovered cosmic high energy neutrinos and identified some of their astrophysical sources.

IceCube @ Oxford

Probing the Connection between IceCube Neutrinos and MOJAVE AGN

The Astrophysical Journal American Astronomical Society 973:2 (2024) 97

Authors:

R Abbasi, M Ackermann, J Adams, SK Agarwalla, JA Aguilar, M Ahlers, JM Alameddine, NM Amin, K Andeen, C Argüelles, Y Ashida, S Athanasiadou, L Ausborm, SN Axani, X Bai, A Balagopal V., M Baricevic, SW Barwick, S Bash, V Basu, R Bay, JJ Beatty, J Becker Tjus, J Beise, C Bellenghi, C Benning, S BenZvi, D Berley, E Bernardini, DZ Besson, E Blaufuss, L Bloom, S Blot, F Bontempo, JY Book Motzkin, C Boscolo Meneguolo, S Böser, O Botner, J Böttcher, J Braun, B Brinson, J Brostean-Kaiser, L Brusa, RT Burley, D Butterfield, MA Campana, I Caracas, K Carloni, J Carpio, S Chattopadhyay, N Chau, Z Chen, D Chirkin, S Choi, BA Clark, A Coleman, GH Collin, A Connolly, JM Conrad, R Corley, DF Cowen, P Dave, C De Clercq, JJ DeLaunay, D Delgado, S Deng, A Desai, P Desiati, KD de Vries, G de Wasseige, T DeYoung, A Diaz, JC Díaz-Vélez, P Dierichs, M Dittmer, A Domi, L Draper, H Dujmovic, D Durnford, K Dutta, MA DuVernois, T Ehrhardt, L Eidenschink, A Eimer, P Eller, E Ellinger, S El Mentawi, D Elsässer, R Engel, H Erpenbeck, J Evans, PA Evenson, KL Fan, K Fang, K Farrag, AR Fazely, A Fedynitch, N Feigl, S Fiedlschuster, C Finley, L Fischer, D Fox, A Franckowiak, S Fukami, P Fürst, J Gallagher, E Ganster, A Garcia, M Garcia, G Garg, E Genton, L Gerhardt, A Ghadimi, C Girard-Carillo, C Glaser, T Glüsenkamp, JG Gonzalez, S Goswami, A Granados, D Grant, SJ Gray, O Gries, S Griffin, S Griswold, KM Groth, D Guevel, C Günther, P Gutjahr, C Ha, C Haack, A Hallgren, L Halve, F Halzen, H Hamdaoui, M Ha Minh, M Handt, K Hanson, J Hardin, AA Harnisch, P Hatch, A Haungs, J Häußler, K Helbing, J Hellrung, J Hermannsgabner, L Heuermann, N Heyer, S Hickford, A Hidvegi, C Hill, GC Hill, KD Hoffman, S Hori, K Hoshina, M Hostert, W Hou, T Huber, K Hultqvist, M Hünnefeld, R Hussain, K Hymon, A Ishihara, W Iwakiri, M Jacquart, S Jain, O Janik, M Jansson, GS Japaridze, M Jeong, M Jin, BJP Jones, N Kamp, D Kang, W Kang, X Kang, A Kappes, D Kappesser, L Kardum, T Karg, M Karl, A Karle, A Katil, U Katz, M Kauer, JL Kelley, M Khanal, A Khatee Zathul, A Kheirandish, J Kiryluk, SR Klein, A Kochocki, R Koirala, H Kolanoski, T Kontrimas, L Köpke, C Kopper, DJ Koskinen, P Koundal, M Kovacevich, M Kowalski, T Kozynets, J Krishnamoorthi, K Kruiswijk, E Krupczak, A Kumar, E Kun, N Kurahashi, N Lad, C Lagunas Gualda, M Lamoureux, MJ Larson, S Latseva, F Lauber, JP Lazar, JW Lee, K Leonard DeHolton, A Leszczyńska, J Liao, M Lincetto, YT Liu, M Liubarska, C Love, L Lu, F Lucarelli, W Luszczak, Y Lyu, J Madsen, E Magnus, KBM Mahn, Y Makino, E Manao, S Mancina, W Marie Sainte, IC Mariş, S Marka, Z Marka, M Marsee, I Martinez-Soler, R Maruyama, F Mayhew, F McNally, JV Mead, K Meagher, S Mechbal, A Medina, M Meier, Y Merckx, L Merten, J Micallef, J Mitchell, T Montaruli, RW Moore, Y Morii, R Morse, M Moulai, T Mukherjee, R Naab, R Nagai, M Nakos, U Naumann, J Necker, A Negi, L Neste, M Neumann, H Niederhausen, MU Nisa, K Noda, A Noell, A Novikov, A Obertacke Pollmann, V O’Dell, B Oeyen, A Olivas, R Orsoe, J Osborn, E O’Sullivan, V Palusova, H Pandya, N Park, GK Parker, EN Paudel, L Paul, C Pérez de los Heros, T Pernice, J Peterson, A Pizzuto, M Plum, A Pontén, Y Popovych, M Prado Rodriguez, B Pries, R Procter-Murphy, GT Przybylski, C Raab, J Rack-Helleis, M Ravn, K Rawlins, Z Rechav, A Rehman, P Reichherzer, E Resconi, S Reusch, W Rhode, B Riedel, A Rifaie, EJ Roberts, S Robertson, S Rodan, G Roellinghoff, M Rongen, A Rosted, C Rott, T Ruhe, L Ruohan, D Ryckbosch, I Safa, J Saffer, D Salazar-Gallegos, P Sampathkumar, A Sandrock, M Santander, S Sarkar, S Sarkar, J Savelberg, P Savina, P Schaile, M Schaufel, H Schieler, S Schindler, L Schlickmann, B Schlüter, F Schlüter, N Schmeisser, T Schmidt, J Schneider, FG Schröder, L Schumacher, S Sclafani, D Seckel, M Seikh, M Seo, S Seunarine, P Sevle Myhr, R Shah, S Shefali, N Shimizu, M Silva, B Skrzypek, B Smithers, R Snihur, J Soedingrekso, A Søgaard, D Soldin, P Soldin, G Sommani, C Spannfellner, GM Spiczak, C Spiering, M Stamatikos, T Stanev, T Stezelberger, T Stürwald, T Stuttard, GW Sullivan, I Taboada, S Ter-Antonyan, A Terliuk, M Thiesmeyer, WG Thompson, J Thwaites, S Tilav, K Tollefson, C Tönnis, S Toscano, D Tosi, A Trettin, R Turcotte, JP Twagirayezu, MA Unland Elorrieta, AK Upadhyay, K Upshaw, A Vaidyanathan, N Valtonen-Mattila, J Vandenbroucke, N van Eijndhoven, D Vannerom, J van Santen, J Vara, F Varsi, J Veitch-Michaelis, M Venugopal, M Vereecken, S Vergara Carrasco, S Verpoest, D Veske, A Vijai, C Walck, A Wang, C Weaver, P Weigel, A Weindl, J Weldert, AY Wen, C Wendt, J Werthebach, M Weyrauch, N Whitehorn, CH Wiebusch, DR Williams, L Witthaus, A Wolf, M Wolf, G Wrede, XW Xu, JP Yanez, E Yildizci, S Yoshida, R Young, S Yu, T Yuan, Z Zhang, P Zhelnin, P Zilberman, M Zimmerman

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Prospects for γ-ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array

Journal of Cosmology and Astroparticle Physics IOP Publishing 2024:10 (2024) 004

Authors:

K Abe, S Abe, F Acero, A Acharyya, R Adam, A Aguasca-Cabot, I Agudo, A Aguirre-Santaella, J Alfaro, R Alfaro, N Alvarez-Crespo, R Alves Batista, J-P Amans, E Amato, EO Angüner, LA Antonelli, C Aramo, M Araya, C Arcaro, L Arrabito, K Asano, Y Ascasíbar, J Aschersleben, H Ashkar, L Augusto Stuani, D Baack, M Backes, A Baktash, C Balazs, M Balbo, O Ballester, A Baquero Larriva, V Barbosa Martins, U Barres de Almeida, JA Barrio, PI Batista, I Batkovic, R Batzofin, J Baxter, J Becerra González, G Beck, J Becker Tjus, W Benbow, J Bernete Medrano, K Bernlöhr, A Berti, B Bertucci, V Beshley, P Bhattacharjee, S Bhattacharyya, B Bi, N Biederbeck, A Biland, E Bissaldi, J Biteau, O Blanch, J Blazek, C Boisson, J Bolmont, P Bordas, Z Bosnjak, E Bottacini, F Bradascio, C Braiding, E Bronzini, R Brose, AM Brown, F Brun, G Brunetti, N Bucciantini, A Bulgarelli, I Burelli, L Burmistrov, M Burton, T Bylund, PG Calisse, A Campoy-Ordaz, BK Cantlay, M Capalbi, A Caproni, R Capuzzo-Dolcetta, P Caraveo, S Caroff, R Carosi, E Carquin, M-S Carrasco, E Cascone, F Cassol, AJ Castro-Tirado, D Cerasole, M Cerruti, P Chadwick, S Chaty, AW Chen, M Chernyakova, A Chiavassa, J Chudoba, L Chytka, A Cifuentes, CH Coimbra Araujo, V Conforti, F Conte, JL Contreras, J Cortina, A Costa, H Costantini, G Cotter, P Cristofari, O Cuevas, Z Curtis-Ginsberg, G D'Amico, F D'Ammando, M Dalchenko, F Dazzi, M de Bony de Lavergne, V De Caprio, F De Frondat Laadim, EM de Gouveia Dal Pino, B De Lotto, M De Lucia, D De Martino, R de Menezes, M de Naurois, N De Simone, V de Souza, MV del Valle, E Delagnes, AG Delgado Giler, C Delgado, M Dell'aiera, D della Volpe, D Depaoli, T Di Girolamo, A Di Piano, F Di Pierro, R Di Tria, L Di Venere, S Diebold, A Djannati-Ataï, J Djuvsland, RM Dominik, A Donini, D Dorner, J Dörner, M Doro, RDC dos Anjos, J-L Dournaux, C Duangchan, C Dubos, D Dumora, VV Dwarkadas, J Ebr, C Eckner, K Egberts, S Einecke, D Elsässer, G Emery, M Escobar Godoy, J Escudero, P Esposito, S Ettori, C Evoli, D Falceta-Goncalves, V Fallah Ramazani, A Fattorini, A Faure, E Fedorova, S Fegan, K Feijen, Q Feng, G Ferrand, F Ferrarotto, E Fiandrini, A Fiasson, M Filipovic, V Fioretti, L Foffano, L Font Guiteras, G Fontaine, S Fröse, Y Fukazawa, Y Fukui, D Gaggero, G Galanti, S Gallozzi, V Gammaldi, M Garczarczyk, C Gasbarra, D Gasparrini, M Gaug, A Ghalumyan, F Gianotti, M Giarrusso, J Giesbrecht, N Giglietto, F Giordano, J-F Glicenstein, H Göksu, P Goldoni, JM González, MM González, J Goulart Coelho, J Granot, R Grau, L Gréaux, D Green, JG Green, I Grenier, G Grolleron, J Grube, O Gueta, J Hackfeld, D Hadasch, P Hamal, W Hanlon, S Hara, VM Harvey, T Hassan, L Heckmann, M Heller, S Hernández Cadena, O Hervet, J Hie, N Hiroshima, B Hnatyk, R Hnatyk, J Hoang, D Hoffmann, W Hofmann, J Holder, D Horan, P Horvath, D Hrupec, M Hütten, M Iarlori, T Inada, F Incardona, S Inoue, F Iocco, M Iori, M Jamrozy, P Janecek, F Jankowsky, C Jarnot, P Jean, I Jiménez Martínez, W Jin, C Juramy-Gilles, J Jurysek, M Kagaya, D Kantzas, V Karas, H Katagiri, J Kataoka, S Kaufmann, D Kerszberg, B Khélifi, R Kissmann, T Kleiner, G Kluge, W Kluźniak, J Knödlseder, Y Kobayashi, K Kohri, N Komin, P Kornecki, K Kosack, G Kowal, H Kubo, J Kushida, A La Barbera, N La Palombara, M Láinez, A Lamastra, J Lapington, P Laporte, S Lazarević, F Leitgeb, M Lemoine-Goumard, J-P Lenain, F Leone, G Leto, F Leuschner, E Lindfors, M Linhoff, I Liodakis, S Lombardi, F Longo, R López-Coto, M López-Moya, A López-Oramas, S Loporchio, PL Luque-Escamilla, O Macias, J Mackey, P Majumdar, D Malyshev, D Mandat, M Manganaro, G Manicò, M Mariotti, S Markoff, I Márquez, P Marquez, G Marsella, GA Martínez, M Martínez, O Martinez, C Marty, A Mas-Aguilar, M Mastropietro, G Maurin, D Mazin, D Melkumyan, AJTS Mello, J-L Meunier, DM-A Meyer, M Meyer, D Miceli, M Michailidis, J Michałowski, T Miener, JM Miranda, A Mitchell, M Mizote, T Mizuno, R Moderski, M Molero, C Molfese, E Molina, T Montaruli, D Morcuende, K Morik, G Morlino, A Morselli, E Moulin, V Moya Zamanillo, K Munari, T Murach, A Muraczewski, H Muraishi, S Nagataki, T Nakamori, R Nemmen, N Neyroud, L Nickel, J Niemiec, D Nieto, M Nievas Rosillo, M Nikołajuk, K Nishijima, K Noda, D Nosek, V Novotny, S Nozaki, P O'Brien, M Ohishi, Y Ohtani, A Okumura, J-F Olive, B Olmi, RA Ong, M Orienti, R Orito, M Orlandini, E Orlando, M Ostrowski, I Oya, A Pagliaro, M Palatiello, G Panebianco, D Paneque, FR Pantaleo, R Paoletti, JM Paredes, N Parmiggiani, SR Patel, B Patricelli, D Pavlović, M Pech, M Pecimotika, U Pensec, M Peresano, J Pérez-Romero, G Peron, M Persic, P-O Petrucci, O Petruk, G Piano, E Pierre, E Pietropaolo, F Pintore, G Pirola, S Pita, C Plard, F Podobnik, M Pohl, M Polo, E Pons, G Ponti, E Prandini, J Prast, G Principe, C Priyadarshi, N Produit, E Pueschel, G Pühlhofer, ML Pumo, M Punch, F Queiroz, A Quirrenbach, S Rainò, R Rando, S Razzaque, S Recchia, M Regeard, P Reichherzer, A Reimer, O Reimer, A Reisenegger, W Rhode, D Ribeiro, M Ribó, T Richtler, J Rico, F Rieger, C Righi, L Riitano, V Rizi, E Roache, G Rodriguez Fernandez, JJ Rodríguez-Vázquez, P Romano, G Romeo, J Rosado, A Rosales de Leon, G Rowell, B Rudak, CB Rulten, F Russo, I Sadeh, L Saha, T Saito, H Salzmann, D Sanchez, M Sánchez-Conde, P Sangiorgi, H Sano, M Santander, A Santangelo, R Santos-Lima, A Sanuy, T Šarić, A Sarkar, S Sarkar, K Satalecka, FG Saturni, V Savchenko, A Scherer, P Schipani, B Schleicher, JL Schubert, F Schussler, U Schwanke, G Schwefer, M Seglar Arroyo, S Seiji, D Semikoz, O Sergijenko, M Servillat, V Sguera, RY Shang, P Sharma, H Siejkowski, A Sinha, C Siqueira, V Sliusar, A Slowikowska, H Sol, A Specovius, ST Spencer, D Spiga, A Stamerra, S Stanič, T Starecki, R Starling, Ł Stawarz, C Steppa, T Stolarczyk, J Strišković, Y Suda, T Suomijärvi, H Tajima, D Tak, M Takahashi, R Takeishi, SJ Tanaka, T Tavernier, LA Tejedor, K Terauchi, R Terrier, M Teshima, WW Tian, L Tibaldo, O Tibolla, F Torradeflot, DF Torres, E Torresi, G Tosti, L Tosti, N Tothill, F Toussenel, V Touzard, A Tramacere, P Travnicek, G Tripodo, S Truzzi, A Tsiahina, A Tutone, M Vacula, B Vallage, P Vallania, C van Eldik, J van Scherpenberg, J Vandenbroucke, V Vassiliev, M Vázquez Acosta, M Vecchi, S Ventura, S Vercellone, G Verna, A Viana, N Viaux, A Vigliano, CF Vigorito, V Vitale, V Vodeb, V Voisin, S Vorobiov, G Voutsinas, I Vovk, T Vuillaume, SJ Wagner, R Walter, M Wechakama, R White, A Wierzcholska, M Will, DA Williams, F Wohlleben, A Wolter, T Yamamoto, R Yamazaki, T Yoshida, T Yoshikoshi, M Zacharias, G Zaharijas, D Zavrtanik, M Zavrtanik, AA Zdziarski, A Zech, VI Zhdanov, M Živec, J Zuriaga-Puig, P De la Torre Luque, The CTA consortium, The CTA consortium

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Search for a light sterile neutrino with 7.5 years of IceCube DeepCore data

Physical Review D American Physical Society (APS) 110:7 (2024) 072007

Authors:

R Abbasi, M Ackermann, J Adams, SK Agarwalla, JA Aguilar, M Ahlers, JM Alameddine, NM Amin, K Andeen, C Argüelles, Y Ashida, S Athanasiadou, L Ausborm, SN Axani, X Bai, A Balagopal V., M Baricevic, SW Barwick, S Bash, V Basu, R Bay, JJ Beatty, J Becker Tjus, J Beise, C Bellenghi, C Benning, S BenZvi, D Berley, E Bernardini, DZ Besson, E Blaufuss, L Bloom, S Blot, F Bontempo, JY Book Motzkin, C Boscolo Meneguolo, S Böser, O Botner, J Böttcher, E Bourbeau, J Braun, B Brinson, J Brostean-Kaiser, L Brusa, RT Burley, D Butterfield, MA Campana, I Caracas, K Carloni, J Carpio, S Chattopadhyay, N Chau, Z Chen, D Chirkin, S Choi, BA Clark, A Coleman, GH Collin, A Connolly, JM Conrad, R Corley, DF Cowen, P Dave, C De Clercq, JJ DeLaunay, D Delgado, S Deng, A Desai, P Desiati, KD de Vries, G de Wasseige, T DeYoung, A Diaz, JC Díaz-Vélez, P Dierichs, M Dittmer, A Domi, L Draper, H Dujmovic, D Durnford, K Dutta, MA DuVernois, T Ehrhardt, L Eidenschink, A Eimer, P Eller, E Ellinger, S El Mentawi, D Elsässer, R Engel, H Erpenbeck, J Evans, PA Evenson, KL Fan, K Fang, K Farrag, AR Fazely, A Fedynitch, N Feigl, S Fiedlschuster, C Finley, L Fischer, D Fox, A Franckowiak, S Fukami, P Fürst, J Gallagher, E Ganster, A Garcia, M Garcia, G Garg, E Genton, L Gerhardt, A Ghadimi, C Girard-Carillo, C Glaser, T Glüsenkamp, JG Gonzalez, S Goswami, A Granados, D Grant, SJ Gray, O Gries, S Griffin, S Griswold, KM Groth, D Guevel, C Günther, P Gutjahr, C Ha, C Haack, A Hallgren, L Halve, F Halzen, H Hamdaoui, M Ha Minh, M Handt, K Hanson, J Hardin, AA Harnisch, P Hatch, A Haungs, J Häußler, K Helbing, J Hellrung, J Hermannsgabner, L Heuermann, N Heyer, S Hickford, A Hidvegi, J Hignight, C Hill, GC Hill, KD Hoffman, S Hori, K Hoshina, M Hostert, W Hou, T Huber, K Hultqvist, M Hünnefeld, R Hussain, K Hymon, A Ishihara, W Iwakiri, M Jacquart, S Jain, O Janik, M Jansson, GS Japaridze, M Jeong, M Jin, BJP Jones, N Kamp, D Kang, W Kang, X Kang, A Kappes, D Kappesser, L Kardum, T Karg, M Karl, A Karle, A Katil, U Katz, M Kauer, JL Kelley, M Khanal, A Khatee Zathul, A Kheirandish, J Kiryluk, SR Klein, A Kochocki, R Koirala, H Kolanoski, T Kontrimas, L Köpke, C Kopper, DJ Koskinen, P Koundal, M Kovacevich, M Kowalski, T Kozynets, J Krishnamoorthi, K Kruiswijk, E Krupczak, A Kumar, E Kun, N Kurahashi, N Lad, C Lagunas Gualda, M Lamoureux, MJ Larson, S Latseva, F Lauber, JP Lazar, JW Lee, K Leonard DeHolton, A Leszczyńska, J Liao, M Lincetto, YT Liu, M Liubarska, C Love, L Lu, F Lucarelli, W Luszczak, Y Lyu, W Y., J Madsen, E Magnus, KBM Mahn, Y Makino, E Manao, S Mancina, W Marie Sainte, IC Mariş, S Marka, Z Marka, M Marsee, I Martinez-Soler, R Maruyama, F Mayhew, F McNally, JV Mead, K Meagher, S Mechbal, A Medina, M Meier, Y Merckx, L Merten, J Micallef, J Mitchell, T Montaruli, RW Moore, Y Morii, R Morse, M Moulai, T Mukherjee, R Naab, R Nagai, M Nakos, U Naumann, J Necker, A Negi, L Neste, M Neumann, H Niederhausen, MU Nisa, K Noda, A Noell, A Novikov, A Obertacke Pollmann, V O’Dell, B Oeyen, A Olivas, R Orsoe, J Osborn, E O’Sullivan, V Palusova, H Pandya, N Park, GK Parker, EN Paudel, L Paul, C Pérez de los Heros, T Pernice, J Peterson, A Pizzuto, M Plum, A Pontén, Y Popovych, M Prado Rodriguez, B Pries, R Procter-Murphy, GT Przybylski, C Raab, J Rack-Helleis, M Ravn, K Rawlins, Z Rechav, A Rehman, P Reichherzer, E Resconi, S Reusch, W Rhode, B Riedel, A Rifaie, EJ Roberts, S Robertson, S Rodan, G Roellinghoff, M Rongen, A Rosted, C Rott, T Ruhe, L Ruohan, D Ryckbosch, I Safa, J Saffer, D Salazar-Gallegos, P Sampathkumar, A Sandrock, M Santander, S Sarkar, S Sarkar, J Savelberg, P Savina, P Schaile, M Schaufel, H Schieler, S Schindler, L Schlickmann, B Schlüter, F Schlüter, N Schmeisser, T Schmidt, J Schneider, FG Schröder, L Schumacher, S Sclafani, D Seckel, M Seikh, M Seo, S Seunarine, P Sevle Myhr, R Shah, S Shefali, N Shimizu, M Silva, B Skrzypek, B Smithers, R Snihur, J Soedingrekso, A Søgaard, D Soldin, P Soldin, G Sommani, C Spannfellner, GM Spiczak, C Spiering, M Stamatikos, T Stanev, T Stezelberger, T Stürwald, T Stuttard, GW Sullivan, I Taboada, S Ter-Antonyan, A Terliuk, M Thiesmeyer, WG Thompson, J Thwaites, S Tilav, K Tollefson, C Tönnis, S Toscano, D Tosi, A Trettin, R Turcotte, JP Twagirayezu, MA Unland Elorrieta, AK Upadhyay, K Upshaw, A Vaidyanathan, N Valtonen-Mattila, J Vandenbroucke, N van Eijndhoven, D Vannerom, J van Santen, J Vara, F Varsi, J Veitch-Michaelis, M Venugopal, M Vereecken, S Vergara Carrasco, S Verpoest, D Veske, A Vijai, C Walck, A Wang, C Weaver, P Weigel, A Weindl, J Weldert, AY Wen, C Wendt, J Werthebach, M Weyrauch, N Whitehorn, CH Wiebusch, DR Williams, L Witthaus, A Wolf, M Wolf, G Wrede, XW Xu, JP Yanez, E Yildizci, S Yoshida, R Young, S Yu, T Yuan, Z Zhang, P Zhelnin, P Zilberman, M Zimmerman

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2D Convolutional Neural Network for Event Reconstruction in IceCube DeepCore

Proceedings of Science 444 (2024)

Authors:

R Abbasi, M Ackermann, J Adams, SK Agarwalla, JA Aguilar, M Ahlers, JM Alameddine, NM Amin, K Andeen, G Anton, C Argüelles, Y Ashida, S Athanasiadou, SN Axani, X Bai, AV Balagopal, M Baricevic, SW Barwick, V Basu, R Bay, JJ Beatty, J Becker Tjus, J Beise, C Bellenghi, C Benning, S BenZvi, D Berley, E Bernardini, DZ Besson, E Blaufuss, S Blot, F Bontempo, JY Book, C Boscolo Meneguolo, S Böser, O Botner, J Böttcher, E Bourbeau, J Braun, B Brinson, J Brostean-Kaiser, RT Burley, RS Busse, D Butterfield, MA Campana, K Carloni, EG Carnie-Bronca, S Chattopadhyay, N Chau, C Chen, Z Chen, D Chirkin, S Choi, BA Clark, L Classen, A Coleman, GH Collin, A Connolly, JM Conrad, P Coppin, P Correa, DF Cowen, P Dave, C De Clercq, JJ DeLaunay, D Delgado, S Deng, K Deoskar, A Desai, P Desiati, KD de Vries, G de Wasseige, T DeYoung, A Diaz, JC Díaz-Vélez, M Dittmer, A Domi, H Dujmovic, MA DuVernois, T Ehrhardt, P Eller, E Ellinger, S El Mentawi, D Elsässer, R Engel, H Erpenbeck, J Evans, PA Evenson, KL Fan, K Fang, K Farrag, AR Fazely, A Fedynitch, N Feigl, S Fiedlschuster, C Finley, L Fischer, D Fox, A Franckowiak, A Fritz

Abstract:

IceCube DeepCore is an extension of the IceCube Neutrino Observatory designed to measure GeV scale atmospheric neutrino interactions for the purpose of neutrino oscillation studies. Distinguishing muon neutrinos from other flavors and reconstructing inelasticity are especially difficult tasks at GeV scale energies in IceCube DeepCore due to sparse instrumentation. Convolutional neural networks (CNNs) have been found to have better success at neutrino event reconstruction than conventional likelihood-based methods. In this contribution, we present a new CNN model that exploits time and depth translational symmetry in IceCube DeepCore data and present the model’s performance, specifically for flavor identification and inelasticity reconstruction.

A time variability test for neutrino sources identified by IceCube

Proceedings of Science 444 (2024)

Authors:

Abstract:

IceCube has reported evidence for neutrino emission from the Seyfert-II galaxy NGC 1068 and the blazar TXS 0506+056. The former was identified in a time-integrated search, and the latter using time-dependent and multi-messenger methods. A natural question is: are sources identified in time-integrated searches consistent with a steady neutrino source? We present a non-parametric method, TAUNTON, to answer this question. Motivated by the Cramér-von Mises test, TAUNTON is an unbinned single-hypothesis method to identify deviations in neutrino data from the steady hypothesis. An advantage of TAUNTON is that it is sensitive to arbitrary deviations from the steady hypothesis. Here we present results of TAUNTON applied to a 8.7 year data-set of muon neutrino track events; the same data used to identify NGC 1068 at 4.2σ. We use TAUNTON on 51 objects, a subset (with >4 signal neutrinos) of the 110 objects studied in the NGC 1068 publication. We set a threshold of 3σ pre-trial to identify sources inconsistent with the steady hypothesis. TAUNTON reports a p-value of 0.9 for NGC 1068, consistent with the steady hypothesis. Using the time integrated fit, data for TXS 0506+056 is consistent with the steady hypothesis at 1.7σ. Time variability is not identified for TXS 0506+056 because there are few neutrino events.

Prof Subir Sarkar

Research theme

Sub department

IceCube

IceCube at Oxford

Probing the Connection between IceCube Neutrinos and MOJAVE AGN

Authors:

Prospects for γ-ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array

Authors:

Search for a light sterile neutrino with 7.5 years of IceCube DeepCore data

Authors:

2D Convolutional Neural Network for Event Reconstruction in IceCube DeepCore

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Abstract:

A time variability test for neutrino sources identified by IceCube

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Prof Subir Sarkar

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IceCube

IceCube at Oxford

Probing the Connection between IceCube Neutrinos and MOJAVE AGN

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Prospects for γ-ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array

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Search for a light sterile neutrino with 7.5 years of IceCube DeepCore data

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2D Convolutional Neural Network for Event Reconstruction in IceCube DeepCore

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A time variability test for neutrino sources identified by IceCube

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