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Page 1
Atomic scattering factor of the ASTRO-H (Hitomi) SXT reflector around the gold's L edges.
Kikuchi N, Kurashima S, Ishida M, Iizuka R, Maeda Y, Hayashi T, Okajima T, Matsumoto H, Mitsuishi I, Saji S, Sato T, Tachibana S, Mori H, Christensen F, Brejnholt N, Nitta K, Uruga T. Kikuchi N, et al. Among authors: christensen f. Opt Express. 2016 Oct 31;24(22):25548-25564. doi: 10.1364/OE.24.025548. Opt Express. 2016. PMID: 27828493 Free article.
Demonstration of multilayer reflective optics at photon energies above 0.6 MeV.
Brejnholt NF, Soufli R, Descalle MA, Fernández-Perea M, Christensen FE, Jakobsen AC, Honkimäki V, Pivovaroff MJ. Brejnholt NF, et al. Among authors: christensen fe. Opt Express. 2014 Jun 30;22(13):15364-9. doi: 10.1364/OE.22.015364. Opt Express. 2014. PMID: 24977796 Free article.
Physics of reflective optics for the soft gamma-ray photon energy range.
Fernández-Perea M, Descalle MA, Soufli R, Ziock KP, Alameda J, Baker SL, McCarville TJ, Honkimäki V, Ziegler E, Jakobsen AC, Christensen FE, Pivovaroff MJ. Fernández-Perea M, et al. Phys Rev Lett. 2013 Jul 12;111(2):027404. doi: 10.1103/PhysRevLett.111.027404. Epub 2013 Jul 12. Phys Rev Lett. 2013. PMID: 23889443
W/SiC x-ray multilayers optimized for use above 100 keV.
Windt DL, Donguy S, Hailey CJ, Koglin J, Honkimaki V, Ziegler E, Christensen FE, Chen H, Harrison FA, Craig WW. Windt DL, et al. Appl Opt. 2003 May 1;42(13):2415-21. doi: 10.1364/ao.42.002415. Appl Opt. 2003. PMID: 12737477 Free article.
Asymmetries in core-collapse supernovae from maps of radioactive 44Ti in Cassiopeia A.
Grefenstette BW, Harrison FA, Boggs SE, Reynolds SP, Fryer CL, Madsen KK, Wik DR, Zoglauer A, Ellinger CI, Alexander DM, An H, Barret D, Christensen FE, Craig WW, Forster K, Giommi P, Hailey CJ, Hornstrup A, Kaspi VM, Kitaguchi T, Koglin JE, Mao PH, Miyasaka H, Mori K, Perri M, Pivovaroff MJ, Puccetti S, Rana V, Stern D, Westergaard NJ, Zhang WW. Grefenstette BW, et al. Among authors: christensen fe. Nature. 2014 Feb 20;506(7488):339-42. doi: 10.1038/nature12997. Nature. 2014. PMID: 24553239 Free article.
Supernovae. ⁴⁴Ti gamma-ray emission lines from SN1987A reveal an asymmetric explosion.
Boggs SE, Harrison FA, Miyasaka H, Grefenstette BW, Zoglauer A, Fryer CL, Reynolds SP, Alexander DM, An H, Barret D, Christensen FE, Craig WW, Forster K, Giommi P, Hailey CJ, Hornstrup A, Kitaguchi T, Koglin JE, Madsen KK, Mao PH, Mori K, Perri M, Pivovaroff MJ, Puccetti S, Rana V, Stern D, Westergaard NJ, Zhang WW. Boggs SE, et al. Among authors: christensen fe. Science. 2015 May 8;348(6235):670-1. doi: 10.1126/science.aaa2259. Science. 2015. PMID: 25954004
Extended hard-X-ray emission in the inner few parsecs of the Galaxy.
Perez K, Hailey CJ, Bauer FE, Krivonos RA, Mori K, Baganoff FK, Barrière NM, Boggs SE, Christensen FE, Craig WW, Grefenstette BW, Grindlay JE, Harrison FA, Hong J, Madsen KK, Nynka M, Stern D, Tomsick JA, Wik DR, Zhang S, Zhang WW, Zoglauer A. Perez K, et al. Nature. 2015 Apr 30;520(7549):646-9. doi: 10.1038/nature14353. Nature. 2015. PMID: 25925477
270 results