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Featured researches published by M. Graham.


Journal of Instrumentation | 2018

Photon detector system timing performance in the DUNE 35-ton prototype liquid argon time projection chamber

D. L. Adams; B. Eberly; S. Glavin; Z. Djurcic; D. Rivera; J. Freeman; D. Stefan; E. Worcester; T. Kutter; T. Yang; S. Mufson; T. Alion; M. Thiesse; N.J.C. Spooner; X. Qian; T. Dealtry; M. Graham; D. Brailsford; J. Stock; V.A. Kudryavtsev; L.F. Thompson; A. Higuera; J. Jacobsen; L. Bagby; J. Martin-Albo; R. J. Wilson; T.K. Warburton; A. Hahn; M. Stancari; J. Stewart

The 35-ton prototype for the Deep Underground Neutrino Experiment far detector was a single-phase liquid argon time projection chamber with an integrated photon detector system, all situated inside a membrane cryostat. The detector took cosmic-ray data for six weeks during the period of February 1, 2016 to March 12, 2016. The performance of the photon detection system was checked with these data. An installed photon detector was demonstrated to measure the arrival times of cosmic-ray muons with a resolution better than 32 ns, limited by the timing of the trigger system. A measurement of the timing resolution using closely-spaced calibration pulses yielded a resolution of 15 ns for pulses at a level of 6 photo-electrons. Scintillation light from cosmic-ray muons was observed to be attenuated with increasing distance with a characteristic length of


Archive | 2013

Working Group Report: New Light Weakly Coupled Particles

Rouven Essig; Jason H. Steffen; A. Hatzikoutelis; T. Averett; D.J.E. Marsh; James D. Bjorken; S. Andreas; Joerg Jaeckel; A. Ritz; Timothy Knight Nelson; T. Maruyama; S. Stepanyan; B. Dongwi; B. Vlahovic; A. Denig; J. Ruz; Surjeet Rajendran; O. Baker; M. Battaglieri; A. Weltman; D. Espriu; Bertrand Echenard; N. Kalantarians; F. Curciarello; Jesse Thaler; R. Cowan; B. Döbrich; V. Kubarovsky; A.S. Chou; I.G. Irastorza

155 pm 28


Archive | 2012

New light, weakly-coupled particles

J. I. Collar; B. Wojtsekhowski; I.G. Irastorza; Günter Wiedemann; J. Hartnett; Peter W. Graham; Jason H. Steffen; A. Gasparian; Natalia Toro; D. B. Tanner; John Jaros; M. Graham; P. Sikivie; Matthew R. Buckley; James Beacham; Philip Schuster; Kris Sigurdson; Neal Weiner; W. C. Wester; Axel Lindner; R. Povey; Joerg Jaeckel; Matthias Schwarz; I. Jaegle; S. Vahsen; Andrei Afanasev; Matthew J. Strassler; R. Van de Water; G. Carosi; David McKeen

cm.


arXiv: High Energy Physics - Phenomenology | 2011

Unitarity Triangle Angles from Penguin-Dominated B Meson Decays

M. Graham; Diego Tonelli; Jure Zupan

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Andrei Afanasev

Thomas Jefferson National Accelerator Facility

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B. Wojtsekhowski

Thomas Jefferson National Accelerator Facility

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Bertrand Echenard

California Institute of Technology

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