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

The LED calibration systems for the mDOM and D-Egg sensor modules of the IceCube Upgrade: Design, production, testing and use in module calibration

Journal of Instrumentation IOP Publishing 20:11 (2025) P11026

Authors:

R Abbasi, M Ackermann, J Adams, SK Agarwalla, JA Aguilar, M Ahlers, JM Alameddine, S Ali, NM Amin, K Andeen, C Argüelles, Y Ashida, S Athanasiadou, SN Axani, R Babu, X Bai, J Baines-Holmes, A Balagopal V., SW Barwick, S Bash, V Basu, R Bay, JJ Beatty, J Becker Tjus

Abstract:

The IceCube Neutrino Observatory, instrumenting about 1 km3 of deep, glacial ice at the geographic South Pole, is due to be enhanced with the IceCube Upgrade. The IceCube Upgrade, to be deployed during the 2025/26 Antarctic summer season, will consist of seven new strings of photosensors, densely embedded near the bottom center of the existing array. Aside from a world-leading sensitivity to neutrino oscillations, a primary goal is the improvement of the calibration of the optical properties of the instrumented ice. This calibration will be applied to the entire archive of IceCube data, improving the angular and energy resolution of the detected neutrino events. For this purpose, the Upgrade strings include a host of new calibration devices. Aside from dedicated calibration modules, several thousand LED flashers have been incorporated into the photosensor modules. We describe the design, production, and testing of these LED flashers before their integration into the sensor modules as well as the use of the LED flashers during lab testing of assembled sensor modules.

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Limits on GeV-scale WIMP Annihilation in Dwarf Spheroidals with IceCube DeepCore

(2025)

Authors:

R Abbasi, M Ackermann, J Adams, SK Agarwalla, JA Aguilar, M Ahlers, JM Alameddine, S Ali, NM Amin, K Andeen, C ArgÃ¼elles, Y Ashida, S Athanasiadou, SN Axani, R Babu, X Bai, J Baines-Holmes, A Balagopal V., SW Barwick, S Bash, V Basu, R Bay, JJ Beatty, J Becker Tjus, P Behrens, J Beise, C Bellenghi, S Benkel, S BenZvi, D Berley, E Bernardini, DZ Besson, E Blaufuss, L Bloom, S Blot, I Bodo, F Bontempo, JY Book Motzkin, C Boscolo Meneguolo, S BÃ¶ser, O Botner, J BÃ¶ttcher, J Braun, B Brinson, Z Brisson-Tsavoussis, RT Burley, D Butterfield, MA Campana, K Carloni, J Carpio, S Chattopadhyay, N Chau, Z Chen, D Chirkin, S Choi, BA Clark, A Coleman, P Coleman, GH Collin, DA Coloma Borja, A Connolly, JM Conrad, DF Cowen, C De Clercq, JJ DeLaunay, D Delgado, T Delmeulle, S Deng, P Desiati, KD de Vries, G de Wasseige, T DeYoung, JC DÃaz-VÃ©lez, S DiKerby, T Ding, M Dittmer, A Domi, L Draper, L Dueser, D Durnford, K Dutta, MA DuVernois, T Ehrhardt, L Eidenschink, A Eimer, C Eldridge, P Eller, E Ellinger, D ElsÃ¤sser, R Engel, H Erpenbeck, W Esmail, S Eulig, J Evans, PA Evenson, KL Fan, K Fang, K Farrag, AR Fazely, A Fedynitch, N Feigl, C Finley, L Fischer, D Fox, A Franckowiak, S Fukami, P FÃ¼rst, J Gallagher, E Ganster, A Garcia, M Garcia, G Garg, E Genton, L Gerhardt, A Ghadimi, T GlÃ¼senkamp, JG Gonzalez, S Goswami, A Granados, D Grant, SJ Gray, S Griffin, S Griswold, KM Groth, D Guevel, C GÃ¼nther, P Gutjahr, C Ha, C Haack, A Hallgren, L Halve, F Halzen, L Hamacher, M Ha Minh, M Handt, K Hanson, J Hardin, AA Harnisch, P Hatch, A Haungs, J HÃ¤uÃler, K Helbing, J Hellrung, B Henke, L Hennig, F Henningsen, L Heuermann, R Hewett, N Heyer, S Hickford, A Hidvegi, C Hill, GC Hill, R Hmaid, KD Hoffman, D Hooper, S Hori, K Hoshina, M Hostert, W Hou, M Hrywniak, T Huber, K Hultqvist, K Hymon, A Ishihara, W Iwakiri, M Jacquart, S Jain, O Janik, M Jansson, M Jeong, M Jin, N Kamp, D Kang, W Kang, A Kappes, L Kardum, T Karg, M Karl, A Karle, A Katil, M Kauer, JL Kelley, M Khanal, A Khatee Zathul, A Kheirandish, H Kimku, J Kiryluk, C Klein, SR Klein, Y Kobayashi, A Kochocki, R Koirala, H Kolanoski, T Kontrimas, L KÃ¶pke, C Kopper, DJ Koskinen, P Koundal, M Kowalski, T Kozynets, A Kravka, N Krieger, J Krishnamoorthi, T Krishnan, K Kruiswijk, E Krupczak, A Kumar, E Kun, N Kurahashi, N Lad, C Lagunas Gualda, L Lallement Arnaud, MJ Larson, F Lauber, JP Lazar, K Leonard DeHolton, A LeszczyÅska, C Li, J Liao, C Lin, QR Liu, YT Liu, M Liubarska, C Love, L Lu, F Lucarelli, W Luszczak, Y Lyu, M Macdonald, J Madsen, E Magnus, Y Makino, E Manao, S Mancina, A Mand, IC MariÅ, S Marka, Z Marka, L Marten, I Martinez-Soler, R Maruyama, J Mauro, F Mayhew, F McNally, K Meagher, S Mechbal, A Medina, M Meier, Y Merckx, L Merten, J Mitchell, L Molchany, S Mondal, T Montaruli, RW Moore, Y Morii, A Mosbrugger, M Moulai, D Mousadi, E Moyaux, T Mukherjee, R Naab, M Nakos, U Naumann, J Necker, L Neste, M Neumann, H Niederhausen, MU Nisa, K Noda, A Noell, A Novikov, A Obertacke, V O'Dell, A Olivas, R Orsoe, J Osborn, E O'Sullivan, V Palusova, H Pandya, A Parenti, N Park, V Parrish, EN Paudel, L Paul, C PÃ rez de los Heros, T Pernice, TC Petersen, J Peterson, M Plum, A PontÃ©n, V Poojyam, Y Popovych, M Prado Rodriguez, B Pries, R Procter-Murphy, GT Przybylski, L Pyras, C Raab, J Rack-Helleis, N Rad, M Ravn, K Rawlins, Z Rechav, A Rehman, I Reistroffer, E Resconi, S Reusch, CD Rho, W Rhode, L Ricca, B Riedel, A Rifaie, EJ Roberts, M Rongen, A Rosted, C Rott, T Ruhe, L Ruohan, D Ryckbosch, J Saffer, D Salazar-Gallegos, P Sampathkumar, A Sandrock, G Sanger-Johnson, M Santander, S Sarkar, M Scarnera, P Schaile, M Schaufel, H Schieler, S Schindler, L Schlickmann, B SchlÃ¼ter, F SchlÃ¼ter, N Schmeisser, T Schmidt, FG SchrÃ¶der, L Schumacher, S Schwirn, S Sclafani, D Seckel, L Seen, M Seikh, S Seunarine, PA Sevle Myhr, R Shah, S Shah, S Shefali, N Shimizu, B Skrzypek, R Snihur, J Soedingrekso, D Soldin, P Soldin, G Sommani, C Spannfellner, GM Spiczak, C Spiering, J Stachurska, M Stamatikos, T Stanev, T Stezelberger, T StÃ¼rwald, T Stuttard, GW Sullivan, I Taboada, S Ter-Antonyan, A Terliuk, A Thakuri, M Thiesmeyer, WG Thompson, J Thwaites, S Tilav, K Tollefson, S Toscano, D Tosi, A Trettin, AK Upadhyay, K Upshaw, A Vaidyanathan, N Valtonen-Mattila, J Valverde, J Vandenbroucke, T Van Eeden, N van Eijndhoven, L Van Rootselaar, J van Santen, J Vara, F Varsi, M Venugopal, M Vereecken, S Vergara Carrasco, S Verpoest, D Veske, A Vijai, J Villarreal, C Walck, A Wang, EHS Warrick, C Weaver, P Weigel, A Weindl, J Weldert, AY Wen, C Wendt, J Werthebach, M Weyrauch, N Whitehorn, CH Wiebusch, DR Williams, L Witthaus, M Wolf, G Wrede, XW Xu, JP Yanez, Y Yao, E Yildizci, S Yoshida, R Young, F Yu, S Yu, T Yuan, S Yun-CÃ¡rcamo, A Zander Jurowitzki, A Zegarelli, S Zhang, Z Zhang, P Zhelnin, P Zilberman

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Suppression of pair beam instabilities in a laboratory analogue of blazar pair cascades

Proceedings of the National Academy of Sciences National Academy of Sciences 122:45 (2025) e2513365122

Authors:

Charles Arrowsmith, Francesco Miniati, Pablo J Bilbao, Pascal Simon, Archie Bott, Stephane Burger, Hui Chen, Filipe D Cruz, Tristan Davenne, Anthony Dyson, Ilias Efthymiopoulos, Dustin H Froula, Alice Goillot, Jon T Gudmundsson, Dan Haberberger, Jack WD Halliday, Thomas Hodge, Brian T Huffman, Sam Iaquinta, G Marshall, Brian Reville, Subir Sarkar, Alexander Schekochihin, Luis O Silva, Raspberry Simpson, Vasiliki Stergiou, Raoul MGM Trines, Thibault Vieu, Nikolaos Charitonidis, Robert Bingham, Gianluca Gregori

Abstract:

The generation of dense electron-positron pair beams in the laboratory can enable direct tests of theoretical models of γ-ray bursts and active galactic nuclei. We have successfully achieved this using ultrarelativistic protons accelerated by the Super Proton Synchrotron at (CERN). In the first application of this experimental platform, the stability of the pair beam is studied as it propagates through a meter-length plasma, analogous to TeV γ-ray-induced pair cascades in the intergalactic medium. It has been argued that pair beam instabilities disrupt the cascade, thus accounting for the observed lack of reprocessed GeV emission from TeV blazars. If true, this would remove the need for a moderate strength intergalactic magnetic field to explain the observations. We find that the pair beam instability is suppressed if the beam is not perfectly collimated or monochromatic, hence the lower limit to the intergalactic magnetic field inferred from γ-ray observations of blazars is robust.

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Spectrum of PeV Cosmic-Ray Protons and Helium Nuclei with IceCube

Sissa Medialab Srl (2025) 376

Authors:

Julian Saffer, Rasha Abbasi, Markus Ackermann, Jenni Adams, Sanjib Kumar Agarwalla, Juanan Aguilar, Markus Ahlers, Jean-Marco Alameddine, Shoukat Ali, Najia Moureen Binte Amin, Karen Andeen, Carlos Argüelles, Yosuke Ashida, Sofia Athanasiadou, Spencer Axani, Rishi Babu, Xinhua Bai, Joe Baines-Holmes, Aswathi Balagopal V, Steven W Barwick, Simeon Bash, Vedant Basu, Ryan Bay, James Beatty, Julia Becker Tjus, Philipp Behrens, Jakob Beise, Chiara Bellenghi, Bruno Benkel, Segev BenZvi, David Berley, Elisa Bernardini, Dave Besson, Erik Blaufuss, Lucas Bloom, Summer Blot, Ilya Bodo, Federico Bontempo, Julia Book Motzkin, Caterina Boscolo Meneguolo, Sebastian BOSER, Olga Botner, Jakob Bottcher, Jim Braun, Bennett Brinson, Zoe Brisson-Tsavoussis, Ryan T Burley, Delaney Butterfield, Michael Campana, Kiara Carloni, Jose Carpio, Sharmistha Chattopadhyay, Thien Nhan Chau, Zheyang Chen, Dmitry Chirkin, Seowon Choi, Brian Clark, Alan Coleman, Peter John Cusack Coleman, Gabriel Collin, Diego Alberto Coloma Borja, Amy Connolly, Janet Conrad, Rebecca Corley, Doug Cowen, Catherine DE CLERCQ, James DeLaunay, Diyaselis Delgado, Thomas Delmeulle, Shuyang Deng, Paolo Desiati, Krijn de Vries, Gwenhaël de Wasseige, Tyce DeYoung, Juan Carlos Diaz-Velez, Stephen DiKerby, Markus Dittmer, Alba Domi, Lincoln Draper, Lasse Dueser, Daniel Durnford, Kaustav Dutta, Michael DuVernois, Thomas Ehrhardt, Leonhard Eidenschink, Anna Eimer, Philipp Eller, Enrico Ellinger, Dominik Elsässer, Ralph Engel, Hannah Erpenbeck, Waleed Esmail, Steven Eulig, John Evans, Paul Evenson, Kwok Lung Fan, Ke Fang, Kareem Ramadan Farrag, Ali Fazely, Anatoli Fedynitch, Nora Feigl, Chad Finley, Leander Fischer, Derek B Fox, Anna Franckowiak, Satoshi Fukami, Philipp Furst, John Gallagher, Erik Ganster, Alfonso Garcia, Miles Garcia, Gopal Garg, Eliot Genton, Lisa Gerhardt, Ava Ghadimi, Christian Glaser, Thorsten Glüsenkamp, Javier Gonzalez, Sreetama Goswami, Alejandra Granados, Darren Grant, Shannon Gray, Sean Griffin, Spencer Griswold, Kathrine Morch Groth, David Joseph Guevel, Christoph Günther, Pascal Gutjahr, Chang Hyon Ha, Christian Haack, Allan Hallgren, Lasse Halve, Francis Halzen, Leon Hamacher, Martin Ha Minh, Michael Handt, Kael Hanson, John Hardin, Alexander Harnisch, Patrick Hatch, Andreas Haungs, Jonas Haussler, Klaus Helbing, Jonas Hellrung, Brandon Henke, Lukas Hennig, Felix Henningsen, Lars Philipp Heuermann, Rhia Hewett, Nils Heyer, Stephanie Hickford, Attila Hidvegi, Colton Hill, Gary Hill, Ramy Hmaid, Kara Hoffman, Dan Hooper, Sam Hori, Kotoyo Hoshina, Matheus Hostert, Wenjie Hou, Thomas Huber, Klas Hultqvist, Karolin Hymon, Aya Ishihara, Wataru Iwakiri, Marc Jacquart, Samyak Jain, Oliver Janik, Matti Jansson, Minjin Jeong, Miaochen Jin, Nicholas Kamp, Donghwa Kang, Woosik Kang, Xinyue Kang, Alexander Kappes, Leonora Kardum, Timo Karg, Martina Karl, Albrecht Karle, Akanksha Katil, Matt Kauer, John Kelley, Manish Khanal, Arifa Khatee Zathul, Ali Kheirandish, Hani KimKu, Joanna Kiryluk, Carolin Klein, Spencer Klein, Yukiho Kobayashi, Alina Kochocki, Ramesh Koirala, Hermann Kolanoski, Tomas Kontrimas, Lutz Kopke, Claudio Kopper, Jason Koskinen, Paras Koundal, Marek Kowalski, Tetiana Kozynets, Niclas Krieger, Krishnamoorthi Jayakumar, Tanvi Krishnan, Karlijn Kruiswijk, Emmett Krupczak, Anil Kumar, Emma Kun, Naoko Kurahashi, Neha Navnitkumar Lad, Cristina Lagunas Gualda, Louise Lallement Arnaud, Mathieu Lamoureux, Michael J Larson, Frederik Hermann Lauber, Jeffrey Lazar, Kayla Leonard DeHolton, Agnieszka Leszczynska, Jiyuan Liao, Chace Lin, Yitong Liu, Maria Liubarska, Christy Love, Lu Lu, Francesco Lucarelli, William Luszczak, Yang Lyu, Jim Madsen, Else Magnus, Kendall Mahn, Yuya Makino, Elena Manao, Sarah Mancina, Alicia Mand, Ioana Codrina Maris, Szabolcs Marka, Zsuzsa Marka, Lars Marten, Ivan Martinez-Soler, Reina H Maruyama, Jonathan Mauro, Finn Mayhew, Frank McNally, James Vincent Mead, Kevin Meagher, Sarah Mechbal, Andres Medina, Maximilian Meier, Yarno Merckx, Lukas Merten, Justin Mitchell, Logan Molchany, Teresa Montaruli, Roger Moore, Yasutsugu Morii, Anke Mosbrugger, Marjon Moulai, Despina Mousadi, Emile Moyaux, Tista Mukherjee, Richard Naab, Maxwell Nakos, Uwe Naumann, Jannis Necker, Ludwig Neste, Miriam Neumann, Hans Niederhausen, Mehr Un Nisa, Koji Noda, Andreas Noell, Alexander Novikov, Anna Pollmann, Vivian O'Dell, Alex Olivas, Rasmus Orsoe, Jesse Osborn, Erin O'Sullivan, Veronika Palusova, Hershal Pandya, Andrea Parenti, Nahee Park, Victoria Parrish, Ek Narayan Paudel, Larissa Paul, Carlos Pérez de los Heros, Teresa Pernice, Josh Peterson, Matthias Plum, Axel Ponten, Vaidehi Poojyam, Yuriy Popovych, Maria Prado Rodriguez, Brandon Pries, Rachel Procter-Murphy, Gerald Przybylski, Lilly Pyras, Christoph Raab, John Rack-Helleis, Navid Rad, Martin Langgård Ravn, Katherine Rawlins, Zoe Rechav, Abdul Rehman, Ian Reistroffer, Elisa Resconi, Simeon Reusch, Chang Dong Rho, Wolfgang Rhode, Leonardo Ricca, Benedikt Riedel, Adam Rifaie, Ella Roberts, Sally Robertson, Martin Rongen, Aske Rosted, Carsten Rott, Tim Ruhe, Li Ruohan, Dirk Ryckbosch, Daniel Salazar-Gallegos, Pranav Sampathkumar, Alexander Sandrock, Grace Sanger-Johnson, Marcos Santander, Subir Sarkar, Joelle Savelberg, Marco Scarnera, Patrick Schaile, Merlin Schaufel, Harald Schieler, Sebastian Schindler, Lea Schlickmann, Berit Schlüter, Felix Schlüter, Nick Schmeisser, Torsten Schmidt, Frank Schröder, Lisa Schumacher, Sonke Schwirn, Stephen Sclafani, David Seckel, Leo Seen, Mohammad Ful Hossain Seikh, Suruj Seunarine, Per Arne Sevle Myhr, Riya Shah, Shefali Shefali, Shimizu N, Barbara Skrzypek, Robert Snihur, Jan Soedingrekso, Andreas Sogaard, Dennis Soldin, Philipp Soldin, Giacomo Sommani, Christian Spannfellner, Glenn Spiczak, Christian Spiering, Juliana Stachurska, Michael Stamatikos, Todor Stanev, Thorsten Stezelberger, Timo Sturwald, Thomas Stuttard, Greg Sullivan, Ignacio Taboada, Samvel Ter-Antonyan, Andrii Terliuk, Amar Thakuri, Matthias Thiesmeyer, Will Thompson, Jessie Thwaites, Serap Tilav, Kirsten Tollefson, Simona Toscano, Delia Tosi, Alexandra Trettin, Anuj Kumar Upadhyay, Karriem Upshaw, Arun Vaidyanathan, Nora Valtonen-Mattila, Janeth Valverde, Justin Vandenbroucke, Thijs van Eeden, Nick van Eijndhoven, Lene van Rootselaar, Jakob van Santen, Francisco Javier Vara Carbonell, Fahim Varsi, Megha Venugopal, Matthias Vereecken, Sebastian Vergara Carrasco, Stef Verpoest, Doğa Veske, Aishwarya Vijai, Joshua Villarreal, Christian Walck, Andrew Wang, Elizabeth Warrick, Chris Weaver, Philip Weigel, Andreas Weindl, Jan Weldert, Alex Wen, Chris Wendt, Johannes Werthebach, Mark Weyrauch, Nathan Whitehorn, Christopher Wiebusch, Dawn Williams, Lucas Witthaus, Martin Wolf, Gerrit Wrede, Xianwu Xu, Juan Pablo Yanez, Yuhua Yao, Emre Burak Yildizci, Shigeru Yoshida, Robert Young, Felix Yu, Shiqi Yu, Tianlu Yuan, Angela Zegarelli, Shuo Zhang, Zelong Zhang, Pavel Zhelnin, Perri Zilberman

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Search for GeV-scale Dark Matter from the Galactic Center with IceCube-DeepCore

(2025)

Authors:

The IceCube Collaboration, R Abbasi, M Ackermann, J Adams, SK Agarwalla, JA Aguilar, M Ahlers, JM Alameddine, S Ali, NM Amin, K Andeen, C ArgÃ¼elles, Y Ashida, S Athanasiadou, SN Axani, R Babu, X Bai, J Baines-Holmes, A Balagopal V., SW Barwick, S Bash, V Basu, R Bay, JJ Beatty, J Becker Tjus, P Behrens, J Beise, C Bellenghi, B Benkel, S BenZvi, D Berley, E Bernardini, DZ Besson, E Blaufuss, L Bloom, S Blot, I Bodo, F Bontempo, JY Book Motzkin, C Boscolo Meneguolo, S BÃ¶ser, O Botner, J BÃ¶ttcher, J Braun, B Brinson, Z Brisson-Tsavoussis, RT Burley, D Butterfield, MA Campana, K Carloni, J Carpio, S Chattopadhyay, N Chau, Z Chen, D Chirkin, S Choi, BA Clark, A Coleman, P Coleman, GH Collin, DA Coloma Borja, A Connolly, JM Conrad, DF Cowen, C De Clercq, JJ DeLaunay, D Delgado, T Delmeulle, S Deng, P Desiati, KD de Vries, G de Wasseige, T DeYoung, JC DÃaz-VÃ©lez, S DiKerby, T Ding, M Dittmer, A Domi, L Draper, L Dueser, D Durnford, K Dutta, MA DuVernois, T Ehrhardt, L Eidenschink, A Eimer, C Eldridge, P Eller, E Ellinger, D ElsÃ¤sser, R Engel, H Erpenbeck, W Esmail, S Eulig, J Evans, PA Evenson, KL Fan, K Fang, K Farrag, AR Fazely, A Fedynitch, N Feigl, C Finley, L Fischer, D Fox, A Franckowiak, S Fukami, P FÃ¼rst, J Gallagher, E Ganster, A Garcia, M Garcia, G Garg, E Genton, L Gerhardt, A Ghadimi, T GlÃ¼senkamp, JG Gonzalez, S Goswami, A Granados, D Grant, SJ Gray, S Griffin, S Griswold, KM Groth, D Guevel, C GÃ¼nther, P Gutjahr, C Ha, C Haack, A Hallgren, L Halve, F Halzen, L Hamacher, M Ha Minh, M Handt, K Hanson, J Hardin, AA Harnisch, P Hatch, A Haungs, J HÃ¤uÃler, K Helbing, J Hellrung, B Henke, L Hennig, F Henningsen, L Heuermann, R Hewett, N Heyer, S Hickford, A Hidvegi, C Hill, GC Hill, R Hmaid, KD Hoffman, D Hooper, S Hori, K Hoshina, M Hostert, W Hou, M Hrywniak, T Huber, K Hultqvist, K Hymon, A Ishihara, W Iwakiri, M Jacquart, S Jain, O Janik, M Jansson, M Jeong, M Jin, N Kamp, D Kang, W Kang, A Kappes, L Kardum, T Karg, M Karl, A Karle, A Katil, M Kauer, JL Kelley, M Khanal, A Khatee Zathul, A Kheirandish, H Kimku, J Kiryluk, C Klein, SR Klein, Y Kobayashi, A Kochocki, R Koirala, H Kolanoski, T Kontrimas, L KÃ¶pke, C Kopper, DJ Koskinen, P Koundal, M Kowalski, T Kozynets, A Kravka, N Krieger, J Krishnamoorthi, T Krishnan, K Kruiswijk, E Krupczak, A Kumar, E Kun, N Kurahashi, N Lad, C Lagunas Gualda, L Lallement Arnaud, MJ Larson, F Lauber, JP Lazar, K Leonard DeHolton, A LeszczyÅska, C Li, J Liao, C Lin, QR Liu, YT Liu, M Liubarska, C Love, L Lu, F Lucarelli, W Luszczak, Y Lyu, M Macdonald, J Madsen, E Magnus, Y Makino, E Manao, S Mancina, A Mand, IC Mari{Å}, S Marka, Z Marka, L Marten, I Martinez-Soler, R Maruyama, J Mauro, F Mayhew, F McNally, JV Mead, K Meagher, S Mechbal, A Medina, M Meier, Y Merckx, L Merten, J Mitchell, L Molchany, S Mondal, T Montaruli, RW Moore, Y Morii, A Mosbrugger, M Moulai, D Mousadi, E Moyaux, T Mukherjee, R Naab, M Nakos, U Naumann, J Necker, L Neste, M Neumann, H Niederhausen, MU Nisa, K Noda, A Noell, A Novikov, A Obertacke, V O'Dell, A Olivas, R Orsoe, J Osborn, E O'Sullivan, V Palusova, H Pandya, A Parenti, N Park, V Parrish, EN Paudel, L Paul, C PÃ rez de los Heros, T Pernice, TC Petersen, J Peterson, M Plum, A PontÃ©n, V Poojyam, Y Popovych, M Prado Rodriguez, B Pries, R Procter-Murphy, GT Przybylski, L Pyras, C Raab, J Rack-Helleis, N Rad, M Ravn, K Rawlins, Z Rechav, A Rehman, I Reistroffer, E Resconi, S Reusch, CD Rho, W Rhode, L Ricca, B Riedel, A Rifaie, EJ Roberts, M Rongen, A Rosted, C Rott, T Ruhe, L Ruohan, D Ryckbosch, J Saffer, D Salazar-Gallegos, P Sampathkumar, A Sandrock, G Sanger-Johnson, M Santander, S Sarkar, M Scarnera, P Schaile, M Schaufel, H Schieler, S Schindler, L Schlickmann, B SchlÃ¼ter, F SchlÃ¼ter, N Schmeisser, T Schmidt, FG SchrÃ¶der, L Schumacher, S Schwirn, S Sclafani, D Seckel, L Seen, M Seikh, S Seunarine, PA Sevle Myhr, R Shah, S Shah, S Shefali, N Shimizu, B Skrzypek, R Snihur, J Soedingrekso, A SÃ¸gaard, D Soldin, P Soldin, G Sommani, C Spannfellner, GM Spiczak, C Spiering, J Stachurska, M Stamatikos, T Stanev, T Stezelberger, T StÃ¼rwald, T Stuttard, GW Sullivan, I Taboada, S Ter-Antonyan, A Terliuk, A Thakuri, M Thiesmeyer, WG Thompson, J Thwaites, S Tilav, K Tollefson, S Toscano, D Tosi, A Trettin, AK Upadhyay, K Upshaw, A Vaidyanathan, N Valtonen-Mattila, J Valverde, J Vandenbroucke, T Van Eeden, N van Eijndhoven, L Van Rootselaar, J van Santen, J Vara, F Varsi, M Venugopal, M Vereecken, S Vergara Carrasco, S Verpoest, D Veske, A Vijai, J Villarreal, C Walck, A Wang, EHS Warrick, C Weaver, P Weigel, A Weindl, J Weldert, AY Wen, C Wendt, J Werthebach, M Weyrauch, N Whitehorn, CH Wiebusch, DR Williams, L Witthaus, M Wolf, G Wrede, XW Xu, JP Yanez, Y Yao, E Yildizci, S Yoshida, R Young, F Yu, S Yu, T Yuan, S Yun-CÃ¡rcamo, A Zander Jurowitzki, A Zegarelli, S Zhang, Z Zhang, P Zhelnin, P Zilberman

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Prof Subir Sarkar

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Sub department

IceCube

IceCube at Oxford

The LED calibration systems for the mDOM and D-Egg sensor modules of the IceCube Upgrade: Design, production, testing and use in module calibration

Authors:

Abstract:

Limits on GeV-scale WIMP Annihilation in Dwarf Spheroidals with IceCube DeepCore

Authors:

Suppression of pair beam instabilities in a laboratory analogue of blazar pair cascades

Authors:

Abstract:

Spectrum of PeV Cosmic-Ray Protons and Helium Nuclei with IceCube

Authors:

Search for GeV-scale Dark Matter from the Galactic Center with IceCube-DeepCore

Authors:

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Prof Subir Sarkar

Research theme

Sub department

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IceCube

IceCube at Oxford

The LED calibration systems for the mDOM and D-Egg sensor modules of the IceCube Upgrade: Design, production, testing and use in module calibration

Authors:

Abstract:

Limits on GeV-scale WIMP Annihilation in Dwarf Spheroidals with IceCube DeepCore

Authors:

Suppression of pair beam instabilities in a laboratory analogue of blazar pair cascades

Authors:

Abstract:

Spectrum of PeV Cosmic-Ray Protons and Helium Nuclei with IceCube

Authors:

Search for GeV-scale Dark Matter from the Galactic Center with IceCube-DeepCore

Authors: