R
R. W. Ellsworth
Researcher at University of Maryland, College Park
Publications - 290
Citations - 26326
R. W. Ellsworth is an academic researcher from University of Maryland, College Park. The author has contributed to research in topics: Neutrino & Neutrino detector. The author has an hindex of 78, co-authored 282 publications receiving 24636 citations. Previous affiliations of R. W. Ellsworth include George Mason University.
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Journal ArticleDOI
Evidence for oscillation of atmospheric neutrinos
Y. Fukuda,T. Hayakawa,E. Ichihara,Kunio Inoue,K. Ishihara,H. Ishino,Yoshitaka Itow,Takaaki Kajita,J. Kameda,S. Kasuga,Ken-ichiro Kobayashi,Yohei Kobayashi,Yusuke Koshio,M. Miura,Masayuki Nakahata,S. Nakayama,A. Okada,Ko Okumura,N. Sakurai,Masato Shiozawa,Yoshihiro Suzuki,Y. Takeuchi,Y. Totsuka,Shinya Yamada,M. Earl,Alec Habig,E. Kearns,M. D. Messier,Kate Scholberg,J. L. Stone,Lawrence Sulak,C. W. Walter,M. Goldhaber,T. Barszczxak,D. Casper,W. Gajewski,P. G. Halverson,J. Hsu,W. R. Kropp,L. R. Price,Frederick Reines,Michael B. Smy,Henry W. Sobel,Mark R. Vagins,K. S. Ganezer,W. E. Keig,R. W. Ellsworth,S. Tasaka,J. W. Flanagan,A. Kibayashi,John G. Learned,S. Matsuno,V. J. Stenger,D. Takemori,T. Ishii,Junichi Kanzaki,T. Kobayashi,S. Mine,K. Nakamura,K. Nishikawa,Yuichi Oyama,A. Sakai,Makoto Sakuda,Osamu Sasaki,S. Echigo,M. Kohama,A. T. Suzuki,Todd Haines,Todd Haines,E. Blaufuss,B. K. Kim,R. Sanford,R. Svoboda,M. L. Chen,Z. Conner,Z. Conner,J. A. Goodman,G. W. Sullivan,J. Hill,C. K. Jung,K. Martens,C. Mauger,C. McGrew,E. Sharkey,B. Viren,C. Yanagisawa,W. Doki,Kazumasa Miyano,H. Okazawa,C. Saji,M. Takahata,Y. Nagashima,M. Takita,Takashi Yamaguchi,Minoru Yoshida,Soo-Bong Kim,M. Etoh,K. Fujita,Akira Hasegawa,Takehisa Hasegawa,S. Hatakeyama,T. Iwamoto,M. Koga,Tomoyuki Maruyama,Hiroshi Ogawa,J. Shirai,A. Suzuki,F. Tsushima,Masatoshi Koshiba,M. Nemoto,Kyoshi Nishijima,T. Futagami,Y. Hayato,Y. Kanaya,K. Kaneyuki,Y. Watanabe,D. Kielczewska,D. Kielczewska,R. A. Doyle,J. S. George,A. L. Stachyra,L. Wai,L. Wai,R. J. Wilkes,K. K. Young +124 more
Abstract: We present an analysis of atmospheric neutrino data from a 33.0 kton yr (535-day) exposure of the Super-Kamiokande detector. The data exhibit a zenith angle dependent deficit of muon neutrinos which is inconsistent with expectations based on calculations of the atmospheric neutrino flux. Experimental biases and uncertainties in the prediction of neutrino fluxes and cross sections are unable to explain our observation. The data are consistent, however, with two-flavor ${\ensuremath{
u}}_{\ensuremath{\mu}}\ensuremath{\leftrightarrow}{\ensuremath{
u}}_{\ensuremath{\tau}}$ oscillations with ${sin}^{2}2\ensuremath{\theta}g0.82$ and $5\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}l\ensuremath{\Delta}{m}^{2}l6\ifmmode\times\else\texttimes\fi{}1{0}^{\ensuremath{-}3}\mathrm{eV}{}^{2}$ at 90% confidence level.
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
First observation of PeV-energy neutrinos with IceCube
M. G. Aartsen,Rasha Abbasi,Y. Abdou,Markus Ackermann,Jenni Adams,Juanan Aguilar,Markus Ahlers,D. Altmann,J. Auffenberg,Xinhua Bai,Michael J. Baker,Steven W. Barwick,V. Baum,R. C. Bay,J. J. Beatty,S. Bechet,J. Becker Tjus,K. H. Becker,Michael S. Bell,M. L. Benabderrahmane,Segev BenZvi,J. Berdermann,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,Christian 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,C. De Clercq,S. De Ridder,Paolo Desiati,Tyce DeYoung,J. C. Díaz-Vélez,Matt Dunkman,R. Eagan,B. Eberhardt,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,R. Franke,K. Frantzen,T. Fuchs,Thomas K. Gaisser,Jay Gallagher,L. Gerhardt,L. Gerhardt,L. Gladstone,Thorsten Glusenkamp,A. Goldschmidt,G. Golup,Javier Gonzalez,J. A. Goodman,Dariusz Gora,Darren Grant,Axel Groß,M. Gurtner,C. Ha,C. Ha,A. Haj Ismail,P. Hallen,Allan Hallgren,Francis Halzen,Kael Hanson,D. Heereman,Dirk Heinen,K. Helbing,R. Hellauer,S. Hickford,G. C. Hill,Kara Hoffman,R. Hoffmann,A. Homeier,K. Hoshina,W. Huelsnitz,P. O. Hulth,Klas Hultqvist,S. Hussain,Aya Ishihara,E. Jacobi,J. E. Jacobsen,K. Jagielski,George Japaridze,K. Jero,O. Jlelati,B. Kaminsky,Alexander Kappes,Timo Karg,Albrecht Karle,J. L. Kelley,J. Kiryluk,Fabian Kislat,J. Kläs,Spencer Klein,Spencer Klein,J.-H. Köhne,G. Kohnen,Hermann Kolanoski,L. Köpke,C. Kopper,Sandro Kopper,D. J. Koskinen,M. Kowalski,M. Krasberg,K. Krings,G. Kroll,J. Kunnen,Naoko Kurahashi,Takao Kuwabara,M. Labare,H. Landsman,M. J. Larson,M. Lesiak-Bzdak,M. Leuermann,J. Leute,J. Lünemann,James Madsen,Reina H. Maruyama,K. Mase,H. S. Matis,Frank McNally,K. Meagher,M. Merck,Peter Mészáros,Thomas Meures,S. Miarecki,S. Miarecki,E. Middell,N. Milke,J. Miller,L. Mohrmann,Teresa Montaruli,R. Morse,R. Nahnhauer,U. Naumann,Hans Niederhausen,Sarah Nowicki,Dave Nygren,A. Obertacke,S. Odrowski,A. Olivas,M. Olivo,A. O'Murchadha,Larissa Paul,Joshua Pepper,C. Pérez de los Heros,C. Pfendner,Damian Pieloth,E. Pinat,N. Pirk,J. Posselt,P. B. Price,Gerald Przybylski,L. Rädel,Mohamed Rameez,K. Rawlins,P. Redl,René Reimann,Elisa Resconi,Wolfgang Rhode,M. Ribordy,M. Richman,Benedikt Riedel,J. P. Rodrigues,Carsten Rott,Tim Ruhe,B. Ruzybayev,Dirk Ryckbosch,S. M. Saba,T. Salameh,H. G. Sander,Marcos Santander,Subir Sarkar,K. Schatto,M. Scheel,F. Scheriau,T. O. B. Schmidt,M. Schmitz,S. Schoenen,S. Schöneberg,A. Schönwald,A. Schukraft,L. Schulte,O. Schulz,D. Seckel,Y. Sestayo,S. Seunarine,C. Sheremata,M. W. E. Smith,M. Soiron,Dennis Soldin,Glenn Spiczak,Christian Spiering,Michael Stamatikos,Todor Stanev,A. Stasik,T. Stezelberger,R. G. Stokstad,A. Stößl,E. A. Strahler,R. Ström,G. W. Sullivan,H. Taavola,Ignacio Taboada,A. Tamburro,Samvel Ter-Antonyan,G. Tešić,S. Tilav,P. A. Toale,Simona Toscano,M. Usner,D. van der Drift,D. van der Drift,N. van Eijndhoven,A. Van Overloop,J. van Santen,M. Vehring,M. Voge,Matthias Vraeghe,C. Walck,T. Waldenmaier,M. Wallraff,R. Wasserman,Ch. Weaver,M. Wellons,Chris Wendt,S. Westerhoff,Nathan Whitehorn,K. Wiebe,Christopher Wiebusch,Dawn Williams,H. Wissing,Matthias Wolf,T. R. Wood,Kurt Woschnagg,Chun Xu,Donglian Xu,Xianwu Xu,J. P. Yanez,G. B. Yodh,S. Yoshida,P. Zarzhitsky,J. Ziemann,S. Zierke,A. Zilles,M. Zoll +287 more
TL;DR: These two neutrino-induced events could be a first indication of an astrophysical neutrinos flux; the moderate significance, however, does not permit a definitive conclusion at this time.
Journal ArticleDOI
Measurement of atmospheric neutrino oscillation parameters by Super-Kamiokande I
Y. Ashie,J. Hosaka,K. Ishihara,Yoshitaka Itow,J. Kameda,Yusuke Koshio,A. Minamino,C. Mitsuda,M. Miura,Shigetaka Moriyama,Masayuki Nakahata,Toshio Namba,R. Nambu,Y. Obayashi,Masato Shiozawa,Yoshihiro Suzuki,Y. Takeuchi,K. Taki,Shinya Yamada,M. Ishitsuka,Takaaki Kajita,K. Kaneyuki,Shoei Nakayama,A. Okada,Ko Okumura,C. Saji,Y. Takenaga,S. Clark,Shantanu Desai,E. Kearns,S. Likhoded,J. L. Stone,L. R. Sulak,W. Wang,M. Goldhaber,David William Casper,J. P. Cravens,W. Gajewski,W. R. Kropp,D. W. Liu,S. Mine,Michael B. Smy,Henry W. Sobel,C. W. Sterner,Mark R. Vagins,K. S. Ganezer,John Hill,W. E. Keig,J. S. Jang,J. Y. Kim,I. T. Lim,Kate Scholberg,C. W. Walter,R. W. Ellsworth,S. Tasaka,G. Guillian,A. Kibayashi,John G. Learned,S. Matsuno,D. Takemori,M. D. Messier,Y. Hayato,A. K. Ichikawa,T. Ishida,T. Ishii,T. Iwashita,Takashi Kobayashi,T. Maruyama,Koji Nakamura,K. Nitta,Yuichi Oyama,Makoto Sakuda,Y. Totsuka,Atsumu Suzuki,Masaya Hasegawa,K. Hayashi,I. Kato,H. Maesaka,Taichi Morita,Tsuyoshi Nakaya,K. Nishikawa,T. Sasaki,S. Ueda,Shoji Yamamoto,Todd Haines,Todd Haines,S. Dazeley,S. Hatakeyama,R. Svoboda,E. Blaufuss,J. A. Goodman,G. W. Sullivan,D. Turcan,Alec Habig,Y. Fukuda,C. K. Jung,T. Kato,Katsuhiro Kobayashi,Magdalena Malek,C. Mauger,C. McGrew,A. Sarrat,E. Sharkey,C. Yanagisawa,T. Toshito,Kazumasa Miyano,N. Tamura,J. Ishii,Y. Kuno,Minoru Yoshida,S. B. Kim,J. Yoo,H. Okazawa,T. Ishizuka,Y. Choi,H. Seo,Y. Gando,Takehisa Hasegawa,Kunio Inoue,J. Shirai,A. Suzuki,Masatoshi Koshiba,Y. Nakajima,Kyoshi Nishijima,T. Harada,Hirokazu Ishino,Y. Watanabe,D. Kielczewska,D. Kielczewska,J. Zalipska,H. G. Berns,R. Gran,K. K. Shiraishi,A. L. Stachyra,K. Washburn,R. J. Wilkes +135 more
TL;DR: In this article, a combined analysis of fully-contained, partially-contained and upward-going muon atmospheric neutrino data from a 1489 d exposure of the Super-Kamiokande detector is presented.
Journal ArticleDOI
Measurements of the solar neutrino flux from Super-Kamiokande's first 300 days
Y. Fukuda,T. Hayakawa,E. Ichihara,Kunio Inoue,K. Ishihara,H. Ishino,Yoshitaka Itow,Takaaki Kajita,J. Kameda,S. Kasuga,K. Kobayashi,Yohei Kobayashi,Yusuke Koshio,K. Martens,M. Miura,Masayuki Nakahata,S. Nakayama,A. Okada,M. Oketa,Ko Okumura,M. Ota,N. Sakurai,Masato Shiozawa,Yasunari Suzuki,Y. Takeuchi,Y. Totsuka,Shinya Yamada,M. Earl,Alec Habig,J. T. Hong,E. Kearns,S. B. Kim,S. B. Kim,M. Masuzawa,M. D. Messier,Kate Scholberg,J. L. Stone,L. R. Sulak,C. W. Walter,M. Goldhaber,T. Barszczak,W. Gajewski,P. G. Halverson,J. Hsu,W. R. Kropp,L. R. Price,Frederick Reines,H. W. Sobel,Mark R. Vagins,K. S. Ganezer,W. E. Keig,R. W. Ellsworth,S. Tasaka,J. W. Flanagan,A. Kibayashi,John G. Learned,S. Matsuno,V. J. Stenger,D. Takemori,T. Ishii,Junichi Kanzaki,T. Kobayashi,K. Nakamura,K. Nishikawa,Yuichi Oyama,A. Sakai,Makoto Sakuda,Osamu Sasaki,S. Echigo,M. Kohama,A. T. Suzuki,Todd Haines,Todd Haines,E. Blaufuss,R. Sanford,R. Svoboda,M. L. Chen,Z. Conner,Z. Conner,J. A. Goodman,G. W. Sullivan,Masaki Mori,Masaki Mori,J. Hill,C. K. Jung,C. Mauger,C. McGrew,E. Sharkey,B. Viren,C. Yanagisawa,W. Doki,T. Ishizuka,T. Ishizuka,Y. Kitaguchi,H. Koga,Kazumasa Miyano,H. Okazawa,C. Saji,M. Takahata,A. Kusano,Y. Nagashima,M. Takita,T. Yamaguchi,Minoru Yoshida,M. Etoh,K. Fujita,Akira Hasegawa,Takehisa Hasegawa,S. Hatakeyama,T. Iwamoto,T. Kinebuchi,M. Koga,T. Maruyama,Hiroshi Ogawa,A. Suzuki,F. Tsushima,Masatoshi Koshiba,M. Nemoto,Kyoshi Nishijima,T. Futagami,Y. Hayato,Y. Kanaya,K. Kaneyuki,Y. Watanabe,D. Kielczewska,D. Kielczewska,R. A. Doyle,J. S. George,A. L. Stachyra,L. Wai,J. Wilkes,K. K. Young +131 more
TL;DR: The first results of the solar neutrino flux measurement from Super-Kamiokande are presented in this article, where the results are obtained from data taken between 31 May 1996, and 23 June 1997.