Search Results - "Brage, T"

Hinode/EIS Coronal Magnetic Field Measurements at the Onset of a C2 Flare by Landi, E., Li, W., Brage, T., Hutton, R.

“…Abstract We study Hinode/EIS observations of an active region taken before, during, and after a small C2.0 flare in order to monitor the evolution of the…”
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Hinode/EIS Measurements of Active-region Magnetic Fields by Landi, E., Hutton, R., Brage, T., Li, W.

“…The present work illustrates the potential of a new diagnostic technique that allows the measurement of the coronal magnetic field strength in solar active…”
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A Theoretical Investigation of the Magnetic-field-induced Transition in Fe X, of Importance for Measuring Magnetic Field Strengths in the Solar Corona by Li, W., Li, M., Wang, K., Brage, T., Hutton, R., Landi, E.

“…Abstract The use of the magnetic-field-induced transition (MIT) in Fe X for the measurement of the magnetic field strength in the solar corona has been…”
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SUMER Measurement of the Fe x 3p 43d 4D5/2,7/2 Energy Difference by Landi, E., Hutton, R., Brage, T., Li, W.

“…Recent studies have shown that magnetic fields in the solar corona are strong enough to significantly mix the two 3p 43d 4D5/2,7/2 levels in Cl-like Fe x. This…”
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Time-Stretched Spectroscopy by the Quantum Zeno Effect: The Case of Auger Decay by Boström, E Viñas, Gisselbrecht, M, Brage, T, Almbladh, C-O, Mikkelsen, A, Verdozzi, C

“…A tenet of time-resolved spectroscopy is "faster laser pulses for shorter timescales". Here, we suggest turning this paradigm around, and slowing down the…”
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A strong visible line in the spectrum of W11 by Li, M, Qiu, M, Xiao, J, Yao, K, Brage, T, Hutton, R, Zou, Y

“…We have investigated the visible spectrum of W11+ and found a very strong line at the wave length of 527.61 nm from the 4f135s25p2 (2F7/2-2F5/2) transition. We…”
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Forbidden-line spectroscopy of the ground-state configuration of Cd-like W by Fei, Z., Li, W., Grumer, J., Shi, Z., Zhao, R., Brage, T., Huldt, S., Yao, K., Hutton, R., Zou, Y.

“…only using electric-dipole forbidden emission lines, in what we label forbidden-line spectroscopy, we identified several energy levels in cadmium-like…”
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SUMER Measurement of the Fe x 3p(4)3d D-4(5/2,7/2) Energy Difference by Landi, E., Hutton, R., Brage, T., Li, Wenxian

“…Recent studies have shown that magnetic fields in the solar corona are strong enough to significantly mix the two 3p(4)3d (4)D(5/2,7/2)levels in Cl-like Fex…”
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Extended relativistic multiconfiguration calculations of energy levels and transition properties in singly ionized tin by Atalay, B., Jönsson, P., Brage, T.

“…•Atomic properties of singly ionized tin, excitation energies, wavelengths, oscillator strengths, lifetimes and transition rates, are systematically…”
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The O iv and S iv intercombination lines in the ultraviolet spectra of astrophysical sources by Keenan, F. P., Ahmed, S., Brage, T., Doyle, J. G., Espey, B. R., Exter, K. M., Hibbert, A., Keenan, M. T. C., Madjarska, M. S., Mathioudakis, M., Pollacco, D. L.

“…New electron density diagnostic line ratios are presented for the O iv 2s22p 2—2s2p24P and S iv 3s23p 2—3s3p24P intercombination lines around 1400Å. A…”
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SUMER Measurement of the Fe x 3p 4 3d  4 D 5/2,7/2 Energy Difference by Landi, E., Hutton, R., Brage, T., Li, W.

“…Abstract Recent studies have shown that magnetic fields in the solar corona are strong enough to significantly mix the two 3 p 4 3 d   4 D 5/2,7/2 levels in…”
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SUMER measurement of the fex 3p43d 4D5/2,7/2 energy difference by Landi, E., Hutton, R., Brage, T., Li, W.

“…Recent studies have shown that magnetic fields in the solar corona are strong enough to significantly mix the two 3p43d 4D5/2,7/2 levels in Cl-like Fe X. This…”
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The Bismuth Abundance in the HgMn Stars χ Lupi and HR 7775 and Improved Atomic Data for Selected Transitions of Bi I, Bi II, and Bi III by Wahlgren, G. M, Brage, T, Brandt, J. C, Fleming, J, Johansson, S, Leckrone, D. S, Proffitt, C. R, Reader, J, Sansonetti, C. J

“…High-resolution spectra of the chemically peculiar HgMn stars chi Lupiand HR 7775, obtained with the Hubble Space Telescope/Goddard HighResolution…”
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[Kr] 4 d 10 4 f 13 , The final layzer quenched configuration for highly charged ions by Li, M.C., Zhu, G.L., Wang, K., Si, R., Chen, C.Y., Brage, T., Hutton, R.

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A review of intercombination lines in beryllium-like ions by Brage, T., Fleming, J., Hutton, R.

“…Theoretical and experimental results for the 2s 2 1 S 0 -2s2p 3 P 1 intercombination line in beryllium-like ions are reviewed and revised, and some new data…”
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Lifetime Measurements for Ground Term Transitions in Ta II, W II, and Re II by Henderson, M, Irving, R. E, Matulioniene, R, Curtis, L. J, Ellis, D. G, Wahlgren, G. M, Brage, T

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[Kr]4d104f13, The final layzer quenched configuration for highly charged ions by Li, M.C., Zhu, G.L., Wang, K., Si, R., Chen, C.Y., Brage, T., Hutton, R.

“…•We have performed calculations of the ground state fine-structure energy for high Z members of the Praseodymium isoelectronic sequence. These are 59-electron…”
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Calculations with spectroscopic accuracy for the ground configuration (3d(9)) forbidden transition in Co-like ions by Guo, X. L., Si, R., Li, S., Huang, M., Hutton, R., Wang, Y. S., Chen, C. Y., Zou, Y. M., Wang, K., Yan, J., Li, C. Y., Brage, Tomas

“…We present systematic and large-scale calculations for the fine-structure energy splitting and transition rate between the 3d(9) D-2(3/2,5/2) levels of Co-like…”
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Lines of O IV and S IV in the Goddard High-Resolution Spectrograph spectrum of RR Tel - Constraints on atomic data by Harper, G M, Jordan, C, Judge, P G, Robinson, R D, Carpenter, K G, Brage, T

“…High SNR spectra of RR Tel obtained at medium resolution with the Goddard High-Resolution Spectrograph (GHRS) on the HST are used to test available atomic data…”
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Persistent discrepancy between experimental and theoretical lifetimes for Ni by Si, R., Zhang, C. Y., Yao, K, Brage, T., Chen, C. Y., Zou, Y. M.

“…Recently the lifetime of the excited 3d94s22D3/2 in Ni- was measured to be 15.1±0.4 s [Phys. Rev. A 93, 012512 (2016)2469-992610.1103/PhysRevA.93.012512]. This…”
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