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1. Search for neutrino-induced neutral current Δ radiative decay in MicroBooNE and a first test of the MiniBooNE low energy excess under a single-photon hypothesis

Author

P, Abratenko, R, An, J, Anthony, L, Arellano, 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, J Y, Book, L, Camilleri, D, Caratelli, I, Caro Terrazas, R, Castillo Fernandez, F, Cavanna, G, Cerati, Y, Chen, D, Cianci, J M, Conrad, M, Convery, L, Cooper-Troendle, J I, Crespo-Anadón, M, Del Tutto, S R, Dennis, P, Detje, A, Devitt, R, Diurba, R, Dorrill, K, Duffy, S, Dytman, B, Eberly, A, Ereditato, J J, Evans, R, Fine, G A, Fiorentini Aguirre, R S, Fitzpatrick, B T, Fleming, N, Foppiani, D, Franco, A P, 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, O, Hen, C, Hilgenberg, G A, Horton-Smith, A, Hourlier, R, Itay, C, James, X, Ji, L, Jiang, J H, Jo, R A, Johnson, Y-J, Jwa, D, Kalra, N, Kamp, N, Kaneshige, G, Karagiorgi, W, Ketchum, M, Kirby, T, Kobilarcik, I, Kreslo, R, LaZur, I, Lepetic, K, Li, Y, Li, K, Lin, B R, Littlejohn, W C, Louis, X, Luo, K, Manivannan, C, Mariani, D, Marsden, J, Marshall, D A, Martinez Caicedo, K, Mason, A, Mastbaum, N, McConkey, V, Meddage, T, Mettler, K, Miller, J, Mills, K, Mistry, A, Mogan, T, Mohayai, J, Moon, M, Mooney, A F, Moor, C D, Moore, L, Mora Lepin, J, Mousseau, M, Murphy, R, Murrells, D, Naples, A, Navrer-Agasson, M, Nebot-Guinot, R K, Neely, D A, Newmark, J, Nowak, M, Nunes, O, Palamara, V, Paolone, A, Papadopoulou, V, Papavassiliou, S F, Pate, N, Patel, A, Paudel, Z, Pavlovic, E, Piasetzky, I D, Ponce-Pinto, S, Prince, X, Qian, J L, Raaf, V, Radeka, A, Rafique, M, Reggiani-Guzzo, L, Ren, L C J, Rice, L, Rochester, J, Rodriguez Rondon, M, Rosenberg, M, Ross-Lonergan, G, Scanavini, D W, Schmitz, A, Schukraft, W, Seligman, M H, Shaevitz, R, Sharankova, J, Shi, J, Sinclair, A, Smith, E L, Snider, M, Soderberg, S, Söldner-Rembold, P, Spentzouris, J, Spitz, M, Stancari, J St, John, T, Strauss, K, Sutton, S, Sword-Fehlberg, A M, Szelc, W, Tang, K, Terao, C, Thorpe, D, Totani, M, Toups, Y-T, Tsai, M A, Uchida, T, Usher, W, Van De Pontseele, B, Viren, M, Weber, H, Wei, Z, Williams, S, Wolbers, T, Wongjirad, M, Wospakrik, K, Wresilo, N, Wright, W, Wu, E, Yandel, T, Yang, G, Yarbrough, L E, Yates, H W, Yu, G P, Zeller, J, Zennamo, and C, Zhang

Abstract

We report results from a search for neutrino-induced neutral current (NC) resonant Δ(1232) baryon production followed by Δ radiative decay, with a ⟨0.8⟩ GeV neutrino beam. Data corresponding to MicroBooNE’s first three years of operations (6.80×1020 protons on target) are used to select single-photon events with one or zero protons and without charged leptons in the final state (1γ1p and 1γ0p, respectively). The background is constrained via an in situ high-purity measurement of NC π0 events, made possible via dedicated 2γ1p and 2γ0p selections. A total of 16 and 153 events are observed for the 1γ1p and 1γ0p selections, respectively, compared to a constrained background prediction of 20.5±3.65(syst) and 145.1±13.8(syst) events. The data lead to a bound on an anomalous enhancement of the normalization of NC Δ radiative decay of less than 2.3 times the predicted nominal rate for this process at the 90% confidence level (C.L.). The measurement disfavors a candidate photon interpretation of the MiniBooNE low-energy excess as a factor of 3.18 times the nominal NC Δ radiative decay rate at the 94.8% C.L., in favor of the nominal prediction, and represents a greater than 50-fold improvement over the world’s best limit on single-photon production in NC interactions in the sub-GeV neutrino energy range.

Published
2022

2. Search for a Higgs Portal Scalar Decaying to Electron-Positron Pairs in the MicroBooNE Detector

Author

M. A. Uchida, A. F. Moor, G. Scanavini, J. Anthony, Xiaohui Qian, H. Y. Wei, M. Wospakrik, I. Ponce-Pinto, C. D. Moore, P. Guzowski, R. Itay, R. LaZur, J. Spitz, G. Karagiorgi, B. R. Littlejohn, G. P. Zeller, T. Mettler, John Marshall, K. Lin, H. Siegel, K. Mistry, N. Kamp, Michael T. Murphy, S. Gollapinni, G. Yarbrough, T. Wongjirad, J. Zennamo, N. Wright, J. Asaadi, R. Sharankova, J. Shi, Kate C. Miller, D. Franco, M. Reggiani-Guzzo, L. C. J. Rice, D. Marsden, R. Diurba, A. Mastbaum, A. Schukraft, X. Luo, M. Rosenberg, Veljko Radeka, W. Van De Pontseele, Xiaolu Ji, A. Bhanderi, S. Sword-Fehlberg, M. Soderberg, Z. Pavlovic, N. Kaneshige, B.T. Fleming, E. Gramellini, M. Stancari, S. Söldner-Rembold, Y.-T. Tsai, M. E. Convery, T. Kobilarcik, W. Q. Gu, R. An, J. A. Nowak, D. Naples, M. Del Tutto, K. Wresilo, R. S. Fitzpatrick, D. Cianci, G. Ge, Thomas Strauss, R. Dorrill, V. Meddage, Kazuhiro Terao, A. Paudel, K. Mason, E. Piasetzky, R. Guenette, S. Dennis, E. Yandel, N. Foppiani, D. Garcia-Gamez, R. Fine, O. Goodwin, Giuseppe Benedetto Cerati, I. Lepetic, M. Ross-Lonergan, C. Mariani, S. F. Pate, P. Abratenko, Janet Conrad, Andrew Blake, C. Thorpe, L. Jiang, G. A. Fiorentini Aguirre, J. Y. Book, Antonio Ereditato, S. Balasubramanian, H. Greenlee, A. Hourlier, F. Cavanna, W. Ketchum, M. Kirby, T. Yang, J. L. Raaf, V. Basque, A. P. Furmanski, J. Mills, Yichen Li, K. Sutton, S. Wolbers, Yi Chen, T. Usher, B. Baller, L. Rochester, D. Devitt, Wei Wu, A. Navrer-Agasson, William Tang, L. Hagaman, C. James, B. Eberly, Panagiotis Spentzouris, V. Papavassiliou, M. Mooney, A. M. Szelc, Or Hen, C. Zhang, D. A. Martinez Caicedo, L. Bathe-Peters, W. G. Seligman, L.E. Yates, L. Ren, M. Toups, Steven Gardiner, E. D. Hall, J. Moon, J. Rodriguez Rondon, W. C. Louis, T. A. Bolton, L. Camilleri, J. Sinclair, B. Viren, J. I. Crespo-Anadón, Z. Williams, S. Berkman, S. A. Dytman, C. Barnes, K. E. Duffy, A. Rafique, J. Mousseau, D. W. Schmitz, O. Benevides Rodrigues, D. Totani, Marc Weber, T. A. Mohayai, S. Prince, M. Bishai, L. Mora Lepin, G. A. Horton-Smith, N. Tagg, J. H. Jo, J. St. John, R. Castillo Fernandez, Ornella Palamara, R. A. Johnson, K. Manivannan, L. Cooper-Troendle, G.D. Barr, K. Li, D. Caratelli, E.L. Snider, M. Nunes, Avi Ashkenazi, M. H. Shaevitz, I. Caro Terrazas, N. McConkey, Andrew Smith, I. Kreslo, A. Mogan, R. K. Neely, Afroditi Papadopoulou, V. Paolone, Patrick Green, Y.-J. Jwa, John Evans, A. Bhat, H. E. Rogers, and MicroBooNE Collaboration

Subjects
Particle physics, Physics::Instrumentation and Detectors, 530 Physics, Scalar (mathematics), Hadron, General Physics and Astronomy, FOS: Physical sciences, Context (language use), 7. Clean energy, 01 natural sciences, NuMI, Standard Model, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), 0103 physical sciences, Fermilab, 010306 general physics, QC, Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Scalar boson, 3. Good health, High Energy Physics - Phenomenology, Higgs boson, Physics::Accelerator Physics, High Energy Physics::Experiment
Abstract

This document was prepared by the MicroBooNE collaboration using the resources of the Fermi National Accelerator Laboratory (Fermilab), a U.S. Department of Energy, Office of Science, HEP User Facility. Fermilab is managed by Fermi Research Alliance, LLC (FRA), acting under Contract No. DE-AC02-07CH11359. MicroBooNE is supported by the following: the U.S. Department of Energy, Office of Science, Offices of High Energy Physics and Nuclear Physics; the U.S. National Science Foundation; the Swiss National Science Foundation; the Science and Technology Facilities Council (STFC), part of the United Kingdom Research and Innovation; and The Royal Society (United Kingdom). Additional support for the laser calibration system and cosmic ray tagger was provided by the Albert Einstein Center for Fundamental Physics, Bern, Switzerland. Participation of individual researchers in this project is supported by funds from the European Unions Horizon 2020 Research and Innovation Programme under the Marie SklodowskaCurie Grant Agreement No. 752309. We thank Brian Batell, Joshua Berger, and Ahmed Ismail for outlining the search strategy., We present a search for the decays of a neutral scalar boson produced by kaons decaying at rest, in the context of the Higgs portal model, using the MicroBooNE detector. We analyze data triggered in time with the Fermilab NuMI neutrino beam spill, with an exposure of 1.93 x 10(20) protons on target. We look for monoenergetic scalars that come from the direction of the NuMI hadron absorber, at a distance of 100 m from the detector, and decay to electron-positron pairs. We observe one candidate event, with a standard model background prediction of 1.9 +/- 0.8. We set an upper limit on the scalar-Higgs mixing angle of theta < (3.3 - 4.6) x 10(-4) at the 95% confidence level for scalar boson masses in the range (100-200) MeV/c(2). We exclude, at the 95% confidence level, the remaining model parameters required to explain the central value of a possible excess of K-L(0) -> pi(0)nu(nu) over bar decays reported by the KOTO collaboration. We also provide a model-independent limit on a new boson X produced in K -> pi X decays and decaying to e(+)e(-)., Fermi Research Alliance, LLC (FRA) DE-AC02-07CH11359, United States Department of Energy (DOE), National Science Foundation (NSF), Swiss National Science Foundation (SNSF), European Commission, Science and Technology Facilities Council (STFC), part of the United Kingdom Research and Innovation, Royal Society of London, Albert Einstein Center for Fundamental Physics, Bern, Switzerland, SKA South Africa 752309

Published
2021

3. Neutrino interaction classification with a convolutional neural network in the DUNE far detector

Author

R.A. Rameika, J. Perry, M. Kirby, E. Zhivun, K. Zeug, R. LaZur, Marzio Nessi, D. Lorca, R. M. Berner, Sandip Pakvasa, J. J. De Vries, S. Shafaq, Jonas Rademacker, G. P. Zeller, R. Guenette, A. Hourlier, A. McNab, G. Vasseur, C. Petta, C. Grant, A. Olivares Del Campo, Joshua R. Klein, Vasundhara Singh, D. M. DeMuth, A. Chatterjee, P. Debbins, Paola Sala, G. Mandrioli, John G. Learned, S. Kohn, F. Drielsma, Joshua Barrow, John Marshall, Janice L. Thompson, F. Kamiya, E. Motuk, E. Gamberini, B. J. P. Jones, L. Di Giulio, J. Martin-Albo, E. Bechetoille, Gustaaf Brooijmans, K. Moffat, L.S. Rochester, T. L. Usher, R. Staley, Bo Yu, A. V. Waldron, Gabriella Carini, M. Dabrowski, Francesco Gonnella, C. Vilela, B. Zamorano, Warner A. Miller, Wladyslaw Henryk Trzaska, A. M. Gago, R. Diurba, N. Bostan, J. Spitz, M. Pozzato, Y. Cui, P. A. Rodrigues, J. D. Eisch, F. Cavanna, Sofia Vallecorsa, K. E. Duffy, Danny Marfatia, E. Segreto, Xin Qian, T. A. Mohayai, C. J. Solano Salinas, David Delepine, M. Gold, A. Borkum, N. McConkey, Stephen P. Gent, Andrew Smith, M. Manrique Plata, G. Christodoulou, S. Calvez, Juraj Bracinik, Sukalyan Chattopadhyay, Laura Dominé, A. Scarff, R. Northrop, R. Van Berg, B. Paulos, E. McCluskey, T. Patzak, G. Brunetti, J. Moon, P. E. L. Clarke, C. Palomares, A. Weinstein, A. Muir, E. Ewart, N. Gallice, Wei Wu, S. Gollapinni, M. Spanu, Xiaolu Ji, J. Chaves, G. Sirri, Evgueni Goudzovski, H. Mendez, Y.-J. Jwa, Hui Wang, V. Bellini, C. Alt, B. Abi, C. Wilkinson, M. Greenwood, Julián Félix, D. MacFarland, K. Gollwitzer, A. M. Szelc, Gareth J. Barker, F. Bay, H.E. Rogers, G. Zhu, S. Centro, S. Henry, M. B. Smy, J. Migenda, A. Sitraka, L. Bagby, J. M. LoSecco, F. Varanini, J. Stock, G. Yang, I. Kreslo, V. A. Kudryavtsev, M. A. Hernandez Morquecho, J. Bian, Yasaman Farzan, A. de Gouvea, Jürgen Pozimski, Andrea Dell'Acqua, A. Higuera, Yu. Onishchuk, T. Hamernik, Z. Tsamalaidze, Diana Navas-Nicolas, S. Jiménez, R. Zwaska, C. A. Ternes, Andrea Zani, T. Miedema, J. Fried, Paul Keener, Leigh H. Whitehead, N. Simos, R. B. Patterson, J. G. Boissevain, A. Laundrie, Mafalda Dias, I. Kadenko, L. Da Silva Peres, A. Karcher, A. Verdugo, R. Raboanary, P. Schlabach, C. Lastoria, D. Naples, Kazuhiro Terao, A. Paudel, L. V. Gomez Bermeo, H. O. Back, Andrew White, W. Metcalf, M. J. Dolinski, Yu. Kudenko, D. Gratieri, J. R. T. de Mello Neto, Raj Gandhi, F. Andrianala, F. Tortorici, Konstantinos Manolopoulos, L. Corwin, A. Lister, A. Delbart, A. Christensen, Chia-Chan Chang, Y. Penichot, M. Masud, S. Berkman, S. Magill, André Rubbia, C. Barnes, A. S. Hesam, D. Waters, D. Ruterbories, S. H. Kettell, M. Bongrand, J. Smolik, A. Bitadze, Yichen Li, L. Molina Bueno, G. Prior, M. Bonesini, K. Francis, J. Fowler, S. J. M. Peeters, Antonino Sergi, S. L. Mufson, M. Eads, R. Flight, R. Gran, Thorsten Lux, W. Ketchum, Karol Hennessy, S. Söldner-Rembold, C. S. Lin, T. Wongjirad, A. Gallego-Ros, Rakesh Kumar, N. Buchanan, S. Alonso Monsalve, Michael Mulhearn, N. J. C. Spooner, G. Ge, Alexander Tapper, S. B. Boyd, F. Muheim, P. Cotte, T. Hill, Ralf Lehnert, J.V. Dawson, S. Biagi, Christopher J. Milne, G. A. Valdiviesso, S. Sacerdoti, N. Solomey, Laura Manenti, A. Joglekar, K. Cho, E. Pantic, N. Moggi, M. Roda, A. Aranda-Fernandez, Kim Siyeon, X. Luo, A. Booth, Thomas Strauss, J. Calcutt, K. Warburton, M. Nalbandyan, Claire Shepherd-Themistocleous, James Stewart, N.V. Mokhov, H. Vieira de Souza, I. Lomidze, A. Radovic, S. Ravat, W. Mu, D. Autiero, Poonam Mehta, K. S. McFarland, C. T. Macias, N. Mauri, A. Lawrence, J. Urheim, S. Narita, J. Heise, R. Sipos, F. F. Wilson, Nektarios Benekos, Jianbei Liu, Renato Potenza, C. Cattadori, T. Stokes, Timothy M. Shaw, D. Braga, L. Li, F. Piastra, L. W. Koerner, C. Girerd, D. Montanari, Giorgio Riccobene, P. N. Ratoff, S. Di Domizio, T. Kutter, M. C. Goodman, D. C. Christian, J. Ahmed, M. Soderberg, G. Meng, A. C. Weber, Dario Gnani, E. Brianne, T. A. Bolton, J. Greer, Y. T. Tsai, L. Camilleri, S. Nagu, J. A. Maloney, Z. Vallari, J. Sensenig, G. Karagiorgi, A. Rappoldi, L. O. Arnold, V. Paolone, V. Pec, J. J. Russell, J. Pillow, S. Vergani, W. C. Griffith, H. R. Gallagher, M. H. Shaevitz, N. Barros, I. Caro Terrazas, R. Itay, L. Zazueta, Alexander Deisting, B. Rebel, M. Toups, Joleen Pater, Narendra Sahu, S. Gao, A. Marchionni, David H. Adams, M. E. Convery, F. Diaz, R. Hatcher, Marco Adinolfi, M. Chalifour, Haleh Khani Hadavand, B. Tapia Oregui, T. Yang, F. Marinho, M. Zhao, F. Cavalier, Chao Zhang, N. Nayak, M. V. Diwan, D. J. Payne, C. Gotti, R. Cross, T. Wachala, S. Gwon, Barry King, R. Mazza, Keith Rielage, J. Wang, Simon Lin, K. Wood, M. O. Wascko, B. Stillwell, A. Lambert, V. Basque, K. Mason, A. Holin, Randall P. Johnson, C. Castromonte, S. Li, D. Vanegas Forero, S. Emery, J. Marteau, D. A. Harris, H. da Motta, I. L. De Icaza Astiz, Giovanni Bellettini, C. Montanari, E. Conley, B. Howard, S. Fuess, D. A. Dwyer, E. Cristaldo, H. Razafinime, M. Biassoni, Alessandro Montanari, J. J. Evans, Paolo Calafiura, S. Prince, J. Haiston, Q. David, N. Dokania, E. D. Zimmerman, P. De Lurgio, R. Milincic, M. A. Leigui de Oliveira, A. Olivier, E. T. Worcester, T. J. Langford, L. Pickering, E. Hazen, D. Smargianaki, Christopher L. Marshall, Katsuya Yonehara, A. Sousa, A. L. Renshaw, S. Manly, P. Hamilton, S. Kasai, Mingshui Chen, K. Koehler, Christopher Brew, Pavel Snopok, Z. Ahmad, J. Maricic, Jason Kumar, D. Cherdack, Y. Rigaut, H. Carranza, Milos Lokajicek, A. P. Furmanski, P.T. Smith, George Adamov, Mario Campanelli, C. Distefano, Ornella Palamara, H. S. Budd, T. E. Coan, B. Radics, Olga Mena, K. Nishimura, C. Vignoli, Marc Weber, M. Kordosky, S. Andringa, K. Kothekar, Burak Bilki, W. Flanagan, L. Stanco, D. Brailsford, R. Howell, J. A. Musser, R. G. Van de Water, L. S. Gomez Fajardo, Jane Nachtman, S. Striganov, Srubabati Goswami, Z. Williams, Yi Chen, M. Hostert, Laura Paulucci, Y. A. Ramachers, D. A. Martinez Caicedo, R. M. de Almeida, Yasar Onel, A. M. Teklu, D. Mladenov, E. Blucher, S. Childress, C. Brizzolari, C. McGrew, V. Papadimitriou, J. Hoff, T. Miao, A. Stuart, P. Vahle, G. A. Horton-Smith, L. Pasqualini, C. Jesús-Valls, I. K. Furic, John Matthews, Aldo Penzo, Andrew Blake, A. Mislivec, L. Jiang, R. S. Fitzpatrick, G.L. Raselli, A. Scarpelli, A. C. Kaboth, T. Vrba, Piera Sapienza, M. Shamma, N. P. Samios, M. A. Arroyave, C. Andreopoulos, F. Terranova, D. Newhart, E. Raguzin, A. J. Roeth, R. Acciarri, L. C. J. Rice, Karol Lang, Simon Jones, S. Bolognesi, J. A. Nowak, B. Morgan, L. Patrizii, A. F. Moor, M. Potekhin, D. Duchesneau, N. Kazaryan, V. J. Guarino, R. Bajou, B. Carlus, D. Boyden, C. Cuesta, O. G. Miranda, C. Patrick, L. Rakotondravohitra, A. Izmaylov, Matthew Mewes, J. Trevor, José W. F. Valle, L. Montaño Zetina, M. Tenti, A. Rafique, Kendall Mahn, Jorge Molina, S. Tufanli, Ara Ioannisian, H. T. Rakotondramanana, X. Pons, Kam-Biu Luk, A. Caminata, K. Qi, Deywis Moreno, A. Heavey, M. Bhattacharjee, J. A. B. Coelho, J. K. Nelson, Grzegorz Deptuch, J. L. Bazo Alba, Amelia Maio, Giuseppe Benedetto Cerati, H. Duyang, H. Meyer, A. Schukraft, E. Kemp, T. Loew, R. J. Nichol, P. Ding, D. J. Summers, M. Worcester, L. Cremonesi, M. Sorel, F. Sergiampietri, Rex Tayloe, J. C. Freeman, Kaushik De, M. J. Rodriguez Alonso, J. Zuklin, I. Rakhno, J. R. Macier, Jeremy Wolcott, M. A. Acero, F. Barao, S. P. Kasetti, C. Mossey, R. Nandakumar, W. C. Louis, A. Surdo, K. Vaziri, Dave Sankey, K. Negishi, J. Asaadi, E. Valencia, F. Azfar, T. Lord, E. James, J. Nesbit, J. Bremer, Kate Scholberg, M. R. While, Pedro A. N. Machado, T. Alion, Gregory Iles, A. Friedland, Roberto Gutiérrez, Z. Ghorbani-Moghaddam, G. Lehmann Miotto, K. M. Heeger, C. S. Mishra, Vlastimil Kus, O. Gogota, A. Tonazzo, M. Karolak, J. Pinzino, H. Muramatsu, Z. Pavlovic, M. P. Andrews, M. Vermeulen, A. Guglielmi, J. Berger, Rukmani Mohanta, S. Murphy, C. Kuruppu, F. Bento Neves, S. Pordes, P. Weatherly, Andrew Norman, James John Brooke, M. Wallbank, Alessandro Menegolli, G. Testera, Janet Conrad, M. Newcomer, M. D. Messier, B. Szczerbinska, C. Backhouse, Stephen J. Parke, D. Franco, M. Soares Nunes, A. Maddalena, M. Antonova, T. Le, L. Hertel, T. Boschi, H. Y. Wei, Stephen Hillier, R. Gandrajula, Ina Sarcevic, Eric W. Hoppe, Manuel Alejandro Segura Delgado, V. A. Kostelecký, F. Ferraro, S. Green, Andrew Brandt, J. L. Raaf, J. Singh, H. Y. Liao, V. N. Solovov, K. Spurgeon, F. García-Carballeira, J. Freestone, D. Rivera, Alan Watson, K. Mavrokoridis, M. Tzanov, S. Santana, C. Mariani, M. J. Wilking, G. Barenboim, Carlos Escobar, J. Vasel, D. Redondo, S. R. Mishra, J. A. Gonzalez-Cuevas, R. K. Plunkett, R. A. Gomes, E. Gramellini, C. E. Lane, P. Bernardini, H. A. Tanaka, D. Gibin, M. Stancari, Ihn Sik Seong, B. Kirby, A. Bross, S. Menary, P. C. de Holanda, D. Warner, O. Dvornikov, C. E. Thorn, Filippo Resnati, L. Suter, L. Kashur, A. Scaramelli, C. M. Sutera, T. Kosc, K. K. Loo, O. V. Mineev, M. Bishai, K. Lande, H. Berns, R. J. Wilson, E. Smith, William J. Marciano, C. Bromberg, C. Hohl, L. M. Cremaldi, Matthew L Strait, P. Guzowski, R. Haenni, T. Young, F. Jediny, E. Granados, B. Behera, B. V. K. S. Potukuchi, P. Lasorak, Alastair Grant, Marco Verzocchi, Orlando L. G. Peres, J. S. Díaz, P. Novella, Y. Wang, Marcelo M. Guzzo, A. K. Giri, M. Torti, M. Tortola, B. Jargowsky, T. R. Junk, R. Dharmapalan, Shiroman Prakash, Seodong Shin, M. Santos-Maldonado, Cari L. Johnson, N. Poonthottathil, S. J. Patton, T. Schaffer, K. Grzelak, E. Church, C. Wret, Christian Farnese, Akitaka Ariga, Marvin L Marshak, G. S. Varner, M. Rai, A. Chiriacescu, T. Rehak, A. Papanestis, A. Aurisano, A. Norrick, N. Martinez, L. Greenler, B. Guo, Frank Filthaut, J. Reichenbacher, S. Ventura, Riccardo Papaleo, J. J. Back, D. Shooltz, Zelimir Djurcic, Alessandro Thea, P. Fernandez Menendez, J. Han, C. Y. Chi, M. Groh, Y. Bezawada, V. P. Luzio, F. Spagliardi, F. D. M. Blaszczyk, D. Pershey, Lina Necib, Enrique Fernandez-Martinez, J. S. Real, P. Baesso, H. Steiner, S. Lockwitz, G. Sinev, Massimo Rossella, S. Tariq, Gregory J Pawloski, T. Prakash, Arsen Khvedelidze, A.S. Dyshkant, M. Reggiani-Guzzo, M. Á. García-Peris, M. Kabirnezhad, Pierre Baldi, M. Mooney, E. Tyley, A. Hahn, M. P. Decowski, V. Galymov, E. Chardonnet, J. Franc, B. R. Littlejohn, B. Russell, M. Vagins, Jordan Ott, Niki Saoulidou, M. Oberling, E. Mazzucato, C. David, A. Mann, L. Fields, J. Sinclair, J. I. Crespo-Anadón, C. J. Densham, D. W. Schmitz, H. Schellman, Stefan Antusch, Z. Parsa, M. A. Uchida, H. W. Sobel, M. A. Ramirez Delgado, S. J. Brice, Nicolas Lurkin, A. A. Machado, R. Petti, Jaroslaw Pasternak, W. Gu, S. Bertolucci, A. Mazzacane, Patrick Dunne, M. C. Sanchez, A. N. Khotjantsev, N. Tsverava, F. Bonini, Marco Pallavicini, G. Savage, L. Wood, J. Soto-Oton, C. Sarasty, G. Pessina, O. Goodwin, K. K. Guthikonda, Y. Karyotakis, Artur M. Ankowski, D. Edmunds, T. Safford, E. Tatar, Utku Kose, D. Vargas, F. Pietropaolo, T. Hasegawa, J. Mills, Irina Mocioiu, C. N. Booth, L. Zambelli, S. Rescia, A. M. Iliescu, Andrés Castillo, Alex Reynolds, K. Biery, V. Aushev, D. A. Sanders, John F. Beacom, J. Zalesak, J. Barranco Monarca, Carl Grace, M. Muether, S. Roy, L. Pagani, Steven Gardiner, P. Madigan, J. Rodriguez Rondon, Alec Habig, A. Mastbaum, D. Douglas, Daniel Gastler, David Cussans, S. Matsuno, P. Green, B. Viren, J. Mousseau, Matthaeus Leitner, K. Fahey, Bindu A. Bambah, S. Dennis, P. P. Koller, D. Whittington, D. Garcia-Gamez, Sudarshan Paramesvaran, D. Belver, S. Zucchelli, S. Davini, R. L. Talaga, M. Wetstein, M. M. Khabibullin, D. Wenman, S. C. Timm, R. Sharma, R. Saakyan, B. Ramson, R. Zaki, Kenneth Long, V. Zutshi, Sandeep Miryala, Enrique Calvo, V. Radeka, H. S. Chen, C. Touramanis, J. M. Paley, Antonio Ereditato, N. Yershov, Alexandru Jipa, Olga Beltramello, J. T. Haigh, B. Gelli, Gregory J. Michna, F. Stocker, T. Gamble, J. J. Grudzinski, I. 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Rout, P. de Jong, B. T. Fleming, R. Poling, J. Hartnell, Robert Shrock, J. Zennamo, A. De Roeck, M. Calin, M. Mellinato, Shu Li, Kristian Harder, J. Hewes, Sandro Palestini, M. Parvu, James A. Anderson, G. S. Davies, I. De Bonis, L. Di Noto, W. E. Sondheim, Nikolina Ilic, C. E. Tull, K. Soustruznik, M. Leyton, J. Hugon, K. V. Tsang, J. Maneira, Abi, B., Acciarri, R., Acero, M. A., Adamov, G., Adams, D., Adinolfi, M., Ahmad, Z., Ahmed, J., Alion, T., Alonso Monsalve, S., Alt, C., Anderson, J., Andreopoulos, C., Andrews, M. P., Andrianala, F., Andringa, S., Ankowski, A., Antonova, M., Antusch, S., Aranda-Fernandez, A., Ariga, A., Arnold, L. O., Arroyave, M. A., Asaadi, J., Aurisano, A., Aushev, V., Autiero, D., Azfar, F., Back, H., Back, J. J., Backhouse, C., Baesso, P., Bagby, L., Bajou, R., Balasubramanian, S., Baldi, P., Bambah, B., Barao, F., Barenboim, G., Barker, G. J., Barkhouse, W., Barnes, C., Barr, G., Barranco Monarca, J., Barros, N., Barrow, J. L., Bashyal, A., Basque, V., Bay, F., Bazo Alba, J. L., Beacom, J. F., Bechetoille, E., Behera, B., Bellantoni, L., Bellettini, G., Bellini, V., Beltramello, O., Belver, D., Benekos, N., Bento Neves, F., Berger, J., Berkman, S., Bernardini, P., Berner, R. M., Berns, H., Bertolucci, S., Betancourt, M., Bezawada, Y., Bhattacharjee, M., Bhuyan, B., Biagi, S., Bian, J., Biassoni, M., Biery, K., Bilki, B., Bishai, M., Bitadze, A., Blake, A., Blanco Siffert, B., Blaszczyk, F. D. M., Blazey, G. C., Blucher, E., Boissevain, J., Bolognesi, S., Bolton, T., Bonesini, M., Bongrand, M., Bonini, F., Booth, A., Booth, C., Bordoni, S., Borkum, A., Boschi, T., Bostan, N., Bour, P., Boyd, S. B., Boyden, D., Bracinik, J., Braga, D., Brailsford, D., Brandt, A., Bremer, J., Brew, C., Brianne, E., Brice, S. J., Brizzolari, C., Bromberg, C., Brooijmans, G., Brooke, J., Bross, A., Brunetti, G., Buchanan, N., Budd, H., Caiulo, D., Calafiura, P., Calcutt, J., Calin, M., Calvez, S., Calvo, E., Camilleri, L., Caminata, A., Campanelli, M., Caratelli, D., Carini, G., Carlus, B., Carniti, P., Caro Terrazas, I., Carranza, H., Castillo, A., Castromonte, C., Cattadori, C., Cavalier, F., Cavanna, F., Centro, S., Cerati, G., Cervelli, A., Cervera Villanueva, A., Chalifour, M., Chang, C., Chardonnet, E., Chatterjee, A., Chattopadhyay, S., Chaves, J., Chen, H., Chen, M., Chen, Y., Cherdack, D., Chi, C., Childress, S., Chiriacescu, A., Cho, K., Choubey, S., Christensen, A., Christian, D., Christodoulou, G., Church, E., Clarke, P., Coan, T. E., Cocco, A. G., Coelho, J. A. B., Conley, E., Conrad, J. M., Convery, M., Corwin, L., Cotte, P., Cremaldi, L., Cremonesi, L., Crespo-Anadon, J. 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C., Fahey, K., Falcone, A., Farnese, C., Farzan, Y., Felix, J., Fernandez-Martinez, E., Fernandez Menendez, P., Ferraro, F., Fields, L., Filkins, A., Filthaut, F., Fitzpatrick, R. S., Flanagan, W., Fleming, B., Flight, R., Fowler, J., Fox, W., Franc, J., Francis, K., Franco, D., Freeman, J., Freestone, J., Fried, J., Friedland, A., Fuess, S., Furic, I., Furmanski, A. P., Gago, A., Gallagher, H., Gallego-Ros, A., Gallice, N., Galymov, V., Gamberini, E., Gamble, T., Gandhi, R., Gandrajula, R., Gao, S., Garcia-Carballeira, F., Garcia-Gamez, D., Garcia-Peris, M. A., Gardiner, S., Gastler, D., Ge, G., Gelli, B., Gendotti, A., Gent, S., Ghorbani-Moghaddam, Z., Gibin, D., Gil-Botella, I., Girerd, C., Giri, A. K., Gnani, D., Gogota, O., Gold, M., Gollapinni, S., Gollwitzer, K., Gomes, R. A., Gomez Bermeo, L. V., Gomez Fajardo, L. S., Gonnella, F., Gonzalez-Cuevas, J. A., Goodman, M. C., Goodwin, O., Goswami, S., Gotti, C., Goudzovski, E., Grace, C., Graham, M., Gramellini, E., Gran, R., Granados, E., Grant, A., Grant, C., Gratieri, D., Green, P., Green, S., Greenler, L., Greenwood, M., Greer, J., Griffith, W. C., Groh, M., Grudzinski, J., Grzelak, K., Gu, W., Guarino, V., Guenette, R., Guglielmi, A., Guo, B., Guthikonda, K. K., Gutierrez, R., Guzowski, P., Guzzo, M. M., Gwon, S., Habig, A., Hackenburg, A., Hadavand, H., Haenni, R., Hahn, A., Haigh, J., Haiston, J., Hamernik, T., Hamilton, P., Han, J., Harder, K., Harris, D. A., Hartnell, J., Hasegawa, T., Hatcher, R., Hazen, E., Heavey, A., Heeger, K. M., Heise, J., Hennessy, K., Henry, S., Hernandez Morquecho, M. A., Herner, K., Hertel, L., Hesam, A. S., Hewes, J., Higuera, A., Hill, T., Hillier, S. J., Himmel, A., Hoff, J., Hohl, C., Holin, A., Hoppe, E., Horton-Smith, G. A., Hostert, M., Hourlier, A., Howard, B., Howell, R., Huang, J., Hugon, J., Iles, G., Ilic, N., Iliescu, A. M., Illingworth, R., Ioannisian, A., Itay, R., Izmaylov, A., James, E., Jargowsky, B., Jediny, F., Jesus-Valls, C., Ji, X., Jiang, L., Jimenez, S., Jipa, A., Joglekar, A., Johnson, C., Johnson, R., Jones, B., Jones, S., Jung, C. K., Junk, T., Jwa, Y., Kabirnezhad, M., Kaboth, A., Kadenko, I., Kamiya, F., Karagiorgi, G., Karcher, A., Karolak, M., Karyotakis, Y., Kasai, S., Kasetti, S. P., Kashur, L., Kazaryan, N., Kearns, E., Keener, P., Kelly, K. J., Kemp, E., Ketchum, W., Kettell, S. H., Khabibullin, M., Khotjantsev, A., Khvedelidze, A., Kim, D., King, B., Kirby, B., Kirby, M., Klein, J., Koehler, K., Koerner, L. W., Kohn, S., Koller, P. P., Kordosky, M., Kosc, T., Kose, U., Kostelecky, V. A., Kothekar, K., Krennrich, F., Kreslo, I., Kudenko, Y., Kudryavtsev, V. A., Kulagin, S., Kumar, J., Kumar, R., Kuruppu, C., Kus, V., Kutter, T., Lambert, A., Lande, K., Lane, C. E., Lang, K., Langford, T., Lasorak, P., Last, D., Lastoria, C., Laundrie, A., Lawrence, A., Lazanu, I., Lazur, R., Le, T., Learned, J., Lebrun, P., Lehmann Miotto, G., Lehnert, R., Leigui De Oliveira, M. A., Leitner, M., Leyton, M., Li, L., Li, S., Li, S. W., Li, T., Li, Y., Liao, H., Lin, C. S., Lin, S., Lister, A., Littlejohn, B. R., Liu, J., Lockwitz, S., Loew, T., Lokajicek, M., Lomidze, I., Long, K., Loo, K., Lorca, D., Lord, T., Losecco, J. M., Louis, W. C., Luk, K. B., Luo, X., Lurkin, N., Lux, T., Luzio, V. P., Macfarland, D., Machado, A. A., Machado, P., Macias, C. T., Macier, J. R., Maddalena, A., Madigan, P., Magill, S., Mahn, K., Maio, A., Maloney, J. A., Mandrioli, G., Maneira, J., Manenti, L., Manly, S., Mann, A., Manolopoulos, K., Manrique Plata, M., Marchionni, A., Marciano, W., Marfatia, D., Mariani, C., Maricic, J., Marinho, F., Marino, A. D., Marshak, M., Marshall, C., Marshall, J., Marteau, J., Martin-Albo, J., Martinez, N., Martinez Caicedo, D. A., Martynenko, S., Mason, K., Mastbaum, A., Masud, M., Matsuno, S., Matthews, J., Mauger, C., Mauri, N., Mavrokoridis, K., Mazza, R., Mazzacane, A., Mazzucato, E., Mccluskey, E., Mcconkey, N., Mcfarland, K. S., Mcgrew, C., Mcnab, A., Mefodiev, A., Mehta, P., Melas, P., Mellinato, M., Mena, O., Menary, S., Mendez, H., Menegolli, A., Meng, G., Messier, M. D., Metcalf, W., Mewes, M., Meyer, H., Miao, T., Michna, G., Miedema, T., Migenda, J., Milincic, R., Miller, W., Mills, J., Milne, C., Mineev, O., Miranda, O. G., Miryala, S., Mishra, C. S., Mishra, S. R., Mislivec, A., Mladenov, D., Mocioiu, I., Moffat, K., Moggi, N., Mohanta, R., Mohayai, T. A., Mokhov, N., Molina, J., Molina Bueno, L., Montanari, A., Montanari, C., Montanari, D., Montano Zetina, L. M., Moon, J., Mooney, M., Moor, A., Moreno, D., Morgan, B., Morris, C., Mossey, C., Motuk, E., Moura, C. A., Mousseau, J., Mu, W., Mualem, L., Mueller, J., Muether, M., Mufson, S., Muheim, F., Muir, A., Mulhearn, M., Muramatsu, H., Murphy, S., Musser, J., Nachtman, J., Nagu, S., Nalbandyan, M., Nandakumar, R., Naples, D., Narita, S., Navas-Nicolas, D., Nayak, N., Nebot-Guinot, M., Necib, L., Negishi, K., Nelson, J. K., Nesbit, J., Nessi, M., Newbold, D., Newcomer, M., Newhart, D., Nichol, R., Niner, E., Nishimura, K., Norman, A., Norrick, A., Northrop, R., Novella, P., Nowak, J. A., Oberling, M., Olivares Del Campo, A., Olivier, A., Onel, Y., Onishchuk, Y., Ott, J., Pagani, L., Pakvasa, S., Palamara, O., Palestini, S., Paley, J. M., Pallavicini, M., Palomares, C., Pantic, E., Paolone, V., Papadimitriou, V., Papaleo, R., Papanestis, A., Paramesvaran, S., Parke, S., Parsa, Z., Parvu, M., Pascoli, S., Pasqualini, L., Pasternak, J., Pater, J., Patrick, C., Patrizii, L., Patterson, R. B., Patton, S. J., Patzak, T., Paudel, A., Paulos, B., Paulucci, L., Pavlovic, Z., Pawloski, G., Payne, D., Pec, V., Peeters, S. J. M., Penichot, Y., Pennacchio, E., Penzo, A., Peres, O. L. G., Perry, J., Pershey, D., Pessina, G., Petrillo, G., Petta, C., Petti, R., Piastra, F., Pickering, L., Pietropaolo, F., Pillow, J., Pinzino, J., Plunkett, R., Poling, R., Pons, X., Poonthottathil, N., Pordes, S., Potekhin, M., Potenza, R., Potukuchi, B. V. K. S., Pozimski, J., Pozzato, M., Prakash, S., Prakash, T., Prince, S., Prior, G., Pugnere, D., Qi, K., Qian, X., Raaf, J. L., Raboanary, R., Radeka, V., Rademacker, J., Radics, B., Radovic, A., Rafique, A., Raguzin, E., Rai, M., Rajaoalisoa, M., Rakhno, I., Rakotondramanana, H. T., Rakotondravohitra, L., Ramachers, Y. A., Rameika, R., Ramirez Delgado, M. A., Ramson, B., Rappoldi, A., Raselli, G., Ratoff, P., Ravat, S., Razafinime, H., Real, J. S., Rebel, B., Redondo, D., Reggiani-Guzzo, M., Rehak, T., Reichenbacher, J., Reitzner, S. D., Renshaw, A., Rescia, S., Resnati, F., Reynolds, A., Riccobene, G., Rice, L. C. J., Rielage, K., Rigaut, Y., Rivera, D., Rochester, L., Roda, M., Rodrigues, P., Rodriguez Alonso, M. J., Rodriguez Rondon, J., Roeth, A. J., Rogers, H., Rosauro-Alcaraz, S., Rossella, M., Rout, J., Roy, S., Rubbia, A., Rubbia, C., Russell, B., Russell, J., Ruterbories, D., Saakyan, R., Sacerdoti, S., Safford, T., Sahu, N., Sala, P., Samios, N., Sanchez, M. C., Sanders, D. A., Sankey, D., Santana, S., Santos-Maldonado, M., Saoulidou, N., Sapienza, P., Sarasty, C., Sarcevic, I., Savage, G., Savinov, V., Scaramelli, A., Scarff, A., Scarpelli, A., Schaffer, T., Schellman, H., Schlabach, P., Schmitz, D., Scholberg, K., Schukraft, A., Segreto, E., Sensenig, J., Seong, I., Sergi, A., Sergiampietri, F., Sgalaberna, D., Shaevitz, M. H., Shafaq, S., Shamma, M., Sharma, H. R., Sharma, R., Shaw, T., Shepherd-Themistocleous, C., Shin, S., Shooltz, D., Shrock, R., Simard, L., Simos, N., Sinclair, J., Sinev, G., Singh, J., Singh, V., Sipos, R., Sippach, F. W., Sirri, G., Sitraka, A., Siyeon, K., Smargianaki, D., Smith, A., Smith, E., Smith, P., Smolik, J., Smy, M., Snopok, P., Soares Nunes, M., Sobel, H., Soderberg, M., Solano Salinas, C. J., Soldner-Rembold, S., Solomey, N., Solovov, V., Sondheim, W. E., Sorel, M., Soto-Oton, J., Sousa, A., Soustruznik, K., Spagliardi, F., Spanu, M., Spitz, J., Spooner, N. J. C., Spurgeon, K., Staley, R., Stancari, M., Stanco, L., Steiner, H. M., Stewart, J., Stillwell, B., Stock, J., Stocker, F., Stokes, T., Strait, M., Strauss, T., Striganov, S., Stuart, A., Summers, D., Surdo, A., Susic, V., Suter, L., Sutera, C. M., Svoboda, R., Szczerbinska, B., Szelc, A. M., Talaga, R., Tanaka, H. A., Tapia Oregui, B., Tapper, A., Tariq, S., Tatar, E., Tayloe, R., Teklu, A. M., Tenti, M., Terao, K., Ternes, C. A., Terranova, F., Testera, G., Thea, A., Thompson, J. L., Thorn, C., Timm, S. C., Tonazzo, A., Torti, M., Tortola, M., Tortorici, F., Totani, D., Toups, M., Touramanis, C., Trevor, J., Trzaska, W. H., Tsai, Y. T., Tsamalaidze, Z., Tsang, K. V., Tsverava, N., Tufanli, S., Tull, C., Tyley, E., Tzanov, M., Uchida, M. A., Urheim, J., Usher, T., Vagins, M. R., Vahle, P., Valdiviesso, G. A., Valencia, E., Vallari, Z., Valle, J. W. F., Vallecorsa, S., Van Berg, R., Van De Water, R. G., Vanegas Forero, D., Varanini, F., Vargas, D., Varner, G., Vasel, J., Vasseur, G., Vaziri, K., Ventura, S., Verdugo, A., Vergani, S., Vermeulen, M. A., Verzocchi, M., Vieira De Souza, H., Vignoli, C., Vilela, C., Viren, B., Vrba, T., Wachala, T., Waldron, A. V., Wallbank, M., Wang, H., Wang, J., Wang, Y., Warburton, K., Warner, D., Wascko, M., Waters, D., Watson, A., Weatherly, P., Weber, A., Weber, M., Wei, H., Weinstein, A., Wenman, D., Wetstein, M., While, M. R., White, A., Whitehead, L. H., Whittington, D., Wilking, M. J., Wilkinson, C., Williams, Z., Wilson, F., Wilson, R. J., Wolcott, J., Wongjirad, T., Wood, K., Wood, L., Worcester, E., Worcester, M., Wret, C., Wu, W., Xiao, Y., Yang, G., Yang, T., Yershov, N., Yonehara, K., Young, T., Yu, B., Yu, J., Zaki, R., Zalesak, J., Zambelli, L., Zamorano, B., Zani, A., Zazueta, L., Zeller, G. P., Zennamo, J., Zeug, K., Zhang, C., Zhao, M., Zhivun, E., Zhu, G., Zimmerman, E. D., Zito, M., Zucchelli, S., Zuklin, J., Zutshi, V., Zwaska, R., Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), DUNE, XENON (IHEF, IoP, FNWI), ATLAS (IHEF, IoP, FNWI), Abi, B, Acciarri, R, Acero, M, Adamov, G, Adams, D, Adinolfi, M, Ahmad, Z, Ahmed, J, Alion, T, Alonso Monsalve, S, Alt, C, Anderson, J, Andreopoulos, C, Andrews, M, Andrianala, F, Andringa, S, Ankowski, A, Antonova, M, Antusch, S, Aranda-Fernandez, A, Ariga, A, Arnold, L, Arroyave, M, Asaadi, J, Aurisano, A, Aushev, V, Autiero, D, Azfar, F, Back, H, Back, J, Backhouse, C, Baesso, P, Bagby, L, Bajou, R, Balasubramanian, S, Baldi, P, Bambah, B, Barao, F, Barenboim, G, Barker, G, Barkhouse, W, Barnes, C, Barr, G, Barranco Monarca, J, Barros, N, Barrow, J, Bashyal, A, Basque, V, Bay, F, Bazo Alba, J, Beacom, J, Bechetoille, E, Behera, B, Bellantoni, L, Bellettini, G, Bellini, V, Beltramello, O, Belver, D, Benekos, N, Bento Neves, F, Berger, J, Berkman, S, Bernardini, P, Berner, R, Berns, H, Bertolucci, S, Betancourt, M, Bezawada, Y, Bhattacharjee, M, Bhuyan, B, Biagi, S, Bian, J, Biassoni, M, Biery, K, Bilki, B, Bishai, M, Bitadze, A, Blake, A, Blanco Siffert, B, Blaszczyk, F, Blazey, G, Blucher, E, Boissevain, J, Bolognesi, S, Bolton, T, Bonesini, M, Bongrand, M, Bonini, F, Booth, A, Booth, C, Bordoni, S, Borkum, A, Boschi, T, Bostan, N, Bour, P, Boyd, S, Boyden, D, Bracinik, J, Braga, D, Brailsford, D, Brandt, A, Bremer, J, Brew, C, Brianne, E, Brice, S, Brizzolari, C, Bromberg, C, Brooijmans, G, Brooke, J, Bross, A, Brunetti, G, Buchanan, N, Budd, H, Caiulo, D, Calafiura, P, Calcutt, J, Calin, M, Calvez, S, Calvo, E, Camilleri, L, Caminata, A, Campanelli, M, Caratelli, D, Carini, G, Carlus, B, Carniti, P, Caro Terrazas, I, Carranza, H, Castillo, A, Castromonte, C, Cattadori, C, Cavalier, F, Cavanna, F, Centro, S, Cerati, G, Cervelli, A, Cervera Villanueva, A, Chalifour, M, Chang, C, Chardonnet, E, Chatterjee, A, Chattopadhyay, S, Chaves, J, Chen, H, Chen, M, Chen, Y, Cherdack, D, Chi, C, Childress, S, Chiriacescu, A, Cho, K, Choubey, S, Christensen, A, Christian, D, Christodoulou, G, Church, E, Clarke, P, Coan, T, Cocco, A, Coelho, J, Conley, E, Conrad, J, Convery, M, Corwin, L, Cotte, P, Cremaldi, L, Cremonesi, L, Crespo-Anadon, J, Cristaldo, E, Cross, R, Cuesta, C, Cui, Y, Cussans, D, Dabrowski, M, Da Motta, H, Da Silva Peres, L, David, C, David, Q, Davies, G, Davini, S, Dawson, J, De, K, De Almeida, R, Debbins, P, De Bonis, I, Decowski, M, De Gouvea, A, De Holanda, P, De Icaza Astiz, I, Deisting, A, De Jong, P, Delbart, A, Delepine, D, Delgado, M, Dell'Acqua, A, De Lurgio, P, De Mello Neto, J, Demuth, D, Dennis, S, Densham, C, Deptuch, G, De Roeck, A, De Romeri, V, De Vries, J, Dharmapalan, R, Dias, M, Diaz, F, Diaz, J, Di Domizio, S, Di Giulio, L, Ding, P, Di Noto, L, Distefano, C, Diurba, R, Diwan, M, Djurcic, Z, Dokania, N, Dolinski, M, Domine, L, Douglas, D, Drielsma, F, Duchesneau, D, Duffy, K, Dunne, P, Durkin, T, Duyang, H, Dvornikov, O, Dwyer, D, Dyshkant, A, Eads, M, Edmunds, D, Eisch, J, Emery, S, Ereditato, A, Escobar, C, Escudero Sanchez, L, Evans, J, Ewart, E, Ezeribe, A, Fahey, K, Falcone, A, Farnese, C, Farzan, Y, Felix, J, Fernandez-Martinez, E, Fernandez Menendez, P, Ferraro, F, Fields, L, Filkins, A, Filthaut, F, Fitzpatrick, R, Flanagan, W, Fleming, B, Flight, R, Fowler, J, Fox, W, Franc, J, Francis, K, Franco, D, Freeman, J, Freestone, J, Fried, J, Friedland, A, Fuess, S, Furic, I, Furmanski, A, Gago, A, Gallagher, H, Gallego-Ros, A, Gallice, N, Galymov, V, Gamberini, E, Gamble, T, Gandhi, R, Gandrajula, R, Gao, S, Garcia-Carballeira, F, Garcia-Gamez, D, Garcia-Peris, M, Gardiner, S, Gastler, D, Ge, G, Gelli, B, Gendotti, A, Gent, S, Ghorbani-Moghaddam, Z, Gibin, D, Gil-Botella, I, Girerd, C, Giri, A, Gnani, D, Gogota, O, Gold, M, Gollapinni, S, Gollwitzer, K, Gomes, R, Gomez Bermeo, L, Gomez Fajardo, L, Gonnella, F, Gonzalez-Cuevas, J, Goodman, M, Goodwin, O, Goswami, S, Gotti, C, Goudzovski, E, Grace, C, Graham, M, Gramellini, E, Gran, R, Granados, E, Grant, A, Grant, C, Gratieri, D, Green, P, Green, S, Greenler, L, Greenwood, M, Greer, J, Griffith, W, Groh, M, Grudzinski, J, Grzelak, K, Gu, W, Guarino, V, Guenette, R, Guglielmi, A, Guo, B, Guthikonda, K, Gutierrez, R, Guzowski, P, Guzzo, M, Gwon, S, Habig, A, Hackenburg, A, Hadavand, H, Haenni, R, Hahn, A, Haigh, J, Haiston, J, Hamernik, T, Hamilton, P, Han, J, Harder, K, Harris, D, Hartnell, J, Hasegawa, T, Hatcher, R, Hazen, E, Heavey, A, Heeger, K, Heise, J, Hennessy, K, Henry, S, Hernandez Morquecho, M, Herner, K, Hertel, L, Hesam, A, Hewes, J, Higuera, A, Hill, T, Hillier, S, Himmel, A, Hoff, J, Hohl, C, Holin, A, Hoppe, E, Horton-Smith, G, Hostert, M, Hourlier, A, Howard, B, Howell, R, Huang, J, Hugon, J, Iles, G, Ilic, N, Iliescu, A, Illingworth, R, Ioannisian, A, Itay, R, Izmaylov, A, James, E, Jargowsky, B, Jediny, F, Jesus-Valls, C, Ji, X, Jiang, L, Jimenez, S, Jipa, A, Joglekar, A, Johnson, C, Johnson, R, Jones, B, Jones, S, Jung, C, Junk, T, Jwa, Y, Kabirnezhad, M, Kaboth, A, Kadenko, I, Kamiya, F, Karagiorgi, G, Karcher, A, Karolak, M, Karyotakis, Y, Kasai, S, Kasetti, S, Kashur, L, Kazaryan, N, Kearns, E, Keener, P, Kelly, K, Kemp, E, Ketchum, W, Kettell, S, Khabibullin, M, Khotjantsev, A, Khvedelidze, A, Kim, D, King, B, Kirby, B, Kirby, M, Klein, J, Koehler, K, Koerner, L, Kohn, S, Koller, P, Kordosky, M, Kosc, T, Kose, U, Kostelecky, V, Kothekar, K, Krennrich, F, Kreslo, I, Kudenko, Y, Kudryavtsev, V, Kulagin, S, Kumar, J, Kumar, R, Kuruppu, C, Kus, V, Kutter, T, Lambert, A, Lande, K, Lane, C, Lang, K, Langford, T, Lasorak, P, Last, D, Lastoria, C, Laundrie, A, Lawrence, A, Lazanu, I, Lazur, R, Le, T, Learned, J, Lebrun, P, Lehmann Miotto, G, Lehnert, R, Leigui De Oliveira, M, Leitner, M, Leyton, M, Li, L, Li, S, Li, T, Li, Y, Liao, H, Lin, C, Lin, S, Lister, A, Littlejohn, B, Liu, J, Lockwitz, S, Loew, T, Lokajicek, M, Lomidze, I, Long, K, Loo, K, Lorca, D, Lord, T, Losecco, J, Louis, W, Luk, K, Luo, X, Lurkin, N, Lux, T, Luzio, V, Macfarland, D, Machado, A, Machado, P, Macias, C, Macier, J, Maddalena, A, Madigan, P, Magill, S, Mahn, K, Maio, A, Maloney, J, Mandrioli, G, Maneira, J, Manenti, L, Manly, S, Mann, A, Manolopoulos, K, Manrique Plata, M, Marchionni, A, Marciano, W, Marfatia, D, Mariani, C, Maricic, J, Marinho, F, Marino, A, Marshak, M, Marshall, C, Marshall, J, Marteau, J, Martin-Albo, J, Martinez, N, Martinez Caicedo, D, Martynenko, S, Mason, K, Mastbaum, A, Masud, M, Matsuno, S, Matthews, J, Mauger, C, Mauri, N, Mavrokoridis, K, Mazza, R, Mazzacane, A, Mazzucato, E, Mccluskey, E, Mcconkey, N, Mcfarland, K, Mcgrew, C, Mcnab, A, Mefodiev, A, Mehta, P, Melas, P, Mellinato, M, Mena, O, Menary, S, Mendez, H, Menegolli, A, Meng, G, Messier, M, Metcalf, W, Mewes, M, Meyer, H, Miao, T, Michna, G, Miedema, T, Migenda, J, Milincic, R, Miller, W, Mills, J, Milne, C, Mineev, O, Miranda, O, Miryala, S, Mishra, C, Mishra, S, Mislivec, A, Mladenov, D, Mocioiu, I, Moffat, K, Moggi, N, Mohanta, R, Mohayai, T, Mokhov, N, Molina, J, Molina Bueno, L, Montanari, A, Montanari, C, Montanari, D, Montano Zetina, L, Moon, J, Mooney, M, Moor, A, Moreno, D, Morgan, B, Morris, C, Mossey, C, Motuk, E, Moura, C, Mousseau, J, Mu, W, Mualem, L, Mueller, J, Muether, M, Mufson, S, Muheim, F, Muir, A, Mulhearn, M, Muramatsu, H, Murphy, S, Musser, J, Nachtman, J, Nagu, S, Nalbandyan, M, Nandakumar, R, Naples, D, Narita, S, Navas-Nicolas, D, Nayak, N, Nebot-Guinot, M, Necib, L, Negishi, K, Nelson, J, Nesbit, J, Nessi, M, Newbold, D, Newcomer, M, Newhart, D, Nichol, R, Niner, E, Nishimura, K, Norman, A, Norrick, A, Northrop, R, Novella, P, Nowak, J, Oberling, M, Olivares Del Campo, A, Olivier, A, Onel, Y, Onishchuk, Y, Ott, J, Pagani, L, Pakvasa, S, Palamara, O, Palestini, S, Paley, J, Pallavicini, M, Palomares, C, Pantic, E, Paolone, V, Papadimitriou, V, Papaleo, R, Papanestis, A, Paramesvaran, S, Parke, S, Parsa, Z, Parvu, M, Pascoli, S, Pasqualini, L, Pasternak, J, Pater, J, Patrick, C, Patrizii, L, Patterson, R, Patton, S, Patzak, T, Paudel, A, Paulos, B, Paulucci, L, Pavlovic, Z, Pawloski, G, Payne, D, Pec, V, Peeters, S, Penichot, Y, Pennacchio, E, Penzo, A, Peres, O, Perry, J, Pershey, D, Pessina, G, Petrillo, G, Petta, C, Petti, R, Piastra, F, Pickering, L, Pietropaolo, F, Pillow, J, Pinzino, J, Plunkett, R, Poling, R, Pons, X, Poonthottathil, N, Pordes, S, 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Sarasty, C, Sarcevic, I, Savage, G, Savinov, V, Scaramelli, A, Scarff, A, Scarpelli, A, Schaffer, T, Schellman, H, Schlabach, P, Schmitz, D, Scholberg, K, Schukraft, A, Segreto, E, Sensenig, J, Seong, I, Sergi, A, Sergiampietri, F, Sgalaberna, D, Shaevitz, M, Shafaq, S, Shamma, M, Sharma, H, Sharma, R, Shaw, T, Shepherd-Themistocleous, C, Shin, S, Shooltz, D, Shrock, R, Simard, L, Simos, N, Sinclair, J, Sinev, G, Singh, J, Singh, V, Sipos, R, Sippach, F, Sirri, G, Sitraka, A, Siyeon, K, Smargianaki, D, Smith, A, Smith, E, Smith, P, Smolik, J, Smy, M, Snopok, P, Soares Nunes, M, Sobel, H, Soderberg, M, Solano Salinas, C, Soldner-Rembold, S, Solomey, N, Solovov, V, Sondheim, W, Sorel, M, Soto-Oton, J, Sousa, A, Soustruznik, K, Spagliardi, F, Spanu, M, Spitz, J, Spooner, N, Spurgeon, K, Staley, R, Stancari, M, Stanco, L, Steiner, H, Stewart, J, Stillwell, B, Stock, J, Stocker, F, Stokes, T, Strait, M, Strauss, T, Striganov, S, Stuart, A, Summers, D, Surdo, A, Susic, V, Suter, L, Sutera, C, Svoboda, R, Szczerbinska, B, Szelc, A, Talaga, R, Tanaka, H, Tapia Oregui, B, Tapper, A, Tariq, S, Tatar, E, Tayloe, R, Teklu, A, Tenti, M, Terao, K, Ternes, C, Terranova, F, Testera, G, Thea, A, Thompson, J, Thorn, C, Timm, S, Tonazzo, A, Torti, M, Tortola, M, Tortorici, F, Totani, D, Toups, M, Touramanis, C, Trevor, J, Trzaska, W, Tsai, Y, Tsamalaidze, Z, Tsang, K, Tsverava, N, Tufanli, S, Tull, C, Tyley, E, Tzanov, M, Uchida, M, Urheim, J, Usher, T, Vagins, M, Vahle, P, Valdiviesso, G, Valencia, E, Vallari, Z, Valle, J, Vallecorsa, S, Van Berg, R, Van De Water, R, Vanegas Forero, D, Varanini, F, Vargas, D, Varner, G, Vasel, J, Vasseur, G, Vaziri, K, Ventura, S, Verdugo, A, Vergani, S, Vermeulen, M, Verzocchi, M, Vieira De Souza, H, Vignoli, C, Vilela, C, Viren, B, Vrba, T, Wachala, T, Waldron, A, Wallbank, M, Wang, H, Wang, J, Wang, Y, Warburton, K, Warner, D, Wascko, M, Waters, D, Watson, A, Weatherly, P, Weber, A, Weber, M, Wei, H, Weinstein, A, Wenman, D, Wetstein, M, While, M, White, A, Whitehead, L, Whittington, D, Wilking, M, Wilkinson, C, Williams, Z, Wilson, F, Wilson, R, Wolcott, J, Wongjirad, T, Wood, K, Wood, L, Worcester, E, Worcester, M, Wret, C, Wu, W, Xiao, Y, Yang, G, Yang, T, Yershov, N, Yonehara, K, Young, T, Yu, B, Yu, J, Zaki, R, Zalesak, J, Zambelli, L, Zamorano, B, Zani, A, Zazueta, L, Zeller, G, Zennamo, J, Zeug, K, Zhang, C, Zhao, M, Zhivun, E, Zhu, G, Zimmerman, E, Zito, M, Zucchelli, S, Zuklin, J, Zutshi, V, Zwaska, R, Abi B., Acciarri R., Acero M.A., Adamov G., Adams D., Adinolfi M., Ahmad Z., Ahmed J., Alion T., Alonso Monsalve S., Alt C., Anderson J., Andreopoulos C., Andrews M.P., Andrianala F., Andringa S., Ankowski A., Antonova M., Antusch S., Aranda-Fernandez A., Ariga A., Arnold L.O., Arroyave M.A., Asaadi J., Aurisano A., Aushev V., Autiero D., Azfar F., Back H., Back J.J., Backhouse C., Baesso P., Bagby L., Bajou R., Balasubramanian S., Baldi P., Bambah B., Barao F., Barenboim G., Barker G.J., Barkhouse W., Barnes C., Barr G., Barranco Monarca J., Barros N., Barrow J.L., Bashyal A., Basque V., Bay F., Bazo Alba J.L., Beacom J.F., Bechetoille E., Behera B., Bellantoni L., Bellettini G., Bellini V., Beltramello O., Belver D., Benekos N., Bento Neves F., Berger J., Berkman S., Bernardini P., Berner R.M., Berns H., Bertolucci S., Betancourt M., Bezawada Y., Bhattacharjee M., Bhuyan B., Biagi S., Bian J., Biassoni M., Biery K., Bilki B., Bishai M., Bitadze A., Blake A., Blanco Siffert B., Blaszczyk F.D.M., Blazey G.C., Blucher E., Boissevain J., Bolognesi S., Bolton T., Bonesini M., Bongrand M., Bonini F., Booth A., Booth C., Bordoni S., Borkum A., Boschi T., Bostan N., Bour P., Boyd S.B., Boyden D., Bracinik J., Braga D., Brailsford D., Brandt A., Bremer J., Brew C., Brianne E., Brice S.J., Brizzolari C., Bromberg C., Brooijmans G., Brooke J., Bross A., Brunetti G., Buchanan N., Budd H., Caiulo D., Calafiura P., Calcutt J., Calin M., Calvez S., Calvo E., Camilleri L., Caminata A., Campanelli M., Caratelli D., Carini G., Carlus B., Carniti P., Caro Terrazas I., Carranza H., Castillo A., Castromonte C., Cattadori C., Cavalier F., Cavanna F., Centro S., Cerati G., Cervelli A., Cervera Villanueva A., Chalifour M., Chang C., Chardonnet E., Chatterjee A., Chattopadhyay S., Chaves J., Chen H., Chen M., Chen Y., Cherdack D., Chi C., Childress S., Chiriacescu A., Cho K., Choubey S., Christensen A., Christian D., Christodoulou G., Church E., Clarke P., Coan T.E., Cocco A.G., Coelho J.A.B., Conley E., Conrad J.M., Convery M., Corwin L., Cotte P., Cremaldi L., Cremonesi L., Crespo-Anadon J.I., Cristaldo E., Cross R., Cuesta C., Cui Y., Cussans D., Dabrowski M., Da Motta H., Da Silva Peres L., David C., David Q., Davies G.S., Davini S., Dawson J., De K., De Almeida R.M., Debbins P., De Bonis I., Decowski M.P., De Gouvea A., De Holanda P.C., De Icaza Astiz I.L., Deisting A., De Jong P., Delbart A., Delepine D., Delgado M., Dell'acqua A., De Lurgio P., De Mello Neto J.R.T., Demuth D.M., Dennis S., Densham C., Deptuch G., De Roeck A., De Romeri V., De Vries J.J., Dharmapalan R., Dias M., Diaz F., Diaz J.S., Di Domizio S., Di Giulio L., Ding P., Di Noto L., Distefano C., Diurba R., Diwan M., Djurcic Z., Dokania N., Dolinski M.J., Domine L., Douglas D., Drielsma F., Duchesneau D., Duffy K., Dunne P., Durkin T., Duyang H., Dvornikov O., Dwyer D.A., Dyshkant A.S., Eads M., Edmunds D., Eisch J., Emery S., Ereditato A., Escobar C.O., Escudero Sanchez L., Evans J.J., Ewart E., Ezeribe A.C., Fahey K., Falcone A., Farnese C., Farzan Y., Felix J., Fernandez-Martinez E., Fernandez Menendez P., Ferraro F., Fields L., Filkins A., Filthaut F., Fitzpatrick R.S., Flanagan W., Fleming B., Flight R., Fowler J., Fox W., Franc J., Francis K., Franco D., Freeman J., Freestone J., Fried J., Friedland A., Fuess S., Furic I., Furmanski A.P., Gago A., Gallagher H., Gallego-Ros A., Gallice N., Galymov V., Gamberini E., Gamble T., Gandhi R., Gandrajula R., Gao S., Garcia-Carballeira F., Garcia-Gamez D., Garcia-Peris M.A., Gardiner S., Gastler D., Ge G., Gelli B., Gendotti A., Gent S., Ghorbani-Moghaddam Z., Gibin D., Gil-Botella I., Girerd C., Giri A.K., Gnani D., Gogota O., Gold M., Gollapinni S., Gollwitzer K., Gomes R.A., Gomez Bermeo L.V., Gomez Fajardo L.S., Gonnella F., Gonzalez-Cuevas J.A., Goodman M.C., Goodwin O., Goswami S., Gotti C., Goudzovski E., Grace C., Graham M., Gramellini E., Gran R., Granados E., Grant A., Grant C., Gratieri D., Green P., Green S., Greenler L., Greenwood M., Greer J., Griffith W.C., Groh M., Grudzinski J., Grzelak K., Gu W., Guarino V., Guenette R., Guglielmi A., Guo B., Guthikonda K.K., Gutierrez R., Guzowski P., Guzzo M.M., Gwon S., Habig A., Hackenburg A., Hadavand H., Haenni R., Hahn A., Haigh J., Haiston J., Hamernik T., Hamilton P., Han J., Harder K., Harris D.A., Hartnell J., Hasegawa T., Hatcher R., Hazen E., Heavey A., Heeger K.M., Heise J., Hennessy K., Henry S., Hernandez Morquecho M.A., Herner K., Hertel L., Hesam A.S., Hewes J., Higuera A., Hill T., Hillier S.J., Himmel A., Hoff J., Hohl C., Holin A., Hoppe E., Horton-Smith G.A., Hostert M., Hourlier A., Howard B., Howell R., Huang J., Hugon J., Iles G., Ilic N., Iliescu A.M., Illingworth R., Ioannisian A., Itay R., Izmaylov A., James E., Jargowsky B., Jediny F., Jesus-Valls C., Ji X., Jiang L., Jimenez S., Jipa A., Joglekar A., Johnson C., Johnson R., Jones B., Jones S., Jung C.K., Junk T., Jwa Y., Kabirnezhad M., Kaboth A., Kadenko I., Kamiya F., Karagiorgi G., Karcher A., Karolak M., Karyotakis Y., Kasai S., Kasetti S.P., Kashur L., Kazaryan N., Kearns E., Keener P., Kelly K.J., Kemp E., Ketchum W., Kettell S.H., Khabibullin M., Khotjantsev A., Khvedelidze A., Kim D., King B., Kirby B., Kirby M., Klein J., Koehler K., Koerner L.W., Kohn S., Koller P.P., Kordosky M., Kosc T., Kose U., Kostelecky V.A., Kothekar K., Krennrich F., Kreslo I., Kudenko Y., Kudryavtsev V.A., Kulagin S., Kumar J., Kumar R., Kuruppu C., Kus V., Kutter T., Lambert A., Lande K., Lane C.E., Lang K., Langford T., Lasorak P., Last D., Lastoria C., Laundrie A., Lawrence A., Lazanu I., Lazur R., Le T., Learned J., Lebrun P., Lehmann Miotto G., Lehnert R., Leigui De Oliveira M.A., Leitner M., Leyton M., Li L., Li S., Li S.W., Li T., Li Y., Liao H., Lin C.S., Lin S., Lister A., Littlejohn B.R., Liu J., Lockwitz S., Loew T., Lokajicek M., Lomidze I., Long K., Loo K., Lorca D., Lord T., Losecco J.M., Louis W.C., Luk K.B., Luo X., Lurkin N., Lux T., Luzio V.P., MacFarland D., MacHado A.A., MacHado P., MacIas C.T., MacIer J.R., Maddalena A., Madigan P., Magill S., Mahn K., Maio A., Maloney J.A., Mandrioli G., Maneira J., Manenti L., Manly S., Mann A., Manolopoulos K., Manrique Plata M., Marchionni A., Marciano W., Marfatia D., Mariani C., Maricic J., Marinho F., Marino A.D., Marshak M., Marshall C., Marshall J., Marteau J., Martin-Albo J., Martinez N., Martinez Caicedo D.A., Martynenko S., Mason K., Mastbaum A., Masud M., Matsuno S., Matthews J., Mauger C., Mauri N., Mavrokoridis K., Mazza R., Mazzacane A., Mazzucato E., McCluskey E., McConkey N., McFarland K.S., McGrew C., McNab A., Mefodiev A., Mehta P., Melas P., Mellinato M., Mena O., Menary S., Mendez H., Menegolli A., Meng G., Messier M.D., Metcalf W., Mewes M., Meyer H., Miao T., Michna G., Miedema T., Migenda J., Milincic R., Miller W., Mills J., Milne C., Mineev O., Miranda O.G., Miryala S., Mishra C.S., Mishra S.R., Mislivec A., Mladenov D., Mocioiu I., Moffat K., Moggi N., Mohanta R., Mohayai T.A., Mokhov N., Molina J., Molina Bueno L., Montanari A., Montanari C., Montanari D., Montano Zetina L.M., Moon J., Mooney M., Moor A., Moreno D., Morgan B., Morris C., Mossey C., Motuk E., Moura C.A., Mousseau J., Mu W., Mualem L., Mueller J., Muether M., Mufson S., Muheim F., Muir A., Mulhearn M., Muramatsu H., Murphy S., Musser J., Nachtman J., Nagu S., Nalbandyan M., Nandakumar R., Naples D., Narita S., Navas-Nicolas D., Nayak N., Nebot-Guinot M., Necib L., Negishi K., Nelson J.K., Nesbit J., Nessi M., Newbold D., Newcomer M., Newhart D., Nichol R., Niner E., Nishimura K., Norman A., Norrick A., Northrop R., Novella P., Nowak J.A., Oberling M., Olivares Del Campo A., Olivier A., Onel Y., Onishchuk Y., Ott J., Pagani L., Pakvasa S., Palamara O., Palestini S., Paley J.M., Pallavicini M., Palomares C., Pantic E., Paolone V., Papadimitriou V., Papaleo R., Papanestis A., Paramesvaran S., Parke S., Parsa Z., Parvu M., Pascoli S., Pasqualini L., Pasternak J., Pater J., Patrick C., Patrizii L., Patterson R.B., Patton S.J., Patzak T., Paudel A., Paulos B., Paulucci L., Pavlovic Z., Pawloski G., Payne D., Pec V., Peeters S.J.M., Penichot Y., Pennacchio E., Penzo A., Peres O.L.G., Perry J., Pershey D., Pessina G., Petrillo G., Petta C., Petti R., Piastra F., Pickering L., Pietropaolo F., Pillow J., Pinzino J., Plunkett R., Poling R., Pons X., Poonthottathil N., Pordes S., Potekhin M., Potenza R., Potukuchi B.V.K.S., Pozimski J., Pozzato M., Prakash S., Prakash T., Prince S., Prior G., Pugnere D., Qi K., Qian X., Raaf J.L., Raboanary R., Radeka V., Rademacker J., Radics B., Radovic A., Rafique A., Raguzin E., Rai M., Rajaoalisoa M., Rakhno I., Rakotondramanana H.T., Rakotondravohitra L., Ramachers Y.A., Rameika R., Ramirez Delgado M.A., Ramson B., Rappoldi A., Raselli G., Ratoff P., Ravat S., Razafinime H., Real J.S., Rebel B., Redondo D., Reggiani-Guzzo M., Rehak T., Reichenbacher J., Reitzner S.D., Renshaw A., Rescia S., Resnati F., Reynolds A., Riccobene G., Rice L.C.J., Rielage K., Rigaut Y., Rivera D., Rochester L., Roda M., Rodrigues P., Rodriguez Alonso M.J., Rodriguez Rondon J., Roeth A.J., Rogers H., Rosauro-Alcaraz S., Rossella M., Rout J., Roy S., Rubbia A., Rubbia C., Russell B., Russell J., Ruterbories D., Saakyan R., Sacerdoti S., Safford T., Sahu N., Sala P., Samios N., Sanchez M.C., Sanders D.A., Sankey D., Santana S., Santos-Maldonado M., Saoulidou N., Sapienza P., Sarasty C., Sarcevic I., Savage G., Savinov V., Scaramelli A., Scarff A., Scarpelli A., Schaffer T., Schellman H., Schlabach P., Schmitz D., Scholberg K., Schukraft A., Segreto E., Sensenig J., Seong I., Sergi A., Sergiampietri F., Sgalaberna D., Shaevitz M.H., Shafaq S., Shamma M., Sharma H.R., Sharma R., Shaw T., Shepherd-Themistocleous C., Shin S., Shooltz D., Shrock R., Simard L., Simos N., Sinclair J., Sinev G., Singh J., Singh V., Sipos R., Sippach F.W., Sirri G., Sitraka A., Siyeon K., Smargianaki D., Smith A., Smith E., Smith P., Smolik J., Smy M., Snopok P., Soares Nunes M., Sobel H., Soderberg M., Solano Salinas C.J., Soldner-Rembold S., Solomey N., Solovov V., Sondheim W.E., Sorel M., Soto-Oton J., Sousa A., Soustruznik K., Spagliardi F., Spanu M., Spitz J., Spooner N.J.C., Spurgeon K., Staley R., Stancari M., Stanco L., Steiner H.M., Stewart J., Stillwell B., Stock J., Stocker F., Stokes T., Strait M., Strauss T., Striganov S., Stuart A., Summers D., Surdo A., Susic V., Suter L., Sutera C.M., Svoboda R., Szczerbinska B., Szelc A.M., Talaga R., Tanaka H.A., Tapia Oregui B., Tapper A., Tariq S., Tatar E., Tayloe R., Teklu A.M., Tenti M., Terao K., Ternes C.A., Terranova F., Testera G., Thea A., Thompson J.L., Thorn C., Timm S.C., Tonazzo A., Torti M., Tortola M., Tortorici F., Totani D., Toups M., Touramanis C., Trevor J., Trzaska W.H., Tsai Y.T., Tsamalaidze Z., Tsang K.V., Tsverava N., Tufanli S., Tull C., Tyley E., Tzanov M., Uchida M.A., Urheim J., Usher T., Vagins M.R., Vahle P., Valdiviesso G.A., Valencia E., Vallari Z., Valle J.W.F., Vallecorsa S., Van Berg R., Van De Water R.G., Vanegas Forero D., Varanini F., Vargas D., Varner G., Vasel J., Vasseur G., Vaziri K., Ventura S., Verdugo A., Vergani S., Vermeulen M.A., Verzocchi M., Vieira De Souza H., Vignoli C., Vilela C., Viren B., Vrba T., Wachala T., Waldron A.V., Wallbank M., Wang H., Wang J., Wang Y., Warburton K., Warner D., Wascko M., Waters D., Watson A., Weatherly P., Weber A., Weber M., Wei H., Weinstein A., Wenman D., Wetstein M., While M.R., White A., Whitehead L.H., Whittington D., Wilking M.J., Wilkinson C., Williams Z., Wilson F., Wilson R.J., Wolcott J., Wongjirad T., Wood K., Wood L., Worcester E., Worcester M., Wret C., Wu W., Xiao Y., Yang G., Yang T., Yershov N., Yonehara K., Young T., Yu B., Yu J., Zaki R., Zalesak J., Zambelli L., Zamorano B., Zani A., Zazueta L., Zeller G.P., Zennamo J., Zeug K., Zhang C., Zhao M., Zhivun E., Zhu G., Zimmerman E.D., Zito M., Zucchelli S., Zuklin J., Zutshi V., Zwaska R., UAM. Departamento de Física Teórica, Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Ministerio de Ciencia, Innovación y Universidades (España)

Subjects
Neutrino Oscillations. Neutrino detectors, Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, far detector, 01 natural sciences, Physics, Particles & Fields, High Energy Physics - Experiment, charged current, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Particle Physics Experiments, Muon neutrino, neutrino/e: particle identification, Neutrino detectors, Detectors and Experimental Techniques, physics.ins-det, Charged current, neutrino: interaction, Informática, Physics, Telecomunicaciones, Neutrino oscillations, Neutrino interactions, neural network, DUNE, Deep Underground Neutrino Experiment, Instrumentation and Detectors (physics.ins-det), Experiment (hep-ex), Neutrino detector, Physical Sciences, CP violation, Neutrino, Particle Physics - Experiment, Particle physics, data analysis method, 530 Physics, neural network, Astrophysics::High Energy Astrophysical Phenomena, CONSERVATION, FOS: Physical sciences, Astronomy & Astrophysics, Deep Learning, neutrino: deep underground detector, neutrino physics, 0103 physical sciences, Object Detection, CP: violation, Deep Underground Neutrino Experiment, High Energy Physics, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Neutrinos, 010306 general physics, Neutrino oscillation, neutrino/mu: particle identification, IOU, Science & Technology, DUNE, Neutrino interactions, 010308 nuclear & particles physics, hep-ex, High Energy Physics::Phenomenology, Física, Neutrino Interaction, Detector, 530 Physik, sensitivity, efficiency, High Energy Physics::Experiment, Electron neutrino
Abstract

The Deep Underground Neutrino Experiment is a next-generation neutrino oscillation experiment that aims to measure CP-violation in the neutrino sector as part of a wider physics program. A deep learning approach based on a convolutional neural network has been developed to provide highly efficient and pure selections of electron neutrino and muon neutrino charged-current interactions. The electron neutrino (antineutrino) selection efficiency peaks at 90% (94%) and exceeds 85% (90%) for reconstructed neutrino energies between 2–5 GeV. The muon neutrino (antineutrino) event selection is found to have a maximum efficiency of 96% (97%) and exceeds 90% (95%) efficiency for reconstructed neutrino energies above 2 GeV. When considering all electron neutrino and antineutrino interactions as signal, a selection purity of 90% is achieved. These event selections are critical to maximize the sensitivity of the experiment to CP-violating effects., Fermi Research Alliance, LLC (FRA) DE-AC02-07CH11359, National Council for Scientific and Technological Development (CNPq), Carlos Chagas Filho Foundation for Research Support of the State of Rio de Janeiro (FAPERJ), FAPEG, Brazil, Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP), Canada Foundation for Innovation, Institute of Particle Physics, Canada, Natural Sciences and Engineering Research Council of Canada (NSERC), CERN, Ministry of Education, Youth & Sports - Czech Republic Czech Republic Government, ERDF, European Union, H2020-EU, European Union, MSCA, European Union, Centre National de la Recherche Scientifique (CNRS), French Atomic Energy Commission, Istituto Nazionale di Fisica Nucleare (INFN), Portuguese Foundation for Science and Technology European Commission, NRF, South Korea, Comunidad de Madrid, La Caixa Foundation, Spanish Government, State Secretariat for Education, Research and Innovation, Switzerland, Swiss National Science Foundation (SNSF), Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK), Royal Society of London, UKRI/STFC, United Kingdom, United States Department of Energy (DOE), National Science Foundation (NSF)

Published
2020

4. Search for Heavy Neutral Leptons Decaying into Muon-Pion Pairs in the MicroBooNE Detector

Author

A. Mogan, T. Wongjirad, Michael H Kirby, Kazuhiro Terao, A. Paudel, E. Piasetzky, Sanchez, K. Mason, R. K. Neely, B. Russell, D. Cianci, M. Wospakrik, T. Kobilarcik, H. E. Rogers, S. Lockwitz, A. P. Furmanski, R. G. Van de Water, Vishvas Pandey, Afroditi Papadopoulou, W. Ketchum, J. C. Mills, J. A. Nowak, Janet Conrad, Yi Chen, Serhan Tufanli, L. Camilleri, T. Yang, V. Basque, Xiaolu Ji, A. M. Szelc, A. Mastbaum, B. R. Littlejohn, A. Bhanderi, M. Bishai, M. Ross-Lonergan, E.L. Snider, S. Sword-Fehlberg, L.S. Rochester, T. L. Usher, Panagiotis Spentzouris, A. Hourlier, G. Scanavini, Eliahu Cohen, J. Asaadi, Kate C. Miller, Steven Gardiner, S.R. Soleti, B. Viren, J. Zennamo, Laura Dominé, J. Moon, Thomas Strauss, D. Garcia-Gamez, Paul J. Green, S. F. Pate, S. Wolbers, R. Murrells, C.D. Moore, Veljko Radeka, K. P. Mistry, D. Lorca, L. Gu, O. Palamara, Z. Pavlovic, B. Baller, J. Mousseau, D. Franco, A. Rafique, X. Luo, C. Rudolf von Rohr, P. Abratenko, M. E. Convery, S. Balasubramanian, D. Devitt, H. Y. Wei, E.-C. Huang, Chao Zhang, C. James, V. Papavassiliou, M. Mooney, G. A. Horton-Smith, Or Hen, D.W. Schmitz, R. Castillo Fernandez, B. Lundberg, M. Del Tutto, P. Nienaber, Y. T. Tsai, Yang Li, B. Eberly, M. Alrashed, M. A. Uchida, R. A. Johnson, J. R. Sinclair, Z. Williams, A. Marchionni, D. A. Wickremasinghe, M. Luethi, William Tang, T. Mettler, John Marshall, S. Gollapinni, G. Yarbrough, Rod Thornton, R. LaZur, M. Weber, L. Cooper-Troendle, S. Dytman, Alison Lister, N. McConkey, W. Van De Pontseele, V. Genty, L. Escudero, J. Anthony, M. H. Shaevitz, I. Caro Terrazas, Antonio Ereditato, Craig L. Hill, P. M. Hamilton, D. Porzio, D. Naples, W. C. Louis, J. Joshi, I. Lepetic, Cris W. Barnes, W. G. Seligman, E. Church, N. Tagg, J. H. Jo, J. Spitz, G.D. Barr, J. St. John, D. Caratelli, G. Karagiorgi, D. Goeldi, D. A. Martinez Caicedo, N. Foppiani, C. Mariani, B.T. Fleming, W. Q. Gu, R. S. Fitzpatrick, H. Greenlee, L. Ren, K. Sutton, B. Kirby, J. Martin-Albo, T. Bolton, S. Berkman, J. Jan de Vries, G. P. Zeller, I. Kreslo, M. Toups, Andrew Blake, L. Jiang, S. Marcocci, R. An, Adi Ashkenazi, P. Guzowski, R. Itay, S. Söldner-Rembold, Sebastien Prince, M. Soderberg, J. L. Raaf, R. Sharankova, A. Schukraft, R. Guenette, F. Cavanna, Wei Wu, L.E. Yates, Giuseppe Benedetto Cerati, J. I. Crespo-Anadón, V. Meddage, O. Goodwin, A. Bhat, A. M. Smith, V. Paolone, Y.-J. Jwa, K. Woodruff, John Evans, K. E. Duffy, Xin Qian, T. A. Mohayai, G. Pulliam, E. Gramellini, M. Stancari, and Massachusetts Institute of Technology. Department of Physics

Subjects
Physics, Particle physics, Physics - Instrumentation and Detectors, Muon, 010308 nuclear & particles physics, 530 Physics, Physics::Instrumentation and Detectors, High Energy Physics::Phenomenology, FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), Neutrino beam, 530 Physik, 01 natural sciences, High Energy Physics - Experiment, Standard Model, High Energy Physics - Experiment (hep-ex), Pion, 0103 physical sciences, High Energy Physics::Experiment, Fermilab, Neutrino, 010306 general physics, Lepton
Abstract

This document was prepared by the MicroBooNE Collaboration using the resources of the Fermi National Accelerator Laboratory (Fermilab), a U.S. Department of Energy, Office of Science, HEP User Facility. Fermilab is managed by Fermi Research Alliance, LLC (FRA), acting under Contract No. DE-AC02-07CH11359. MicroBooNE is supported by the following: the U.S. Department of Energy, Office of Science, Offices of High Energy Physics and Nuclear Physics; the U.S. National Science Foundation; the Swiss National Science Foundation; the Science and Technology Facilities Council (STFC), part of the United Kingdom Research and Innovation; and The Royal Society (United Kingdom). Additional support for the laser calibration system and cosmic ray tagger was provided by the Albert Einstein Center for Fundamental Physics, Bern, Switzerland., We present upper limits on the production of heavy neutral leptons (HNLs) decaying to μπ pairs using data collected with the MicroBooNE liquid-argon time projection chamber (TPC) operating at Fermilab. This search is the first of its kind performed in a liquid-argon TPC. We use data collected in 2017 and 2018 corresponding to an exposure of 2.0×1020 protons on target from the Fermilab Booster Neutrino Beam, which produces mainly muon neutrinos with an average energy of ≈800 MeV. HNLs with higher mass are expected to have a longer time of flight to the liquid-argon TPC than Standard Model neutrinos. The data are therefore recorded with a dedicated trigger configured to detect HNL decays that occur after the neutrino spill reaches the detector. We set upper limits at the 90% confidence level on the element |Uμ4|2 of the extended PMNS mixing matrix in the range |Uμ4|2, Fermilab is managed by Fermi Research Alliance, LLC (FRA), acting under Contract No. DE-AC02-07CH11359

Published
2020
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5. Muon capture on light isotopes measured with the Double Chooz detector

Author

A. Hourlier, L. B. Bezrukov, Eric Baussan, T. Brugière, S. M. Fernandes, J. Reichenbacher, A.V. Etenko, D. Hellwig, I. Stancu, L. Camilleri, T. Hara, C. Veyssiere, R. Carr, H. Furuta, G. Mention, Anatael Cabrera, J. C. dos Anjos, D. Shrestha, A. Onillon, M. H. Shaevitz, M. Vivier, J. M. LoSecco, C. Alt, Yoshio Abe, Anselmo Meregaglia, J. Spitz, H. Gomez, E. Conover, V. Zimmer, Amanda Porta, Marcos Cerrada, G. A. Horton-Smith, C. Mariani, H. P. Lima, H. de Kerret, G. Yang, J. Maeda, Josef Jochum, BayarJon Paul Lubsandorzhiev, A.C. Schilithz, I. Bekman, V. Sibille, S. Appel, I. Gil-Botella, N. Vassilopoulos, R. Roncin, J.V. Dawson, S. Perasso, L. Goodenough, Luis González, F. von Feilitzsch, J. Busenitz, R. Santorelli, J. M. López-Castaño, M. Kaneda, Muriel Fallot, B. Reinhold, A. Tonazzo, F. Yermia, Audrey Letourneau, Janet Conrad, E. Damon, E. Blucher, Y. Sakamoto, T. Miletic, Zelimir Djurcic, Matthew L Strait, T. Abrahão, Y. Kamyshkov, M. Franke, R. Svoboda, Masahiro Kuze, Florian Kaether, J. Felde, J. Dhooghe, G. Pronost, F. Suekane, M. Obolensky, L.F.F. Stokes, P. Novella, T. Sumiyoshi, D. Franco, J. Martino, David Lhuillier, V. V. Sinev, N. Walsh, E. Kemp, M. Röhling, Takeo Kawasaki, A. Minotti, I. M. Pepe, P. Chimenti, Lydie Giot, A. Stahl, Lothar Oberauer, T. Matsubara, M. Göger-Neff, R. Milincic, E. Chauveau, Cécile Jollet, S. Schönert, A. Osborn, Yasushi Nagasaka, Daniel M. Kaplan, Stefan Schoppmann, H. Almazan, C. E. Lane, Masaki Ishitsuka, J. Maricic, Tobias Lachenmaier, V. Fischer, Y. Sun, Stephen Robert Wagner, Marcos Dracos, M. Bergevin, S. V. Sukhotin, E. Smith, N. Haag, K. Crum, J. I. Crespo-Anadón, S. Lucht, R. Sharankova, Diana Navas-Nicolas, C. Palomares, Michael Hofmann, Christian Buck, L. N. Kalousis, T.J.C. Bezerra, D. Dietrich, Kazuhiro Terao, A. S. Cucoanes, Christopher Wiebusch, G. A. Valdiviesso, M. C. Goodman, J. Haser, M. D. Skorokhvatov, Michael Wurm, H. Watanabe, Thierry Lasserre, J. C. Barriere, D. Kryn, M. Soiron, H. H. Trinh Thi, Manfred Lindner, Antoine Collin, B. Rybolt, Abe, Y, Abrahao, T, Almazan, H, Alt, C, Appel, S, Barriere, J, Baussan, E, Bekman, I, Bergevin, M, Bezerra, T, Bezrukov, L, Blucher, E, Brugiere, T, Buck, C, Busenitz, J, Cabrera, A, Camilleri, L, Carr, R, Cerrada, M, Chauveau, E, Chimenti, P, Collin, A, Conover, E, Conrad, J, Crespo-Anadon, J, Crum, K, Cucoanes, A, Damon, E, Dawson, J, De Kerret, H, Dhooghe, J, Dietrich, D, Djurcic, Z, Dos Anjos, J, Dracos, M, Etenko, A, Fallot, M, Felde, J, Fernandes, S, Fischer, V, Franco, D, Franke, M, Furuta, H, Gil-Botella, I, Giot, L, Goger-Neff, M, Gomez, H, Gonzalez, L, Goodenough, L, Goodman, M, Haag, N, Hara, T, Haser, J, Hellwig, D, Hofmann, M, Horton-Smith, G, Hourlier, A, Ishitsuka, M, Jochum, J, Jollet, C, Kaether, F, Kalousis, L, Kamyshkov, Y, Kaneda, M, Kaplan, D, Kawasaki, T, Kemp, E, Kryn, D, Kuze, M, Lachenmaier, T, Lane, C, Lasserre, T, Letourneau, A, Lhuillier, D, Lima, H, Lindner, M, Lopez-Castano, J, Losecco, J, Lubsandorzhiev, B, Lucht, S, Maeda, J, Mariani, C, Maricic, J, Martino, J, Matsubara, T, Mention, G, Meregaglia, A, Miletic, T, Milincic, R, Minotti, A, Nagasaka, Y, Navas-Nicolas, D, Novella, P, Oberauer, L, Obolensky, M, Onillon, A, Osborn, A, Palomares, C, Pepe, I, Perasso, S, Porta, A, Pronost, G, Reichenbacher, J, Reinhold, B, Rohling, M, Roncin, R, Rybolt, B, Sakamoto, Y, Santorelli, R, Schilithz, A, Schonert, S, Schoppmann, S, Shaevitz, M, Sharankova, R, Shrestha, D, Sibille, V, Sinev, V, Skorokhvatov, M, Smith, E, Soiron, M, Spitz, J, Stahl, A, Stancu, I, Stokes, L, Strait, M, Suekane, F, Sukhotin, S, Sumiyoshi, T, Sun, Y, Svoboda, R, Terao, K, Tonazzo, A, Trinh Thi, H, Valdiviesso, G, Vassilopoulos, N, Veyssiere, C, Vivier, M, Von Feilitzsch, F, Wagner, S, Walsh, N, Watanabe, H, Wiebusch, C, Wurm, M, Yang, G, Yermia, F, and Zimmer, V

Subjects
Physics, Semileptonic decay, Particle physics, education.field_of_study, Muon, 010308 nuclear & particles physics, Population, neutrino physic, 01 natural sciences, Muon capture, Nuclear physics, 13. Climate action, 0103 physical sciences, High Energy Physics::Experiment, Neutron, Production (computer science), Neutrino, 010306 general physics, Ground state, education
Abstract

Using the Double Chooz detector, designed to measure the neutrino mixing angle $\theta_{13}$, the products of $\mu^-$ capture on $^{12}$C, $^{13}$C, $^{14}$N and $^{16}$O have been measured. Over a period of 489.5 days, $2.3\times10^6$ stopping cosmic $\mu^-$ have been collected, of which $1.8\times10^5$ captured on carbon, nitrogen, or oxygen nuclei in the inner detector scintillator or acrylic vessels. The resulting isotopes were tagged using prompt neutron emission (when applicable), the subsequent beta decays, and, in some cases, $\beta$-delayed neutrons. The most precise measurement of the rate of $^{12}\mathrm C(\mu^-,\nu)^{12}\mathrm B$ to date is reported: $6.57^{+0.11}_{-0.21}\times10^{3}\,\mathrm s^{-1}$, or $(17.35^{+0.35}_{-0.59})\%$ of nuclear captures. By tagging excited states emitting gammas, the ground state transition rate to $^{12}$B has been determined to be $5.68^{+0.14}_{-0.23}\times10^3\,\mathrm s^{-1}$. The heretofore unobserved reactions $^{12}\mathrm C(\mu^-,\nu\alpha)^{8}\mathrm{Li}$, $^{13}\mathrm C(\mu^-,\nu\mathrm n\alpha)^{8}\mathrm{Li}$, and $^{13}\mathrm C(\mu^-,\nu\mathrm n)^{12}\mathrm B$ are measured. Further, a population of $\beta$n decays following stopping muons is identified with $5.5\sigma$ significance. Statistics limit our ability to identify these decays definitively. Assuming negligible production of $^{8}$He, the reaction $^{13}\mathrm C(\mu^-,\nu\alpha)^{9}\mathrm{Li}$ is found to be present at the $2.7\sigma$ level. Limits are set on a variety of other processes.

Published
2016

6. Measurement of neutrino oscillation by the K2K experiment

Author

S. Andringa, T. Nakadaira, R. Gran, Tadayuki Takahashi, Yoshitaka Itow, Makoto Sakuda, F. Nakata, K. Fujii, A. Rodriguez, D. Kerr, M. H. Ahn, U. Dore, S. Likhoded, S P Mikheyev, K. Martens, Y. Totsuka, Y. Takubo, Kate Scholberg, Y. Takeuchi, Yu. Kudenko, Shinya Yamada, H. I. Jang, S. C. Boyd, M. Okumura, A. Blondel, A. Ikeda, K. Tashiro, Itsuo Nakano, C. K. Jung, M. Sekiguchi, H. Yokoyama, F. Pierre, Minoru Yoshida, M. Kitamura, L. Whitehead, K. Taki, S. Nawang, N. Yershov, Shogo Nishiyama, O. V. Mineev, E. Sharkey, K. Kaneyuki, Hirokazu Ishino, D. Kielczewska, Shoei Nakayama, Taichi Morita, Y. Kurimoto, Hiroyuki Noumi, T. Otaki, R. Schroeter, L. Ludovici, E. J. Jeon, Takashi Kobayashi, J. Kameda, M. Onchi, Y. Yamanoi, C. Cavata, M. Sorel, Katsuki Hiraide, H. C. Bhang, P. F. Loverre, J. Bouchez, M. Y. Pac, G. Sitjes, S. Mine, C. O. Kim, I. Kato, E. Seo, A. Shima, T. Kutter, K. Hayashi, H. So, S. M. Oser, T. Ishida, J. Hill, J. Catala, A. K. Ichikawa, Tomoyuki Maruyama, T. Hara, K. K. Joo, Lawrence Sulak, P. Novella, Susumu Noda, S. Fukuda, K. Takenaka, Yoshitaka Kuno, T. Ishii, Masaaki Tanaka, F. Nova, John G. Learned, Y. Yamada, B. H. Kang, Y. Obayashi, M. Takasaki, A. Minamino, A. Tornero-Lopez, J.J. Gómez-Cadenas, Takanori Sasaki, M. Fechner, S. Echigo, C. Yanagisawa, J. Zalipska, C. McGrew, G. Jover, J.H. Kim, K. Nakamura, K. B. McConnel Mahn, S. B. Kim, V. A. Matveev, M. Minakawa, A. Cervera, C. W. Walter, Y. Takenaga, Y. Hayato, Yuichi Oyama, Masaya Hasegawa, M. Miura, G. Kume, M. Tada, David William Casper, Takehisa Hasegawa, C. Mitsuda, K. Sato, J. Hosaka, A. Suzuki, R. L. Helmer, Hyosun Kim, Katsuhiro Kobayashi, A. Sakai, Nobuyuki Sakurai, Yusuke Koshio, S. Ueda, Shoji Yamamoto, J. Mallet, S. Matsuno, H. Takeuchi, T. Ooyabu, Masayuki Nakahata, Y. Aoyama, R. Terri, R. Ashie, H. Ishii, Y. Suga, Masashi Yokoyama, J. S. Jang, G. Mitsuka, E. Aliu, H. Tanaka, A. Sarrat, Mark R. Vagins, K. K. Shiraishi, Takaaki Kajita, Masaki Ishitsuka, Kenichi Tanaka, Yoshihiro Suzuki, H. Park, Masaharu Ieiri, X. Espinal, Y. Moriguchi, Beom Jun Kim, Michael B. Smy, Y. Fukuda, T. Iwashita, R. J. Wilkes, I. Higuchi, I. T. Lim, Y. Kato, W. R. Kropp, Federico Sanchez, Toshio Namba, C. Mariani, H. Maesaka, Ko Okumura, E. Kearns, Shigeki Aoki, T. Toshito, Hiroshi Sato, K. Asakura, P. Kitching, C. Mauger, J. Argyriades, H. Nishino, S. H. Lim, A. Okada, M. Kohama, M. Takatsuki, F. Berghaus, Tsuyoshi Nakaya, C. Saji, J. Kubota, Jordi Burguet-Castell, H. G. Berns, W. Wang, Masataka Iinuma, E. Hirose, J. Yoo, K. Nishikawa, J. Y. Kim, Henry W. Sobel, K. Nitta, Y. Tanaka, Masato Shiozawa, Shaomin Chen, A. Konaka, Shigetaka Moriyama, K. O. Cho, R. Nambu, N. Tamura, Silvia Borghi, J. L. Stone, T. Inagaki, A. N. Khotjantsev, Y. Fujii, J. H. Choi, M. M. Khabibullin, Stephane T'Jampens, E. Fernandez, I. S. Jeong, and K. Ishihara

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Tamura, Norio, 010308 nuclear & particles physics, Oscillation, T2K experiment, FOS: Physical sciences, Física, Elementary particle, 7. Clean energy, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, Massless particle, High Energy Physics - Experiment (hep-ex), K2K experiment, 0103 physical sciences, 田村, 詔生, Neutrino, 010306 general physics, Neutrino oscillation, Lepton
Abstract

We present measurements of nu_mu disappearance in K2K, the KEK to Kamioka long-baseline neutrino oscillation experiment. One hundred and twelve beam-originated neutrino events are observed in the fiducial volume of Super-Kamiokande with an expectation of 158.1^{+9.2}_{-8.6} events without oscillation. A distortion of the energy spectrum is also seen in 58 single-ring muon-like events with reconstructed energies. The probability that the observations are explained by the expectation for no neutrino oscillation is 0.0015% (4.3sigma). In a two flavor oscillation scenario, the allowed Delta m^2 region at sin^2(2theta) is between 1.9 and 3.5 x 10^{-3} eV^2 at the 90% C.L. with a best-fit value of 2.8 x 10^{-3} eV^2., Comment: 40 pages, 48 figures

Published
2006

7. First test of Lorentz violation with a reactor-based antineutrino experiment

Author

V. Fischer, P. Novella, T. Sumiyoshi, J. L. Sida, Achim Stahl, Michael H. Shaevitz, G. Keefer, I. Ostrovskiy, A. Bernstein, H. Furuta, T.J.C. Bezerra, E. Damon, A. Onillon, G. Mention, Matthew L Strait, Michael Wurm, H. Watanabe, D. Greiner, D. Lhuillier, K. Nakajima, V. Zimmer, M. Cerrada, A. J. Franke, Z. Djurcic, P. Pfahler, J. Maeda, M. Göger-Neff, Takeo Kawasaki, Iuri Muniz Pepe, R. Gama, M. Bergevin, V. Sinev, M. Skorokhvatov, Bayarto Lubsandorzhiev, M. Röhling, Thierry Lasserre, Th. A. Mueller, G. Pronost, Stefan Roth, J. Reichenbacher, J.V. Dawson, Caren Hagner, J. M. López-Castaño, Muriel Fallot, T. Classen, J. Martino, Anatael Cabrera, Teppei Katori, Florian Kaether, Yu. Efremenko, Y. Kamyshkov, J. Felde, D. Franco, L. Camilleri, C. Palomares, Kazuhiro Terao, A. Stüken, F. Sato, M. Toups, Christopher Wiebusch, E. Conover, G. A. Valdiviesso, Yasushi Nagasaka, J. C. dos Anjos, J. Maricic, H. Miyata, Christian Buck, B. Rybolt, E. Caden, V. Durand, Yoshio Abe, D. McKee, Frank Hartmann, Anna Erickson, C. N. Maesano, F. Suekane, L.F.F. Stokes, C. Mariani, J. Haser, Josef Jochum, D. Dietrich, L. Bezrukhov, F. von Feilitzsch, Lindley Winslow, L. Oberauer, Lydie Giot, S. Dazeley, H. P. Lima, D. Shrestha, M. Elnimr, J. Spitz, C. Aberle, Ernesto Kemp, Stefan Schoppmann, J. Busenitz, Masahiro Kuze, Cécile Jollet, P. Chimenti, T. Matsubara, A. Remoto, A. Hatzikoutelis, H. H. Trinh Thi, R. Milincic, M. Franke, C. E. Lane, M. Ishitsuka, I. Stancu, M. Fechner, M. Worcester, T. Miletic, S. Habib, F. Yermia, M. Dracos, I. Gil-Botella, S. Perasso, C. Veyssiere, P. Perrin, A. Osborn, R. Roncin, Tobias Lachenmaier, Ying Sun, Tomoyuki Konno, Daniel M. Kaplan, A. Tonazzo, Stefan Schönert, John M. LoSecco, M. V. d'Agostino, S. V. Sukhotin, E. Smith, N. Haag, B. Reinhold, S. Lucht, M. Obolensky, G. A. Horton-Smith, L. N. Kalousis, C. L. Jones, Michael Hofmann, T. Schwetz, Luis González, Nathaniel Bowden, A. S. Cucoanes, Janet Conrad, W. Potzel, Manuel Meyer, B. R. White, J. Ebert, Sebastian Wagner, Manfred Lindner, Antoine Collin, E. Blucher, Maury Goodman, P.-J. Chang, K. Crum, E. Yanovitch, R. Carr, Alain Letourneau, D. Kryn, Anselmo Meregaglia, Amanda Porta, J. I. Crespo-Anadón, H. de Kerret, T. Hayakawa, T. Hara, R. Santorelli, J. Tm. Goon, Y. Sakamoto, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire SUBATECH Nantes (SUBATECH), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Nantes (UN)-Mines Nantes (Mines Nantes), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Double-CHOOZ, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Mines Nantes (Mines Nantes)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), APC - Neutrinos, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-AstroParticule et Cosmologie (APC (UMR_7164)), PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Double Chooz Collaboration, Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), and Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Muon, 010308 nuclear & particles physics, Lorentz transformation, FOS: Physical sciences, Electron, Lorentz covariance, CHOOZ, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, symbols.namesake, High Energy Physics - Experiment (hep-ex), Sidereal time, 0103 physical sciences, symbols, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, 010306 general physics, Neutrino oscillation, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Electron neutrino
Abstract

We present a search for Lorentz violation with 8249 candidate electron antineutrino events taken by the Double Chooz experiment in 227.9 live days of running. This analysis, featuring a search for a sidereal time dependence of the events, is the first test of Lorentz invariance using a reactor-based antineutrino source. No sidereal variation is present in the data and the disappearance results are consistent with sidereal time independent oscillations. Under the Standard-Model Extension (SME), we set the first limits on fourteen Lorentz violating coefficients associated with transitions between electron and tau flavor, and set two competitive limits associated with transitions between electron and muon flavor., Comment: 6 pages, 2 figures; (new version after referee's comments)

Published
2012

8. Reactor ν ̄e disappearance in the Double Chooz experiment

Author

G. Mention, M. Ishitsuka, Matthew L Strait, Tobias Lachenmaier, I. M. Pepe, Daniel M. Kaplan, S. V. Sukhotin, E. Smith, M. V. d'Agostino, H. Miyata, M. Kuze, E. Caden, N. Haag, Christian Buck, A. Hatzikoutelis, S. Dazeley, T. Kawasaki, E. Damon, A.V. Etenko, T. Konno, H. P. Lima, F. Suekane, L.F.F. Stokes, I. Stancu, H. Furuta, L.N. Kalousis, Yuri Kamyshkov, C. N. Maesano, Y. Sakamoto, M. Toups, T. Miletic, P. Novella, D. McKee, D. Dietrich, S. Perasso, J. Busenitz, P.-J. Chang, J. Haser, S. Shimojima, Lindley Winslow, F. Yermia, S. Lucht, G. A. Horton-Smith, Michael Hofmann, A. Bernstein, Anatael Cabrera, P. Perrin, Michael Fechner, David Lhuillier, A. Cucoanes, E. Conover, H. H. Trinh Thi, E. Kemp, Luis González, Nathaniel Bowden, Thomas Schwetz, B. White, T.J.C. Bezerra, A. Remoto, C. L. Jones, A. Onillon, C. Mariani, P. Chimenti, Kazuhiro Terao, Janet Conrad, Marcos Dracos, Josef Jochum, T. Matsubara, T. Hayakawa, I. Gil-Botella, J. Martino, L. Bezrukhov, M. Bergevin, V. V. Sinev, F. von Feilitzsch, M. Obolensky, A. Osborn, H. de Kerret, Christopher Wiebusch, M. D. Skorokhvatov, J. Ebert, Michael Wurm, H. Watanabe, Robert Svoboda, Sebastian Wagner, G. A. Valdiviesso, M. Röhling, D. Kryn, M. C. Goodman, K. Crum, Alain Letourneau, Yu. Efremenko, Manfred Lindner, Antoine Collin, E. Blucher, Zelimir Djurcic, A. Hourlier, Lydie Giot, Stefan Schoppmann, W. Potzel, Caren Hagner, J. I. Crespo-Anadón, R. Gama, Anselmo Meregaglia, M. H. Shaevitz, J. C. dos Anjos, J. M. López-Castaño, Yoshio Abe, Bayarto Lubsandorzhiev, S. Schönert, Lothar Oberauer, C. Palomares, Thierry Lasserre, G. Keefer, V. Zimmer, Muriel Fallot, T. Classen, J. C. Barriere, A. J. Franke, R. Carr, D. Greiner, P. Pfahler, C. E. Lane, L. Camilleri, Florian Kaether, Y. Kibe, F. Hartmann, J. Felde, D. Franco, J.V. Dawson, T. Sumiyoshi, A. Stahl, J. L. Sida, M. Cerrada, Amanda Porta, J. Maricic, A. Stüken, F. Sato, J. Reichenbacher, C. Veyssiere, R. Santorelli, J. Tm. Goon, D. Shrestha, J. Spitz, V. Durand, R. Roncin, Ying Sun, T. Hara, John M. LoSecco, M. Elnimr, R. Milincic, S. Roth, I. Ostrovskiy, M. Franke, Th. A. Mueller, K. Nakajima, C. Aberle, M. Worcester, Cécile Jollet, B. Reinhold, C. Langbrandtner, J. Maeda, A. Tonazzo, M. Göger-Neff, and Yasushi Nagasaka

Subjects
Physics, NOνA, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Detector, CHOOZ, 01 natural sciences, Spectral line, Nuclear physics, 0103 physical sciences, 010306 general physics, Neutrino oscillation, Electron neutrino
Abstract

The Double Chooz experiment has observed 8,249 candidate electron antineutrino events in 227.93 live days with 33.71 GW-ton-years (reactor power x detector mass x livetime) exposure using a 10.3 cubic meter fiducial volume detector located at 1050 m from the reactor cores of the Chooz nuclear power plant in France. The expectation in case of theta13 = 0 is 8,937 events. The deficit is interpreted as evidence of electron antineutrino disappearance. From a rate plus spectral shape analysis we find sin^2 2{\theta}13 = 0.109 \pm 0.030(stat) \pm 0.025(syst). The data exclude the no-oscillation hypothesis at 99.9% CL (3.1{\sigma}).

Published
2012

9. Measurement of inclusive neutral current pi(0) production on carbon in a few-GeV neutrino beam

Author

M. J. Wilking, R. Napora, G. P. Zeller, M. Otani, Janet Conrad, V. T. McGary, Y. Miyachi, R. J. Stefanski, P. F. Loverre, E. D. Zimmerman, Y. Uchida, H. B. White, L. Ludovici, M. Sorel, J. J. Walding, Rex Tayloe, S. Mizugashira, G. Mitsuka, W. C. Louis, Katsuki Hiraide, S. Masuike, L. Bugel, Y. Kobayashi, W. Metcalf, M. O. Wascko, G. Jover-Manas, U. Dore, T. Kobilarcik, Yasuhiro Nakajima, D. Orme, P. Guzowski, D. A. Finley, G. Cheng, Federico Sanchez, G. Karagiorgi, J. Catala-Perez, J.J. Gómez-Cadenas, A. D. Russell, P. Nienaber, C. Mariani, Y. Hayato, Z. Djurcic, H. Kubo, S. J. Brice, Andrew J. Hanson, A. J. Franke, Masashi Yokoyama, M. Tanaka, H. K. Tanaka, T. A. Shibata, Tsuyoshi Nakaya, Y. Kurimoto, I. Taylor, R. G. Van de Water, M. H. Shaevitz, R. J. Tesarek, C. Giganti, Kendall Mahn, C. D. Moore, J. L. Alcaraz-Aunion, Kodai Matsuoka, G. B. Mills, H. Takei, and Teppei Katori

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Science program, Library science, Neutrino beam, Priority areas, Synthetic materials, Loan, Christian ministry, High Energy Physics::Experiment, Fermilab, Nuclear Experiment, Polyvinyls
Abstract

The SciBooNE Collaboration reports inclusive neutral current neutral pion production by a muon neutrino beam on a polystyrene target (C8H8). We obtain (7.7 +/- 0.5(stat) +/- 0.5(sys)) X 10(-2) as the ratio of the neutral current neutral pion production to total charged current cross section; the mean energy of neutrinos producing detected neutral pions is 1.1 GeV. The result agrees with the Rein-Sehgal model implemented in our neutrino interaction simulation program with nuclear effects. The spectrum shape of the pi(0) momentum and angle agree with the model. We also measure the ratio of the neutral current coherent pion production to total charged current cross section to be (0.7 +/- 0.4) X 10(-2)., We acknowledge the Physics Department at Chonnam National University, Dongshin University, and Seoul National University for the loan of parts used in SciBar and the help in the assembly of SciBar. We wish to thank the Physics Departments at the University of Rochester and Kansas State University for the loan of Hamamatsu PMTs used in the MRD. We gratefully acknowledge support from Fermilab as well as various grants, contracts and fellowships from the MEXT and JSPS (Japan), the INFN (Italy), the Ministry of Science and Innovation and CSIC (Spain), the STFC (UK), and the DOE and NSF (USA). This work was supported by MEXT and JSPS with the Grant-in-Aid for Scientific Research A 19204026, Young Scientists S 20674004, Young Scientists B 18740145, Scientific Research on Priority Areas “New Developments of Flavor Physics”, and the global COE program “The Next Generation of Physics, Spun from Universality and Emergence”. The project was supported by the Japan/U.S. Cooperation Program in the field of High Energy Physics and by JSPS and NSF under the Japan-U.S. Cooperative Science Program.

Published
2010

10. Improved measurement of neutral current coherent pi(0) production on carbon in a few-GeV neutrino beam

Author

T. Kobilarcik, V. T. McGary, Y. Hayato, S. J. Brice, G. Mitsuka, J.J. Gómez-Cadenas, Y. Miyachi, G. Jover-Manas, C. Mariani, H. Kubo, S. Mizugashira, J. J. Walding, Federico Sanchez, M. H. Shaevitz, P. Guzowski, Teppei Katori, R. J. Tesarek, Yasuhiro Nakajima, A. D. Russell, G. Karagiorgi, P. Nienaber, D. A. Finley, M. Otani, L. Ludovici, M. Tanaka, Janet Conrad, M. Sorel, Rex Tayloe, Kodai Matsuoka, G. P. Zeller, H. B. White, W. C. Louis, Kendall Mahn, M. O. Wascko, C. D. Moore, H. Takei, G. Cheng, W. Metcalf, K. Hiraide, J. L. Alcaraz-Aunion, R. J. Stefanski, Z. Djurcic, E. D. Zimmerman, G. B. Mills, S. Masuike, Andrew J. Hanson, A. J. Franke, I. Taylor, M. J. Wilking, R. Napora, L. Bugel, Y. Uchida, Y. Kobayashi, U. Dore, Y. Kurimoto, Masashi Yokoyama, H. K. Tanaka, Tsuyoshi Nakaya, J. Catala-Perez, T. A. Shibata, R. G. Van de Water, C. Giganti, P. F. Loverre, and D. Orme

Subjects
Physics, Nuclear and High Energy Physics, Meson production, Loan, Science program, Library science, High Energy Physics::Experiment, Christian ministry, Fermilab, Neutrino beam, Priority areas, Neutrino scattering
Abstract

The SciBooNE Collaboration reports a measurement of neutral current coherent pi(0) production on carbon by a muon neutrino beam with average energy 0.8 GeV. The separation of coherent from inclusive pi(0) production has been improved by detecting recoil protons from resonant pi(0) production. We measure the ratio of the neutral current coherent pi(0) production to total charged current cross sections to be 1.16 +/- 0.24) x 10(-2). The ratio of charged current coherent pi(+) to neutral current coherent pi(0) production is calculated to be 0.14(-0.28)(+0.30), using our published charged current coherent pion measurement., We acknowledge the Physics Department at Chonnam National University, Dongshin University, and Seoul National University for the loan of parts used in SciBar and the help in the assembly of SciBar. We wish to thank the Physics Departments at the University of Rochester and Kansas State University for the loan of Hamamatsu PMTs used in the MRD. We gratefully acknowledge support from Fermilab as well as various grants, contracts and fellowships from the MEXT and JSPS (Japan), the INFN (Italy), the Ministry of Science and Innovation and CSIC (Spain), the STFC (UK), and the DOE and NSF (USA). This work was supported by MEXT and JSPS with the Grant-in-Aid for Scientific Research A 19204026, Young Scientists S 20674004, Young Scientists B 18740145, Scientific Research on Priority Areas “New Developments of Flavor Physics”, and the global COE program “The Next Generation of Physics, Spun from Universality and Emergence”. The project was supported by the Japan/U.S. Cooperation Program in the field of High Energy Physics and by JSPS and NSF under the Japan-U.S. Cooperative Science Program.

Published
2010

11. Bismuth-induced restructuring of the GaSb(110) surface

Author

Gavioli, Luca, T., Van Gemmeren, Lottermoser, L., Falkenberg, G., Seehofer, L., Johnson, R. L., C., Mariani, R., Feidenhans?l, Landemark, E., Smilgies, D., Nielsen, M., Gavioli, Luca (ORCID:0000-0003-2782-7414), Gavioli, Luca, T., Van Gemmeren, Lottermoser, L., Falkenberg, G., Seehofer, L., Johnson, R. L., C., Mariani, R., Feidenhans?l, Landemark, E., Smilgies, D., Nielsen, M., and Gavioli, Luca (ORCID:0000-0003-2782-7414)

Abstract

The structure of the GaSb(110)(1 x 2)-Bi reconstruction has been solved using surface x-ray diffraction, scanning tunneling microscopy, and photoelectron spectroscopy. The ideal GaSb(110) surface is terminated with zigzag chains of anions and cations running in the [1 (1) over bar 0] direction. In the Bi-induced (1 X 2) reconstruction we find that every second zigzag chain in the uppermost substrate layer is missing. The reconstructed surface is terminated with a full monolayer of Bi atoms which also form zigzag chains. The Bi atoms in the chains bond alternately to the first and second layer substrate atoms and the Bi chains are inclined at 34 degrees to the (110) plane

Published
1998

12. Measurement of the quasielastic axial vector mass in neutrino interactions on oxygen

Author

K. Ishihara, A. Blondel, M. M. Khabibullin, A. Ikeda, Stephane T'Jampens, Y. Totsuka, A. Cervera, H. I. Jang, U. Dore, Atsumu Suzuki, Masataka Iinuma, I. S. Jeong, T. Kobayashi, Y. Takubo, Y. Takeuchi, H. C. Bhang, Tadayuki Takahashi, S. M. Oser, K. Nishikawa, H. W. Sobel, Itsuo Nakano, E. Fernandez, J. Bouchez, Takaaki Kajita, J. Yoo, Masato Shiozawa, M. Y. Pac, L. Whitehead, E. Kearns, Shinya Yamada, Taichi Morita, Y. Kurimoto, M. Sekiguchi, K. Taki, Federico Sanchez, R. Gran, T. Nakadaira, J. Catala, A. K. Ichikawa, A. Rodriguez, D. Kerr, R. Schroeter, T. Hara, S. Likhoded, C. Saji, Katsuki Hiraide, Y. Kuno, T. Ishida, Makoto Sakuda, N. Tamura, Silvia Borghi, K. K. Joo, David William Casper, F. Nova, J. L. Stone, C. Mitsuda, J. Kameda, J. Hosaka, Ko Okumura, T. Inagaki, Jordi Burguet-Castell, T. Kutter, K. B. McConnel Mahn, Shigeki Aoki, J. Mallet, Toshio Namba, J. Zalipska, N. Yershov, Koji Nakamura, K. Nitta, Shaomin Chen, K. Kaneyuki, A. N. Khotjantsev, E. J. Jeon, S. Matsuno, Masashi Yokoyama, Masaaki Tanaka, A. Okada, K. K. Shiraishi, L. Ludovici, W. Wang, H. G. Berns, C. Cavata, T. Ishii, S. Ueda, K. Hayashi, Michael B. Smy, H. Maesaka, Shigetaka Moriyama, Masayuki Nakahata, Minoru Yoshida, M. Sorel, A. Minamino, R. L. Helmer, S. Nawang, O. V. Mineev, C. W. Walter, Yasunari Suzuki, Hiroshi Sato, K. Asakura, A. Tornero-Lopez, P. Kitching, G. Sitjes, J. Argyriades, Shoei Nakayama, C. Yanagisawa, A. Sarrat, E. Aliu, S. Andringa, P. Novella, J. G. Learned, J.J. Gómez-Cadenas, Y. Takenaga, Masaya Hasegawa, M. Miura, Yoshitaka Itow, Tsuyoshi Nakaya, F. Berghaus, A. Konaka, J. Kubota, H. Yokoyama, F. Pierre, C. McGrew, Y. Hayato, Y. Fukuda, Katsuhiro Kobayashi, Shoji Yamamoto, C. O. Kim, K. O. Cho, S P Mikheyev, R. Terri, Yusuke Koshio, R. Ashie, S. Mine, Mark R. Vagins, Masaki Ishitsuka, R. Nambu, X. Espinal, Y. Moriguchi, R. J. Wilkes, Yu. Kudenko, I. T. Lim, M. Fechner, S. B. Kim, J. Y. Kim, G. Jover, Yuichi Oyama, C. Mariani, Takanori Sasaki, Kate Scholberg, Takehisa Hasegawa, C. K. Jung, D. Kielczewska, I. Kato, P. F. Loverre, Y. Obayashi, L. R. Sulak, W. R. Kropp, V. A. Matveev, T. Iwashita, and J. H. Choi

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Tamura, Norio, 010308 nuclear & particles physics, Momentum transfer, Nuclear Theory, Form factor (quantum field theory), Electron, 7. Clean energy, 01 natural sciences, Nuclear physics, Momentum, 0103 physical sciences, Invariant mass, 田村, 詔生, Neutrino, 010306 general physics, Nucleon, Nuclear Experiment, Pseudovector
Abstract

The weak nucleon axial-vector form factor for quasielastic interactions is determined using neutrino interaction data from the K2K Scintillating Fiber detector in the neutrino beam at KEK. More than 12 000 events are analyzed, of which half are charged-current quasielastic interactions ${\ensuremath{\nu}}_{\ensuremath{\mu}}n\ensuremath{\rightarrow}{\ensuremath{\mu}}^{\ensuremath{-}}p$ occurring primarily in oxygen nuclei. We use a relativistic Fermi gas model for oxygen and assume the form factor is approximately a dipole with one parameter, the axial-vector mass ${M}_{A}$, and fit to the shape of the distribution of the square of the momentum transfer from the nucleon to the nucleus. Our best fit result for ${M}_{A}=1.20\ifmmode\pm\else\textpm\fi{}0.12\text{ }\text{ }\mathrm{GeV}$. Furthermore, this analysis includes updated vector form factors from recent electron scattering experiments and a discussion of the effects of the nucleon momentum on the shape of the fitted distributions.

Published
2006

13. First Simultaneous Measurement of Differential Muon-Neutrino Charged-Current Cross Sections on Argon for Final States with and without Protons Using MicroBooNE Data.

Author

Abratenko P, Alterkait O, Andrade Aldana D, Arellano L, Asaadi J, Ashkenazi A, Balasubramanian S, Baller B, Barr G, Barrow D, Barrow J, Basque V, Benevides Rodrigues O, Berkman S, Bhanderi A, Bhat A, Bhattacharya M, Bishai M, Blake A, Bogart B, Bolton T, Book JY, Brunetti MB, Camilleri L, Cao Y, Caratelli D, Cavanna F, Cerati G, Chappell A, Chen Y, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Cross R, Del Tutto M, Dennis SR, Detje P, Devitt A, Diurba R, Djurcic Z, Dorrill R, Duffy K, Dytman S, Eberly B, Englezos P, Ereditato A, Evans JJ, Fine R, Finnerud OG, Foreman W, Fleming BT, Franco D, Furmanski AP, Gao F, Garcia-Gamez D, Gardiner S, Ge G, Gollapinni S, Gramellini E, Green P, Greenlee H, Gu L, Gu W, Guenette R, Guzowski P, Hagaman L, Hen O, Hilgenberg C, Horton-Smith GA, Imani Z, Irwin B, Ismail MS, James C, Ji X, Jo JH, Johnson RA, Jwa YJ, Kalra D, Kamp N, Karagiorgi G, Ketchum W, Kirby M, Kobilarcik T, Kreslo I, Leibovitch MB, Lepetic I, Li JY, Li K, Li Y, Lin K, Littlejohn BR, Liu H, Louis WC, Luo X, Mariani C, Marsden D, Marshall J, Martinez N, Martinez Caicedo DA, Martynenko S, Mastbaum A, Mawby I, McConkey N, Meddage V, Micallef J, Miller K, Mogan A, Mohayai T, Mooney M, Moor AF, Moore CD, Mora Lepin L, Moudgalya MM, Mulleriababu S, Naples D, Navrer-Agasson A, Nayak N, Nebot-Guinot M, Nowak J, Oza N, Palamara O, Pallat N, Paolone V, Papadopoulou A, Papavassiliou V, Parkinson HB, Pate SF, Patel N, Pavlovic Z, Piasetzky E, Pophale I, Qian X, Raaf JL, Radeka V, Rafique A, Reggiani-Guzzo M, Ren L, Rochester L, Rodriguez Rondon J, Rosenberg M, Ross-Lonergan M, Rudolf von Rohr C, Safa I, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Shi J, Snider EL, Soderberg M, Söldner-Rembold S, Spitz J, Stancari M, John JS, Strauss T, Szelc AM, Tang W, Taniuchi N, Terao K, Thorpe C, Torbunov D, Totani D, Toups M, Tsai YT, Tyler J, Uchida MA, Usher T, Viren B, Weber M, Wei H, White AJ, Wolbers S, Wongjirad T, Wospakrik M, Wresilo K, Wu W, Yandel E, Yang T, Yates LE, Yu HW, Zeller GP, Zennamo J, and Zhang C

Abstract

We report the first double-differential neutrino-argon cross section measurement made simultaneously for final states with and without protons for the inclusive muon neutrino charged-current interaction channel. The proton kinematics of this channel are further explored with a differential cross section measurement as a function of the leading proton's kinetic energy that extends across the detection threshold. These measurements use data collected with the MicroBooNE detector from 6.4×10^{20} protons on target from the Fermilab booster neutrino beam with a mean neutrino energy of ∼0.8  GeV. Extensive data-driven model validation utilizing the conditional constraint formalism is employed. This motivates enlarging the uncertainties with an empirical reweighting approach to minimize the possibility of extracting biased cross section results. The extracted nominal flux-averaged cross sections are compared to widely used event generator predictions revealing severe mismodeling of final states without protons for muon neutrino charged-current interactions, possibly from insufficient treatment of final state interactions. These measurements provide a wealth of new information useful for improving event generators which will enhance the sensitivity of precision measurements in neutrino experiments.

Published
2024
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14. First Search for Dark-Trident Processes Using the MicroBooNE Detector.

Author

Abratenko P, Alterkait O, Andrade Aldana D, Arellano L, Asaadi J, Ashkenazi A, Balasubramanian S, Baller B, Barr G, Barrow D, Barrow J, Basque V, Benevides Rodrigues O, Berkman S, Bhanderi A, Bhat A, Bhattacharya M, Bishai M, Blake A, Bogart B, Bolton T, Book JY, Brunetti MB, Camilleri L, Cao Y, Caratelli D, Cavanna F, Cerati G, Chappell A, Chen Y, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Cross R, Del Tutto M, Dennis SR, Detje P, Devitt A, Diurba R, Djurcic Z, Dorrill R, Duffy K, Dytman S, Eberly B, Englezos P, Ereditato A, Evans JJ, Fine R, Finnerud OG, Foreman W, Fleming BT, Franco D, Furmanski AP, Gao F, Garcia-Gamez D, Gardiner S, Ge G, Gollapinni S, Gramellini E, Green P, Greenlee H, Gu L, Gu W, Guenette R, Guzowski P, Hagaman L, Hen O, Hilgenberg C, Horton-Smith GA, Imani Z, Irwin B, Ismail MS, James C, Ji X, Jo JH, Johnson RA, Jwa YJ, Kalra D, Kamp N, Karagiorgi G, Ketchum W, Kirby M, Kobilarcik T, Kreslo I, Leibovitch MB, Lepetic I, Li JY, Li K, Li Y, Lin K, Littlejohn BR, Liu H, Louis WC, Luo X, Mariani C, Marsden D, Marshall J, Martinez N, Martinez Caicedo DA, Martynenko S, Mastbaum A, Mawby I, McConkey N, Meddage V, Micallef J, Miller K, Mogan A, Mohayai T, Mooney M, Moor AF, Moore CD, Mora Lepin L, Moudgalya MM, Mulleriababu S, Naples D, Navrer-Agasson A, Nayak N, Nebot-Guinot M, Nowak J, Oza N, Palamara O, Pallat N, Paolone V, Papadopoulou A, Papavassiliou V, Parkinson HB, Pate SF, Patel N, Pavlovic Z, Piasetzky E, Pophale I, Qian X, Raaf JL, Radeka V, Rafique A, Reggiani-Guzzo M, Ren L, Rochester L, Rodriguez Rondon J, Rosenberg M, Ross-Lonergan M, Rudolf von Rohr C, Safa I, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Shi J, Snider EL, Soderberg M, Söldner-Rembold S, Spitz J, Stancari M, John JS, Strauss T, Szelc AM, Tang W, Taniuchi N, Terao K, Thorpe C, Torbunov D, Totani D, Toups M, Tsai YT, Tyler J, Uchida MA, Usher T, Viren B, Weber M, Wei H, White AJ, Wolbers S, Wongjirad T, Wospakrik M, Wresilo K, Wu W, Yandel E, Yang T, Yates LE, Yu HW, Zeller GP, Zennamo J, and Zhang C

Abstract

We present a first search for dark-trident scattering in a neutrino beam using a dataset corresponding to 7.2×10^{20} protons on target taken with the MicroBooNE detector at Fermilab. Proton interactions in the neutrino target at the main injector produce π^{0} and η mesons, which could decay into dark-matter (DM) particles mediated via a dark photon A^{'}. A convolutional neural network is trained to identify interactions of the DM particles in the liquid-argon time projection chamber (LArTPC) exploiting its imagelike reconstruction capability. In the absence of a DM signal, we provide limits at the 90% confidence level on the squared kinematic mixing parameter ϵ^{2} as a function of the dark-photon mass in the range 10≤M&#95;{A^{'}}≤400  MeV. The limits cover previously unconstrained parameter space for the production of fermion or scalar DM particles χ for two benchmark models with mass ratios M&#95;{χ}/M&#95;{A^{'}}=0.6 and 2 and for dark fine-structure constants 0.1≤α&#95;{D}≤1.

Published
2024
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15. First Measurement of η Meson Production in Neutrino Interactions on Argon with MicroBooNE.

Author

Abratenko P, Alterkait O, Andrade Aldana D, Anthony J, Arellano L, Asaadi J, Ashkenazi A, Balasubramanian S, Baller B, Barr G, Barrow J, Basque V, Benevides Rodrigues O, Berkman S, Bhanderi A, Bhat A, Bhattacharya M, Bishai M, Blake A, Bogart B, Bolton T, Book JY, Camilleri L, Cao Y, Caratelli D, Caro Terrazas I, Cavanna F, Cerati G, Chen Y, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Del Tutto M, Dennis SR, Detje P, Devitt A, Diurba R, Djurcic Z, Dorrill R, Duffy K, Dytman S, Eberly B, Englezos P, Ereditato A, Evans JJ, Fine R, Finnerud OG, Foreman W, Fleming BT, Foppiani N, Franco D, Furmanski AP, Garcia-Gamez D, Gardiner S, Ge G, Gollapinni S, Goodwin O, Gramellini E, Green P, Greenlee H, Gu W, Guenette R, Guzowski P, Hagaman L, Hen O, Hicks R, Hilgenberg C, Horton-Smith GA, Imani Z, Irwin B, Itay R, James C, Ji X, Jiang L, Jo JH, Johnson RA, Jwa YJ, Kalra D, Kamp N, Karagiorgi G, Ketchum W, Kirby M, Kobilarcik T, Kreslo I, Leibovitch MB, Lepetic I, Li JY, Li K, Li Y, Lin K, Littlejohn BR, Louis WC, Luo X, Mariani C, Marsden D, Marshall J, Martinez N, Martinez Caicedo DA, Mason K, Mastbaum A, McConkey N, Meddage V, Miller K, Mills J, Mogan A, Mohayai T, Mooney M, Moor AF, Moore CD, Mora Lepin L, Mulleriababu S, Naples D, Navrer-Agasson A, Nayak N, Nebot-Guinot M, Nowak J, Oza N, Palamara O, Pallat N, Paolone V, Papadopoulou A, Papavassiliou V, Parkinson HB, Pate SF, Patel N, Pavlovic Z, Piasetzky E, Ponce-Pinto ID, Pophale I, Prince S, Qian X, Raaf JL, Radeka V, Rafique A, Reggiani-Guzzo M, Ren L, Rochester L, Rodriguez Rondon J, Rosenberg M, Ross-Lonergan M, Rudolf von Rohr C, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Shi J, Snider EL, Soderberg M, Söldner-Rembold S, Spitz J, Stancari M, John JS, Strauss T, Sword-Fehlberg S, Szelc AM, Tang W, Taniuchi N, Terao K, Thorpe C, Torbunov D, Totani D, Toups M, Tsai YT, Tyler J, Uchida MA, Usher T, Viren B, Weber M, Wei H, White AJ, Williams Z, Wolbers S, Wongjirad T, Wospakrik M, Wresilo K, Wright N, Wu W, Yandel E, Yang T, Yates LE, Yu HW, Zeller GP, Zennamo J, and Zhang C

Abstract

We present a measurement of η production from neutrino interactions on argon with the MicroBooNE detector. The modeling of resonant neutrino interactions on argon is a critical aspect of the neutrino oscillation physics program being carried out by the DUNE and Short Baseline Neutrino programs. η production in neutrino interactions provides a powerful new probe of resonant interactions, complementary to pion channels, and is particularly suited to the study of higher-order resonances beyond the Δ(1232). We measure a flux-integrated cross section for neutrino-induced η production on argon of 3.22±0.84(stat)±0.86(syst) 10^{-41}  cm^{2}/nucleon. By demonstrating the successful reconstruction of the two photons resulting from η production, this analysis enables a novel calibration technique for electromagnetic showers in GeV accelerator neutrino experiments.

Published
2024
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16. Search for Heavy Neutral Leptons in Electron-Positron and Neutral-Pion Final States with the MicroBooNE Detector.

Author

Abratenko P, Alterkait O, Andrade Aldana D, Arellano L, Asaadi J, Ashkenazi A, Balasubramanian S, Baller B, Barr G, Barrow D, Barrow J, Basque V, Benevides Rodrigues O, Berkman S, Bhanderi A, Bhat A, Bhattacharya M, Bishai M, Blake A, Bogart B, Bolton T, Book JY, Brunetti MB, Camilleri L, Cao Y, Caratelli D, Cavanna F, Cerati G, Chappell A, Chen Y, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Cross R, Del Tutto M, Dennis SR, Detje P, Devitt A, Diurba R, Djurcic Z, Dorrill R, Duffy K, Dytman S, Eberly B, Englezos P, Ereditato A, Evans JJ, Fine R, Finnerud OG, Foreman W, Fleming BT, Franco D, Furmanski AP, Gao F, Garcia-Gamez D, Gardiner S, Ge G, Gollapinni S, Gramellini E, Green P, Greenlee H, Gu L, Gu W, Guenette R, Guzowski P, Hagaman L, Hen O, Hilgenberg C, Horton-Smith GA, Imani Z, Irwin B, Ismail M, James C, Ji X, Jo JH, Johnson RA, Jwa YJ, Kalra D, Kamp N, Karagiorgi G, Ketchum W, Kirby M, Kobilarcik T, Kreslo I, Leibovitch MB, Lepetic I, Li JY, Li K, Li Y, Lin K, Littlejohn BR, Liu H, Louis WC, Luo X, Mariani C, Marsden D, Marshall J, Martinez N, Martinez Caicedo DA, Martynenko S, Mastbaum A, Mawby I, McConkey N, Meddage V, Micallef J, Miller K, Mogan A, Mohayai T, Mooney M, Moor AF, Moore CD, Mora Lepin L, Moudgalya MM, Mulleriababu S, Naples D, Navrer-Agasson A, Nayak N, Nebot-Guinot M, Nowak J, Oza N, Palamara O, Pallat N, Paolone V, Papadopoulou A, Papavassiliou V, Parkinson HB, Pate SF, Patel N, Pavlovic Z, Piasetzky E, Pophale I, Qian X, Raaf JL, Radeka V, Rafique A, Reggiani-Guzzo M, Ren L, Rochester L, Rodriguez Rondon J, Rosenberg M, Ross-Lonergan M, Rudolf von Rohr C, Safa I, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Shi J, Snider EL, Soderberg M, Söldner-Rembold S, Spitz J, Stancari M, St John J, Strauss T, Szelc AM, Tang W, Taniuchi N, Terao K, Thorpe C, Torbunov D, Totani D, Toups M, Tsai YT, Tyler J, Uchida MA, Usher T, Viren B, Weber M, Wei H, White AJ, Wolbers S, Wongjirad T, Wospakrik M, Wresilo K, Wu W, Yandel E, Yang T, Yates LE, Yu HW, Zeller GP, Zennamo J, and Zhang C

Abstract

We present the first search for heavy neutral leptons (HNLs) decaying into νe^{+}e^{-} or νπ^{0} final states in a liquid-argon time projection chamber using data collected with the MicroBooNE detector. The data were recorded synchronously with the NuMI neutrino beam from Fermilab's main injector corresponding to a total exposure of 7.01×10^{20} protons on target. We set upper limits at the 90% confidence level on the mixing parameter |U&#95;{μ4}|^{2} in the mass ranges 10≤m&#95;{HNL}≤150  MeV for the νe^{+}e^{-} channel and 150≤m&#95;{HNL}≤245  MeV for the νπ^{0} channel, assuming |U&#95;{e4}|^{2}=|U&#95;{τ4}|^{2}=0. These limits represent the most stringent constraints in the mass range 35

Published
2024
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17. First Double-Differential Measurement of Kinematic Imbalance in Neutrino Interactions with the MicroBooNE Detector.

Author

Abratenko P, Alterkait O, Andrade Aldana D, Anthony J, Arellano L, Asaadi J, Ashkenazi A, Balasubramanian S, Baller B, Barr G, Barrow J, Basque V, Benevides Rodrigues O, Berkman S, Bhanderi A, Bhattacharya M, Bishai M, Blake A, Bogart B, Bolton T, Book JY, Camilleri L, Caratelli D, Caro Terrazas I, Cavanna F, Cerati G, Chen Y, Cohen EO, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Del Tutto M, Dennis SR, Detje P, Devitt A, Diurba R, Djurcic Z, Dorrill R, Duffy K, Dytman S, Eberly B, Ereditato A, Evans JJ, Fine R, Finnerud OG, Foreman W, Fleming BT, Foppiani N, Franco D, Furmanski AP, Garcia-Gamez D, Gardiner S, Ge G, Gollapinni S, Goodwin O, Gramellini E, Green P, Greenlee H, Gu W, Guenette R, Guzowski P, Hagaman L, Hen O, Hicks R, Hilgenberg C, Horton-Smith GA, Irwin B, Itay R, James C, Ji X, Jiang L, Jo JH, Johnson RA, Jwa YJ, Kalra D, Kamp N, Karagiorgi G, Ketchum W, Kirby M, Kobilarcik T, Kreslo I, Leibovitch MB, Lepetic I, Li JY, Li K, Li Y, Lin K, Littlejohn BR, Louis WC, Luo X, Mariani C, Marsden D, Marshall J, Martinez N, Martinez Caicedo DA, Mason K, Mastbaum A, McConkey N, Meddage V, Miller K, Mills J, Mogan A, Mohayai T, Mooney M, Moor AF, Moore CD, Mora Lepin L, Mousseau J, Mulleriababu S, Naples D, Navrer-Agasson A, Nayak N, Nebot-Guinot M, Nowak J, Oza N, Palamara O, Pallat N, Paolone V, Papadopoulou A, Papavassiliou V, Parkinson HB, Pate SF, Patel N, Pavlovic Z, Piasetzky E, Ponce-Pinto ID, Pophale I, Prince S, Qian X, Raaf JL, Radeka V, Rafique A, Reggiani-Guzzo M, Ren L, Rochester L, Rodriguez Rondon J, Rosenberg M, Ross-Lonergan M, Rudolf von Rohr C, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Shi J, Snider EL, Soderberg M, Söldner-Rembold S, Spitz J, Stancari M, John JS, Strauss T, Sword-Fehlberg S, Szelc AM, Tang W, Taniuchi N, Terao K, Thorpe C, Torbunov D, Totani D, Toups M, Tsai YT, Tyler J, Uchida MA, Usher T, Viren B, Weber M, Wei H, White AJ, Williams Z, Wolbers S, Wongjirad T, Wospakrik M, Wresilo K, Wright N, Wu W, Yandel E, Yang T, Yates LE, Yu HW, Zeller GP, Zennamo J, and Zhang C

Abstract

We report the first measurement of flux-integrated double-differential quasielasticlike neutrino-argon cross sections, which have been made using the Booster Neutrino Beam and the MicroBooNE detector at Fermi National Accelerator Laboratory. The data are presented as a function of kinematic imbalance variables which are sensitive to nuclear ground-state distributions and hadronic reinteraction processes. We find that the measured cross sections in different phase-space regions are sensitive to different nuclear effects. Therefore, they enable the impact of specific nuclear effects on the neutrino-nucleus interaction to be isolated more completely than was possible using previous single-differential cross section measurements. Our results provide precision data to help test and improve neutrino-nucleus interaction models. They further support ongoing neutrino-oscillation studies by establishing phase-space regions where precise reaction modeling has already been achieved.

Published
2023
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18. First Measurement of Quasielastic Λ Baryon Production in Muon Antineutrino Interactions in the MicroBooNE Detector.

Author

Abratenko P, Andrade Aldana D, Anthony J, Arellano L, Asaadi J, Ashkenazi A, Balasubramanian S, Baller B, Barr G, Barrow J, Basque V, Benevides Rodrigues O, Berkman S, Bhanderi A, Bhattacharya M, Bishai M, Blake A, Bogart B, Bolton T, Book JY, Camilleri L, Caratelli D, Caro Terrazas I, Cavanna F, Cerati G, Chen Y, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Del Tutto M, Dennis SR, Detje P, Devitt A, Diurba R, Djurcic Z, Dorrill R, Duffy K, Dytman S, Eberly B, Ereditato A, Evans JJ, Fine R, Finnerud OG, Foreman W, Fleming BT, Foppiani N, Franco D, Furmanski AP, Garcia-Gamez D, Gardiner S, Ge G, Gollapinni S, Goodwin O, Gramellini E, Green P, Greenlee H, Gu W, Guenette R, Guzowski P, Hagaman L, Hen O, Hicks R, Hilgenberg C, Horton-Smith GA, Irwin B, Itay R, James C, Ji X, Jiang L, Jo JH, Johnson RA, Jwa YJ, Kalra D, Kamp N, Karagiorgi G, Ketchum W, Kirby M, Kobilarcik T, Kreslo I, Leibovitch MB, Lepetic I, Li JY, Li K, Li Y, Lin K, Littlejohn BR, Louis WC, Luo X, Mariani C, Marsden D, Marshall J, Martinez N, Martinez Caicedo DA, Mason K, Mastbaum A, McConkey N, Meddage V, Miller K, Mills J, Mogan A, Mohayai T, Mooney M, Moor AF, Moore CD, Mora Lepin L, Mousseau J, Mulleriababu S, Naples D, Navrer-Agasson A, Nayak N, Nebot-Guinot M, Nowak J, Nunes M, Oza N, Palamara O, Pallat N, Paolone V, Papadopoulou A, Papavassiliou V, Parkinson HB, Pate SF, Patel N, Pavlovic Z, Piasetzky E, Ponce-Pinto ID, Pophale I, Prince S, Qian X, Raaf JL, Radeka V, Rafique A, Reggiani-Guzzo M, Ren L, Rochester L, Rodriguez Rondon J, Rosenberg M, Ross-Lonergan M, Rudolf von Rohr C, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Shi J, Snider EL, Soderberg M, Söldner-Rembold S, Spitz J, Stancari M, John JS, Strauss T, Sword-Fehlberg S, Szelc AM, Tang W, Taniuchi N, Terao K, Thorpe C, Torbunov D, Totani D, Toups M, Tsai YT, Tyler J, Uchida MA, Usher T, Viren B, Weber M, Wei H, White AJ, Williams Z, Wolbers S, Wongjirad T, Wospakrik M, Wresilo K, Wright N, Wu W, Yandel E, Yang T, Yates LE, Yu HW, Zeller GP, Zennamo J, and Zhang C

Subjects
Protons, Computer Simulation, Monte Carlo Method, Mesons
Abstract

We present the first measurement of the cross section of Cabibbo-suppressed Λ baryon production, using data collected with the MicroBooNE detector when exposed to the neutrinos from the main injector beam at the Fermi National Accelerator Laboratory. The data analyzed correspond to 2.2×10^{20} protons on target running in neutrino mode, and 4.9×10^{20} protons on target running in anti-neutrino mode. An automated selection is combined with hand scanning, with the former identifying five candidate Λ production events when the signal was unblinded, consistent with the GENIE prediction of 5.3±1.1 events. Several scanners were employed, selecting between three and five events, compared with a prediction from a blinded Monte Carlo simulation study of 3.7±1.0 events. Restricting the phase space to only include Λ baryons that decay above MicroBooNE's detection thresholds, we obtain a flux averaged cross section of 2.0&#95;{-1.7}^{+2.2}×10^{-40}  cm^{2}/Ar, where statistical and systematic uncertainties are combined.

Published
2023
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19. First Constraints on Light Sterile Neutrino Oscillations from Combined Appearance and Disappearance Searches with the MicroBooNE Detector.

Author

Abratenko P, Andrade Aldana D, Anthony J, Arellano L, Asaadi J, Ashkenazi A, Balasubramanian S, Baller B, Barr G, Barrow J, Basque V, Bathe-Peters L, Benevides Rodrigues O, Berkman S, Bhanderi A, Bhattacharya M, Bishai M, Blake A, Bogart B, Bolton T, Book JY, Camilleri L, Caratelli D, Caro Terrazas I, Cavanna F, Cerati G, Chen Y, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Del Tutto M, Dennis SR, Detje P, Devitt A, Diurba R, Dorrill R, Duffy K, Dytman S, Eberly B, Ereditato A, Evans JJ, Fine R, Finnerud OG, Foreman W, Fleming BT, Foppiani N, Franco D, Furmanski AP, Garcia-Gamez D, Gardiner S, Ge G, Gollapinni S, Goodwin O, Gramellini E, Green P, Greenlee H, Gu W, Guenette R, Guzowski P, Hagaman L, Hen O, Hicks R, Hilgenberg C, Horton-Smith GA, Irwin B, Itay R, James C, Ji X, Jiang L, Jo JH, Johnson RA, Jwa YJ, Kalra D, Kamp N, Karagiorgi G, Ketchum W, Kirby M, Kobilarcik T, Kreslo I, Leibovitch MB, Lepetic I, Li JY, Li K, Li Y, Lin K, Littlejohn BR, Louis WC, Luo X, Manivannan K, Mariani C, Marsden D, Marshall J, Martinez N, Martinez Caicedo DA, Mason K, Mastbaum A, McConkey N, Meddage V, Miller K, Mills J, Mogan A, Mohayai T, Mooney M, Moor AF, Moore CD, Mora Lepin L, Mousseau J, Mulleriababu S, Naples D, Navrer-Agasson A, Nayak N, Nebot-Guinot M, Nowak J, Nunes M, Oza N, Palamara O, Pallat N, Paolone V, Papadopoulou A, Papavassiliou V, Parkinson HB, Pate SF, Patel N, Pavlovic Z, Piasetzky E, Ponce-Pinto ID, Pophale I, Prince S, Qian X, Raaf JL, Radeka V, Reggiani-Guzzo M, Ren L, Rochester L, Rodriguez Rondon J, Rosenberg M, Ross-Lonergan M, Rudolf von Rohr C, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Shi J, Smith A, Snider EL, Soderberg M, Söldner-Rembold S, Spitz J, Stancari M, St John J, Strauss T, Sword-Fehlberg S, Szelc AM, Tang W, Taniuchi N, Terao K, Thorpe C, Torbunov D, Totani D, Toups M, Tsai YT, Tyler J, Uchida MA, Usher T, Viren B, Weber M, Wei H, White AJ, Williams Z, Wolbers S, Wongjirad T, Wospakrik M, Wresilo K, Wright N, Wu W, Yandel E, Yang T, Yates LE, Yu HW, Zeller GP, Zennamo J, and Zhang C

Abstract

We present a search for eV-scale sterile neutrino oscillations in the MicroBooNE liquid argon detector, simultaneously considering all possible appearance and disappearance effects within the 3+1 active-to-sterile neutrino oscillation framework. We analyze the neutrino candidate events for the recent measurements of charged-current ν&#95;{e} and ν&#95;{μ} interactions in the MicroBooNE detector, using data corresponding to an exposure of 6.37×10^{20} protons on target from the Fermilab booster neutrino beam. We observe no evidence of light sterile neutrino oscillations and derive exclusion contours at the 95% confidence level in the plane of the mass-squared splitting Δm&#95;{41}^{2} and the sterile neutrino mixing angles θ&#95;{μe} and θ&#95;{ee}, excluding part of the parameter space allowed by experimental anomalies. Cancellation of ν&#95;{e} appearance and ν&#95;{e} disappearance effects due to the full 3+1 treatment of the analysis leads to a degeneracy when determining the oscillation parameters, which is discussed in this Letter and will be addressed by future analyses.

Published
2023
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20. MiniBooNE and MicroBooNE Combined Fit to a 3+1 Sterile Neutrino Scenario.

Author

Aguilar-Arevalo AA, Brown BC, Conrad JM, Dharmapalan R, Diaz A, Djurcic Z, Finley DA, Ford R, Garvey GT, Gollapinni S, Hourlier A, Huang EC, Kamp NW, Karagiorgi G, Katori T, Kobilarcik T, Lin K, Louis WC, Mariani C, Marsh W, Mills GB, Mirabal-Martinez J, Moore CD, Nelson RH, Nowak J, Pavlovic Z, Ray H, Roe BP, Russell AD, Schneider A, Shaevitz MH, Spitz J, Stancu I, Tayloe R, Thornton RT, Tzanov M, Van de Water RG, White DH, and Zimmerman ED

Abstract

This Letter presents the results from the MiniBooNE experiment within a full "3+1" scenario where one sterile neutrino is introduced to the three-active-neutrino picture. In addition to electron-neutrino appearance at short baselines, this scenario also allows for disappearance of the muon-neutrino and electron-neutrino fluxes in the Booster Neutrino Beam, which is shared by the MicroBooNE experiment. We present the 3+1 fit to the MiniBooNE electron-(anti)neutrino and muon-(anti)neutrino data alone and in combination with MicroBooNE electron-neutrino data. The best-fit parameters of the combined fit with the exclusive charged-current quasielastic analysis (inclusive analysis) are Δm^{2}=0.209  eV^{2}(0.033  eV^{2}), |U&#95;{e4}|^{2}=0.016(0.500), |U&#95;{μ4}|^{2}=0.500(0.500), and sin^{2}(2θ&#95;{μe})=0.0316(1.0). Comparing the no-oscillation scenario to the 3+1 model, the data prefer the 3+1 model with a Δχ^{2}/d.o.f.=24.7/3(17.3/3), a 4.3σ(3.4σ) preference assuming the asymptotic approximation given by Wilks's theorem.

Published
2022
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21. Search for an Excess of Electron Neutrino Interactions in MicroBooNE Using Multiple Final-State Topologies.

Author

Abratenko P, An R, Anthony J, Arellano L, Asaadi J, Ashkenazi A, Balasubramanian S, Baller B, Barnes C, Barr G, Basque V, Bathe-Peters L, Benevides Rodrigues O, Berkman S, Bhanderi A, Bhat A, Bishai M, Blake A, Bolton T, Book JY, Camilleri L, Caratelli D, Caro Terrazas I, Cavanna F, Cerati G, Chen Y, Cianci D, Collin GH, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Del Tutto M, Dennis SR, Detje P, Devitt A, Diurba R, Dorrill R, Duffy K, Dytman S, Eberly B, Ereditato A, Escudero Sanchez L, Evans JJ, Fine R, Fiorentini Aguirre GA, Fitzpatrick RS, Fleming BT, Foppiani N, Franco D, Furmanski AP, Garcia-Gamez D, Gardiner S, Ge G, Genty V, Gollapinni S, Goodwin O, Gramellini E, Green P, Greenlee H, Gu W, Guenette R, Guzowski P, Hagaman L, Hen O, Hilgenberg C, Horton-Smith GA, Hourlier A, Itay R, James C, Ji X, Jiang L, Jo JH, Johnson RA, Jwa YJ, Kaleko D, Kalra D, Kamp N, Kaneshige N, Karagiorgi G, Ketchum W, Kirby M, Kobilarcik T, Kreslo I, LaZur R, Lepetic I, Li K, Li Y, Lin K, Lister A, Littlejohn BR, Louis WC, Luo X, Manivannan K, Mariani C, Marsden D, Marshall J, Martinez Caicedo DA, Mason K, Mastbaum A, McConkey N, Meddage V, Mettler T, Miller K, Mills J, Mistry K, Mogan A, Mohayai T, Moon J, Mooney M, Moor AF, Moore CD, Mora Lepin L, Mousseau J, Murphy M, Naples D, Navrer-Agasson A, Nebot-Guinot M, Neely RK, Newmark DA, Nowak J, Nunes M, Palamara O, Paolone V, Papadopoulou A, Papavassiliou V, Pate SF, Patel N, Paudel A, Pavlovic Z, Piasetzky E, Ponce-Pinto ID, Prince S, Qian X, Raaf JL, Radeka V, Rafique A, Reggiani-Guzzo M, Ren L, Rice LCJ, Rochester L, Rodriguez Rondon J, Rosenberg M, Ross-Lonergan M, Russell B, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Shi J, Sinclair J, Smith A, Snider EL, Soderberg M, Söldner-Rembold S, Soleti SR, Spentzouris P, Spitz J, Stancari M, John JS, Strauss T, Sutton K, Sword-Fehlberg S, Szelc AM, Tang W, Terao K, Thomson M, Thorpe C, Totani D, Toups M, Tsai YT, Uchida MA, Usher T, Van De Pontseele W, Viren B, Weber M, Wei H, Williams Z, Wolbers S, Wongjirad T, Wospakrik M, Wresilo K, Wright N, Wu W, Yandel E, Yang T, Yarbrough G, Yates LE, Yu HW, Zeller GP, Zennamo J, and Zhang C

Abstract

We present a measurement of ν&#95;{e} interactions from the Fermilab Booster Neutrino Beam using the MicroBooNE liquid argon time projection chamber to address the nature of the excess of low energy interactions observed by the MiniBooNE Collaboration. Three independent ν&#95;{e} searches are performed across multiple single electron final states, including an exclusive search for two-body scattering events with a single proton, a semi-inclusive search for pionless events, and a fully inclusive search for events containing all hadronic final states. With differing signal topologies, statistics, backgrounds, reconstruction algorithms, and analysis approaches, the results are found to be either consistent with or modestly lower than the nominal ν&#95;{e} rate expectations from the Booster Neutrino Beam and no excess of ν&#95;{e} events is observed.

Published
2022
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22. First Measurement of Energy-Dependent Inclusive Muon Neutrino Charged-Current Cross Sections on Argon with the MicroBooNE Detector.

Author

Abratenko P, An R, Anthony J, Arellano L, Asaadi J, Ashkenazi A, Balasubramanian S, Baller B, Barnes C, Barr G, Basque V, Bathe-Peters L, Benevides Rodrigues O, Berkman S, Bhanderi A, Bhat A, Bishai M, Blake A, Bolton T, Book JY, Camilleri L, Caratelli D, Caro Terrazas I, Cavanna F, Cerati G, Chen Y, Cianci D, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Del Tutto M, Dennis SR, Detje P, Devitt A, Diurba R, Dorrill R, Duffy K, Dytman S, Eberly B, Ereditato A, Evans JJ, Fine R, Fiorentini Aguirre GA, Fitzpatrick RS, Fleming BT, Foppiani N, Franco D, Furmanski AP, Garcia-Gamez D, Gardiner S, Ge G, Gollapinni S, Goodwin O, Gramellini E, Green P, Greenlee H, Gu W, Guenette R, Guzowski P, Hagaman L, Hen O, Hilgenberg C, Horton-Smith GA, Hourlier A, Itay R, James C, Ji X, Jiang L, Jo JH, Johnson RA, Jwa YJ, Kalra D, Kamp N, Kaneshige N, Karagiorgi G, Ketchum W, Kirby M, Kobilarcik T, Kreslo I, Lepetic I, Li K, Li Y, Lin K, Littlejohn BR, Louis WC, Luo X, Manivannan K, Mariani C, Marsden D, Marshall J, Martinez Caicedo DA, Mason K, Mastbaum A, McConkey N, Meddage V, Mettler T, Miller K, Mills J, Mistry K, Mogan A, Mohayai T, Moon J, Mooney M, Moor AF, Moore CD, Mora Lepin L, Mousseau J, Murphy M, Naples D, Navrer-Agasson A, Nebot-Guinot M, Neely RK, Newmark DA, Nowak J, Nunes M, Palamara O, Paolone V, Papadopoulou A, Papavassiliou V, Pate SF, Patel N, Paudel A, Pavlovic Z, Piasetzky E, Ponce-Pinto ID, Prince S, Qian X, Raaf JL, Radeka V, Rafique A, Reggiani-Guzzo M, Ren L, Rice LCJ, Rochester L, Rodriguez Rondon J, Rosenberg M, Ross-Lonergan M, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Shi J, Sinclair J, Smith A, Snider EL, Soderberg M, Söldner-Rembold S, Spentzouris P, Spitz J, Stancari M, John JS, Strauss T, Sutton K, Sword-Fehlberg S, Szelc AM, Tang W, Terao K, Thorpe C, Totani D, Toups M, Tsai YT, Uchida MA, Usher T, Van De Pontseele W, Viren B, Weber M, Wei H, Williams Z, Wolbers S, Wongjirad T, Wospakrik M, Wresilo K, Wright N, Wu W, Yandel E, Yang T, Yarbrough G, Yates LE, Yu HW, Zeller GP, Zennamo J, and Zhang C

Abstract

We report a measurement of the energy-dependent total charged-current cross section σ(E&#95;{ν}) for inclusive muon neutrinos scattering on argon, as well as measurements of flux-averaged differential cross sections as a function of muon energy and hadronic energy transfer (ν). Data corresponding to 5.3×10^{19} protons on target of exposure were collected using the MicroBooNE liquid argon time projection chamber located in the Fermilab booster neutrino beam with a mean neutrino energy of approximately 0.8 GeV. The mapping between the true neutrino energy E&#95;{ν} and reconstructed neutrino energy E&#95;{ν}^{rec} and between the energy transfer ν and reconstructed hadronic energy E&#95;{had}^{rec} are validated by comparing the data and Monte Carlo (MC) predictions. In particular, the modeling of the missing hadronic energy and its associated uncertainties are verified by a new method that compares the E&#95;{had}^{rec} distributions between data and a MC prediction after constraining the reconstructed muon kinematic distributions, energy, and polar angle to those of data. The success of this validation gives confidence that the missing energy in the MicroBooNE detector is well modeled and underpins first-time measurements of both the total cross section σ(E&#95;{ν}) and the differential cross section dσ/dν on argon.

Published
2022
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23. Search for Neutrino-Induced Neutral-Current Δ Radiative Decay in MicroBooNE and a First Test of the MiniBooNE Low Energy Excess under a Single-Photon Hypothesis.

Author

Abratenko P, An R, Anthony J, Arellano L, Asaadi J, Ashkenazi A, Balasubramanian S, Baller B, Barnes C, Barr G, Basque V, Bathe-Peters L, Benevides Rodrigues O, Berkman S, Bhanderi A, Bhat A, Bishai M, Blake A, Bolton T, Book JY, Camilleri L, Caratelli D, Caro Terrazas I, Castillo Fernandez R, Cavanna F, Cerati G, Chen Y, Cianci D, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Del Tutto M, Dennis SR, Detje P, Devitt A, Diurba R, Dorrill R, Duffy K, Dytman S, Eberly B, Ereditato A, Evans JJ, Fine R, Fiorentini Aguirre GA, Fitzpatrick RS, Fleming BT, Foppiani N, Franco D, Furmanski AP, Garcia-Gamez D, Gardiner S, Ge G, Gollapinni S, Goodwin O, Gramellini E, Green P, Greenlee H, Gu W, Guenette R, Guzowski P, Hagaman L, Hen O, Hilgenberg C, Horton-Smith GA, Hourlier A, Itay R, James C, Ji X, Jiang L, Jo JH, Johnson RA, Jwa YJ, Kalra D, Kamp N, Kaneshige N, Karagiorgi G, Ketchum W, Kirby M, Kobilarcik T, Kreslo I, LaZur R, Lepetic I, Li K, Li Y, Lin K, Littlejohn BR, Louis WC, Luo X, Manivannan K, Mariani C, Marsden D, Marshall J, Martinez Caicedo DA, Mason K, Mastbaum A, McConkey N, Meddage V, Mettler T, Miller K, Mills J, Mistry K, Mogan A, Mohayai T, Moon J, Mooney M, Moor AF, Moore CD, Mora Lepin L, Mousseau J, Murphy M, Murrells R, Naples D, Navrer-Agasson A, Nebot-Guinot M, Neely RK, Newmark DA, Nowak J, Nunes M, Palamara O, Paolone V, Papadopoulou A, Papavassiliou V, Pate SF, Patel N, Paudel A, Pavlovic Z, Piasetzky E, Ponce-Pinto ID, Prince S, Qian X, Raaf JL, Radeka V, Rafique A, Reggiani-Guzzo M, Ren L, Rice LCJ, Rochester L, Rodriguez Rondon J, Rosenberg M, Ross-Lonergan M, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Shi J, Sinclair J, Smith A, Snider EL, Soderberg M, Söldner-Rembold S, Spentzouris P, Spitz J, Stancari M, John JS, Strauss T, Sutton K, Sword-Fehlberg S, Szelc AM, Tang W, Terao K, Thorpe C, Totani D, Toups M, Tsai YT, Uchida MA, Usher T, Van De Pontseele W, Viren B, Weber M, Wei H, Williams Z, Wolbers S, Wongjirad T, Wospakrik M, Wresilo K, Wright N, Wu W, Yandel E, Yang T, Yarbrough G, Yates LE, Yu HW, Zeller GP, Zennamo J, and Zhang C

Abstract

We report results from a search for neutrino-induced neutral current (NC) resonant Δ(1232) baryon production followed by Δ radiative decay, with a ⟨0.8⟩  GeV neutrino beam. Data corresponding to MicroBooNE's first three years of operations (6.80×10^{20} protons on target) are used to select single-photon events with one or zero protons and without charged leptons in the final state (1γ1p and 1γ0p, respectively). The background is constrained via an in situ high-purity measurement of NC π^{0} events, made possible via dedicated 2γ1p and 2γ0p selections. A total of 16 and 153 events are observed for the 1γ1p and 1γ0p selections, respectively, compared to a constrained background prediction of 20.5±3.65(syst) and 145.1±13.8(syst) events. The data lead to a bound on an anomalous enhancement of the normalization of NC Δ radiative decay of less than 2.3 times the predicted nominal rate for this process at the 90% confidence level (C.L.). The measurement disfavors a candidate photon interpretation of the MiniBooNE low-energy excess as a factor of 3.18 times the nominal NC Δ radiative decay rate at the 94.8% C.L., in favor of the nominal prediction, and represents a greater than 50-fold improvement over the world's best limit on single-photon production in NC interactions in the sub-GeV neutrino energy range.

Published
2022
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24. Search for a Higgs Portal Scalar Decaying to Electron-Positron Pairs in the MicroBooNE Detector.

Author

Abratenko P, An R, Anthony J, Asaadi J, Ashkenazi A, Balasubramanian S, Baller B, Barnes C, Barr G, Basque V, Bathe-Peters L, Benevides Rodrigues O, Berkman S, Bhanderi A, Bhat A, Bishai M, Blake A, Bolton T, Book JY, Camilleri L, Caratelli D, Caro Terrazas I, Castillo Fernandez R, Cavanna F, Cerati G, Chen Y, Cianci D, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Del Tutto M, Dennis SR, Devitt D, Diurba R, Dorrill R, Duffy K, Dytman S, Eberly B, Ereditato A, Evans JJ, Fine R, Fiorentini Aguirre GA, Fitzpatrick RS, Fleming BT, Foppiani N, Franco D, Furmanski AP, Garcia-Gamez D, Gardiner S, Ge G, Gollapinni S, Goodwin O, Gramellini E, Green P, Greenlee H, Gu W, Guenette R, Guzowski P, Hagaman L, Hall E, Hen O, Horton-Smith GA, Hourlier A, Itay R, James C, Ji X, Jiang L, Jo JH, Johnson RA, Jwa YJ, Kamp N, Kaneshige N, Karagiorgi G, Ketchum W, Kirby M, Kobilarcik T, Kreslo I, LaZur R, Lepetic I, Li K, Li Y, Lin K, Littlejohn BR, Louis WC, Luo X, Manivannan K, Mariani C, Marsden D, Marshall J, Martinez Caicedo DA, Mason K, Mastbaum A, McConkey N, Meddage V, Mettler T, Miller K, Mills J, Mistry K, Mogan A, Mohayai T, Moon J, Mooney M, Moor AF, Moore CD, Mora Lepin L, Mousseau J, Murphy M, Naples D, Navrer-Agasson A, Neely RK, Nowak J, Nunes M, Palamara O, Paolone V, Papadopoulou A, Papavassiliou V, Pate SF, Paudel A, Pavlovic Z, Piasetzky E, Ponce-Pinto ID, Prince S, Qian X, Raaf JL, Radeka V, Rafique A, Reggiani-Guzzo M, Ren L, Rice LCJ, Rochester L, Rodriguez Rondon J, Rogers HE, Rosenberg M, Ross-Lonergan M, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Shi J, Siegel H, Sinclair J, Smith A, Snider EL, Soderberg M, Söldner-Rembold S, Spentzouris P, Spitz J, Stancari M, John JS, Strauss T, Sutton K, Sword-Fehlberg S, Szelc AM, Tagg N, Tang W, Terao K, Thorpe C, Totani D, Toups M, Tsai YT, Uchida MA, Usher T, Van De Pontseele W, Viren B, Weber M, Wei H, Williams Z, Wolbers S, Wongjirad T, Wospakrik M, Wresilo K, Wright N, Wu W, Yandel E, Yang T, Yarbrough G, Yates LE, Zeller GP, Zennamo J, and Zhang C

Abstract

We present a search for the decays of a neutral scalar boson produced by kaons decaying at rest, in the context of the Higgs portal model, using the MicroBooNE detector. We analyze data triggered in time with the Fermilab NuMI neutrino beam spill, with an exposure of 1.93×10^{20} protons on target. We look for monoenergetic scalars that come from the direction of the NuMI hadron absorber, at a distance of 100 m from the detector, and decay to electron-positron pairs. We observe one candidate event, with a standard model background prediction of 1.9±0.8. We set an upper limit on the scalar-Higgs mixing angle of θ<(3.3-4.6)×10^{-4} at the 95% confidence level for scalar boson masses in the range (100-200)  MeV/c^{2}. We exclude, at the 95% confidence level, the remaining model parameters required to explain the central value of a possible excess of K&#95;{L}^{0}→π^{0}νν[over ¯] decays reported by the KOTO collaboration. We also provide a model-independent limit on a new boson X produced in K→πX decays and decaying to e^{+}e^{-}.

Published
2021
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25. First Measurement of Differential Charged Current Quasielasticlike ν&#95;{μ}-Argon Scattering Cross Sections with the MicroBooNE Detector.

Author

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

Abstract

We report on the first measurement of flux-integrated single differential cross sections for charged-current (CC) muon neutrino (ν&#95;{μ}) scattering on argon with a muon and a proton in the final state, ^{40}Ar (ν&#95;{μ},μp)X. The measurement was carried out using the Booster Neutrino Beam at Fermi National Accelerator Laboratory and the MicroBooNE liquid argon time projection chamber detector with an exposure of 4.59×10^{19} protons on target. Events are selected to enhance the contribution of CC quasielastic (CCQE) interactions. The data are reported in terms of a total cross section as well as single differential cross sections in final state muon and proton kinematics. We measure the integrated per-nucleus CCQE-like cross section (i.e., for interactions leading to a muon, one proton, and no pions above detection threshold) of (4.93±0.76&#95;{stat}±1.29&#95;{sys})×10^{-38}  cm^{2}, in good agreement with theoretical calculations. The single differential cross sections are also in overall good agreement with theoretical predictions, except at very forward muon scattering angles that correspond to low-momentum-transfer events.

Published
2020
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26. First Measurement of Inclusive Muon Neutrino Charged Current Differential Cross Sections on Argon at E&#95;{ν}∼0.8  GeV with the MicroBooNE Detector.

Author

Abratenko P, Adams C, Alrashed M, An R, Anthony J, Asaadi J, Ashkenazi A, Auger M, Balasubramanian S, Baller B, Barnes C, Barr G, Bass M, Bay F, Bhat A, Bhattacharya K, Bishai M, Blake A, Bolton T, Camilleri L, Caratelli D, Caro Terrazas I, Carr R, Castillo Fernandez R, Cavanna F, Cerati G, Chen Y, Church E, Cianci D, Cohen EO, Collin GH, Conrad JM, Convery M, Cooper-Troendle L, Crespo-Anadón JI, Del Tutto M, Devitt D, Diaz A, Domine L, Duffy K, Dytman S, Eberly B, Ereditato A, Escudero Sanchez L, Esquivel J, Evans JJ, Fitzpatrick RS, Fleming BT, Franco D, Furmanski AP, Garcia-Gamez D, Genty V, Goeldi D, Gollapinni S, Goodwin O, Gramellini E, Greenlee H, Grosso R, Gu L, Gu W, Guenette R, Guzowski P, Hackenburg A, Hamilton P, Hen O, Hill C, Horton-Smith GA, Hourlier A, Huang EC, James C, Jan de Vries J, Ji X, Jiang L, Johnson RA, Joshi J, Jostlein H, Jwa YJ, Karagiorgi G, Ketchum W, Kirby B, Kirby M, Kobilarcik T, Kreslo I, Lepetic I, Li Y, Lister A, Littlejohn BR, Lockwitz S, Lorca D, Louis WC, Luethi M, Lundberg B, Luo X, Marchionni A, Marcocci S, Mariani C, Marshall J, Martin-Albo J, Martinez Caicedo DA, Mason K, Mastbaum A, Meddage V, Mettler T, Mills J, Mistry K, Mogan A, Moon J, Mooney M, Moore CD, Mousseau J, Murphy M, Murrells R, Naples D, Nienaber P, Nowak J, Palamara O, Pandey V, Paolone V, Papadopoulou A, Papavassiliou V, Pate SF, Pavlovic Z, Piasetzky E, Porzio D, Pulliam G, Qian X, Raaf JL, Rafique A, Ren L, Rochester L, Rogers HE, Ross-Lonergan M, Rudolf von Rohr C, Russell B, Scanavini G, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sharankova R, Sinclair J, Smith A, Snider EL, Soderberg M, Söldner-Rembold S, Soleti SR, Spentzouris P, Spitz J, Stancari M, John JS, Strauss T, Sutton K, Sword-Fehlberg S, Szelc AM, Tagg N, Tang W, Terao K, Thomson M, Thornton RT, Toups M, Tsai YT, Tufanli S, Usher T, Van De Pontseele W, Van de Water RG, Viren B, Weber M, Wei H, Wickremasinghe DA, Wierman K, Williams Z, Wolbers S, Wongjirad T, Woodruff K, Wu W, Yang T, Yarbrough G, Yates LE, Zeller GP, Zennamo J, and Zhang C

Abstract

We report the first measurement of the double-differential and total muon neutrino charged current inclusive cross sections on argon at a mean neutrino energy of 0.8 GeV. Data were collected using the MicroBooNE liquid argon time projection chamber located in the Fermilab Booster neutrino beam and correspond to 1.6×10^{20} protons on target of exposure. The measured differential cross sections are presented as a function of muon momentum, using multiple Coulomb scattering as a momentum measurement technique, and the muon angle with respect to the beam direction. We compare the measured cross sections to multiple neutrino event generators and find better agreement with those containing more complete treatment of quasielastic scattering processes at low Q^{2}. The total flux integrated cross section is measured to be 0.693±0.010(stat)±0.165(syst)×10^{-38}  cm^{2}.

Published
2019
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27. Significant Excess of Electronlike Events in the MiniBooNE Short-Baseline Neutrino Experiment.

Author

Aguilar-Arevalo AA, Brown BC, Bugel L, Cheng G, Conrad JM, Cooper RL, Dharmapalan R, Diaz A, Djurcic Z, Finley DA, Ford R, Garcia FG, Garvey GT, Grange J, Huang EC, Huelsnitz W, Ignarra C, Johnson RA, Karagiorgi G, Katori T, Kobilarcik T, Louis WC, Mariani C, Marsh W, Mills GB, Mirabal J, Monroe J, Moore CD, Mousseau J, Nienaber P, Nowak J, Osmanov B, Pavlovic Z, Perevalov D, Ray H, Roe BP, Russell AD, Shaevitz MH, Spitz J, Stancu I, Tayloe R, Thornton RT, Tzanov M, Van de Water RG, White DH, Wickremasinghe DA, and Zimmerman ED

Abstract

The MiniBooNE experiment at Fermilab reports results from an analysis of ν&#95;{e} appearance data from 12.84×10^{20} protons on target in neutrino mode, an increase of approximately a factor of 2 over previously reported results. A ν&#95;{e} charged-current quasielastic event excess of 381.2±85.2 events (4.5σ) is observed in the energy range 200

Published
2018
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28. First Measurement of Monoenergetic Muon Neutrino Charged Current Interactions.

Author

Aguilar-Arevalo AA, Brown BC, Bugel L, Cheng G, Church ED, Conrad JM, Cooper RL, Dharmapalan R, Djurcic Z, Finley DA, Fitzpatrick RS, Ford R, Garcia FG, Garvey GT, Grange J, Huelsnitz W, Ignarra C, Imlay R, Johnson RA, Jordan JR, Karagiorgi G, Katori T, Kobilarcik T, Louis WC, Mahn K, Mariani C, Marsh W, Mills GB, Mirabal J, Moore CD, Mousseau J, Nienaber P, Osmanov B, Pavlovic Z, Perevalov D, Ray H, Roe BP, Russell AD, Shaevitz MH, Spitz J, Stancu I, Tayloe R, Thornton RT, Van de Water RG, Wascko MO, White DH, Wickremasinghe DA, Zeller GP, and Zimmerman ED

Abstract

We report the first measurement of monoenergetic muon neutrino charged current interactions. MiniBooNE has isolated 236 MeV muon neutrino events originating from charged kaon decay at rest (K^{+}→μ^{+}ν&#95;{μ}) at the NuMI beamline absorber. These signal ν&#95;{μ}-carbon events are distinguished from primarily pion decay in flight ν&#95;{μ} and ν[over ¯]&#95;{μ} backgrounds produced at the target station and decay pipe using their arrival time and reconstructed muon energy. The significance of the signal observation is at the 3.9σ level. The muon kinetic energy, neutrino-nucleus energy transfer (ω=E&#95;{ν}-E&#95;{μ}), and total cross section for these events are extracted. This result is the first known-energy, weak-interaction-only probe of the nucleus to yield a measurement of ω using neutrinos, a quantity thus far only accessible through electron scattering.

Published
2018
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30. Rashba Spin-Orbit Coupling in Image Potential States.

Author

Tognolini S, Achilli S, Longetti L, Fava E, Mariani C, Trioni MI, and Pagliara S

Abstract

The search in two-dimensional condensed matter systems of Rashba-type spin-polarized electronic states is aimed by the possibility to control and manipulate the spin orientation. In this Letter, for the first time, we report on the experimental evidence of a Rashba-type spin splitting in the n=1 image potential state. The image potential state Rashba splitting here measured at the graphene/Ir(111) interface, as confirmed by theoretical considerations, can be detectable to any metal surface with a significant spin-orbit coupling.

Published
2015
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31. Improved search for ν¯(μ)→ν¯(e) oscillations in the MiniBooNE experiment.

Author

Aguilar-Arevalo AA, Brown BC, Bugel L, Cheng G, Church ED, Conrad JM, Dharmapalan R, Djurcic Z, Finley DA, Ford R, Garcia FG, Garvey GT, Grange J, Huelsnitz W, Ignarra C, Imlay R, Johnson RA, Karagiorgi G, Katori T, Kobilarcik T, Louis WC, Mariani C, Marsh W, Mills GB, Mirabal J, Moore CD, Mousseau J, Nienaber P, Osmanov B, Pavlovic Z, Perevalov D, Polly CC, Ray H, Roe BP, Russell AD, Shaevitz MH, Spitz J, Stancu I, Tayloe R, Van de Water RG, White DH, Wickremasinghe DA, Zeller GP, and Zimmerman ED

Abstract

The MiniBooNE experiment at Fermilab reports results from an analysis of ν[over ¯](e) appearance data from 11.27×10(20) protons on target in the antineutrino mode, an increase of approximately a factor of 2 over the previously reported results. An event excess of 78.4±28.5 events (2.8σ) is observed in the energy range 200

Published
2013
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32. Indication of reactor ν(e) disappearance in the Double Chooz experiment.

Author

Abe Y, Aberle C, Akiri T, dos Anjos JC, Ardellier F, Barbosa AF, Baxter A, Bergevin M, Bernstein A, Bezerra TJ, Bezrukhov L, Blucher E, Bongrand M, Bowden NS, Buck C, Busenitz J, Cabrera A, Caden E, Camilleri L, Carr R, Cerrada M, Chang PJ, Chimenti P, Classen T, Collin AP, Conover E, Conrad JM, Cormon S, Crespo-Anadón JI, Cribier M, Crum K, Cucoanes A, D'Agostino MV, Damon E, Dawson JV, Dazeley S, Dierckxsens M, Dietrich D, Djurcic Z, Dracos M, Durand V, Efremenko Y, Elnimr M, Endo Y, Etenko A, Falk E, Fallot M, Fechner M, von Feilitzsch F, Felde J, Fernandes SM, Franco D, Franke AJ, Franke M, Furuta H, Gama R, Gil-Botella I, Giot L, Göger-Neff M, Gonzalez LF, Goodman MC, Goon JT, Greiner D, Guillon B, Haag N, Hagner C, Hara T, Hartmann FX, Hartnell J, Haruna T, Haser J, Hatzikoutelis A, Hayakawa T, Hofmann M, Horton-Smith GA, Ishitsuka M, Jochum J, Jollet C, Jones CL, Kaether F, Kalousis L, Kamyshkov Y, Kaplan DM, Kawasaki T, Keefer G, Kemp E, de Kerret H, Kibe Y, Konno T, Kryn D, Kuze M, Lachenmaier T, Lane CE, Langbrandtner C, Lasserre T, Letourneau A, Lhuillier D, Lima HP Jr, Lindner M, Liu Y, López-Castanõ JM, LoSecco JM, Lubsandorzhiev BK, Lucht S, McKee D, Maeda J, Maesano CN, Mariani C, Maricic J, Martino J, Matsubara T, Mention G, Meregaglia A, Miletic T, Milincic R, Milzstajn A, Miyata H, Motta D, Mueller TA, Nagasaka Y, Nakajima K, Novella P, Obolensky M, Oberauer L, Onillon A, Osborn A, Ostrovskiy I, Palomares C, Peeters SJ, Pepe IM, Perasso S, Perrin P, Pfahler P, Porta A, Potzel W, Queval R, Reichenbacher J, Reinhold B, Remoto A, Reyna D, Röhling M, Roth S, Rubin HA, Sakamoto Y, Santorelli R, Sato F, Schönert S, Schoppmann S, Schwan U, Schwetz T, Shaevitz MH, Shrestha D, Sida JL, Sinev V, Skorokhvatov M, Smith E, Spitz J, Stahl A, Stancu I, Strait M, Stüken A, Suekane F, Sukhotin S, Sumiyoshi T, Sun Y, Sun Z, Svoboda R, Tabata H, Tamura N, Terao K, Tonazzo A, Toups M, Trinh Thi HH, Veyssiere C, Wagner S, Watanabe H, White B, Wiebusch C, Winslow L, Worcester M, Wurm M, Yanovitch E, Yermia F, Zbiri K, and Zimmer V

Abstract

The Double Chooz experiment presents an indication of reactor electron antineutrino disappearance consistent with neutrino oscillations. An observed-to-predicted ratio of events of 0.944±0.016(stat)±0.040(syst) was obtained in 101 days of running at the Chooz nuclear power plant in France, with two 4.25 GW(th) reactors. The results were obtained from a single 10 m(3) fiducial volume detector located 1050 m from the two reactor cores. The reactor antineutrino flux prediction used the Bugey4 flux measurement after correction for differences in core composition. The deficit can be interpreted as an indication of a nonzero value of the still unmeasured neutrino mixing parameter sin(2)2θ(13). Analyzing both the rate of the prompt positrons and their energy spectrum, we find sin(2)2θ(13)=0.086±0.041(stat)±0.030(syst), or, at 90% C.L., 0.017

Published
2012
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33. Coexistence of negatively and positively buckled isomers on n+-doped Si(111) − 2 × 1.

Author

Bussetti G, Bonanni B, Cirilli S, Violante A, Russo M, Goletti C, Chiaradia P, Pulci O, Palummo M, Del Sole R, Gargiani P, Betti MG, Mariani C, Feenstra RM, Meyer G, and Rieder KH

Abstract

A long-standing puzzle regarding the Si(111) − 2 × 1 surface has been solved. The surface energy gap previously determined by photoemission on heavily n-doped crystals was not compatible with a strongly bound exciton known from other considerations to exist. New low-temperature angle-resolved photoemission and scanning tunneling microscopy data, together with theory, unambiguously reveal that isomers with opposite bucklings and different energy gaps coexist on such surfaces. The subtle energetics between the isomers, dependent on doping, leads to a reconciliation of all previous results.

Published
2011
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34. Investigation of the Richtmyer-Meshkov instability with stereolithographed interfaces.

Author

Mariani C, Vandenboomgaerde M, Jourdan G, Souffland D, and Houas L

Abstract

A novel method to set highly accurate initial conditions has been designed in the context of shock tube experiments for the Richtmyer-Meshkov instability study. Stereolithography has been used to design the membrane supports which initially materialize the gaseous interface. The visualizations of both heavy-light and light-heavy sinusoidal interfaces were carried out with laser sheet diagnostics. Experiments are in very good agreement with theory and simulations for the heavy-light case, but probably due to the membrane effects, quickly deviate from them in the light-heavy configuration.

Published
2008
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35. Barrier formation at organic interfaces in a Cu(100)-benzenethiolate-pentacene heterostructure.

Author

Betti MG, Kanjilal A, Mariani C, Vázquez H, Dappe YJ, Ortega J, and Flores F

Abstract

The energy level alignment at the metal-organic and organic-organic interfaces of the Cu(100)/benzenethiolate/pentacene heterostructure is studied by photoemission spectroscopy and discussed theoretically using a model that includes, in a consistent way, charge transfer, Pauli repulsion, intrinsic molecular dipoles, and interface screening as a function of coverage. Despite the different nature of the two interfaces, our model provides a unified explanation for the work-function changes at both junctions and enables us to determine the benzenethiolate orientation as a function of coverage.

Published
2008
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36. Improved search for nu(mu) --> nu(e) oscillation in a long-baseline accelerator experiment.

Author

Yamamoto S, Zalipska J, Aliu E, Andringa S, Aoki S, Argyriades J, Asakura K, Ashie R, Berghaus F, Berns H, Bhang H, Blondel A, Borghi S, Bouchez J, Burguet-Castell J, Casper D, Catala J, Cavata C, Cervera A, Chen SM, Cho KO, Choi JH, Dore U, Espinal X, Fechner M, Fernandez E, Fukuda Y, Gomez-Cadenas J, Gran R, Hara T, Hasegawa M, Hasegawa T, Hayashi K, Hayato Y, Helmer RL, Hiraide K, Hosaka J, Ichikawa AK, Iinuma M, Ikeda A, Inagaki T, Ishida T, Ishihara K, Ishii T, Ishitsuka M, Itow Y, Iwashita T, Jang HI, Jeon EJ, Jeong IS, Joo KK, Jover G, Jung CK, Kajita T, Kameda J, Kaneyuki K, Kato I, Kearns E, Kerr D, Kim CO, Khabibullin M, Khotjantsev A, Kielczewska D, Kim JY, Kim SB, Kitching P, Kobayashi K, Kobayashi T, Konaka A, Koshio Y, Kropp W, Kubota J, Kudenko Y, Kuno Y, Kurimoto Y, Kutter T, Learned J, Likhoded S, Lim IT, Loverre PF, Ludovici L, Maesaka H, Mallet J, Mariani C, Matsuno S, Matveev V, McConnel K, McGrew C, Mikheyev S, Minamino A, Mine S, Mineev O, Mitsuda C, Miura M, Moriguchi Y, Morita T, Moriyama S, Nakadaira T, Nakahata M, Nakamura K, Nakano I, Nakaya T, Nakayama S, Namba T, Nambu R, Nawang S, Nishikawa K, Nitta K, Nova F, Novella P, Obayashi Y, Okada A, Okumura K, Oser SM, Oyama Y, Pac MY, Pierre F, Rodriguez A, Saji C, Sakuda M, Sanchez F, Sarrat A, Sasaki T, Sato H, Scholberg K, Schroeter R, Sekiguchi M, Shiozawa M, Shiraishi K, Sitjes G, Smy M, Sobel H, Sorel M, Stone J, Sulak L, Suzuki A, Suzuki Y, Takahashi T, Takenaga Y, Takeuchi Y, Taki K, Takubo Y, Tamura N, Tanaka M, Terri R, T'jampens S, Tornero-Lopez A, Totsuka Y, Ueda S, Vagins M, Whitehead L, Walter CW, Wang W, Wilkes RJ, Yamada S, Yanagisawa C, Yershov N, Yokoyama H, Yokoyama M, Yoo J, and Yoshida M

Abstract

We performed an improved search for nu(mu) --> nu(e) oscillation with the KEK to Kamioka (K2K) long-baseline neutrino oscillation experiment, using the full data sample of 9.2 x 10(19) protons on target. No evidence for a nu(e) appearance signal was found, and we set bounds on the nu(mu) --> nu(e) oscillation parameters. At Deltam(2)=2.8 x 10(-3) eV(2), the best-fit value of the K2Knu(mu) disappearance analysis, we set an upper limit of sin(2)2theta(mue) < 0.13 at a 90% confidence level.

Published
2006
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37. Search for coherent charged pion production in neutrino-carbon interactions.

Author

Hasegawa M, Aliu E, Andringa S, Aoki S, Argyriades J, Asakura K, Ashie R, Berns H, Bhang H, Blondel A, Borghi S, Bouchez J, Burguet-Castell J, Casper D, Cavata C, Cervera A, Chen SM, Cho KO, Choi JH, Dore U, Espinal X, Fechner M, Fernandez E, Fukuda Y, Gomez-Cadenas J, Gran R, Hara T, Hasegawa T, Hayashi K, Hayato Y, Helmer RL, Hill J, Hiraide K, Hosaka J, Ichikawa AK, Iinuma M, Ikeda A, Inagaki T, Ishida T, Ishihara K, Ishii T, Ishitsuka M, Itow Y, Iwashita T, Jang HI, Jeon EJ, Jeong IS, Joo KK, Jover G, Jung CK, Kajita T, Kameda J, Kaneyuki K, Kato I, Kearns E, Kerr D, Kim CO, Khabibullin M, Khotjantsev A, Kielczewska D, Kim JY, Kim SB, Kitching P, Kobayashi K, Kobayashi T, Konaka A, Koshio Y, Kropp W, Kubota J, Kudenko Y, Kuno Y, Kutter T, Learned J, Likhoded S, Lim IT, Loverre PF, Ludovici L, Maesaka H, Mallet J, Mariani C, Maruyama T, Matsuno S, Matveev V, Mauger C, McConnel K, McGrew C, Mikheyev S, Minamino A, Mine S, Mineev O, Mitsuda C, Miura M, Moriguchi Y, Morita T, Moriyama S, Nakadaira T, Nakahata M, Nakamura K, Nakano I, Nakaya T, Nakayama S, Namba T, Nambu R, Nawang S, Nishikawa K, Nitta K, Nova F, Novella P, Obayashi Y, Okada A, Okumura K, Oser SM, Oyama Y, Pac MY, Pierre F, Rodriguez A, Saji C, Sakuda M, Sanchez F, Sarrat A, Sasaki T, Sato H, Scholberg K, Schroeter R, Sekiguchi M, Sharkey E, Shiozawa M, Shiraishi K, Sitjes G, Smy M, Sobel H, Stone J, Sulak L, Suzuki A, Suzuki Y, Takahashi T, Takenaga Y, Takeuchi Y, Taki K, Takubo Y, Tamura N, Tanaka M, Terri R, T'jampens S, Tornero-Lopez A, Totsuka Y, Ueda S, Vagins M, Whitehead L, Walter CW, Wang W, Wilkes RJ, Yamada S, Yamamoto S, Yanagisawa C, Yershov N, Yokoyama H, Yokoyama M, Yoo J, Yoshida M, and Zalipska J

Abstract

We report the result from a search for charged-current coherent pion production induced by muon neutrinos with a mean energy of 1.3 GeV. The data are collected with a fully active scintillator detector in the K2K long-baseline neutrino oscillation experiment. No evidence for coherent pion production is observed, and an upper limit of is set on the cross section ratio of coherent pion production to the total charged-current interaction at 90% confidence level. This is the first experimental limit for coherent charged pion production in the energy region of a few GeV.

Published
2005
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38. Evidence for muon neutrino oscillation in an accelerator-based experiment.

Author

Aliu E, Andringa S, Aoki S, Argyriades J, Asakura K, Ashie R, Berns H, Bhang H, Blondel A, Borghi S, Bouchez J, Burguet-Castell J, Casper D, Cavata C, Cervera A, Cho KO, Choi JH, Dore U, Espinal X, Fechner M, Fernandez E, Fukuda Y, Gomez-Cadenas J, Gran R, Hara T, Hasegawa M, Hasegawa T, Hayashi K, Hayato Y, Helmer RL, Hill J, Hiraide K, Hosaka J, Ichikawa AK, Iinuma M, Ikeda A, Inagaki T, Ishida T, Ishihara K, Ishii T, Ishitsuka M, Itow Y, Iwashita T, Jang HI, Jeon EJ, Jeong IS, Joo K, Jover G, Jung CK, Kajita T, Kameda J, Kaneyuki K, Kato I, Kearns E, Kerr D, Kim CO, Khabibullin M, Khotjantsev A, Kielczewska D, Kim JY, Kim S, Kitching P, Kobayashi K, Kobayashi T, Konaka A, Koshio Y, Kropp W, Kubota J, Kudenko Y, Kuno Y, Kutter T, Learned J, Likhoded S, Lim IT, Loverre PF, Ludovici L, Maesaka H, Mallet J, Mariani C, Maruyama T, Matsuno S, Matveev V, Mauger C, McConnel K, McGrew C, Mikheyev S, Minamino A, Mine S, Mineev O, Mitsuda C, Miura M, Moriguchi Y, Morita T, Moriyama S, Nakadaira T, Nakahata M, Nakamura K, Nakano I, Nakaya T, Nakayama S, Namba T, Nambu R, Nawang S, Nishikawa K, Nitta K, Nova F, Novella P, Obayashi Y, Okada A, Okumura K, Oser SM, Oyama Y, Pac MY, Pierre F, Rodriguez A, Saji C, Sakuda M, Sanchez F, Sarrat A, Sasaki T, Scholberg K, Schroeter R, Sekiguchi M, Sharkey E, Shiozawa M, Shiraishi K, Sitjes G, Smy M, Sobel H, Stone J, Sulak L, Suzuki A, Suzuki Y, Takahashi T, Takenaga Y, Takeuchi Y, Taki K, Takubo Y, Tamura N, Tanaka M, Terri R, T'Jampens S, Tornero-Lopez A, Totsuka Y, Ueda S, Vagins M, Walter CW, Wang W, Wilkes RJ, Yamada S, Yamamoto S, Yanagisawa C, Yershov N, Yokoyama H, Yokoyama M, Yoo J, Yoshida M, and Zalipska J

Abstract

We present results for nu(mu) oscillation in the KEK to Kamioka (K2K) long-baseline neutrino oscillation experiment. K2K uses an accelerator-produced nu(mu) beam with a mean energy of 1.3 GeV directed at the Super-Kamiokande detector. We observed the energy-dependent disappearance of nu(mu), which we presume have oscillated to nu(tau). The probability that we would observe these results if there is no neutrino oscillation is 0.0050% (4.0 sigma).

Published
2005
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