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Development of a general analysis and unfolding scheme and its application to measure the energy spectrum of atmospheric neutrinos with IceCube: IceCube Collaboration.
Aartsen, M G; Ackermann, M; Adams, J; Aguilar, J A; Ahlers, M; Ahrens, M; Altmann, D; Anderson, T; Arguelles, C; Arlen, T C; Auffenberg, J; Bai, X; Barwick, S W; Baum, V; Beatty, J J; Tjus, J Becker; Becker, K-H; BenZvi, S; Berghaus, P; Berley, D; Bernardini, E; Bernhard, A; Besson, D Z; Binder, G; Bindig, D; Bissok, M; Blaufuss, E; Blumenthal, J; Boersma, D J; Bohm, C; Bos, F; Bose, D; Böser, S; Botner, O; Brayeur, L; Bretz, H P; Brown, A M; Casey, J; Casier, M; Cheung, E; Chirkin, D; Christov, A; Christy, B; Clark, K; Classen, L; Clevermann, F; Coenders, S; Cowen, D F; Cruz Silva, A H; Danninger, M.
Afiliação
  • Aartsen MG; School of Chemistry and Physics, University of Adelaide, Adelaide, SA 5005 Australia.
  • Ackermann M; DESY, 15735 Zeuthen, Germany.
  • Adams J; Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.
  • Aguilar JA; Département de physique nucléaire et corpusculaire, Université de Genève, 1211 Geneva, Switzerland.
  • Ahlers M; Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, WI 53706 USA.
  • Ahrens M; Department of Physics, Oskar Klein Centre, Stockholm University, 10691 Stockholm, Sweden.
  • Altmann D; Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany.
  • Anderson T; Department of Physics, Pennsylvania State University, University Park, PA 16802 USA.
  • Arguelles C; Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, WI 53706 USA.
  • Arlen TC; Department of Physics, Pennsylvania State University, University Park, PA 16802 USA.
  • Auffenberg J; III. Physikalisches Institut, RWTH Aachen University, 52056 Aachen, Germany.
  • Bai X; Physics Department, South Dakota School of Mines and Technology, Rapid City, SD 57701 USA.
  • Barwick SW; Department of Physics and Astronomy, University of California, Irvine, CA 92697 USA.
  • Baum V; Institute of Physics, University of Mainz, Staudinger Weg 7, 55099 Mainz, Germany.
  • Beatty JJ; Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, OH 43210 USA ; Department of Astronomy, Ohio State University, Columbus, OH 43210 USA.
  • Tjus JB; Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, 44780 Bochum, Germany.
  • Becker KH; Department of Physics, University of Wuppertal, 42119 Wuppertal, Germany.
  • BenZvi S; Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, WI 53706 USA.
  • Berghaus P; DESY, 15735 Zeuthen, Germany.
  • Berley D; Department of Physics, University of Maryland, College Park, MD 20742 USA.
  • Bernardini E; DESY, 15735 Zeuthen, Germany.
  • Bernhard A; Technische Universität München, 85748 Garching, Germany.
  • Besson DZ; Department of Physics and Astronomy, University of Kansas, Lawrence, KS 66045 USA.
  • Binder G; Department of Physics, University of California, Berkeley, CA 94720 USA ; Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA.
  • Bindig D; Department of Physics, University of Wuppertal, 42119 Wuppertal, Germany.
  • Bissok M; III. Physikalisches Institut, RWTH Aachen University, 52056 Aachen, Germany.
  • Blaufuss E; Department of Physics, University of Maryland, College Park, MD 20742 USA.
  • Blumenthal J; III. Physikalisches Institut, RWTH Aachen University, 52056 Aachen, Germany.
  • Boersma DJ; Department of Physics and Astronomy, Uppsala University, Box 516, 75120 Uppsala, Sweden.
  • Bohm C; Department of Physics, Oskar Klein Centre, Stockholm University, 10691 Stockholm, Sweden.
  • Bos F; Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, 44780 Bochum, Germany.
  • Bose D; Department of Physics, Sungkyunkwan University, Suwon, 440-746 Korea.
  • Böser S; Physikalisches Institut, Universität Bonn, Nussallee 12, 53115 Bonn, Germany.
  • Botner O; Department of Physics and Astronomy, Uppsala University, Box 516, 75120 Uppsala, Sweden.
  • Brayeur L; Vrije Universiteit Brussel, Dienst ELEM, 1050 Brussels, Belgium.
  • Bretz HP; DESY, 15735 Zeuthen, Germany.
  • Brown AM; Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.
  • Casey J; School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, GA 30332 USA.
  • Casier M; Vrije Universiteit Brussel, Dienst ELEM, 1050 Brussels, Belgium.
  • Cheung E; Department of Physics, University of Maryland, College Park, MD 20742 USA.
  • Chirkin D; Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, WI 53706 USA.
  • Christov A; Département de physique nucléaire et corpusculaire, Université de Genève, 1211 Geneva, Switzerland.
  • Christy B; Department of Physics, University of Maryland, College Park, MD 20742 USA.
  • Clark K; Department of Physics, University of Toronto, Toronto, ON M5S 1A7 Canada.
  • Classen L; Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany.
  • Clevermann F; Department of Physics, TU Dortmund University, 44221 Dortmund, Germany.
  • Coenders S; Technische Universität München, 85748 Garching, Germany.
  • Cowen DF; Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, PA 16802 USA ; Department of Physics, Pennsylvania State University, University Park, PA 16802 USA.
  • Cruz Silva AH; DESY, 15735 Zeuthen, Germany.
  • Danninger M; Department of Physics, Oskar Klein Centre, Stockholm University, 10691 Stockholm, Sweden.
Eur Phys J C Part Fields ; 75(3): 116, 2015.
Article em En | MEDLINE | ID: mdl-25995705
We present the development and application of a generic analysis scheme for the measurement of neutrino spectra with the IceCube detector. This scheme is based on regularized unfolding, preceded by an event selection which uses a Minimum Redundancy Maximum Relevance algorithm to select the relevant variables and a random forest for the classification of events. The analysis has been developed using IceCube data from the 59-string configuration of the detector. 27,771 neutrino candidates were detected in 346 days of livetime. A rejection of 99.9999 % of the atmospheric muon background is achieved. The energy spectrum of the atmospheric neutrino flux is obtained using the TRUEE unfolding program. The unfolded spectrum of atmospheric muon neutrinos covers an energy range from 100 GeV to 1 PeV. Compared to the previous measurement using the detector in the 40-string configuration, the analysis presented here, extends the upper end of the atmospheric neutrino spectrum by more than a factor of two, reaching an energy region that has not been previously accessed by spectral measurements.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Eur Phys J C Part Fields Ano de publicação: 2015 Tipo de documento: Article País de publicação: França
Texto completo
Adicionar na Minha BVS
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Eur Phys J C Part Fields Ano de publicação: 2015 Tipo de documento: Article País de publicação: França