Accelerator Neutrinos

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A Convolutional Neural Network for Multiple Particle Identification in the MicroBooNE Liquid Argon Time Projection Chamber

(2020)

Authors:

MicroBooNE collaboration, P Abratenko, M Alrashed, R An, J Anthony, J Asaadi, A Ashkenazi, S Balasubramanian, B Baller, C Barnes, G Barr, V Basque, L Bathe-Peters, O Benevides Rodrigues, S Berkman, A Bhanderi, A Bhat, M Bishai, A Blake, T Bolton, L Camilleri, D Caratelli, I Caro Terrazas, R Castillo Fernandez, F Cavanna, G Cerati, Y Chen, E Church, D Cianci, JM Conrad, M Convery, L Cooper-Troendle, JI Crespo-Anadon, M Del Tutto, S Dennis, D Devitt, R Diurba, L Domine, R Dorrill, K Duffy, S Dytman, B Eberly, A Ereditato, L Escudero Sanchez, JJ Evans, GA Fiorentini Aguirre, RS Fitzpatrick, BT Fleming, N Foppiani, D Franco, AP Furmanski, D Garcia-Gamez, S Gardiner, G Ge, S Gollapinni, O Goodwin, E Gramellini, P Green, H Greenlee, W Gu, R Guenette, P Guzowski, L Hagaman, E Hall, P Hamilton, O Hen, GA Horton-Smith, A Hourlier, R Itay, C James, J Jan de Vries, X Ji, L Jiang, JH Jo, RA Johnson, YJ Jwa, N Kamp, N Kaneshige, G Karagiorgi, W Ketchum, B Kirby, M Kirby, T Kobilarcik, I Kreslo, R LaZur, I Lepetic, K Li, Y Li, BR Littlejohn, D Lorca, WC Louis, X Luo, A Marchionni, C Mariani, D Marsden, J Marshall, J Martin-Albo, DA Martinez Caicedo, K Mason, A Mastbaum, N McConkey, V Meddage, T Mettler, K Miller, J Mills, K Mistry, T Mohayai, A Mogan, J Moon, M Mooney, AF Moor, CD Moore, L Mora Lepin, J Mousseau, M Murphy, D Naples, A Navrer-Agasson, RK Neely, P Nienaber, J Nowak, O Palamara, V Paolone, A Papadopoulou, V Papavassiliou, SF Pate, A Paudel, Z Pavlovic, E Piasetzky, I Ponce-Pinto, D Porzio, S Prince, X Qian, JL Raaf, V Radeka, A Rafique, M Reggiani-Guzzo, L Ren, L Rochester, J Rodriguez Rondon, HE Rogers, M Rosenberg, M Ross-Lonergan, B Russell, G Scanavini, DW Schmitz, A Schukraft, W Seligman, MH Shaevitz, R Sharankova, J Sinclair, A Smith, EL Snider, M Soderberg, S Soldner-Rembold, SR Soleti, P Spentzouris, J Spitz, M Stancari, J St John, T Strauss, K Sutton, S Sword-Fehlberg, AM Szelc, N Tagg, W Tang, K Terao, C Thorpe, M Toups, Y-T Tsai, MA Uchida, T Usher, W Van De Pontseele, B Viren, M Weber, H Wei, Z Williams, S Wolbers, T Wongjirad, M Wospakrik, W Wu, E Yandel, T Yang, G Yarbrough, LE Yates, GP Zeller, J Zennamo, C Zhang
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Search for new phenomena in final states with large jet multiplicities and missing transverse momentum using (√s)=13 TeV proton−proton collisions recorded by ATLAS in Run 2 of the LHC

Journal of High Energy Physics Springer 2020 (2020) 62

Abstract:

Results of a search for new particles decaying into eight or more jets and moderate missing transverse momentum are presented. The analysis uses 139 fb−1 of proton-proton collision data at 𝑠√ = 13 TeV collected by the ATLAS experiment at the Large Hadron Collider between 2015 and 2018. The selection rejects events containing isolated electrons or muons, and makes requirements according to the number of b-tagged jets and the scalar sum of masses of large-radius jets. The search extends previous analyses both in using a larger dataset and by employing improved jet and missing transverse momentum reconstruction methods which more cleanly separate signal from background processes. No evidence for physics beyond the Standard Model is found. The results are interpreted in the context of supersymmetry-inspired simplified models, significantly extending the limits on the gluino mass in those models. In particular, limits on the gluino mass are set at 2 TeV when the lightest neutralino is nearly massless in a model assuming a two-step cascade decay via the lightest chargino and second-lightest neutralino.
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Measurement of Differential Cross Sections for $\nu_\mu$-Ar Charged-Current Interactions with Protons and no Pions in the Final State with the MicroBooNE Detector

(2020)

Authors:

MicroBooNE collaboration, P Abratenko, M Alrashed, R An, J Anthony, J Asaadi, A Ashkenazi, S Balasubramanian, B Baller, C Barnes, G Barr, V Basque, L Bathe-Peters, O Benevides Rodrigues, S Berkman, A Bhanderi, A Bhat, M Bishai, A Blake, T Bolton, L Camilleri, D Caratelli, I Caro Terrazas, R Castillo Fernandez, F Cavanna, G Cerati, Y Chen, E Church, D Cianci, JM Conrad, M Convery, L Cooper-Troendle, JI Crespo-Anadon, M Del Tutto, D Devitt, R Diurba, L Domine, R Dorrill, K Duffy, S Dytman, B Eberly, A Ereditato, L Escudero Sanchez, JJ Evans, GA Fiorentini Aguirre, RS Fitzpatrick, BT Fleming, N Foppiani, D Franco, AP Furmanski, D Garcia-Gamez, S Gardiner, G Ge, S Gollapinni, O Goodwin, E Gramellini, P Green, H Greenlee, W Gu, R Guenette, P Guzowski, E Hall, P Hamilton, O Hen, GA Horton-Smith, A Hourlier, EC Huang, R Itay, C James, J Jan de Vries, X Ji, L Jiang, JH Jo, RA Johnson, YJ Jwa, N Kamp, G Karagiorgi, W Ketchum, B Kirby, M Kirby, T Kobilarcik, I Kreslo, R LaZur, I Lepetic, K Li, Y Li, A Lister, BR Littlejohn, D Lorca, WC Louis, X Luo, A Marchionni, S Marcocci, C Mariani, D Marsden, J Marshall, J Martin-Albo, DA Martinez Caicedo, K Mason, A Mastbaum, N McConkey, V Meddage, T Mettler, K Miller, J Mills, K Mistry, T Mohayai, A Mogan, J Moon, M Mooney, AF Moor, CD Moore, J Mousseau, M Murphy, D Naples, A Navrer-Agasson, RK Neely, P Nienaber, J Nowak, O Palamara, V Paolone, A Papadopoulou, V Papavassiliou, SF Pate, A Paudel, Z Pavlovic, E Piasetzky, I Ponce-Pinto, D Porzio, S Prince, X Qian, JL Raaf, V Radeka, A Rafique, M Reggiani-Guzzo, L Ren, L Rochester, J Rodriguez Rondon, HE Rogers, M Rosenberg, M Ross-Lonergan, B Russell, G Scanavini, DW Schmitz, A Schukraft, MH Shaevitz, R Sharankova, J Sinclair, A Smith, EL Snider, M Soderberg, S Soldner-Rembold, SR Soleti, P Spentzouris, J Spitz, M Stancari, J St John, T Strauss, K Sutton, S Sword-Fehlberg, AM Szelc, N Tagg, W Tang, K Terao, C Thorpe, M Toups, Y-T Tsai, S Tufanli, MA Uchida, T Usher, W Van De Pontseele, B Viren, M Weber, H Wei, Z Williams, S Wolbers, T Wongjirad, M Wospakrik, W Wu, T Yang, G Yarbrough, LE Yates, GP Zeller, J Zennamo, C Zhang
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Indirect search for dark matter from the Galactic Center and halo with the Super-Kamiokande detector

Physical Review D American Physical Society (APS) 102:7 (2020) 072002

Authors:

K Abe, C Bronner, Y Haga, Y Hayato, M Ikeda, S Imaizumi, H Ito, K Iyogi, J Kameda, Y Kataoka, Y Kato, Y Kishimoto, Ll Marti, M Miura, S Moriyama, T Mochizuki, Y Nagao, M Nakahata, Y Nakajima, T Nakajima, S Nakayama, T Okada, K Okamoto, A Orii, G Pronost, H Sekiya, M Shiozawa, Y Sonoda, A Takeda, A Takenaka, H Tanaka, S Tasaka, T Tomura, K Ueno, T Yano, T Yokozawa, R Akutsu, S Han, T Irvine, T Kajita, I Kametani, KP Lee, T McLachlan, K Okumura, E Richard, T Tashiro, R Wang, J Xia, D Bravo-Berguño, L Labarga, P Fernandez, FDM Blaszczyk, J Gustafson, C Kachulis, E Kearns, JL Raaf, JL Stone, LR Sulak, S Sussman, L Wan, T Wester, S Berkman, S Tobayama, J Bian, G Carminati, M Elnimr, NJ Griskevich, WR Kropp, S Locke, S Mine, A Renshaw, MB Smy, HW Sobel, V Takhistov, P Weatherly, BL Hartfiel, J Hill, WE Keig, N Hong, JY Kim, IT Lim, RG Park, T Akiri, B Bodur, A Himmel, Z Li, E O’Sullivan, K Scholberg, CW Walter, T Wongjirad, A Coffani, O Drapier, S El Hedri, A Giampaolo, M Gonin, J Imber, Th A Mueller, P Paganini, B Quilain, T Ishizuka, T Nakamura, JS Jang, K Choi, JG Learned, S Matsuno, SN Smith, J Amey, LHV Anthony, RP Litchfield, W Y., AA Sztuc, Y Uchida, MO Wascko, V Berardi, MG Catanesi, RA Intonti, E Radicioni, NF Calabria, LN Machado, G De Rosa, G Collazuol, F Iacob, M Lamoureux, N Ospina, L Ludovici, T Boschi, F Di Lodovico, S Molina Sedgwick, S Zsoldos, Y Nishimura, S Cao, M Friend, T Hasegawa, T Ishida, T Ishii, T Kobayashi, T Nakadaira, K Nakamura, Y Oyama, K Sakashita, T Sekiguchi, T Tsukamoto, KE Abe, M Hasegawa, Y Isobe, H Miyabe, Y Nakano, T Shiozawa, T Sugimoto, AT Suzuki, Y Takeuchi, S Yamamoto, A Ali, Y Ashida, T Hayashino, T Hiraki, S Hirota, K Huang, K Ieki, M Jiang, T Kikawa, M Mori, A Murakami, KE Nakamura, T Nakaya, ND Patel, K Suzuki, S Takahashi, K Tateishi, RA Wendell, N McCauley, P Mehta, A Pritchard, KM Tsui, Y Fukuda, Y Itow, H Menjo, G Mitsuka, M Murase, F Muto, T Niwa, K Sato, T Suzuki, M Taani, M Tsukada, P Mijakowski, K Frankiewicz, J Hignight, CK Jung, X Li, JL Palomino, G Santucci, C Vilela, MJ Wilking, C Yanagisawa, D Fukuda, K Hagiwara, M Harada, T Horai, H Ishino, S Ito, T Kayano, A Kibayashi, Y Koshio, W Ma, T Mori, H Nagata, N Piplani, M Sakuda, S Seiya, Y Takahira, C Xu, R Yamaguchi, Y Kuno, G Barr, D Barrow, L Cook, C Simpson, D Wark, F Nova, R Tacik, JY Yang, A Cole, SJ Jenkins, J McElwee, M Thiesse, L Thompson, H Okazawa, SB Kim, Y Choi, K Ito, K Nishijima, K Iwamoto, M Koshiba, Y Suda, M Yokoyama, RG Calland, A Goldsack, K Martens, M Murdoch, Y Suzuki, MR Vagins, D Hamabe, M Kuze, Y Okajima, M Tanaka, T Yoshida, M Inomoto, M Ishitsuka, R Matsumoto, K Ohta, M Shinoki, JF Martin, CM Nantais, HA Tanaka, T Towstego, M Hartz, A Konaka, P de Perio, NW Prouse, S Chen, BD Xu, Y Zhang, B Richards, K Connolly, RJ Wilkes, B Jamieson, J Walker, P Giorgio, A Minamino, K Okamoto, G Pintaudi
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Measurement of the charged-current electron (anti-)neutrino inclusive cross-sections at the T2K off-axis near detector ND280

Journal of High Energy Physics 2020:10 (2020) 114

Authors:

K Abe, N Akhlaq, R Akutsu, A Ali, C Alt, C Andreopoulos, L Anthony, M Antonova, S Aoki, A Ariga, T Arihara, Y Asada, Y Ashida, Et Atkin, Y Awataguchi, S Ban, M Barbi, Gj Barker, G Barr, D Barrow, C Barry, M Batkiewicz-Kwasniak, A Beloshapkin, F Bench, V Berardi, L Berns, S Bhadra, S Bienstock, A Blondel, S Bolognesi, T Bonus, B Bourguille, Sb Boyd, D Brailsford, A Bravar, D Bravo Berguño, C Bronner, S Bron, A Bubak, M Buizza Avanzini, J Calcutt, T Campbell, S Cao, Sl Cartwright, Mg Catanesi, A Cervera, A Chappell, C Checchia, D Cherdack, N Chikuma

Abstract:

© 2020, The Author(s). The electron (anti-)neutrino component of the T2K neutrino beam constitutes the largest background in the measurement of electron (anti-)neutrino appearance at the far detector. The electron neutrino scattering is measured directly with the T2K off-axis near detector, ND280. The selection of the electron (anti-)neutrino events in the plastic scintillator target from both neutrino and anti-neutrino mode beams is discussed in this paper. The flux integrated single differential charged-current inclusive electron (anti-)neutrino cross-sections, dσ/dp and dσ/d cos(θ), and the total cross-sections in a limited phase-space in momentum and scattering angle (p > 300 MeV/c and θ ≤ 45°) are measured using a binned maximum likelihood fit and compared to the neutrino Monte Carlo generator predictions, resulting in good agreement.
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