J. A. Graham
Durham University
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Publication
Featured researches published by J. A. Graham.
Physical Review D | 2017
Anthony M. Brown; Céline Bœhm; J. A. Graham; Thomas Lacroix; P. M. Chadwick; Joseph Silk
We report the discovery of a statistically significant hardening in the Fermi-LAT
arXiv: Instrumentation and Methods for Astrophysics | 2017
J.J. Watson; A. De Franco; A. Abchiche; D. Allan; J. P. Amans; T. Armstrong; A. Balzer; D. Berge; C. Boisson; J. J. Bousquet; A. M. Brown; M. Bryan; Gilles Buchholtz; P. M. Chadwick; H. Costantini; Garret Cotter; M. K. Daniel; F. De Frondat; Jean-Laurent Dournaux; D. J. P. Dumas; J.-P. Ernenwein; G. Fasola; S. Funk; J. Gironnet; J. A. Graham; T. Greenshaw; O. Hervet; N. Hidaka; J. A. Hinton; Jean-Michel Huet
\gamma
arXiv: Instrumentation and Methods for Astrophysics | 2017
L. Tibaldo; A. Abchiche; D. Allan; J. P. Amans; T. Armstrong; A. Balzer; D. Berge; C. Boisson; J. J. Bousquet; A. M. Brown; M. Bryan; Gilles Buchholtz; P. M. Chadwick; H. Costantini; Garret Cotter; M. K. Daniel; A. De Franco; F. De Frondat; Jean-Laurent Dournaux; D. J. P. Dumas; J.-P. Ernenwein; G. Fasola; S. Funk; J. Gironnet; J. A. Graham; T. Greenshaw; O. Hervet; N. Hidaka; J. A. Hinton; Jean-Michel Huet
-ray spectrum of Centaurus As core, with the spectral index hardening from
Proceedings of SPIE | 2016
Anthony M. Brown; P. M. Chadwick; Miranda Frizzelle; Markus Gaug; Paul J. Clark; J. A. Graham; T. Armstrong
\Gamma_{1}=2.73 \pm 0.02
Proceedings of 7th International Fermi Symposium — PoS(IFS2017) | 2017
T. Armstrong; J. A. Graham
to
HIGH ENERGY GAMMA-RAY ASTRONOMY: 6th International Meeting on High Energy Gamma-Ray Astronomy | 2017
T. Armstrong; A. M. Brown; P. M. Chadwick; J. A. Graham; S. J. Nolan
\Gamma_{1}=2.29 \pm 0.07
HIGH ENERGY GAMMA-RAY ASTRONOMY: 6th International Meeting on High Energy Gamma-Ray Astronomy | 2017
J. A. Graham; Anthony M. Brown; Céline Bœhm; Thomas Lacroix; P. M. Chadwick; Joseph Silk
at a break energy of (
Proceedings of the International Astronomical Union | 2016
P. M. Chadwick; Anthony M. Brown; Celine Boehm; J. A. Graham; Thomas Lacroix; Joseph Silk
2.6 \pm 0.3
Proceedings of SPIE | 2016
J. L. Dournaux; A. Abchiche; D. Allan; J. P. Amans; T. Armstrong; A. Balzer; D. Berge; C. Boisson; J. J. Bousquet; A. M. Brown; M. Bryan; G. Buchholtz; P. M. Chadwick; H. Costantini; Garret Cotter; L. Dangeon; M. K. Daniel; A. De Franco; F. De Frondat; D. Dumas; J.-P. Ernenwein; G. Fasola; S. Funk; J. Gironnet; J. A. Graham; T. Greenshaw; B. Hameau; O. Hervet; N. Hidaka; J. A. Hinton
) GeV. Using a likelihood analysis, we find no evidence for flux variability in Cen As core lightcurve above or below the spectral break when considering the entire 8 year period. Interestingly, however, the first
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2016
Anthony M. Brown; A. Abchiche; D. Allan; J. P. Amans; T. Armstrong; A. Balzer; D. Berge; C. Boisson; J. J. Bousquet; M. Bryan; G. Buchholtz; P. M. Chadwick; H. Costantini; Garret Cotter; M. K. Daniel; A. De Franco; F. De Frondat; J. L. Dournaux; D. Dumas; G. Fasola; S. Funk; J. Gironnet; J. A. Graham; T. Greenshaw; O. Hervet; N. Hidaka; J. A. Hinton; J. M. Huet; I. Jegouzo; T. Jogler
\sim3.5
