A Posterior Analysis on IceCube Double Pulse Tau Neutrino Candidates

The IceCube Neutrino Observatory at the South Pole detects Cherenkov light emitted by charged secondary particles created by primary neutrino interactions. Double pulse waveforms can arise from charged current interactions of astrophysical tau neutrinos with nucleons in the ice and the subsequent de...

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Main Authors: IceCube Collaboration, Tian, Wei, Abbasi, Rasha, Ackermann, Markus, Adams, Jenni, Aguilar, Juanan, Ahlers, M., Ahrens, Maryon, Alispach, Cyril Martin, Alves Junior, Antonio Augusto, Amin, Najia Moureen Binte, An, Rui, Andeen, Karen, Anderson, Tyler, Anton, Gisela, Arguelles, Carlos, Ashida, Yosuke, Axani, Spencer, Bai, Xinhua, Balagopal V., Aswathi, Barbano, Anastasia Maria, Barwick, S. W., Bastian, Benjamin, Basu, Vedant, Baur, Sebastian, Bay, R. C., Beatty, J. J., Becker, K.-H., Becker Tjus, Julia, Bellenghi, Chiara, BenZvi, Segev, Berley, D., Bernardini, Elisa, Besson, D. Z., Binder, Gary, Bindig, Daniel, Blaufuss, E., Blot, Summer, Boddenberg, Matthias, Bontempo, Federico, Borowka, Jurgen, Boser, S., Botner, Olga, Bottcher, Jakob, Bourbeau, Etienne, Bradascio, Federica, Braun, J., Bron, Stephanie, Brostean-Kaiser, Jannes, Browne, Sally-Ann, Burgman, Alexander, Burley, Ryan, Busse, Raffaela, Campana, Michael, Carnie-Bronca, Erin, Chen, Chujie, Chirkin, Dmitry, Choi, Koun, Clark, Brian, Clark, Kenneth, Classen, Lew, Coleman, Alan, Collin, Gabriel, Conrad, J. M., Coppin, Paul, Correa, Pablo, Cowen, D. F., Cross, R., Dappen, Christian, Dave, Pranav, Clercq, Catherine De, DeLaunay, James, Dembinski, Hans, Deoskar, Kunal, De Ridder, Sam, Desai, Abhishek, Desiati, Paolo, Vries, Krijn De, Wasseige, Gwenhaël de, De With, Meike, DeYoung, Tyce, Dharani, Sukeerthi, Diaz, Alejandro, Diaz-Velez, Juan Carlos, Dittmer, Markus, Dujmovic, Hrvoje, Dunkman, Matt, DuVernois, Michael, Dvorak, Emily, Ehrhardt, Thomas, Eller, Philipp, Engel, Ralph, Erpenbeck, Hannah, Evans, John, Evenson, P. A., Fan, Kwok Lung, Fazely, A. R., Fiedlschuster, Sebastian, Fienberg, Aaron, Filimonov, Kirill, Finley, Chad, Fischer, Leander, Fox, Derek B., Franckowiak, Anna, Friedman, Elizabeth, Fritz, Alexander, Furst, Philipp, Gaisser, T. K., Gallagher, Jay, Ganster, Erik, Garcia, Alfonso, Garrappa, Simone, Gerhardt, L., Ghadimi, Ava, Glaser, Christian, Glauch, Theo, Glusenkamp, Thorsten, Goldschmidt, A., Gonzalez, Javier, Goswami, Sreetama, Grant, Darren, Grégoire, Timothée, Griswold, Spencer, Gunduz, Mehmet, Günther, Christoph, Haack, Christian, Hallgren, Allan, Halliday, R., Halve, L., Halzen, F., Ha Minh, Martin, Hanson, Kael, Hardin, John, Harnisch, Alexander A., Haungs, Andreas, Hauser, Simon, Hebecker, Dustin, Helbing, K., Henningsen, Felix, Hettinger, Emma C., Hickford, Stephanie, Hignight, Joshua, Hill, Colton, Hill, G. C., Hoffman, Kara, Hoffmann, Ruth, Hoinka, Tobias, Hokanson-Fasig, Benjamin, Hoshina, K., Huang, Feifei, Huber, Matthias, Huber, Thomas, Hultqvist, Klas, Hunnefeld, Mirco, Hussain, Raamis, In, Seongjin, Iovine, Nadège, Ishihara, Aya, Jansson, Matti, Japaridze, George, Jeong, Minjin, Jones, Ben, Kang, Donghwa, Kang, Woosik, Kang, Xinyue, Kappes, Alexander, Kappesser, David, Karg, Timo, Karl, Martina, Karle, A., Katz, U., Kauer, M., Kellermann, Moritz, Kelley, J. L., Kheirandish, Ali, Kin, Ken'ichi, Kintscher, Thomas, Kiryluk, Joanna, Klein, Spencer, Koirala, Ramesh, Kolanoski, Hermann, Kontrimas, Tomas, Kopke, Lutz, Kopper, Claudio, Kopper, Sandro, Koskinen, D. J., Koundal, Paras, Kovacevich, Michael, Kowalski, Marek, Kozynets, Tetiana, Kun, Emma, Kurahashi, Naoko, Lad, Neha, Lagunas Gualda, Cristina, Lanfranchi, Justin, Larson, Michael J., Lauber, Frederik Hermann, Lazar, Jeffrey, Lee, Jiwoong, Leonard, Kayla, Leszczyńska, Agnieszka, Li, Yijia, Lincetto, Massimiliano, Liu, Qinrui, Liubarska, Maria, Lohfink, Elisa, Lozano Mariscal, Cristian Jesus, Lu, Lu, Lucarelli, Francesco, Ludwig, Andrew, Luszczak, William, Lyu, Yang, Ma, Wing Yan, Madsen, James, Mahn, Kendall, Makino, Yuya, Mancina, Sarah, Maris, Ioana Codrina, Maruyama, Reina H., Mase, K., McElroy, Thomas, McNally, Frank, Mead, James Vincent, Meagher, K., Medina, Andres, Meier, Maximilian, Meighen-Berger, Stephan, Micallef, Jessie, Mockler, Daniela, Montaruli, Teresa, Moore, Roger, Morse, R., Moulai, Marjon, Naab, Richard, Nagai, Ryo, Naumann, Uwe, Necker, Jannis, Nguyen, Le Viet, Niederhausen, Hans, Nisa, Mehr, Nowicki, Sarah, Nygren, Dave, Obertacke Pollmann, Anna, Oehler, Marie, Olivas, A., O'Sullivan, Erin, Pandya, Hershal, Pankova, Daria, Park, Nahee, Parker, Grant, Paudel, Ek Narayan, Paul, Larissa, Perez de los Heros, Carlos, Peters, Lilly, Peterson, Josh, Philippen, Saskia, Pieloth, Damian, Pieper, Sarah, Pittermann, Martin, Pizzuto, A., Plum, M., Popovych, Yuiry, Porcelli, Alessio, Prado Rodriguez, Maria, Price, P. Buford, Pries, Brandom, Przybylski, Gerald, Raab, Christoph, Raissi, Amirreza, Rameez, Mohamed, Rawlins, K., Rea, Immacolata Carmen, Rehman, Abdul, Reichherzer, Patrick, Reimann, René, Renzi, Giovanni, Resconi, Elisa, Reusch, Simeon, Rhode, Wolfgang, Richman, Mike, Riedel, Benedikt, Roberts, Ella, Robertson, Sally, Roellinghoff, Gerrit, Rongen, Martin, Rott, Carsten, Ruhe, Tim, Ryckbosch, Dirk, Rysewyk Cantu, Devyn, Safa, Ibrahim, Saffer, Julian, Sanchez Herrera, Sebastian, Sandrock, Alexander, Sandroos, Joakim, Santander, Marcos, Sarkar, Subir, Sarkar, Sourav, Satalecka, Konstancja, Scharf, Maximilian Karl, Schaufel, Merlin, Schieler, Harald, Schindler, Sebastian, Schlunder, P., Schmidt, Torsten, Schneider, Austin, Schneider, Judith, Schröder, Frank G., Schumacher, Lisa Johanna, Schwefer, Georg, Sclafani, Steve, Seckel, D., Seunarine, Surujhdeo, Sharma, Ankur, Shefali, Shefali, Silva, Manuel, Skrzypek, Barbara, Smithers, Ben, Snihur, Robert, Soedingrekso, Jan, Soldin, Dennis, Spannfellner, Christian, Spiczak, Glenn, Spiering, Christian, Stachurska, Juliana, Stamatikos, Michael, Stanev, T., Stein, Robert, Stettner, Joeran, Steuer, A., Stezelberger, T., Sturwald, Timo, Stuttard, Thomas, Sullivan, G. W., Taboada, I., Tenholt, Frederik, Ter-Antonyan, Samvel, Tilav, S., Tischbein, Franziska, Tollefson, Kirsten, Tomankova, Lenka, Tönnis, Christoph, Toscano, Simona, Tosi, Delia, Trettin, Alexander, Tselengidou, Maria, Tung, Chunfai, Turcati, Andrea, Turcotte, Roxanne, Turley, Colin, Twagirayezu, Jean Pierre, Ty, Bunheng, Unland Elorrieta, Martin, Valtonen-Mattila, Nora, Vandenbroucke, Justin, Eijndhoven, Nick Van, Vannerom, David, Santen, Jakob Van, Verpoest, Stef, Vraeghe, Matthias, Walck, C., Watson, Timothyblake, Weaver, Chris, Weigel, Philip, Weindl, Andreas, Weiss, Matthew, Weldert, Jan, Wendt, Chris, Werthebach, Johannes, Weyrauch, Mark, Whitehorn, Nathan, Wiebusch, C. H., Williams, Dawn, Wolf, Martin, Woschnagg, Kurt, Wrede, Gerrit, Wulff, Johan, Xu, Xianwu, Xu, Yiqian, Yanez, Juan Pablo, Yoshida, S., Yu, Shiqi, Yuan, Tianlu, Zhang, Zelong, Zhang, Fuyudi, Xu, Donglian
Format: Article in Journal/Newspaper
Language:English
Published: Scuola Internazionale Superiore di Studi Avanzati 2021
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Online Access:https://publikationen.bibliothek.kit.edu/1000138618
https://publikationen.bibliothek.kit.edu/1000138618/128491993
https://doi.org/10.5445/IR/1000138618
Description
Summary:The IceCube Neutrino Observatory at the South Pole detects Cherenkov light emitted by charged secondary particles created by primary neutrino interactions. Double pulse waveforms can arise from charged current interactions of astrophysical tau neutrinos with nucleons in the ice and the subsequent decay of tau leptons. The previous 8-year tau double pulse analysis found three tau neutrino candidate events. Among them, the most promising one observed in 2014 is located very near the dust layer in the middle of the detector. A posterior analysis on this event will be presented in this paper, using a new ice model treatment with continuously varying nuisance parameters to do the targeted Monte Carlo re-simulation for tau and other background neutrino ensembles. The impact of different ice models on the expected signal and background statistics will also be discussed.