R
Ryuta Hazama
Researcher at Osaka Sangyo University
Publications - 158
Citations - 3051
Ryuta Hazama is an academic researcher from Osaka Sangyo University. The author has contributed to research in topics: Double beta decay & Neutrino. The author has an hindex of 26, co-authored 158 publications receiving 2833 citations. Previous affiliations of Ryuta Hazama include University of Washington & Hiroshima University.
Papers
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Journal ArticleDOI
Combined analysis of all three phases of solar neutrino data from the Sudbury Neutrino Observatory
B. Aharmim,S. N. Ahmed,A. E. Anthony,N. Barros,E. W. Beier,Alain Bellerive,B. Beltran,M. Bergevin,M. Bergevin,S. D. Biller,K. Boudjemline,K. Boudjemline,Mark Guy Boulay,Bei Cai,Yuen-Dat Chan,D. Chauhan,M. L. Chen,B. T. Cleveland,G. A. Cox,X. Dai,X. Dai,X. Dai,H. Deng,J. A. Detwiler,M. DiMarco,P. J. Doe,G. Doucas,P.-L. Drouin,F. A. Duncan,M. Dunford,E. D. Earle,Steven Elliott,Steven Elliott,Hal Evans,G. T. Ewan,J. Farine,J. Farine,H. Fergani,F. Fleurot,R. J. Ford,Joseph A. Formaggio,Joseph A. Formaggio,N. Gagnon,J. Tm. Goon,K. Graham,K. Graham,E. Guillian,S. Habib,R. L. Hahn,A. L. Hallin,E. D. Hallman,P. J. Harvey,Ryuta Hazama,W. J. Heintzelman,J. Heise,J. Heise,J. Heise,R. L. Helmer,A. Hime,C. Howard,M. Huang,P. Jagam,B. Jamieson,N. A. Jelley,M. Jerkins,K. J. Keeter,J. R. Klein,L. L. Kormos,M. Kos,C. Kraus,C. B. Krauss,A. Krüger,T. Kutter,Christopher C. M. Kyba,R. Lange,J. Law,I. T. Lawson,K. T. Lesko,J. R. Leslie,J. C. Loach,R. MacLellan,S. Majerus,H. B. Mak,J. Maneira,R. D. Martin,N. McCauley,A. B. McDonald,S. McGee,M. L. Miller,Benjamin Monreal,Jocelyn Monroe,B. G. Nickel,A. J. Noble,H. M. O'Keeffe,N. S. Oblath,R. W. Ollerhead,G. D. Orebi Gann,S. M. Oser,R. A. Ott,S. J. M. Peeters,A. W. P. Poon,G. Prior,S. D. Reitzner,Keith Rielage,B. C. Robertson,R. G. H. Robertson,Rachel Rosten,M. H. Schwendener,J. A. Secrest,S. Seibert,Olivier Simard,J. J. Simpson,P. Skensved,T. Sonley,L. C. Stonehill,G. Tešić,N. Tolich,T. Tsui,R. Van Berg,B.A. VanDevender,C. J. Virtue,H. Wan Chan Tseung,D. L. Wark,Peter Watson,J. Wendland,N. West,J. F. Wilkerson,J. R. Wilson,J. M. Wouters,A. Wright,Minfang Yeh,F. Zhang,Kai Zuber +132 more
TL;DR: In this paper, a combined analysis of solar neutrino data from all phases of the Sudbury Neutrino Observatory was presented, which showed that particle identification information obtained from the proportional counters installed during the third phase improved background rejection in that phase of the experiment.
Journal ArticleDOI
The Majorana Demonstrator Neutrinoless Double-Beta Decay Experiment
N. Abgrall,E. Aguayo,F. T. Avignone,F. T. Avignone,A. S. Barabash,F. E. Bertrand,M. Boswell,V.B. Brudanin,Matthew Busch,A. S. Caldwell,Yuen-Dat Chan,C. D. Christofferson,D. C. Combs,J. A. Detwiler,P. J. Doe,Yuri Efremenko,V. Egorov,H. Ejiri,S. R. Elliott,J. Esterline,James E. Fast,P. Finnerty,F. M. Fraenkle,A. Galindo-Uribarri,G. K. Giovanetti,J. Goett,M. P. Green,J. Gruszko,V. E. Guiseppe,K. N. Gusev,A. L. Hallin,Ryuta Hazama,A. Hegai,Reyco Henning,Eric W. Hoppe,Stanley M. Howard,M. A. Howe,K. J. Keeter,M. F. Kidd,A. Knecht,O.I. Kochetov,S. I. Konovalov,Richard T. Kouzes,Brian D. LaFerriere,Jonathan D. Leon,L. E. Leviner,J. C. Loach,J. C. Loach,Paul N. Luke,S. MacMullin,R. D. Martin,Susanne Mertens,L. Mizouni,Masaharu Nomachi,John L. Orrell,C.M. O'Shaughnessy,Nicole R. Overman,D. G. Phillips,A. W. P. Poon,K. Pushkin,D. C. Radford,Keith Rielage,R. G. H. Robertson,M. C. Ronquest,Alexis G. Schubert,B. Shanks,Tatsushi Shima,M. Shirchenko,K. J. Snavely,N. Snyder,D. Steele,J. Strain,Anne-Marie Suriano,Janice L. Thompson,V. V. Timkin,Werner Tornow,R. L. Varner,S. Vasilyev,Kai Vetter,K. Vorren,B. R. White,J. F. Wilkerson,Thomas N. Williams,W. Xu,E. Yakushev,A. R. Young,Chang-Hong Yu,Vladimir Yumatov +87 more
TL;DR: The MAJORANA DEMONSTRATOR as mentioned in this paper is a detector for the double-beta decay of the isotope Ge with a mixed array of enriched and natural germanium detectors.
Journal ArticleDOI
Comment on "Evidence for Neutrinoless Double Beta Decay"
Craig E. Aalseth,F. T. Avignone,A. S. Barabash,Felix Boehm,R.L. Brodzinski,J. I. Collar,P. J. Doe,Hiroyasu Ejiri,Hiroyasu Ejiri,Steven Elliott,Ettore Fiorini,R. J. Gaitskell,Giorgio Gratta,Ryuta Hazama,K. Kazkaz,G. S. King,Richard T. Kouzes,Harry S. Miley,M. K. Moe,A. Morales,J. Morales,A. Piepke,R. G. H. Robertson,Werner Tornow,Petr Vogel,R. A. Warner,J. F. Wilkerson +26 more
TL;DR: In this article, the authors discuss several limitations in the analysis provided in that paper and conclude that there is no basis for the presented claim, and they further conclude that such a claim cannot be supported by the experimental observation of double-beta decay.
Journal Article
Electron energy spectra, fluxes, and day-night asymmetries of boron-8 solar neutrinos from the 391-day salt phase sno data set
B. Aharmim,S. N. Ahmed,A. E. Anthony,E. W. Beier,Alain Bellerive,M. Bergevin,S. D. Biller,J. Boger,M.G. Boulay,M. G. Bowler,T. V. Bullard,Yuen-Dat Chan,Min Chen,X. Chen,B. T. Cleveland,G. A. Cox,C. Currat,X. Dai,F. Dalnoki-Veress,H. Deng,P. J. Doe,R. S. Dosanjh,G. Doucas,C. A. Duba,F. A. Duncan,Monica Dunford,J. A. Dunmore,E. D. Earle,S. R. Elliott,Hal Evans,G. T. Ewan,J. Farine,H. Fergani,F. Fleurot,Joseph A. Formaggio,K. Frame,W. Frati,B. G. Fulsom,N. Gagnon,K. Graham,Darren Grant,R. L. Hahn,J. C. Hall,A. L. Hallin,E. D. Hallman,W. B. Handler,C. K. Hargrove,P. J. Harvey,Ryuta Hazama,K. M. Heeger,L. Heelan,W. J. Heintzelman,J. Heise,R. L. Helmer,R. J. Hemingway,Andrew Hime,C. Howard,Howe,M. Huang,P. Jagam,N. A. Jelley,Joshua R. Klein,L. L. Kormos,Kos,A. Krüger,C. Kraus,C. B. Krauss,A. V. Krumins,T. Kutter,Christopher C. M. Kyba,H. Labranche,R. Lange,J. Law,I. T. Lawson,K. T. Lesko,J. R. Leslie,I. Levine,J. C. Loach,S. Luoma,R. MacLellan,S. Majerus,H. B. Mak,J. Maneira,A. D. Marino,N. McCauley,A. B. McDonald,S. McGee,G. McGregor,C. Mifflin,K.K.S. Miknaitis,B. A. Moffat,C. W. Nally,Neubauer,Bernie G. Nickel,A. J. Noble,Eric B. Norman,N. S. Oblath,C. E. Okada,R. W. Ollerhead,John L. Orrell,S. M. Oser,C. Ouellet,S. J. M. Peeters,A. W. P. Poon,Keith Rielage,B. C. Robertson,R. G. H. Robertson,E. Rollin,S. S.E. Rosendahl,V. L. Rusu,M. H. Schwendener,S. R. Seibert,O. Simard,J. J. Simpson,C. J. Sims,David A. Sinclair,P. Skensved,M. W.E. Smith,N. Starinsky,R. G. Stokstad,L. C. Stonehill,Reda Tafirout,Y. Takeuchi,G. Tešić,Marcus J. Thomson,M. Thorman,T. Tsui,R. Van,Van Berg,de Water,C. J. Virtue,B. L. Wall,D. Waller,Chris Waltham,H. Wan,Chan Tseung,D. L. Wark,J. Wendland,N. West,J. F. Wilkerson,J. R. Wilson,Peter Wittich,J. M. Wouters,A. Wright,Minfang Yeh,Kai Zuber +145 more
TL;DR: Aharmim et al. as discussed by the authors reported the results of the complete salt phase of the Sudbury Neutrino Observatory experiment in which NaCl was dissolved in the D_2O target.
Journal ArticleDOI
Determination of the νe and total B8 solar neutrino fluxes using the Sudbury Neutrino Observatory Phase I data set
B. Aharmim,Q. R. Ahmad,S. N. Ahmed,R. C. Allen,T. C. Andersen,J. D. Anglin,G. Bühler,J. C. Barton,E. W. Beier,M. Bercovitch,M. Bergevin,M. Bergevin,J. Bigu,S. D. Biller,R. A. Black,I. Blevis,R. J. Boardman,J. Boger,E. Bonvin,M.G. Boulay,M.G. Boulay,M. G. Bowler,T. J. Bowles,S. J. Brice,M. C. Browne,M. C. Browne,T. V. Bullard,T.H. Burritt,J. Cameron,Yuen-Dat Chan,Herbert H. Chen,M. L. Chen,X. Chen,B. T. Cleveland,J. H.M. Cowan,D. F. Cowen,G. A. Cox,C. A. Currat,X. Dai,X. Dai,X. Dai,F. Dalnoki-Veress,W. F. Davidson,H. Deng,M. DiMarco,P. J. Doe,G. Doucas,M. R. Dragowsky,C. A. Duba,F. A. Duncan,Monica Dunford,J. A. Dunmore,E. D. Earle,Steven Elliott,Steven Elliott,Hal Evans,G. T. Ewan,J. Farine,H. Fergani,A. P. Ferraris,F. Fleurot,R. J. Ford,J. A. Formaggio,Malcolm M. Fowler,K. Frame,K. Frame,E. D. Frank,W. Frati,N. Gagnon,J. V. Germani,J. V. Germani,Salvador Gil,A. Goldschmidt,J. T.M. Goon,K. Graham,Darren Grant,E. Guillian,R. L. Hahn,A. L. Hallin,E. D. Hallman,A. S. Hamer,A. S. Hamer,A. A. Hamian,W. B. Handler,R. U. Haq,C. K. Hargrove,P. J. Harvey,Ryuta Hazama,K. M. Heeger,W. J. Heintzelman,J. Heise,J. Heise,J. Heise,R. L. Helmer,Reyco Henning,J. D. Hepburn,H. Heron,J. Hewett,Andrew Hime,C. Howard,M. A. Howe,M. Huang,J. G. Hykaway,M. C.P. Isaac,P. Jagam,B. Jamieson,N. A. Jelley,C. Jillings,G. Jonkmans,G. Jonkmans,K. Kazkaz,P. T. Keener,Klaus Kirch,Joshua R. Klein,A. B. Knox,R. J. Komar,L. L. Kormos,M. Kos,Richard T. Kouzes,A. Krüger,C. Kraus,C. B. Krauss,T. Kutter,Christopher C. M. Kyba,H. Labranche,R. Lange,J. Law,I. T. Lawson,M. Lay,H. W. Lee,K. T. Lesko,J. R. Leslie,I. Levine,J. C. Loach,W. Locke,S. Luoma,J. Lyon,R. MacLellan,S. Majerus,H. B. Mak,J. Maneira,A. D. Marino,R. D. Martin,N. McCauley,A. B. McDonald,D. S. McDonald,K. McFarlane,S. McGee,G. McGregor,R. Meijer Drees,H. Mes,C. Mifflin,K. K.S. Miknaitis,M. L. Miller,G. Milton,B. A. Moffat,Benjamin Monreal,M. Moorhead,M. Moorhead,B. Morrissette,C. W. Nally,Mark Neubauer,F. M. Newcomer,H. S. Ng,Bernie G. Nickel,A. J. Noble,E. B. Norman,V. M. Novikov,N. S. Oblath,C. E. Okada,H. M. O'Keeffe,R. W. Ollerhead,M. Omori,John L. Orrell,S. M. Oser,R. A. Ott,S. J. M. Peeters,A. W. P. Poon,G. Prior,S. D. Reitzner,Keith Rielage,Keith Rielage,A. Roberge,B. C. Robertson,R. G. H. Robertson,S. S.E. Rosendahl,J. K. Rowley,V. L. Rusu,E. Saettler,A. Schülke,M. H. Schwendener,J. A. Secrest,H. Seifert,H. Seifert,H. Seifert,M. Shatkay,J. J. Simpson,C. J. Sims,David A. Sinclair,David A. Sinclair,P. Skensved,Alan R. Smith,M. W.E. Smith,M. W.E. Smith,N. Starinsky,T. D. Steiger,R. G. Stokstad,L. C. Stonehill,L. C. Stonehill,R. S. Storey,Bhaskar Sur,Bhaskar Sur,Reda Tafirout,N. Tagg,Y. Takeuchi,N.W. Tanner,R. K. Taplin,M. Thorman,P. M. Thornewell,P. M. Thornewell,P. M. Thornewell,N. Tolich,P. T. Trent,Y. I. Tserkovnyak,T. Tsui,C. D. Tunnell,R. Van Berg,R. G. Van de Water,R. G. Van de Water,C. J. Virtue,T. J. Walker,B. L. Wall,Chris Waltham,H. Wan Chan Tseung,J. X. Wang,D. L. Wark,J. Wendland,N. West,J. B. Wilhelmy,J. F. Wilkerson,J. R. Wilson,Peter Wittich,J. M. Wouters,A. Wright,Minfang Yeh,Kai Zuber +245 more
TL;DR: The phase I data set of the Sudbury Neutrino Observatory (SNO) as discussed by the authors is based on a 0.65 kt-year exposure of heavy water to the solar 8B neutrino flux.