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1. Remote Reactor Ranging via Antineutrino Oscillations

Author

Wilson, Steve T., Cotsford, Chris, Armitage, James, Appleyard, Tara, Holland, Niamh, Malek, Matthew, and Learned, John. G.

Subjects
High Energy Physics - Experiment (hep-ex), Physics - Instrumentation and Detectors, FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), High Energy Physics - Experiment
Abstract

Antineutrinos from nuclear reactors can be used for monitoring in the mid- to far-field as part of a non-proliferation toolkit. Antineutrinos are an unshieldable signal and carry information about the reactor core and the distance they travel. Using gadolinium-doped water Cherenkov detectors for this purpose has been previously proposed alongside rate-only analyses. As antineutrinos carry information about their distance of travel in their energy spectrum, the analyses can be extended to a spectral analysis to gain more knowledge about the detected core. Two complementary analyses are used to evaluate the distance between a proposed gadolinium-doped water-based liquid scintillator detector and a detected nuclear reactor. Example cases are shown for a detector in Boulby Mine, near the Boulby Underground Laboratory in the UK, and six reactor sites in the UK and France. The analyses both show strong potential to range reactors, but are limited by the detector design., Comment: 12 pages, 9 figures

Published
2023
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2. Interstellar communication. IX. Message decontamination is impossible

Author

Hippke, Michael and Learned, John G.

Subjects
FOS: Physical sciences, Popular Physics (physics.pop-ph), Astrophysics - Instrumentation and Methods for Astrophysics, Physics - Popular Physics, Instrumentation and Methods for Astrophysics (astro-ph.IM)
Abstract

A complex message from space may require the use of computers to display, analyze and understand. Such a message cannot be decontaminated with certainty, and technical risks remain which can pose an existential threat. Complex messages would need to be destroyed in the risk averse case., Comment: 3 pages, comments welcome

Published
2018
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3. Discrete steps in dispersion measures of Fast Radio Bursts

Author

Hippke, Michael, Domainko, Wilfried F., and Learned, John G.

Subjects
High Energy Astrophysical Phenomena (astro-ph.HE), Earth and Planetary Astrophysics (astro-ph.EP), FOS: Physical sciences, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Earth and Planetary Astrophysics
Abstract

Fast Radios Bursts (FRBs) show large dispersion measures (DMs), suggesting an extragalactic location. We analyze the DMs of the 11 known FRBs in detail and identify steps as integer multiples of half the lowest DM found, 187.5cm$^{-3}$ pc, so that DMs occur in groups centered at 375, 562, 750, 937, 1125cm$^{-3}$ pc, with errors observed, Major revision. 4 pages, 5 figures. Added: FRBs tend to arrive at close to the full integer second, like man-made perytons. Comments welcome

Published
2015
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4. A Relational Argument for a $\sim$PeV Neutrino Energy Cutoff

Author

Learned, John G. and Weiler, Thomas J.

Subjects
High Energy Astrophysical Phenomena (astro-ph.HE), High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, High Energy Physics::Experiment, Astrophysics - High Energy Astrophysical Phenomena
Abstract

We present a relationship, E_\nu^{max} = m_{\nu} M_{Planck}/M_{weak}, among the highest observed neutrino energy (~PeV) and the neutrino mass, the weak scale, and the Planck energy. We then discuss some tests of this relationship, and present some theoretical constructs which motivate the relationship. It is possible that all massive particles are subject to maximum energies given by similar relationships, although only the neutrino seems able to offer interesting phenomenology. We discuss implications which include no neutrino detections at energies greater than PeV, and changes in expectations for the highest energy cosmic rays. A virtue of this hypothesis is that it is easily invalidated should neutrinos be observed with energies much great than the PeV scale. An almost inescapable implication is that Lorentz Invariance is a low energy principle, yet it appears that violation may be only observable in high-energy astrophysical neutrinos., Comment: Four pages, including one figure

Published
2014
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5. High Energy Neutrino Physics with Liquid Scintillation Detectors

Author

Learned, John G.

Subjects
High Energy Physics - Experiment (hep-ex), Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, FOS: Physical sciences, High Energy Physics::Experiment, Instrumentation and Detectors (physics.ins-det), High Energy Physics - Experiment
Abstract

Large liquid scintillation detectors have been generally dedicated to low energy neutrino measurements, in the MeV energy region (as for example, KamLAND and Borexino). Herein we describe the potential employment of large detectors (>1 kiloton) for studies of higher energy neutrinos interactions, from the cosmic rays and as a long baseline neutrino detector. Generally when people have considered large new instruments such as Hanohano and LENA, they have abandoned the possibility of doing useful measurements with higher energy neutrino interactions since these produce enough light to illuminate every photomultiplier tube, and the scintillation light is isotropic. Here we take into account Fermat's principle, which tells us that indeed the first light to reach the PMTs will be on or near the lightcone, the "Fermat surface", and that directional track information is available. Moreover we have realized that particle type distinction is possible (quasi-elastic muons from electrons). In fact the resolution from a detector of comparable size to SuperKamiokande, may be better in both angle, energy and possibly particle type. This realization opens the doors to a number of applications. Moreover, this capability can be demonstrated with the use of (future) KamLAND detected events in the new long baseline neutrino beam from the Jaeri accelerator in Japan, due to start operations this year. Some of the most attractive possibilities for the future may be in using Hanohano as a movable long baseline detector in this same beam, the employment of LENA in Europe in future long baseline neutrino beams from CERN, and in the DUSEL underground laboratory at Homestake., 8 pages, 5 figures

Published
2009
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6. The Atmospheric Neutrino Anomaly: Muon Neutrino Disappearance

Author

Learned, John G.

Subjects
High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Astrophysics (astro-ph), FOS: Physical sciences, High Energy Physics::Experiment, Astrophysics, High Energy Physics - Experiment
Abstract

With the 1998 announcement of new evidence for muon neutrino disappearance observed by the Super-Kamiokande experiment, the more than a decade old atmospheric neutrino anomaly moved from a possible indication for neutrino oscillations to an almost inescapable implication. The evidence from all experiments is reviewed, and indications are presented that the oscillations are probably between muon and tau neutrinos with nearly maximal mixing. Implications and future directions in neutrino oscillations research are discussed., Comment: 42 pages including 24 figures, Chapter in Current Aspects of Neutrino Physics

Published
2000
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7. Detecting Tau Neutrino Oscillations at PeV Energies

Author

Learned, John G. and Pakvasa, Sandip

Subjects
High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Astrophysics (astro-ph), FOS: Physical sciences, High Energy Physics::Experiment, Astrophysics, High Energy Physics - Experiment
Abstract

It is suggested that a large deep underocean (or ice) neutrino detector, given the presence of significant numbers of neutrinos in the PeV energy range as predicted by various models of Active Galactic Nuclei, can make unique measurements of the properties of neutrinos. It will be possible to observe the existence of the tau neutrino, measure its mixing with other flavors, in fact test the mixing pattern for all three flavors based upon the mixing parameters suggested by the atmospheric and solar neutrino data, and measure the tau neutrino cross section. The key signature is the charged current tau neutrino interaction, which produces a double cascade, one at either end of a lightly radiating track. At a few PeV these cascades would be separated by roughly 100 m, and thus be easily resolvable in next generation DUMAND-like detectors. First examples might be found in detectors presently under construction. Future applications are precise neutrino astronomy and earth tomography. This paper is an expanded version of hep-ph/9405296, for publication., Comment: 18 pages latex, incl 3 figs, UH-511-799-94

Published
1994
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8. Feasibility Study 2 of A Muon Based Neutrino Source

Author

Ozaki, S., Palmer, R. B., Zisman, M. S., Gallardo, J. C., Goodman, Maury, Hassanein, Ahmed, Norem, James H., Reed, Claude B., Smith, Dale, Teng, Lee C., Wang, Chun-Xi, Anerella, Michael, Berg, J. Scott, Brennan, Joseph M., Fernow, Richard C., Gupta, Ramesh, Harrison, Michael, Hemmer, Michael, Hseuh, Hsiao-C, Iarocci, Michael A., Kahn, Stephen A., King, Bruce J., Kirk, Harold G., Lissauer, David, Littenberg, Laurence S., Luccio, Alfredo, Ludewig, Hans, Marneris, Ioannis M., Mills, James, Morse, William A., Musolino, Stephen V., O Brien, Edward, Oh, Wonho, Parker, Brett, Parsa, Zohreh, Pearson, Charles, Prigl, Ralf, Rehak, Pavel, Roser, Thomas, Ruggiero, Allessandro, Samulyak, Roman, Schmalzle, Jesse D., Simos, Nick, Stumer, Iuliu, Sullivan, Mariola, Tcherniatine, Valeri, Thieberger, Peter, Trbojevic, Dejan, Weggel, Robert, Willen, Erich H., Zhang, Shuo-Yuan, Zhao, Yongxiang, Silvestrov, Gregory I., Skrinsky, Alexander N., Vsevolozhskaya, Tatiana A., Penn, Gregory, Wurtele, Jonathan S., Gunion, John F., Cline, David B., Fukui, Yasuo, Garren, Alper A., Lee, Kevin, Pischalnikov, Yuriy, Autin, Bruno, Garoby, Roland, Haseroth, Helmut, Johnson, Colin, Ravn, Helge, Wilson, Edmund J. N., Hoffman, Kara Dion, Kim, Kwang-Je, Oreglia, Mark, Wah, Yau, Wu, Vincent, Caldwell, Allen C., Conrad, Janet M., Monroe, Jocelyn, Sciulli, Frank, Shaevitz, Michael H., Willis, William J., Geng, Rongli, Padamsee, Hasan, Shemelin, Valery, Tigner, Maury, Hwang, Peter, Naumovich, Gregory, Winn, David R., Ankenbrandt, Charles M., Atac, Muzaffer, Balbekov, Valeri I., Buckley-Geer, Elizabeth J., Carey, David C., Childress, Samuel R., Chou, Weiren, Dejongh, Fritz, Diehl, H. Thomas, Drozhdin, Alexander, Elvira, Daniel, Finley, David A., Geer, Stephen H., Gounder, Krishnaswamy, Johnstone, Carol, Lebrun, Paul, Lebedev, Valeri, Lykken, Joseph D., Mills, Frederick E., Mokhov, Nikolai V., Moretti, Alfred, Neuffer, David V., Ng, King-Yuen, Popovic, Milorad, Qian, Zubao, Raja, Rajendran, Reid, John S., Spentzouris, Panagiotis, Stefanski, Raymond J., Striganov, Sergei, Tollestrup, Alvin, Ginneken, Andreas, Vejcik, Steve, Blondel, Alain, Learned, John G., Pakvasa, Sandip, Ferrario, Massimo, Bogacz, S. Alex, Chattopadhyay, Swapan, Wang, Haipeng, Bolton, T., Kuno, Yoshitaka, Mori, Yoshiharu, Yokoi, Takeichiro, Black, Edgar L., Johnson, Rolland, Kaplan, Daniel M., Solomey, Nickolas, Torun, Yagmur, Errede, Deborah, Makino, Kyoko, Berger, Michael S., Hanson, Gail G., Schwandt, Peter, Ginzburg, Ilya F., Onel, Yasar, Caspi, Shlomo, Corlett, John, Furman, Miguel A., Green, Michael A., Hartman, Neal, Ladran, Anthony S., Li, Derun, Macgill, Robert A., Mcinturff, Alfred D., Reginato, Louis L., Rimmer, Robert, Scanlan, Roland M., Sessler, Andrew M., Shadwick, Brad, Turner, William C., Vanecek, David, Yu, Simon, Zolotorev, Max, Minervini, Joe, Schultz, Joel, Berz, Martin, Erdelyi, Bela, York, Richard, Zeller, Al, Bracker, Stephen B., Cremaldi, Lucien, Summers, Donald Joseph, Miller, John R., Prestemon, Soren, Gerald Charles Blazey, Cummings, Mary Anne, Hedin, David, Schellman, Heidi M., Chesser, J. B., Conner, David L., Gabriel, Tony A., Gallmeier, F. X., Haines, John R., Holtkamp, Norbert, Mcmanamy, T. J., Spampinato, Philip T., Kim, Eun-San, Yoon, Moohyun, Lu, Changguo, Mcdonald, Kirk T., Prebys, Eric J., Rossmanith, Robert, Bennett, J. Roger J., Titus, Peter, Shrock, Robert, Benary, Odette, Barger, Vernon D., and Han, Tao

9. Low energy radioactivity BG model in Super-Kamiokande detector from SK-IV data

Author

S. J. Jenkins, K. Nakamura, M. R. Vagins, M. Taani, J. L. Raaf, John Walker, H. Okazawa, Masaki Ishitsuka, S. Moriyama, A. A. Sztuc, P. Mehta, S. Miki, Masayuki Nakahata, Y. Uchida, I. T. Lim, L. H. V. Anthony, Junjie Jiang, V. Takhistov, Yoshinari Hayato, T. Towstego, M. Jakkapu, J. Y. Kim, Y. Maekawa, Patrick de Perio, Atsushi Takeda, T. Boschi, Yasuhiro Nakajima, J. G. Learned, Shuhei Watanabe, A. K. Ichikawa, T. Yano, Hiroshi Ito, A. T. Suzuki, K. Okamoto, Vincenzo Berardi, J. Kameda, S. Izumiyama, Joanna Zalipska, H. K. Tanaka, L. Cook, A. Coffani, S. Samani, M. G. Catanesi, O. Drapier, M. B. Smy, B. Zaldivar, Y. Takeuchi, J. Migenda, O. Stone, B. Bodur, T. Nakadaira, Takashi Kobayashi, P. Mijakowski, S. Zsoldos, Sonia El Hedri, T. Hasegawa, A. Ali, Katsuki Hiraide, Makoto Miura, K. Nishijima, M. Thiesse, K. Iwamoto, Justyna Lagoda, T. Wester, F. Iacob, Jingyuan Gao, Y. Nagao, A. Minamino, S. Mohan Lakshmi, Lester D.R. Thompson, M. Hartz, L. N. Machado, Kenzo Nakamura, K. Sakashita, W. Ma, T. Matsubara, William R. Kropp, T. Sekiguchi, S. Chen, M. Shinoki, M. Harada, N. McCauley, S. Sakai, M. Posiadala-Zezula, R. Akutsu, Marco Mattiazzi, J. Feng, M. Friend, Yuuki Nakano, K. Abe, Shintaro Ito, M. Malek, N. Piplani, B. W. Pointon, S. Yamamoto, Y. Kanemura, A. Giampaolo, Kate Scholberg, Hiroaki Menjo, N. W. Prouse, C. W. Walter, E. Kearns, David Wark, P. Paganini, Kimihiro Okumura, Takaaki Kajita, C. Vilela, T. Tashiro, FD Lodovico, M. Koshiba, B. D. Xu, Masashi Yokoyama, G.D. Barr, Yasuhiro Takemoto, T. Nakamura, S. Locke, Y. Kataoka, James Hill, M. Inomoto, Intae Yu, R. G. Park, Tatsuya Kikawa, G. D. Megias, Pablo Fernandez, R. Matsumoto, L. Marti, N. Ogawa, G. Pintaudi, David Hadley, Hiroyuki Sekiya, J. S. Jang, Hirokazu Ishino, N. Jeff Griskevich, L. Labarga, Soo-Bong Kim, S. Han, L. Bernard, T. Ishizuka, C. Yanagisawa, Tsuyoshi Nakaya, Y. Fukuda, L. Wan, B. Richards, T. Tsukamoto, K. Yasutome, Marcus O'Flaherty, C. K. Jung, Yuichi Oyama, M. Ikeda, A. Goldsack, N. F. Calabria, S. Nakayama, G. Collazuol, Mark Scott, Masato Shiozawa, R. A. Wendell, L. Ludovici, J. Y. Yang, T. Ishida, K. Martens, S. Mine, K. M. Tsui, Y. Kotsar, Y. Nishimura, Masahiro Kuze, F. Nova, R. Sasaki, A. Konaka, M. Lamoureux, Yusuke Koshio, D. Martin, J. Bian, H. Ozaki, Hussain Kitagawa, B. Jamieson, Natalv Ospina, S. Cao, D. Barrow, John Fraser Martin, A. Takenaka, K. Sato, C. Bronner, M. Gonin, J. Xia, Gianfranca De Rosa, Tatsushi Kinoshita, Yoshihiro Suzuki, Henry W. Sobel, J. McElwee, H. A. Tanaka, E. Radicioni, B. Quilain, M. Mori, Y. Sonoda, S. Sano, Yoshitaka Itow, Takuto Suganuma, G. Pronost, M. J. Wilking, Thomas A. Mueller, Pronost, Guillaume, Abe, Ko, Bronner, Christophe, Hayato, Yoshinari, Hiraide, Katsuki, Ikeda, Motoyasu, Kameda, Jun, Kanemura, Yuki, Kataoka, Yousuku, Miki, Shintaro, Miura, Makoto, Moriyama, Shigetaka, Nagao, Yoshiki, Nakahata, Masayuki, Nakayama, Shoei, Okamoto, Kohei, Sekiya, Hiroyuki, Shiozawa, Masato, Sonoda, Yutaro, Suzuki, Yoichiro, Takeda, Atsushi, Takemoto, Yasuhiro, Takenaka, Akira, Tanaka, Hidekazu, Watanabe, Shuhei, Yano, Takatomi, Han, Seungho, Kajita, Takaaki, Okumura, Kimihiro, Tashiro, Takuya, Xia, Junjie, Megias, Guillermo, Labarga, Lui, Marti, Llui, Zaldivar, Bryan, Pointon, Barry W., Kearns, Edward, Raaf, Jennifer L., Wan, Linyan, Wester, Thoma, Bian, Jianming, Griskevich, N. Jeff, Kropp, William R., Locke, Scott, Mine, Shunichi, Smy, Michael, Sobel, Henry W., Takhistov, Volodymyr, Hill, Jame, Kim, Jae Yool, Lim, In Taek, Park, Ryeong Gyoon, Bodur, Baran, Scholberg, Kate, Walter, Chri, Bernard, Laura, Coffani, Alice, Drapier, Olivier, El Hedri, Sonia, Giampaolo, Alberto, Gonin, Michel, Mueller, Thomas A., Paganini, Pascal, Quilain, Benjamin, Ishizuka, Takeharu, Nakamura, Taku, Jang, Jae Seung, Learned, John G., Cao, Son, Anthony, Lauren H. V., Martin, Daniel, Scott, Mark, Sztuc, Artur A., Uchida, Yoshi, Berardi, Vincenzo, Catanesi, Maria Gabriella, Radicioni, Emilio, Calabria, Nicola F., Machado, Lucas N., De Rosa, Gianfranca, Collazuol, Gianmaria, Iacob, Fabio, Lamoureux, Mathieu, Mattiazzi, Marco, Ospina, Natalv, Ludovici, Lucio, Maekawa, Yuto, Nishimura, Yasuhiro, Friend, Megan, Hasegawa, Takuya, Ishida, Taku, Kobayashi, Takashi, Jakkapu, Mahesh, Matsubara, Tsunayuki, Nakadaira, Takeshi, Nakamura, Kenzo, Oyama, Yuichi, Sakashita, Ken, Sekiguchi, Tetsuro, Tsukamoto, Toshifumi, Boschi, Tommaso, Di Lodovico, Francesca, Gao, Jingyuan, Migenda, Jost, Taani, Mahdi, Zsoldos, Stephane, Nakano, Yuuki, Ozaki, Hironori, Suzuki, Atsumu, Takeuchi, Yasuo, Yamamoto, Shotaro, Kotsar, Yurii, Ali, Ajmi, Feng, Jiahui, Kikawa, Tatsuya, Mori, Masamitsu, Nakaya, Tsuyoshi, Wendell, Roger, Yasutome, Kenji, Fernández, Pablo, Mccauley, Neil, Mehta, Pruthvi, Tsui, Ka Ming, Fukuda, Yoshiyuki, Itow, Yoshitaka, Menjo, Hiroaki, Sato, Kazufumi, Lagoda, Justyna, Lakshmi, S. Mohan, Mijakowski, Piotr, Zalipska, Joanna, Jiang, Junjie, Jung, Chang K., Vilela, Cristovao, Wilking, Michael, Yanagisawa, Chiaki, Harada, Masayuki, Ishino, Hirokazu, Ito, Shintaro, Kitagawa, Hussain, Koshio, Yusuke, Ma, Wenjie, Piplani, Nishtha, Sakai, Seiya, Barr, Gile, Barrow, Danial, Cook, Laurence, Goldsack, Alexander, Samani, Soniya, Wark, David, Nova, Federico, Yang, Jeong Yeol, Jenkins, Sam J., Malek, Matthew, Mcelwee, Jordan, Stone, Owen, Thiesse, Matthew D., Thompson, Lee F., Okazawa, Hiroko, Kim, Soo Bong, Yu, Intae, Ichikawa, Atsuko, Nakamura, Kiseki, Nishijima, Kyoshi, Koshiba, Masatoshi, Iwamoto, Konosuke, Nakajima, Yasuhiro, Ogawa, Natsumi, Yokoyama, Masashi, Martens, Kai, Vagins, Mark, Kuze, Masahiro, Izumiyama, Shota, Inomoto, Michitaka, Ishitsuka, Masaki, Ito, Hiroshi, Kinoshita, Tatsushi, Matsumoto, Ryo, Shinoki, Masataka, Suganuma, Takuto, Martin, John Fraser, Tanaka, Hirohisa, Towstego, Trevor, Akutsu, Ryosuke, de Perio, Patrick, Hartz, Mark, Konaka, Akira, Prouse, Nick, Chen, Shaomin, Xu, Benda D., Posiadala-Zezula, Magdalena, Hadley, David, O'Flaherty, Marcu, Richards, Benjamin, Jamieson, Blair, Walker, John, Minamino, Akihiro, Pintaudi, Ggiorgio, Sano, Shiochi, and Sasaki, Ryota

Subjects
Physics, Physics::Instrumentation and Detectors, Solar neutrino, Physics::Medical Physics, Detector, Water source, chemistry.chemical_element, Radon, Nuclear physics, Low energy, chemistry, High Energy Physics::Experiment, Neutrino, Super-Kamiokande, Solar data
Abstract

The radioactivity background are among the most dangerous background for low energy neutrino analysis in Super-Kamiokande (SK), like the solar neutrino analysis. Among them, the main contribution is coming from $^{222}$Rn, which is spread in the detector's water due to the water source and to the photo multiplier (PMT) emanations. Up to now, its exact distribution in the detector was not known. Using our knowledge of the radon concentration in the detector water, and the SK-IV solar data, we developed a model of the radon distribution in the detector. The uncertainty on the Rn concentration associated with this model was estimated to be $\sim0.1$ mBq/m$^{3}$

Published
2021

10. Follow-up of GWTC-2 gravitational wave events with neutrinos from the Super-Kamiokande detector

Author

Vincenzo Berardi, A. A. Sztuc, M. Thiesse, K. Iwamoto, P. Mehta, M. Koshiba, S. J. Jenkins, M. Taani, R. G. Park, H. Okazawa, Y. Takeuchi, Patrick de Perio, Kimihiro Okumura, K. Martens, S. Han, S. Cao, Thomas A. Mueller, E. Kearns, M. R. Vagins, David Hadley, Henry W. Sobel, Yoshinari Hayato, K. Yasutome, S. Mine, K. M. Tsui, Masashi Yokoyama, T. Towstego, C. Bronner, J. Y. Yang, Yasuhiro Takemoto, O. Drapier, J. McElwee, Gianfranca De Rosa, Makoto Miura, E. Radicioni, M. B. Smy, J. S. Jang, Shuhei Watanabe, A. Konaka, Marco Mattiazzi, David Wark, B. Zaldivar, J. Migenda, M. Lamoureux, T. Ishizuka, M. Friend, S. Zsoldos, B. Bodur, H. A. Tanaka, T. Matsubara, N. W. Prouse, Katsuki Hiraide, Tsuyoshi Nakaya, C. W. Walter, Masaki Ishitsuka, S. Locke, S. Miki, Hirokazu Ishino, J. Feng, Sonia El Hedri, Masahiro Kuze, Yusuke Koshio, John Walker, D. Barrow, S. Mohan Lakshmi, J. L. Raaf, M. Mori, Hiroaki Menjo, Y. Sonoda, F. Nova, S. Sano, R. Sasaki, Marcus O'Flaherty, Takaaki Kajita, Yoshitaka Itow, G. Collazuol, M. Jakkapu, Natalv Ospina, Mark Scott, Y. Nishimura, Hiroyuki Sekiya, Soo-Bong Kim, B. Quilain, James Hill, G. Pronost, M. Inomoto, Y. Fukuda, L. Wan, T. Yano, John Fraser Martin, I. T. Lim, T. Boschi, Y. Maekawa, K. Nakamura, M. J. Wilking, J. Bian, K. Abe, L. Bernard, Y. Nagao, A. Minamino, Tatsushi Kinoshita, S. Izumiyama, C. K. Jung, Hiroshi Ito, N. Jeff Griskevich, P. Paganini, Y. Kanemura, M. Ikeda, A. Giampaolo, Masato Shiozawa, L. Ludovici, B. D. Xu, Yoshihiro Suzuki, S. Moriyama, F. Iacob, M. Shinoki, M. Gonin, J. Xia, L. H. V. Anthony, Masayuki Nakahata, J. G. Learned, R. Matsumoto, Takuto Suganuma, Y. Uchida, A. Ali, Kate Scholberg, Pablo Fernandez, N. McCauley, L. N. Machado, H. K. Tanaka, S. Samani, M. Malek, M. G. Catanesi, Junjie Jiang, William R. Kropp, T. Sekiguchi, M. Harada, S. Chen, Kenzo Nakamura, H. Ozaki, S. Yamamoto, Yuuki Nakano, A. T. Suzuki, K. Okamoto, Hussain Kitagawa, B. Jamieson, G. D. Megias, B. W. Pointon, A. K. Ichikawa, T. Nakadaira, J. Kameda, Lester D.R. Thompson, Yuichi Oyama, V. Takhistov, P. Mijakowski, S. Sakai, T. Hasegawa, Atsushi Takeda, G. Pintaudi, Yasuhiro Nakajima, N. F. Calabria, Joanna Zalipska, K. Sakashita, T. Nakamura, N. Piplani, Intae Yu, N. Ogawa, M. Posiadala-Zezula, C. Yanagisawa, J. Y. Kim, A. Goldsack, S. Nakayama, R. A. Wendell, Y. Kataoka, A. Coffani, O. Stone, Takashi Kobayashi, D. Martin, K. Sato, G.D. Barr, Tatsuya Kikawa, L. Marti, M. Hartz, T. Tashiro, K. Nishijima, T. Wester, Justyna Lagoda, Jingyuan Gao, W. Ma, A. Takenaka, T. Tsukamoto, L. Labarga, T. Ishida, B. Richards, Shintaro Ito, Y. Kotsar, C. Vilela, FD Lodovico, L. Cook, R. Akutsu, Lamoureux, Mathieu, Abe, Ko, Bronner, Christophe, Hayato, Yoshinari, Hiraide, Katsuki, Ikeda, Motoyasu, Kameda, Jun, Kanemura, Yuki, Kataoka, Yousuku, Miki, Shintaro, Miura, Makoto, Moriyama, Shigetaka, Nagao, Yoshiki, Nakahata, Masayuki, Nakayama, Shoei, Okamoto, Kohei, Pronost, Guillaume, Sekiya, Hiroyuki, Shiozawa, Masato, Sonoda, Yutaro, Suzuki, Yoichiro, Takeda, Atsushi, Takemoto, Yasuhiro, Takenaka, Akira, Tanaka, Hidekazu, Watanabe, Shuhei, Yano, Takatomi, Han, Seungho, Kajita, Takaaki, Okumura, Kimihiro, Tashiro, Takuya, Xia, Junjie, Megias, Guillermo, Labarga, Lui, Marti, Llui, Zaldivar, Bryan, Pointon, Barry W., Kearns, Edward, Raaf, Jennifer L., Wan, Linyan, Wester, Thoma, Bian, Jianming, Griskevich, N. Jeff, Kropp, William R., Locke, Scott, Mine, Shunichi, Smy, Michael, Sobel, Henry W., Takhistov, Volodymyr, Hill, Jame, Kim, Jae Yool, Lim, In Taek, Park, Ryeong Gyoon, Bodur, Baran, Scholberg, Kate, Walter, Chri, Bernard, Laura, Coffani, Alice, Drapier, Olivier, El Hedri, Sonia, Giampaolo, Alberto, Gonin, Michel, Mueller, Thomas A., Paganini, Pascal, Quilain, Benjamin, Ishizuka, Takeharu, Nakamura, Taku, Jang, Jae Seung, Learned, John G., Cao, Son, Anthony, Lauren H. V., Martin, Daniel, Scott, Mark, Sztuc, Artur A., Uchida, Yoshi, Berardi, Vincenzo, Catanesi, Maria Gabriella, Radicioni, Emilio, Calabria, Nicola F., Machado, Lucas N., De Rosa, Gianfranca, Collazuol, Gianmaria, Iacob, Fabio, Mattiazzi, Marco, Ospina, Natalv, Ludovici, Lucio, Maekawa, Yuto, Nishimura, Yasuhiro, Friend, Megan, Hasegawa, Takuya, Ishida, Taku, Kobayashi, Takashi, Jakkapu, Mahesh, Matsubara, Tsunayuki, Nakadaira, Takeshi, Nakamura, Kenzo, Oyama, Yuichi, Sakashita, Ken, Sekiguchi, Tetsuro, Tsukamoto, Toshifumi, Boschi, Tommaso, Di Lodovico, Francesca, Gao, Jingyuan, Migenda, Jost, Taani, Mahdi, Zsoldos, Stephane, Nakano, Yuuki, Ozaki, Hironori, Suzuki, Atsumu, Takeuchi, Yasuo, Yamamoto, Shotaro, Kotsar, Yurii, Ali, Ajmi, Feng, Jiahui, Kikawa, Tatsuya, Mori, Masamitsu, Nakaya, Tsuyoshi, Wendell, Roger, Yasutome, Kenji, Fernández, Pablo, Mccauley, Neil, Mehta, Pruthvi, Tsui, Ka Ming, Fukuda, Yoshiyuki, Itow, Yoshitaka, Menjo, Hiroaki, Sato, Kazufumi, Lagoda, Justyna, Lakshmi, S. Mohan, Mijakowski, Piotr, Zalipska, Joanna, Jiang, Junjie, Jung, Chang K., Vilela, Cristovao, Wilking, Michael, Yanagisawa, Chiaki, Harada, Masayuki, Ishino, Hirokazu, Ito, Shintaro, Kitagawa, Hussain, Koshio, Yusuke, Ma, Wenjie, Piplani, Nishtha, Sakai, Seiya, Barr, Gile, Barrow, Danial, Cook, Laurence, Goldsack, Alexander, Samani, Soniya, Wark, David, Nova, Federico, Yang, Jeong Yeol, Jenkins, Sam J., Malek, Matthew, Mcelwee, Jordan, Stone, Owen, Thiesse, Matthew D., Thompson, Lee F., Okazawa, Hiroko, Kim, Soo Bong, Yu, Intae, Ichikawa, Atsuko, Nakamura, Kiseki, Nishijima, Kyoshi, Koshiba, Masatoshi, Iwamoto, Konosuke, Nakajima, Yasuhiro, Ogawa, Natsumi, Yokoyama, Masashi, Martens, Kai, Vagins, Mark, Kuze, Masahiro, Izumiyama, Shota, Inomoto, Michitaka, Ishitsuka, Masaki, Ito, Hiroshi, Kinoshita, Tatsushi, Matsumoto, Ryo, Shinoki, Masataka, Suganuma, Takuto, Martin, John Fraser, Tanaka, Hirohisa, Towstego, Trevor, Akutsu, Ryosuke, de Perio, Patrick, Hartz, Mark, Konaka, Akira, Prouse, Nick, Chen, Shaomin, Xu, Benda D., Posiadala-Zezula, Magdalena, Hadley, David, O'Flaherty, Marcu, Richards, Benjamin, Jamieson, Blair, Walker, John, Minamino, Akihiro, Pintaudi, Ggiorgio, Sano, Shiochi, and Sasaki, Ryota

Subjects
Physics, Particle physics, Gravitational wave, Cherenkov detector, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Detector, Flux, law.invention, law, Time windows, High Energy Physics::Experiment, Total energy, Neutrino, Super-Kamiokande
Abstract

Super-Kamiokande (SK) is a 50-kt water Cherenkov detector, instrumented with $\sim 13$k photo-multipliers and running since 1996. It is sensitive to neutrinos with energies ranging from 4.5 MeV to several TeV. A new framework has been developed for the follow-up of gravitational wave (GW) alerts issued by the LIGO-Virgo collaboration (LVC). Neutrinos are searched for, using a 1000-second time window centered on the alert time and in both SK low-energy and high-energy samples. Such observation can then be used to constrain the neutrino emission from the GW source. The significance of potential signals has been obtained by comparing neutrino direction with the localization of the GW. The computation of limits on incoming neutrino flux and on the total energy emitted in neutrinos by the source has been performed for the different neutrino flavors. The results using the LVC GWTC-2 catalog (covering O3a period) are presented, as well as the outlooks for the future real-time public release of follow-ups for the O4 period (in 2022) and beyond.

Published
2021

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