S
S. W. Barwick
Researcher at University of California, Irvine
Publications - 322
Citations - 16217
S. W. Barwick is an academic researcher from University of California, Irvine. The author has contributed to research in topics: Neutrino & Neutrino detector. The author has an hindex of 64, co-authored 322 publications receiving 14236 citations. Previous affiliations of S. W. Barwick include University of Delaware.
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Journal ArticleDOI
Evidence for High-Energy Extraterrestrial Neutrinos at the IceCube Detector
M. G. Aartsen,Rasha Abbasi,Y. Abdou,Markus Ackermann,Jenni Adams,Juanan Aguilar,Markus Ahlers,D. Altmann,J. Auffenberg,X. Bai,Michael J. Baker,S. W. Barwick,V. Baum,R. C. Bay,J. J. Beatty,S. Bechet,J. Becker Tjus,K.-H. Becker,M. L. Benabderrahmane,Segev BenZvi,P. Berghaus,D. Berley,Elisa Bernardini,A. Bernhard,D. Bertrand,D. Z. Besson,Gary Binder,Gary Binder,Daniel Bindig,M. Bissok,E. Blaufuss,J. Blumenthal,D. J. Boersma,S. Bohaichuk,C. Bohm,D. Bose,S. Böser,Olga Botner,L. Brayeur,H.-P. Bretz,A. M. Brown,R. Bruijn,Jürgen Brunner,M. J. Carson,J. Casey,M. Casier,Dmitry Chirkin,A. Christov,B. Christy,K. Clark,F. Clevermann,S. Coenders,Seth M. Cohen,D. F. Cowen,A. H. Cruz Silva,M. Danninger,J. Daughhetee,J. C. Davis,M. Day,C. De Clercq,S. De Ridder,Paolo Desiati,K. D. de Vries,Tyce DeYoung,Juan Carlos Diaz-Velez,Matt Dunkman,R. Eagan,B. Eberhardt,B. Eichmann,J. Eisch,R. W. Ellsworth,S. Euler,Paul Evenson,O. Fadiran,A. R. Fazely,Anatoli Fedynitch,J. Feintzeig,T. Feusels,Kirill Filimonov,Chad Finley,T. Fischer-Wasels,S. Flis,A. Franckowiak,K. Frantzen,T. Fuchs,Thomas K. Gaisser,J. C. Gallagher,L. Gerhardt,L. Gerhardt,L. Gladstone,Thorsten Glusenkamp,A. Goldschmidt,G. Golup,J. G. Gonzalez,J. A. Goodman,Dariusz Gora,Dylan T. Grandmont +96 more
TL;DR: The presence of a high-energy neutrino flux containing the most energetic neutrinos ever observed is revealed, including 28 events at energies between 30 and 1200 TeV, although the origin of this flux is unknown and the findings are consistent with expectations for a neutRino population with origins outside the solar system.
Journal ArticleDOI
Optical properties of deep glacial ice at the South Pole
Markus Ackermann,J. Ahrens,Xinhua Bai,M. Bartelt,S. W. Barwick,R. C. Bay,T. Becka,J. K. Becker,K.-H. Becker,P. Berghaus,Elisa Bernardini,D. Bertrand,D. J. Boersma,S. Böser,Olga Botner,Adam Bouchta,Othmane Bouhali,C.P. Burgess,T. Burgess,T. Castermans,Dmitry Chirkin,B. Collin,Jan Conrad,Jodi Cooley,D. F. Cowen,Anna Davour,C. De Clercq,C.P. de los Heros,Paolo Desiati,Tyce DeYoung,P. Ekström,T. Feser,Thomas K. Gaisser,R. Ganugapati,Heiko Geenen,L. Gerhardt,A. Goldschmidt,Axel Groß,Allan Hallgren,Francis Halzen,Kael Hanson,D. Hardtke,Torsten Harenberg,T. Hauschildt,K. Helbing,M. Hellwig,P. Herquet,G. C. Hill,Joseph T. Hodges,D. Hubert,B. Hughey,P. O. Hulth,K. Hultqvist,S. Hundertmark,Janet Jacobsen,Karl-Heinz Kampert,Albrecht Karle,M. Kestel,G. Kohnen,L. Köpke,Marek Kowalski,K. Kuehn,R. Lang,H. Leich,Matthias Leuthold,I. Liubarsky,Johan Lundberg,James Madsen,Pawel Marciniewski,H. S. Matis,C. P. McParland,T. Messarius,Y. Minaeva,P. Miocinovic,R. Morse,K. Münich,R. Nahnhauer,J. W. Nam,T. Neunhöffer,P. Niessen,D. R. Nygren,Ph. Olbrechts,A. C. Pohl,R. Porrata,P. B. Price,Gerald Przybylski,K. Rawlins,Elisa Resconi,Wolfgang Rhode,M. Ribordy,S. Richter,J. Rodríguez Martino,H. G. Sander,S. Schlenstedt,David A. Schneider,R. Schwarz,A. Silvestri,M. Solarz,Glenn Spiczak,Christian Spiering,Michael Stamatikos,D. Steele,P. Steffen,R. G. Stokstad,K. H. Sulanke,Ignacio Taboada,O. Tarasova,L. Thollander,S. Tilav,Wolfgang Wagner,C. Walck,M. Walter,Yi Wang,C. H. Wiebusch,R. Wischnewski,H. Wissing,Kurt Woschnagg +116 more
TL;DR: In this article, the authors used pulsed and continuous light sources embedded with the AMANDA neutrino telescope, an array of more than six hundred photomultiplier tubes buried deep in the ice.
Journal ArticleDOI
Measurements of the cosmic-ray positron fraction from 1 to 50 geV
S. W. Barwick,J. J. Beatty,A. Bhattacharyya,C. R. Bower,C. J. Chaput,S. Coutu,G. A. de Nolfo,G. A. de Nolfo,J. Knapp,D. M. Lowder,Shawn McKee,Dietrich Müller,J. A. Musser,S. L. Nutter,E. Schneider,S. P. Swordy,Gregory Tarle,A. D. Tomasch,E. Torbet +18 more
TL;DR: The positron fraction does not increase with energy above ≈ 10 GeV, although a small excess above purely secondary production cannot be ruled out as mentioned in this paper, which could possibly be a consequence of charge dependence in the level of solar modulation.
Journal ArticleDOI
Measurements of the Cosmic-Ray Positron Fraction From 1 to 50 GeV
S. W. Barwick,E. Schneider,J. J. Beatty,G. A. de Nolfo,A. Bhattacharyya,C. R. Bower,J. A. Musser,C. J. Chaput,S. Coutu,Shawn McKee,Gregory Tarle,A. D. Tomasch,J. Knapp,D. M. Lowder,Dietrich Müller,S. P. Swordy,E. Torbet,S. L. Nutter +17 more
TL;DR: The positron fraction does not increase with energy above ~10 GeV, although a small excess above purely secondary production cannot be ruled out as discussed by the authors, which could possibly be a consequence of charge dependence in the level of solar modulation.
Journal ArticleDOI
Cosmic-Ray Electrons and Positrons from 1 to 100 GeV: Measurements with HEAT and Their Interpretation
Michael DuVernois,Michael DuVernois,S. W. Barwick,J. J. Beatty,A. Bhattacharyya,C. R. Bower,C. J. Chaput,S. Coutu,G. A. de Nolfo,G. A. de Nolfo,D. M. Lowder,Shawn McKee,Dietrich Müller,J. A. Musser,S. L. Nutter,S. L. Nutter,E. Schneider,S. P. Swordy,Gregory Tarle,A. D. Tomasch,E. Torbet,E. Torbet +21 more
TL;DR: In this article, the energy spectra of negative electrons and positrons have been measured with the High-Energy Antimatter Telescope (HEAT) in two balloon flights (1994 May from Fort Sumner, NM, and 1995 August from Lynn Lake, Manitoba).