R
R. Armstrong
Researcher at Indiana University
Publications - 14
Citations - 1992
R. Armstrong is an academic researcher from Indiana University. The author has contributed to research in topics: MINOS & Neutrino. The author has an hindex of 14, co-authored 14 publications receiving 1918 citations.
Papers
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Journal ArticleDOI
Observation of muon neutrino disappearance with the MINOS detectors in the NuMI neutrino beam
D. G. Michael,P. Adamson,P. Adamson,P. Adamson,T. Alexopoulos,W.W.M. Allison,G. J. Alner,Kevin Anderson,C. Andreopoulos,M. P. Andrews,R. Andrews,K. E. Arms,R. Armstrong,C. Arroyo,D. J. Auty,S. Avvakumov,D. S. Ayres,B. Baller,B. C. Barish,M. A. Barker,Peter D. Barnes,G.D. Barr,William L. Barrett,E. Beall,E. Beall,B. R. Becker,A. Belias,T. Bergfeld,R. H. Bernstein,D. Bhattacharya,M. Bishai,Andrew Blake,V. Bocean,B. Bock,G. J. Bock,J. Boehm,D. J. Boehnlein,D. Bogert,P. M. Border,C. R. Bower,S. Boyd,E. Buckley-Geer,C. Bungau,A. Byon-Wagner,Anatael Cabrera,John Derek Chapman,Thomas R. Chase,D. Cherdack,S. Chernichenko,S. Childress,B. C. Choudhary,B. C. Choudhary,J. H. Cobb,J. D. Cossairt,H. Courant,D. Crane,A. J. Culling,J. W. Dawson,J. K. de Jong,D. M. DeMuth,A. De Santo,M. Dierckxsens,M. V. Diwan,M. Dorman,M. Dorman,G. Drake,D. Drakoulakos,R. Ducar,T. Durkin,A. R. Erwin,Carlos Escobar,J. J. Evans,O. Fackler,E. Falk Harris,G. J. Feldman,N. Felt,T. H. Fields,R. Ford,M. V. Frohne,H. R. Gallagher,M. Gebhard,G. A. Giurgiu,A. Godley,J. Gogos,M. C. Goodman,Yu. A. Gornushkin,P. Gouffon,R. Gran,E. Grashorn,N. Grossman,J. J. Grudzinski,K. Grzelak,V. J. Guarino,Alec Habig,R. Halsall,J. Hanson,D. A. Harris,Philip Harris,J. Hartnell,J. Hartnell,E. P. Hartouni,R. Hatcher,Ken Heller,N. Hill,Y. Ho,A. Holin,C. Howcroft,C. Howcroft,J. Hylen,M. Ignatenko,D. Indurthy,G. M. Irwin,M. Ishitsuka,D. E. Jaffe,C. James,L. Jenner,D. A. Jensen,T. Joffe-Minor,T. Kafka,H. J. Kang,S. M S Kasahara,J. Kilmer,Hyun-Chul Kim,M. S. Kim,G. Koizumi,Sacha E Kopp,M. Kordosky,M. Kordosky,D. J. Koskinen,D. J. Koskinen,M. Kostin,S. K. Kotelnikov,D. Krakauer,A. E. Kreymer,S. Kumaratunga,A. S. Ladran,Karol Lang,C. Laughton,A. Lebedev,R. Lee,Weonjong Lee,M. Libkind,Ji-Yong Liu,P. J. Litchfield,P. J. Litchfield,R. P. Litchfield,N. P. Longley,P. Lucas,W. Luebke,S. Madani,E. Maher,V. Makeev,W. A. Mann,A. Marchionni,A. D. Marino,Marvin L Marshak,John Marshall,N. Mayer,J. McDonald,A. M. McGowan,A. M. McGowan,J. R. Meier,G. I. Merzon,M. D. Messier,M. D. Messier,R. H. Milburn,John Miller,John Miller,Warner A. Miller,S.R. Mishra,S.R. Mishra,A. Mislivec,P. S. Miyagawa,C. D. Moore,Jorge G. Morfin,R. Morse,L. Mualem,S. L. Mufson,S. Murgia,M. J. Murtagh,J. A. Musser,D. Naples,C. Nelson,J. K. Nelson,J. K. Nelson,J. K. Nelson,Harvey B Newman,F. A. Nezrick,R. J. Nichol,T. C. Nicholls,Juan Pedro Ochoa-Ricoux,J. Oliver,W. P. Oliver,V.A. Onuchin,T. Osiecki,R. Ospanov,J. M. Paley,V. Paolone,A. Para,T. Patzak,Ž Pavlović,G. F. Pearce,N. Pearson,C. W. Peck,Carole C. Perry,E. A. Peterson,D. A. Petyt,D. A. Petyt,D. A. Petyt,H. Ping,R. Piteira,R. Pittam,A. Pla-Dalmau,R. K. Plunkett,L. E. Price,M. Proga,D. Pushka,D. Rahman,R. A. Rameika,T. M. Raufer,A. L. Read,B. Rebel,B. Rebel,J. Reichenbacher,D. E. Reyna,C. Rosenfeld,H. A. Rubin,K. Ruddick,V. A. Ryabov,Ruben Saakyan,Mcd Sanchez,Mcd Sanchez,Niki Saoulidou,J. Schneps,Paul Schoessow,P. Schreiner,Reinhard Schwienhorst,V. K. Semenov,S. M. Seun,P. Shanahan,P.D. Shield,W. Smart,V. Smirnitsky,Caleb Smith,Caleb Smith,Caleb Smith,P. N. Smith,A. Sousa,A. Sousa,B. Speakman,P. Stamoulis,A. Stefanik,P. Sullivan,J. M. Swan,P. A. Symes,N. Tagg,N. Tagg,R. L. Talaga,Alexander Terekhov,E. Tetteh-Lartey,Juergen Thomas,Juergen Thomas,Juergen Thomas,J. A. Thompson,M. A. Thomson,J. L. Thron,G. Tinti,R. Trendler,J. Trevor,I. Trostin,V. A. Tsarev,G. Tzanakos,J. Urheim,J. Urheim,P. Vahle,P. Vahle,M. Vakili,K. Vaziri,C. Velissaris,V. Verebryusov,B. Viren,L. Wai,C. P. Ward,D. R. Ward,M. Watabe,A. C. Weber,A. C. Weber,R. C. Webb,A. A. Wehmann,N. West,C. White,Randall White,Stanley G. Wojcicki,Douglas Wright,Q. K. Wu,W. G. Yan,T. Yang,Francisco Yumiceva,J. C. Yun,H. Zheng,M. Zois,R. Zwaska,R. Zwaska +302 more
TL;DR: In this article, the MINOS experiment reported results from its initial exposure to neutrinos from the Fermilab NuMI beam, and the rate and energy spectra of charged current muon neutrino interactions are compared in two detectors located along the beam axis at distances of 1 km and 735 km.
Journal ArticleDOI
Measurement of neutrino oscillations with the MINOS detectors in the NuMI beam.
P. Adamson,C. Andreopoulos,K. E. Arms,R. Armstrong,D. J. Auty,D. S. Ayres,B. Baller,Peter D. Barnes,G.D. Barr,William L. Barrett,B. R. Becker,A. Belias,R. H. Bernstein,D. Bhattacharya,M. Bishai,Andrew Blake,G. J. Bock,J. Boehm,D. J. Boehnlein,D. Bogert,C. R. Bower,E. Buckley-Geer,S. Cavanaugh,John Derek Chapman,D. Cherdack,S. Childress,Brajesh C Choudhary,J. H. Cobb,S. J. Coleman,A. J. Culling,J. K. de Jong,M. Dierckxsens,M. V. Diwan,M. Dorman,M. Dorman,S. A. Dytman,Carlos Escobar,J. J. Evans,J. J. Evans,E. Falk Harris,G. J. Feldman,M. V. Frohne,H. R. Gallagher,A. Godley,M. C. Goodman,P. Gouffon,R. Gran,E. Grashorn,N. Grossman,K. Grzelak,K. Grzelak,Alec Habig,D. A. Harris,Philip Harris,J. Hartnell,J. Hartnell,R. Hatcher,Ken Heller,A. Himmel,A. Holin,J. Hylen,G. M. Irwin,M. Ishitsuka,D. E. Jaffe,C. James,D. A. Jensen,T. Kafka,S. M S Kasahara,J. J. Kim,M. S. Kim,G. Koizumi,Sacha E Kopp,M. Kordosky,M. Kordosky,D. J. Koskinen,S. K. Kotelnikov,A. E. Kreymer,S. Kumaratunga,Karol Lang,P. J. Litchfield,R. P. Litchfield,L. Loiacono,Philippe Lucas,Jian Ma,W. A. Mann,A. Marchionni,Marvin L Marshak,John Marshall,N. Mayer,A. M. McGowan,A. M. McGowan,J. R. Meier,G. I. Merzon,M. D. Messier,C. J. Metelko,D. G. Michael,John Miller,Warner A. Miller,S. R. Mishra,C. D. Moore,Jorge G. Morfin,L. Mualem,S. L. Mufson,S. Murgia,J. A. Musser,D. Naples,J. K. Nelson,Harvey B Newman,R. J. Nichol,T. C. Nicholls,Juan Pedro Ochoa-Ricoux,W. P. Oliver,R. Ospanov,J. M. Paley,V. Paolone,A. Para,T. Patzak,Ž Pavlović,Gregory J Pawloski,G. F. Pearce,C. W. Peck,E. A. Peterson,David Petyt,R. Pittam,R. K. Plunkett,A. Rahaman,R. A. Rameika,T. M. Raufer,B. Rebel,J. Reichenbacher,P. A. Rodrigues,C. Rosenfeld,H. A. Rubin,K. Ruddick,V. A. Ryabov,M. C. Sanchez,M. C. Sanchez,Niki Saoulidou,J. Schneps,P. Schreiner,S. M. Seun,P. Shanahan,W. Smart,Caleb Smith,A. Sousa,B. Speakman,P. Stamoulis,Matthew L Strait,P. A. Symes,N. Tagg,R. L. Talaga,M. A. Tavera,Juergen Thomas,J. A. Thompson,M. A. Thomson,J. L. Thron,G. Tinti,I. Trostin,V. A. Tsarev,G. Tzanakos,J. Urheim,P. Vahle,P. Vahle,B. Viren,C. P. Ward,D. R. Ward,M. Watabe,A. C. Weber,R. C. Webb,A. A. Wehmann,N. West,C. White,Stanley G. Wojcicki,Douglas Wright,T. Yang,M. Zois,K. Zhang,R. Zwaska +177 more
TL;DR: The data disfavor two alternative explanations for the disappearance of neutrinos in flight: namely, neutrino decays into lighter particles and quantum decoherence of neutRinos, at the 3.7 and 5.7 standard-deviation levels, respectively.
Journal ArticleDOI
Measurement of the Neutrino Mass Splitting and Flavor Mixing by MINOS
P. Adamson,C. Andreopoulos,R. Armstrong,D. J. Auty,D. S. Ayres,C. Backhouse,G.D. Barr,M. Bishai,Andrew Blake,G. J. Bock,D. J. Boehnlein,D. Bogert,S. Cavanaugh,D. Cherdack,S. Childress,Brajesh C Choudhary,Joao A B Coelho,S. J. Coleman,L. Corwin,Daniel P Cronin-Hennessy,I. Z. Danko,J. K. de Jong,N. E. Devenish,M. V. Diwan,M. Dorman,Carlos Escobar,J. J. Evans,E. Falk,G. J. Feldman,M. V. Frohne,H. R. Gallagher,R. A. Gomes,Maury Goodman,P. Gouffon,N. Graf,R. Gran,N. Grant,K. Grzelak,Alec Habig,D. A. Harris,J. Hartnell,R. Hatcher,A. Himmel,A. Holin,Xian-Rong Huang,J. Hylen,J. Ilic,G. M. Irwin,Z. Isvan,D. E. Jaffe,C. James,D. A. Jensen,T. Kafka,S. M. S. Kasahara,G. Koizumi,Sacha E Kopp,M. Kordosky,A. E. Kreymer,Karol Lang,G. Lefeuvre,P. J. Litchfield,R. P. Litchfield,L. Loiacono,P. Lucas,W. A. Mann,Marvin L Marshak,N. Mayer,A. M. McGowan,R. Mehdiyev,J. R. Meier,M. D. Messier,D. G. Michael,W. H. Miller,S. R. Mishra,John C. Mitchell,C. D. Moore,Jorge G. Morfin,L. Mualem,S. L. Mufson,J. A. Musser,D. Naples,J. K. Nelson,Harvey B Newman,R. J. Nichol,J. A. Nowak,W. P. Oliver,M. Orchanian,R. Ospanov,J. M. Paley,R. B. Patterson,Gregory J Pawloski,G. F. Pearce,David Petyt,S. Phan-Budd,R. K. Plunkett,X. Qiu,J. Ratchford,T. M. Raufer,B. Rebel,P. A. Rodrigues,C. Rosenfeld,H. A. Rubin,M. C. Sanchez,J. Schneps,P. Schreiner,P. Shanahan,Caleb Smith,A. Sousa,P. Stamoulis,Matthew L Strait,N. Tagg,R. L. Talaga,Juergen Thomas,M. A. Thomson,G. Tinti,R. Toner,G. Tzanakos,J. Urheim,P. Vahle,B. Viren,A. C. Weber,R. C. Webb,Christopher G. White,L. Whitehead,Stanley G. Wojcicki,T. Yang,R. Zwaska +126 more
TL;DR: Measurements of neutrino oscillations using the disappearance of muon neutrinos from the Fermilab NuMI Neutrino beam as observed by the two MINOS detectors are reported.
Journal ArticleDOI
Measurement of neutrino velocity with the MINOS detectors and NuMI neutrino beam
P. Adamson,P. Adamson,C. Andreopoulos,K. E. Arms,R. Armstrong,D. J. Auty,S. Avvakumov,D. S. Ayres,B. Baller,B. C. Barish,Peter D. Barnes,G.D. Barr,William L. Barrett,E. Beall,E. Beall,B. R. Becker,A. Belias,T. Bergfeld,R. H. Bernstein,D. Bhattacharya,M. Bishai,Andrew Blake,B. Bock,G. J. Bock,J. Boehm,D. J. Boehnlein,D. Bogert,P. M. Border,C. R. Bower,E. Buckley-Geer,Anatael Cabrera,John Derek Chapman,D. Cherdack,S. Childress,Brajesh C Choudhary,J. H. Cobb,S. J. Coleman,A. J. Culling,J. K. De Jong,A. De Santo,M. Dierckxsens,M. V. Diwan,M. Dorman,M. Dorman,D. Drakoulakos,T. Durkin,A. R. Erwin,Carlos Escobar,J. J. Evans,E. Falk Harris,G. J. Feldman,T. H. Fields,T. Fitzpatrick,R. Ford,M. V. Frohne,H. R. Gallagher,G. A. Giurgiu,A. Godley,J. Gogos,M. C. Goodman,P. Gouffon,R. Gran,E. Grashorn,N. Grossman,K. Grzelak,Alec Habig,D. A. Harris,Philip Harris,J. Hartnell,E. P. Hartouni,R. Hatcher,Ken Heller,A. Holin,C. Howcroft,J. Hylen,D. Indurthy,G. M. Irwin,M. Ishitsuka,D. E. Jaffe,C. James,L. Jenner,D. A. Jensen,T. Joffe-Minor,T. Kafka,H. J. Kang,S. M S Kasahara,M. S. Kim,G. Koizumi,Sacha E Kopp,M. Kordosky,D. J. Koskinen,S. K. Kotelnikov,A. E. Kreymer,S. Kumaratunga,Karol Lang,A. Lebedev,Raymond Lee,Ji-Yong Liu,P. J. Litchfield,R. P. Litchfield,P. Lucas,W. Luebke,W. A. Mann,A. Marchionni,A. D. Marino,Marvin L Marshak,John Marshall,N. Mayer,A. M. McGowan,A. M. McGowan,J. R. Meier,G. I. Merzon,M. D. Messier,D. G. Michael,R. H. Milburn,John Miller,Warner A. Miller,S. R. Mishra,A. Mislivec,P. S. Miyagawa,C. D. Moore,Jorge G. Morfin,L. Mualem,L. Mualem,S. L. Mufson,S. Murgia,J. A. Musser,D. Naples,J. K. Nelson,Harvey B Newman,R. J. Nichol,T. C. Nicholls,Juan Pedro Ochoa-Ricoux,W. P. Oliver,T. Osiecki,R. Ospanov,J. M. Paley,V. Paolone,A. Para,T. Patzak,Ž Pavlović,G. F. Pearce,C. W. Peck,Carole C. Perry,E. A. Peterson,David Petyt,H. Ping,R. Piteira,R. Pittam,R. K. Plunkett,D. Rahman,R. A. Rameika,T. M. Raufer,B. Rebel,J. Reichenbacher,D. E. Reyna,C. Rosenfeld,H. A. Rubin,K. Ruddick,V. A. Ryabov,Ruben Saakyan,M. C. Sanchez,Niki Saoulidou,D. Saranen,J. Schneps,P. Schreiner,V. K. Semenov,S. M. Seun,P. Shanahan,W. Smart,V. Smirnitsky,Caleb Smith,Caleb Smith,A. Sousa,A. Sousa,B. Speakman,P. Stamoulis,P. A. Symes,N. Tagg,N. Tagg,R. L. Talaga,E. Tetteh-Lartey,Juergen Thomas,J. A. Thompson,M. A. Thomson,J. L. Thron,G. Tinti,I. Trostin,V. A. Tsarev,G. Tzanakos,J. Urheim,P. Vahle,V. Verebryusov,B. Viren,C. P. Ward,D. R. Ward,M. Watabe,A. C. Weber,A. C. Weber,R. C. Webb,A. A. Wehmann,N. West,C. White,Stanley G. Wojcicki,Douglas Wright,Q. K. Wu,T. Yang,Francisco Yumiceva,H. Zheng,M. Zois,R. Zwaska +210 more
TL;DR: In this article, the authors measured the velocity of a similar to 3 GeV neutrino beam by comparing detection times at the near and far detectors of the MINOS experiment, separated by 734 km.
Journal ArticleDOI
Study of muon neutrino disappearance using the Fermilab Main Injector neutrino beam
P. Adamson,P. Adamson,C. Andreopoulos,K. E. Arms,R. Armstrong,D. J. Auty,S. Avvakumov,D. S. Ayres,B. Baller,B. C. Barish,Peter D. Barnes,G.D. Barr,William L. Barrett,E. Beall,E. Beall,E. Beall,B. R. Becker,A. Belias,R. H. Bernstein,D. Bhattacharya,M. Bishai,Andrew Blake,B. Bock,G. J. Bock,J. Boehm,D. J. Boehnlein,D. Bogert,P. M. Border,C. R. Bower,E. Buckley-Geer,Anatael Cabrera,S. Cavanaugh,John Derek Chapman,D. Cherdack,S. Childress,Brajesh C Choudhary,Brajesh C Choudhary,J. H. Cobb,S. J. Coleman,A. J. Culling,J. K. de Jong,M. Dierckxsens,M. V. Diwan,M. Dorman,M. Dorman,D. Drakoulakos,T. Durkin,S. A. Dytman,A. R. Erwin,Carlos Escobar,J. J. Evans,E. Falk Harris,G. J. Feldman,T. H. Fields,R. Ford,M. V. Frohne,M. V. Frohne,H. R. Gallagher,A. Godley,J. Gogos,M. C. Goodman,P. Gouffon,R. Gran,E. Grashorn,N. Grossman,K. Grzelak,Alec Habig,D. A. Harris,Philip Harris,J. Hartnell,E. P. Hartouni,R. Hatcher,Ken Heller,A. Himmel,A. Holin,C. Howcroft,J. Hylen,D. Indurthy,G. M. Irwin,M. Ishitsuka,D. E. Jaffe,C. James,L. Jenner,D. A. Jensen,T. Kafka,H. J. Kang,S. M S Kasahara,M. S. Kim,G. Koizumi,Sacha E Kopp,M. Kordosky,M. Kordosky,D. J. Koskinen,S. K. Kotelnikov,A. E. Kreymer,S. Kumaratunga,Karol Lang,A. Lebedev,Raymond Lee,Raymond Lee,Ji-Yong Liu,P. J. Litchfield,R. P. Litchfield,L. Loiacono,P. Lucas,W. A. Mann,A. Marchionni,A. D. Marino,Marvin L Marshak,John Marshall,N. Mayer,N. Mayer,A. M. McGowan,A. M. McGowan,A. M. McGowan,J. R. Meier,G. I. Merzon,M. D. Messier,C. J. Metelko,D. G. Michael,R. H. Milburn,John Miller,Warner A. Miller,S. R. Mishra,A. Mislivec,C. D. Moore,Jorge G. Morfin,L. Mualem,L. Mualem,S. L. Mufson,S. Murgia,J. A. Musser,D. Naples,J. K. Nelson,Harvey B Newman,R. J. Nichol,T. C. Nicholls,Juan Pedro Ochoa-Ricoux,W. P. Oliver,T. Osiecki,R. Ospanov,J. M. Paley,V. Paolone,A. Para,T. Patzak,Ž Pavlović,G. F. Pearce,C. W. Peck,E. A. Peterson,David Petyt,H. Ping,R. Pittam,R. K. Plunkett,D. Rahman,R. A. Rameika,T. M. Raufer,T. M. Raufer,B. Rebel,J. Reichenbacher,D. E. Reyna,P. A. Rodrigues,C. Rosenfeld,H. A. Rubin,K. Ruddick,V. A. Ryabov,Ruben Saakyan,Mcd Sanchez,Niki Saoulidou,J. Schneps,P. Schreiner,V. K. Semenov,S. M. Seun,P. Shanahan,W. Smart,V. Smirnitsky,Caleb Smith,Caleb Smith,A. Sousa,A. Sousa,B. Speakman,P. Stamoulis,Matthew L Strait,P. A. Symes,N. Tagg,N. Tagg,R. L. Talaga,E. Tetteh-Lartey,Juergen Thomas,J. A. Thompson,M. A. Thomson,J. L. Thron,J. L. Thron,G. Tinti,I. Trostin,V. A. Tsarev,G. Tzanakos,J. Urheim,P. Vahle,P. Vahle,V. Verebryusov,B. Viren,Christopher P. Ward,D. R. Ward,M. Watabe,A. C. Weber,A. C. Weber,R. C. Webb,A. A. Wehmann,N. West,C. White,Stanley G. Wojcicki,Douglas Wright,T. Yang,H. Zheng,M. Zois,R. Zwaska +215 more
TL;DR: In this paper, the results of a search for ν-μ disappearance by the Main Injector Neutrino Oscillation Search (MINOS) were reported.