Chintan Shah
Chintan Shah
NASA Goddard Space Flight Center
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Laboratory measurements compellingly support a charge-exchange mechanism for the “dark matter”∼ 3.5 kev X-ray line
C Shah, S Dobrodey, S Bernitt, R Steinbrügge, JRC López-Urrutia, L Gu, ...
The Astrophysical Journal 833 (1), 52, 2016
Polarization measurement of dielectronic recombination transitions in highly charged krypton ions
C Shah, H Jörg, S Bernitt, S Dobrodey, R Steinbrügge, C Beilmann, ...
Physical Review A 92 (4), 042702, 2015
High Resolution Photoexcitation Measurements Exacerbate the Long-Standing Fe XVII Oscillator Strength Problem
S Kühn, C Shah, JRC López-Urrutia, K Fujii, R Steinbrügge, J Stierhof, ...
Physical Review Letters 124 (22), 225001, 2020
X-ray spectra of the Fe-L complex
L Gu, AJJ Raassen, J Mao, J de Plaa, C Shah, C Pinto, N Werner, ...
Astronomy & Astrophysics 627, A51, 2019
EUV spectroscopy of highly charged ions in an electron-beam ion trap
J Scheers, C Shah, A Ryabtsev, H Bekker, F Torretti, J Sheil, DA Czapski, ...
Physical Review A 101 (6), 062511, 2020
Revisiting the Fe XVII Line Emission Problem: Laboratory Measurements of the 3s–2p and 3d–2p Line-formation Channels
C Shah, JRC López-Urrutia, MF Gu, T Pfeifer, J Marques, F Grilo, ...
The Astrophysical Journal 881 (2), 100, 2019
X-ray spectra of the Fe-L complex-II. Atomic data constraints from the EBIT experiment and X-ray grating observations of Capella
L Gu, C Shah, J Mao, T Raassen, J De Plaa, C Pinto, H Akamatsu, ...
Astronomy & Astrophysics 641, A93, 2020
Polarization of k-shell dielectronic recombination satellite lines of fe xix–xxv and its application for diagnostics of anisotropies of hot plasmas
C Shah, P Amaro, R Steinbrügge, S Bernitt, JRC López-Urrutia, ...
The Astrophysical Journal Supplement Series 234 (2), 27, 2018
State-selective influence of the Breit interaction on the angular distribution of emitted photons following dielectronic recombination
P Amaro, C Shah, R Steinbrügge, C Beilmann, S Bernitt, ...
Physical Review A 95 (2), 022712, 2017
Strong higher-order resonant contributions to x-ray line polarization in hot plasmas
C Shah, P Amaro, R Steinbrügge, C Beilmann, S Bernitt, S Fritzsche, ...
Physical Review E 93 (6), 061201, 2016
Charge exchange in galaxy clusters
L Gu, J Mao, J de Plaa, AJJ Raassen, C Shah, JS Kaastra
Astronomy & Astrophysics 611, A26, 2018
New Measurement Resolves Key Astrophysical Fe XVII Oscillator Strength Problem
S Kühn, C Cheung, NS Oreshkina, R Steinbrügge, M Togawa, S Bernitt, ...
Physical Review Letters 129 (24), 245001, 2022
High-Precision Determination of Oxygen Transition Energy Excludes Incongruent Motion of Interstellar Oxygen
MA Leutenegger, S Kühn, P Micke, R Steinbrügge, J Stierhof, C Shah, ...
Physical Review Letters 125 (24), 243001, 2020
Compton polarimeter for 10–30 keV x rays
S Weber, C Beilmann, C Shah, S Tashenov
Review of Scientific Instruments 86 (9), 2015
High-resolution laboratory measurements of K-shell X-ray line polarization and excitation cross sections in helium-like S XV ions
C Shah, N Hell, A Hubbard, MF Gu, MJ MacDonald, ME Eckart, RL Kelley, ...
The Astrophysical Journal 914 (1), 34, 2021
Uncertainties in atomic data for modeling astrophysical charge exchange plasmas
L Gu, C Shah, R Zhang
Sensors 22 (3), 752, 2022
Observation of strong two-electron–one-photon transitions in few-electron ions
M Togawa, S Kühn, C Shah, P Amaro, R Steinbrügge, J Stierhof, N Hell, ...
Physical Review A 102 (5), 052831, 2020
EUV spectroscopy of Sn5+–Sn10+ ions in an electron beam ion trap and laser-produced plasmas
Z Bouza, J Scheers, A Ryabtsev, R Schupp, L Behnke, C Shah, J Sheil, ...
Journal of physics B: atomic, molecular and optical physics 53 (19), 195001, 2020
X-ray spectra of the Fe-L complex-III. Systematic uncertainties in atomic data
L Gu, C Shah, J Mao, AJJ Raassen, J de Plaa, C Pinto, H Akamatsu, ...
Astronomy & Astrophysics 664, A62, 2022
Comprehensive Laboratory Measurements Resolving the LMM Dielectronic Recombination Satellite Lines in Ne-like Fe xvii Ions
F Grilo, C Shah, S Kühn, R Steinbrügge, K Fujii, J Marques, MF Gu, ...
The Astrophysical Journal 913 (2), 140, 2021
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