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Browsing by Author "Coloma, P."

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    Fundamental Physics at the Intensity Frontier
    Hewett, J. L.; Weerts, H.; Brock, R.; Butler, J. N.; Casey, B. C. K.; Collar, J.; Gouvea, A. D.; Essig, R.; Grossman, Y.; Haxton, W.; Jaros, J. A.; Jung, C. K.; Lu, Z. T.; Pitts, K.; Ligeti, Z.; Patterson, J. R.; Ramsey-Musolf, M.; Ritchie, J. L.; Roodman, A.; Scholberg, K.; Wagner, C. E. M.; Zeller, Geralyn P.; Aefsky, S.; Afanasev, A.; Agashe, K.; Albright, C. H.; Alonso, J.; Ankenbrandt, C. M.; Aoki, M.; Arguelles, C. A.; Arkani-Hamed, N.; Armendariz, J. R.; Armendariz-Picon, C.; Diaz, E. A.; Asaadi, J.; Asner, D. M.; Babu, K. S.; Bailey, K.; Baker, O.; Balantekin, A. B.; Baller, B.; Bass, M.; Batell, B.; Beacham, J.; Behr, J.; Berger, N.; Bergevin, M.; Berman, E.; Bernstein, R.; Bevan, A. J.; Bishai, M.; Blanke, M.; Blessing, S.; Blondel, A.; Blum, T.; Bock, G.; Bodek, A.; Bonvicini, G.; Bossi, F.; Boyce, J.; Breedon, R.; Breidenbach, M.; Brice, S. J.; Briere, R. A.; Brodsky, S.; Bromberg, C.; Bross, A.; Browder, T. E.; Bryman, D. A.; Buckley, M.; Burnstein, R.; Caden, E.; Campana, P.; Carlini, R.; Carosi, G.; Castromonte, C.; Cenci, R.; Chakaberia, I.; Chen, M. C.; Cheng, C. H.; Choudhary, B.; Christ, N. H.; Christensen, E.; Christy, M. E.; Chupp, T. E.; Church, E.; Cline, D. B.; Coan, T. E.; Coloma, P.; Comfort, J.; Coney, L.; Cooper, J.; Cooper, R. J.; Cowan, R.; Cowen, D. F.; Cronin-Hennessy, D.; Datta, A.; Davies, G. S.; Demarteau, M.; DeMille, D. P.; Denig, A.; Dermisek, R.; Deshpande, A.; Dewey, M. S.; Dharmapalan, R.; Dhooghe, J.; Dietrich, M. R.; Diwan, M.; Djurcic, Zelimir; Dobbs, S.; Duraisamy, M.; Dutta, B.; Duyang, H.; Dwyer, D. A.; Eads, M.; Echenard, B.; Elliott, S. R.; Escobar, C. O.; Fajans, J.; Farooq, S.; Faroughy, C.; Fast, J. E.; Feinberg, B.; Felde, J.; Feldman, G.; Fierlinger, P.; Perez, P. F.; Filippone, B. W.; Fisher, P.; Fleming, B. T.; Flood, K. T.; Forty, R.; Frank, M. J.; Freyberger, A.; Friedland, A.; Gandhi, R.; Ganezer, K. S.; Garcia, A.; Garcia, F. G.; Gardiner, S.; Garrison, L.; Gasparian, A.; Geer, S.; Gehman, V. M.; Gershon, T.; Gilchriese, M.; Ginsberg, C.; Gogoladze, I.; Gonderinger, M.; Goodman, M.; Gould, H.; Graham, M.; Graham, P. W.; Gran, R.; Grange, J.; Gratta, G.; Green, J. P.; Greenlee, H.; Group, R. C.; Guardincerri, E.; Gudkov, V.; Guenette, R.; Haas, A.; Hahn, A.; Han, T.; Handler, T.; Hardy, J. C.; Harnik, R.; Harris, D. A.; Harris, F. A.; Harris, P. G.; Hartnett, J.; He, B.; Heckel, B. R.; Heeger, K. M.; Henderson, S.; Hertzog, D.; Hill, R.; Hinds, E. A.; Hitlin, D. G.; Holt, R. J.; Holtkamp, N.; Horton-Smith, Glenn A.; Huber, Patrick; Huelsnitz, W.; Imber, J.; Irastorza, I.; Jaeckel, J.; Jaegle, I.; James, C.; Jawahery, A.; Jensen, D.; Jessop, C. P.; Jones, B.; Jostlein, H.; Junk, T.; Kagan, A. L.; Kalita, M.; Kamyshkov, Y.; Kaplan, D. M.; Karagiorgi, Georgia S.; Karle, A.; Katori, T.; Kayser, B.; Kephart, R.; Kettell, S. H.; Kim, Y.-K.; Kirby, M.; Kirch, K.; Klein, J.; Kneller, J.; Kobach, A.; Kohl, M.; Kopp, J.; Kordosky, M.; Korsch, W.; Kourbanis, I.; Krisch, A. D.; Križan, P.; Kronfeld, A. S.; Kulkarni, S.; Kumar, K. S.; Kuno, Y.; Kutter, T.; Lachenmaier, Tobias; Lamm, M.; Lancaster, J.; Lancaster, M.; Lane, C.; Lang, K.; Langacker, P.; Lazarevic, S.; Le, T.; Lee, K.; Lesko, K. T.; Li, Y.; Lindgren, M.; Lindner, A.; Link, Jonathan M.; Lissauer, D.; Littenberg, L. S.; Littlejohn, B.; Liu, C. Y.; Loinaz, William; Lorenzon, W.; Louis, W. C.; Lozier, J.; Ludovici, L.; Lueking, L.; Lunardini, C.; MacFarlane, D. B.; Machado, P. A. N.; Mackenzie, P. B.; Maloney, J.; Marciano, W. J.; Marsh, W.; Marshak, M.; Martin, J. W.; Mauger, C.; McFarland, K. S.; McGrew, C.; McLaughlin, G.; McKeen, D.; McKeown, R.; Meadows, B. T.; Mehdiyev, R.; Melconian, D.; Merkel, H.; Messier, M.; Miller, J. P.; Mills, G.; Minamisono, U. K.; Mishra, S. R.; Mocioiu, I.; Sher, S. M.; Mohapatra, R. N.; Monreal, B.; Moore, C. D.; Morfin, J. G.; Mousseau, J.; Moustakas, L. A.; Mueller, G.; Mueller, P.; Muether, M.; Mumm, H. P.; Munger, C.; Murayama, H.; Nath, P.; Naviliat-Cuncin, O.; Nelson, J. K.; Neuffer, D.; Nico, J. S.; Norman, A.; Nygren, D.; Obayashi, Y.; O'Connor, T. P.; Okada, Y.; Olsen, J.; Orozco, L.; Orrell, J. L.; Osta, J.; Pahlka, B.; Paley, J.; Papadimitriou, V.; Papucci, M.; Parke, S.; Parker, R. H.; Parsa, Z.; Partyka, K.; Patch, A.; Pati, J. C.; Patterson, R. B.; Pavlovic, Z.; Paz, G.; Perdue, G. N.; Perevalov, D.; Perez, G.; Petti, R.; Pettus, W.; Piepke, A.; Pivovaroff, M. J.; Plunkett, R.; Polly, C. C.; Pospelov, M.; Povey, R.; Prakash, A.; Purohit, M. V.; Raby, S.; Raaf, J. L.; Rajendran, R.; Rajendran, S.; Rameika, G.; Ramsey, R.; Rashed, A.; Ratcliff, B. N.; Rebel, B.; Redondo, J.; Reimer, P.; Reitzner, D.; Ringer, F.; Ringwald, A.; Riordan, S.; Roberts, B. L.; Roberts, D. A.; Robertson, R.; Robicheaux, F.; Rominsky, M.; Roser, R.; Rosner, J. L.; Rott, C.; Rubin, P.; Saito, N.; Sanchez, Maria Cristina; Sarkar, S.; Schellman, H.; Schmidt, B.; Schmitt, M.; Schmitz, D. W.; Schneps, J.; Schopper, A.; Schuster, P.; Schwartz, A. J.; Schwarz, M.; Seeman, J.; Semertzidis, Y. K.; Seth, K. K.; Shafi, Q.; Shanahan, P.; Sharma, R.; Sharpe, S. R.; Shiozawa, M.; Shiltsev, V.; Sigurdson, K.; Sikivie, P.; Singh, J.; Sivers, D.; Skwarnicki, T.; Smith, N.; Sobczyk, J.; Sobel, H.; Soderberg, M.; Song, Y. H.; Soni, A.; Souder, P. A.; Sousa, A.; Spitz, Joshua; Stancari, M.; Stavenga, G. C.; Steffen, J. H.; Stepanyan, S.; Stoeckinger, D.; Stone, S.; Strait, J.; Strassler, M.; Sulai, I. A.; Sundrum, R.; Svoboda, R.; Szczerbinska, B.; Szelc, A.; Takeuchi, Tatsu; Tanedo, P.; Taneja, S.; Tang, J.; Tanner, D. B.; Tayloe, R.; Taylor, I.; Thomas, J.; Thorn, C.; Tian, X.; Tice, B. G.; Tobar, M.; Tolich, N.; Toro, N.; Towner, I. S.; Tsai, Y.; Tschirhart, R.; Tunnell, C. D.; Tzanov, M.; Upadhye, A.; Urheim, J.; Vahsen, S. E.; Vainshtein, A.; Valencia, E.; Water, R. G. V. D.; Water, RSVD; Velasco, M.; Vogel, J.; Vogel, P.; Vogelsang, W.; Wah, Y W.; Walker, D.; Weiner, N.; Weltman, A.; Wendell, R.; Wester, W.; Wetstein, M.; White, C.; Whitehead, L.; Whitmore, J.; Widmann, E.; Wiedemann, G.; Wilkerson, J.; Wilkinson, G.; Wilson, P.; Wilson, R. J.; Winter, W.; Wise, Milton B.; Wodin, J.; Wojcicki, S.; Wojtsekhowski, B.; Wongjirad, T.; Worcester, E.; Wurtele, J.; Xin, T.; Xu, J.; Yamanaka, T.; Yamazaki, Y.; Yavin, I.; Yeck, J.; Yeh, M.; Yokoyama, M.; Yoo, J.; Young, A.; Zimmerman, E.; Zioutas, K.; Zisman, M.; Zupan, J.; Zwaska, R. (2011)
    The Proceedings of the 2011 workshop on Fundamental Physics at the Intensity Frontier. Science opportunities at the intensity frontier are identified and described in the areas of heavy quarks, charged leptons, neutrinos, proton decay, new light weakly-coupled particles, and nucleons, nuclei, and atoms.
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    Light Sterile Neutrinos: A White Paper
    Abazajian, Kevork N.; Acero, M. A.; Agarwalla, S. K.; Aguilar-Arevalo, A. A.; Albright, C. H.; Antusch, S.; Arguelles, C. A.; Balantekin, A. B.; Barenboim, G.; Barger, V.; Bernardini, P.; Bezrukov, F.; Bjaelde, O. E.; Bogacz, S. A.; Bowden, N. S.; Boyarsky, A.; Bravar, A.; Berguno, D. B.; Brice, S. J.; Bross, A. D.; Caccianiga, B.; Cavanna, F.; Chun, E. J.; Cleveland, B. T.; Collin, A. P.; Coloma, P.; Conrad, Janet M.; Cribier, M.; Cucoanes, A. S.; D'Olivo, J. C.; Das, S.; Gouvea, A. D.; Derbin, A. V.; Dharmapalan, R.; Diaz, J. S.; Ding, X. J.; Djurcic, Zelimir; Donini, A.; Duchesneau, D.; Ejiri, H.; Elliott, S. R.; Ernst, D. J.; Esmaili, A.; Evans, J. J.; Fernandez-Martinez, Enrique; Figueroa-Feliciano, E.; Fleming, B. T.; Formaggio, J. A.; Franco, D.; Gaffiot, J.; Gandhi, R.; Gao, Y.; Garvey, G. T.; Gavrin, V. N.; Ghoshal, P.; Gibin, D.; Giunti, C.; Gninenko, S. N.; Gorbachev, V. V.; Gorbunov, D. S.; Guenette, R.; Guglielmi, A.; Halzen, F.; Hamann, J.; Hannestad, S.; Haxton, W.; Heeger, K. M.; Henning, R.; Hernandez, P.; Huber, Patrick; Huelsnitz, W.; Ianni, A.; Ibragimova, T. V.; Karadzhov, Y.; Karagiorgi, Georgia S.; Keefer, G.; Kim, Y. D.; Kopp, J.; Kornoukhov, V. N.; Kusenko, A.; Kyberd, P.; Langacker, P.; Lasserre, T.; Laveder, M.; Letourneau, A.; Lhuillier, D.; Li, Y. F.; Lindner, M.; Link, Jonathan M.; Littlejohn, B. L.; Lombardi, Paolo; Long, K.; Lopez-Pavon, J.; Louis, W. C.; Ludhova, L.; Lykken, J. D.; Machado, P. A. N.; Maltoni, M.; Mann, W. A.; Marfatia, D.; Mariani, Camillo; Matveev, V. A.; Mavromatos, N. E.; Melchiorri, A.; Meloni, David; Mena, O.; Mention, G.; Merle, A.; Meroni, E.; Mezzetto, M.; Mills, G. B.; Minic, Djordje; Miramonti, L.; Mohapatra, D.; Mohapatra, R. N.; Montanari, C.; Mori, Y.; Mueller, T. A.; Mumm, H. P.; Muratova, V. N.; Nelson, A. E.; Nico, J. S.; Noah, E.; Nowak, J.; Smirnov, O. Y.; Obolensky, M.; Pakvasa, S.; Palamara, O.; Pallavicini, M.; Pascoli, S.; Patrizii, L.; Pavlovic, Z.; Peres, O. L. G.; Pessard, H.; Pietropaolo, F.; Pitt, M. L.; Popovic, M.; Pradler, J.; Ranucci, G.; Ray, H.; Razzaque, S.; Rebel, B.; Robertson, R. G. H.; Rodejohann, W.; Rountree, S. D.; Rubbia, C.; Ruchayskiy, O.; Sala, P. R.; Scholberg, K.; Schwetz, T.; Shaevitz, Marjorie Hansen; Shaposhnikov, M.; Shrock, R.; Simone, S.; Skorokhvatov, Mikhail D.; Sorel, M.; Sousa, A.; Spergel, D. N.; Spitz, Joshua; Stanco, L.; Stancu, Ion; Suzuki, A.; Takeuchi, Tatsu; Tamborra, Irene; Tang, J.; Testera, G.; Tian, X. C.; Tonazzo, A.; Tunnell, C. D.; Water, R. G. V. D.; Verde, L.; Veretenkin, E. P.; Vignoli, C.; Vivier, M.; Vogelaar, R. Bruce; Wascko, M. O.; Wilkerson, J. F.; Winter, W.; Wong, Y. Y. Y.; Yanagida, T. T.; Yasuda, O.; Yeh, M.; Yermia, F.; Yokley, Z. W.; Zeller, Geralyn P.; Zhan, L.; Zhang, H. (2012-04)
    This white paper addresses the hypothesis of light sterile neutrinos based on recent anomalies observed in neutrino experiments and the latest astrophysical data.
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    Neutrinos
    Gouvea, A. D.; Pitts, K.; Scholberg, K.; Zeller, Geralyn P.; Alonso, J.; Bernstein, A.; Bishai, M.; Elliott, S.; Heeger, K.; Hoffman, K.; Huber, Patrick; Kaufman, L. J.; Kayser, B.; Link, Jonathan M.; Lunardini, C.; Monreal, B.; Morfin, J. G.; Robertson, H.; Tayloe, R.; Tolich, N.; Abazajian, Kevork N.; Akiri, T.; Albright, C. H.; Asaadi, J.; Babu, K. S.; Balantekin, A. B.; Barbeau, P. S.; Bass, M.; Blake, A.; Blondel, A.; Blucher, E.; Bowden, N. S.; Brice, S. J.; Bross, A.; Carls, B.; Cavanna, F.; Choudhary, B.; Coloma, P.; Connolly, A.; Conrad, J.; Convery, M.; Cooper, R. L.; Cowen, D.; Motta, H. D.; Young, T. D.; Lodovico, F. D.; Diwan, M.; Djurcic, Zelimir; Dracos, M.; Dodelson, S.; Efremenko, Y.; Ekelof, T.; Feng, J. L.; Fleming, B.; Formaggio, J. A.; Friedland, A.; Fuller, G.; Gallagher, H.; Geer, S.; Gilchriese, M.; Goodman, M.; Grant, D.; Gratta, G.; Hall, C.; Halzen, F.; Harris, D.; Heffner, M.; Henning, R.; Hewett, J. L.; Hill, R.; Himmel, A.; Horton-Smith, Glenn A.; Karle, A.; Katori, T.; Kearns, E.; Kettell, S. H.; Klein, J.; Kim, Y.; Kim, Y.-K.; Kolomensky, Y. G.; Kordosky, M.; Kudenko, Y.; Kudryavtsev, V. A.; Lande, K.; Lang, K.; Lanza, R.; Lau, K.; Lee, H.; Li, Z.; Littlejohn, B. R.; Lin, C. J.; Liu, D.; Liu, H.; Long, K.; Louis, W.; Luk, K. B.; Marciano, W. J.; Mariani, Camillo; Marshak, M.; Mauger, C.; McDonald, K. T.; McFarland, K. S.; McKeown, R.; Messier, M.; Mishra, S. R.; Mosel, U.; Mumm, P.; Nakaya, T.; Nelson, J. K.; Nygren, D.; Orebi Gann, G. D.; Osta, J.; Palamara, O.; Paley, J.; Papadimitriou, V.; Parke, S.; Parsa, Z.; Patterson, R.; Piepke, A.; Plunkett, R.; Poon, A.; Qian, X.; Raaf, J.; Rameika, R.; Ramsey-Musolf, M.; Rebel, B.; Roser, R.; Rosner, J.; Rott, C.; Rybka, G.; Sahoo, H.; Sangiorgio, S.; Schmitz, D.; Shrock, R.; Shaevitz, Marjorie Hansen; Smith, N.; Smy, M.; Sobel, H.; Sorensen, P.; Sousa, A.; Spitz, Joshua; Strauss, T.; Svoboda, R.; Tanaka, H. A.; Thomas, J.; Tian, X.; Tschirhart, R.; Tully, C.; Bibber, K. V.; Water, R. G. V. D.; Vahle, P.; Vogel, P.; Walter, C. W.; Wark, D.; Wascko, M. O.; Webber, D.; Weerts, H.; White, C.; White, H.; Whitehead, L.; Wilson, R. J.; Winslow, L.; Wongjirad, T.; Worcester, E.; Yokoyama, M.; Yoo, J.; Zimmerman, E. D. (2013-10-16)
    This document represents the response of the Intensity Frontier Neutrino Working Group to the Snowmass charge. We summarize the current status of neutrino physics and identify many exciting future opportunities for studying the properties of neutrinos and for addressing important physics and astrophysics questions with neutrinos.
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    New constraints on heavy neutral leptons from Super-Kamiokande data
    Coloma, P.; Hernandez, P.; Munoz, V.; Shoemaker, Ian M. (2020-03-12)
    Heavy neutral leptons are predicted in many extensions of the Standard Model with massive neutrinos. If kinematically accessible, they can be copiously produced from kaon and pion decays in atmospheric showers, and subsequently decay inside large neutrino detectors. We perform a search for these long-lived particles using Super-Kamiokande multi-GeV neutrino data and derive stringent limits on the mixing with electron, muon and tau neutrinos as a function of the long-lived particle mass. We also present the limits on the branching ratio versus lifetime plane, which are helpful in determining the constraints in non-minimal models where the heavy neutral leptons have new interactions with the Standard Model.
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    Physics Performance of a Low-Luminosity Low Energy Neutrino Factory
    Christensen, E.; Coloma, P.; Huber, Patrick (American Physical Society, 2013-08-08)
    We investigate the minimal performance, in terms of beam luminosity and detector size, of a neutrino factory to achieve a competitive physics reach for the determination of the mass hierarchy and the discovery of leptonic CP violation. We find that a low luminosity of 2 x 10(20) useful muon decays per year and 5 GeV muon energy aimed at a 10 kton magnetized liquid argon detector placed at 1300 km from the source provides a good starting point. This result relies on theta(13) being large and assumes that the so-called platinum channel can be used effectively. We find that such a minimal facility would perform significantly better than phase I of the LBNE project and thus could constitute a reasonable step towards a full neutrino factory.
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    Systematic uncertainties in long-baseline neutrino oscillations for large theta(13)
    Coloma, P.; Huber, Patrick; Kopp, J.; Winter, W. (American Physical Society, 2013-02-11)
    We study the physics potential of future long-baseline neutrino oscillation experiments at large theta(13), focusing especially on systematic uncertainties. We discuss superbeams, beta beams, and neutrino factories, and for the first time compare these experiments on an equal footing with respect to systematic errors. We explicitly simulate near detectors for all experiments; we use the same implementation of systematic uncertainties for all experiments; and we fully correlate the uncertainties among detectors, oscillation channels, and beam polarizations as appropriate. As our primary performance indicator, we use the achievable precision in the measurement of the CP-violating phase delta. We find that a neutrino factory is the only instrument that can measure delta with a precision similar to that of its quark sector counterpart. All neutrino beams operating at peak energies >= 2 GeV are quite robust with respect to systematic uncertainties, whereas especially beta beams and T2HK suffer from large cross-section uncertainties in the quasielastic regime, combined with their inability to measure the appearance signal cross sections at the near detector. A noteworthy exception is the combination of a gamma = 100 beta beam with an SPL-based superbeam, in which all relevant cross sections can be measured in a self-consistent way. This provides a performance second only to that of the neutrino factory. For other superbeam experiments such as LBNO and the setups studied in the context of the LBNE reconfiguration effort, statistics turns out to be the bottleneck. In almost all cases, the near detector is not critical to control systematics, since the combined fit of appearance and disappearance data already constrains the impact of systematics to be small, provided that the three-active-flavor oscillation framework is valid.