Tomas Brage

2023

GRASP Manual for Users

Jönsson, P., Gaigalas, G., Fischer, C. F., Bieroń, J., Grant, I. P., Brage, T., Ekman, J., Godefroid, M., Grumer, J., Li, J. & Li, W., 2023 Apr, In: Atoms. 11, 4, 68.

Research output: Contribution to journal › Article › peer-review

Open Access

An Introduction to Relativistic Theory as Implemented in GRASP

Jönsson, P., Godefroid, M., Gaigalas, G., Ekman, J., Grumer, J., Li, W., Li , J., Brage, T., Grant, I. P., Bieroń, J. & Fischer, C. F., 2023 Jan, In: Atoms. 11, 1, 7.

Research output: Contribution to journal › Article › peer-review

Open Access

Extended relativistic multiconfiguration calculations of energy levels and transition properties in singly ionized tin

Atalay, B., Jönsson, P. & Brage, T., 2023 Jan, In: Journal of Quantitative Spectroscopy and Radiative Transfer. 294, 108392.

Research output: Contribution to journal › Article › peer-review

Application of a Magnetic-field-induced Transition in Fe x to Solar and Stellar Coronal Magnetic Field Measurements

Chen, Y., Li, W., Tian, H., Bai, X., Hutton, R. & Brage, T., 2023, In: Research in Astronomy and Astrophysics. 23, 2, 022001.

Research output: Contribution to journal › Article › peer-review

2022

[Kr]4d¹⁰4f¹³, The final layzer quenched configuration for highly charged ions

Li, M. C., Zhu, G. L., Wang, K., Si, R., Chen, C. Y., Brage, T. & Hutton, R., 2022 Sept, In: Journal of Quantitative Spectroscopy and Radiative Transfer. 287, 108215.

Research output: Contribution to journal › Article › peer-review

2021

Atomic Structure Calculations of Landé

Schiffmann, S., Brage, T., Gordon Judge, P., Paraschiv, A. R. & Wang, K., 2021 Dec 20, In: Astrophysical Journal. 923, 2, 186.

Research output: Contribution to journal › Article › peer-review

Hinode/EIS Coronal Magnetic Field Measurements at the Onset of a C2 Flare

Landi, E., Li, W., Brage, T. & Hutton, R., 2021 May, In: Astrophysical Journal. 913, 1, 1.

Research output: Contribution to journal › Article › peer-review

Observation of electric-dipole transitions in the laser-cooling candidate Th- And its application for cooling antiprotons

Tang, R., Si, R., Fei, Z., Fu, X., Lu, Y., Brage, T., Liu, H., Chen, C. & Ning, C., 2021 Apr 1, In: Physical Review A. 103, 4, 042817.

Research output: Contribution to journal › Article › peer-review

A Theoretical Investigation of the Magnetic-field-induced Transition in Fe X, of Importance for Measuring Magnetic Field Strengths in the Solar Corona

Li, W., Li, M., Wang, K., Brage, T., Hutton, R. & Landi, E., 2021, In: Astrophysical Journal. 913, 2, 135.

Research output: Contribution to journal › Article › peer-review

Experimental and theoretical studies of excited states in Ir

Kristiansson, M. K., Schiffmann, S., Grumer, J., Karls, J., De Ruette, N., Eklund, G., Ideböhn, V., Gibson, N. D., Brage, T., Zettergren, H., Hanstorp, D. & Schmidt, H. T., 2021, In: Physical Review A. 103, 6, 062806.

Research output: Contribution to journal › Article › peer-review

Open Access

Magnetically induced transition in the spectrum of Sr iv

Li, M. C., Wang, K., Brage, T. & Hutton, R., 2021, In: Physical Review A. 103, 3, 032831.

Research output: Contribution to journal › Article › peer-review

2020

Proposal for observation of transitions induced by external magnetic fields mixing in the lower states: With an example from Fe X

Si, R., Li, W., Brage, T. & Hutton, R., 2020 Apr 2, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 53, 9, 095002.

Research output: Contribution to journal › Article › peer-review

A First Spectroscopic Measurement of the Magnetic-field Strength for an Active Region of the Solar Corona

Si, R., Brage, T., Li, W., Grumer, J., Li, M. & Hutton, R., 2020, In: Astrophysical Journal Letters. 898, 2, L34.

Research output: Contribution to journal › Article › peer-review

HFSZEEMAN95—A program for computing weak and intermediate magnetic-field- and hyperfine-induced transition rates

Li, W., Grumer, J., Brage, T. & Jönsson, P., 2020, In: Computer Physics Communications. 107211.

Research output: Contribution to journal › Article › peer-review

Hinode/EIS Measurements of Active-region Magnetic Fields

Landi, E., Hutton, R., Brage, T. & Li, W., 2020, In: Astrophysical Journal. 904, 2, 87.

Research output: Contribution to journal › Article › peer-review

Multiconfiguration Dirac-Hartree-Fock calculations of Landé g-factors for ions of astrophysical interest: B II, C I-IV, Al I-II, Si I-IV, P II, S II, Cl III, Ar IV, Ca I, Ti II, Zr III, and Sn II

Li, W., Rynkun, P., Radžiūtė, L., Gaigalas, G., Atalay, B., Papoulia, A., Wang, K., Hartman, H., Ekman, J., Brage, T., Chen, C. Y. & Jönsson, P., 2020, In: Astronomy and Astrophysics. 639, A25.

Research output: Contribution to journal › Article › peer-review

SUMER measurement of the fex 3p⁴3d ⁴D₅/2,7/₂ energy difference

Landi, E., Hutton, R., Brage, T. & Li, W., 2020, In: Astrophysical Journal. 902, 1, 21.

Research output: Contribution to journal › Article › peer-review

2019

Candidate for Laser Cooling of a Negative Ion: High-Resolution Photoelectron Imaging of Th

Tang, R., Si, R., Fei, Z., Fu, X., Lu, Y., Brage, T., Liu, H., Chen, C. & Ning, C., 2019 Nov 12, In: Physical Review Letters. 123, 20, 203002.

Research output: Contribution to journal › Article › peer-review

MCDHF and RCI calculations of energy levels, lifetimes, and transition rates in Si III and Si IV

Atalay, B., Brage, T., Jönsson, P. & Hartman, H., 2019 Nov 1, In: Astronomy and Astrophysics. 631, A29.

Research output: Contribution to journal › Article › peer-review

The structure and radiative lifetimes of negative ions homologous to N^-

Su, Y., Si, R., Yao, K. & Brage, T., 2019 May 28, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 52, 12, p. 1-11 11 p., 125002.

Research output: Contribution to journal › Article › peer-review

2018

Proposal of highly accurate tests of Breit and QED effects in the ground state 2p5 of the F-like isoelectronic sequence

Li, M. C., Si, R., Brage, T., Hutton, R. & Zou, Y. M., 2018 Aug 7, In: Physical Review A. 98, 2, 020502.

Research output: Contribution to journal › Article › peer-review

Breit and QED effects on the 3d9 D3/2 2 →2D5/2 transition energy in Co-like ions

Si, R., Guo, X. L., Brage, T., Chen, C. Y., Hutton, R. & Fischer, C. F., 2018 Jul 13, In: Physical Review A. 98, 1, 012504.

Research output: Contribution to journal › Article › peer-review

Time-Stretched Spectroscopy by the Quantum Zeno Effect: The Case of Auger Decay

Boström, E. V., Gisselbrecht, M., Brage, T., Almbladh, C. O., Mikkelsen, A. & Verdozzi, C., 2018, In: Physical Review Letters. 121, 23, 233201.

Research output: Contribution to journal › Article › peer-review

2017

Magnetic-field- and hyperfine-induced P0 3 - S0 1 transitions in Be- and Ne-like ions

Li, W., Jönsson, P., Brage, T. & Hutton, R., 2017 Nov 28, In: Physical Review A. 96, 5, 052508.

Research output: Contribution to journal › Article › peer-review

Persistent discrepancy between experimental and theoretical lifetimes for Ni-

Si, R., Zhang, C. Y., Yao, K., Brage, T., Chen, C. Y. & Zou, Y. M., 2017 Apr 11, In: Physical Review A (Atomic, Molecular and Optical Physics). 95, 4, 042504.

Research output: Contribution to journal › Article › peer-review

Electron impact excitation for He-like ions with Z = 20-42

Si, R., Li, S., Wang, K., Guo, X. L., Chen, Z. B., Yan, J., Chen, C. Y., Brage, T. & Zou, Y. M., 2017 Apr 1, In: Astronomy and Astrophysics. 600, A85.

Research output: Contribution to journal › Article › peer-review

Resolving a discrepancy between experimental and theoretical lifetimes in atomic negative ions

Brage, T. & Grumer, J., 2017 Jan 28, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 50, 2, 025001.

Research output: Contribution to journal › Article › peer-review

2016

ON the FINE STRUCTURE SPLITTING of the 3p⁴3d ⁴D_5/2 and 3p⁴3d ⁴D_7/2 LEVELS of Fe X

Judge, P. G., Hutton, R., Li, W. & Brage, T., 2016 Dec 20, In: Astrophysical Journal. 833, 2, 185.

Research output: Contribution to journal › Article › peer-review

EXTENDED CALCULATIONS with SPECTROSCOPIC ACCURACY: ENERGY LEVELS and TRANSITION PROPERTIES for the FLUORINE-LIKE ISOELECTRONIC SEQUENCE with Z = 24-30

Si, R., Li, S., Guo, X. L., Chen, Z. B., Brage, T., Jönsson, P., Wang, K., Yan, J., Chen, C. Y. & Zou, Y. M., 2016 Dec 1, In: Astrophysical Journal, Supplement Series. 227, 2, 16.

Research output: Contribution to journal › Article › peer-review

A strong visible line in the spectrum of W¹¹⁺

Li, M., Qiu, M., Xiao, J., Yao, K., Brage, T., Hutton, R. & Zou, Y., 2016 Sept 1, In: Physica Scripta. 91, 10, 105401.

Research output: Contribution to journal › Article › peer-review

ATOMIC-LEVEL PSEUDO-DEGENERACY of ATOMIC LEVELS GIVING TRANSITIONS INDUCED by MAGNETIC FIELDS, of IMPORTANCE for DETERMINING the FIELD STRENGTHS in the SOLAR CORONA

Li, W., Yang, Y., Tu, B., Xiao, J., Grumer, J., Brage, T., Watanabe, T., Hutton, R. & Zou, Y., 2016 Aug 1, In: Astrophysical Journal. 826, 2, 219.

Research output: Contribution to journal › Article › peer-review

Energy levels and transition rates for helium-like ions with Z = 10-36?

Si, R., Guo, X. L., Wang, K., Li, S., Yan, J., Chen, C. Y., Brage, T. & Zou, Y. M., 2016 Aug 1, In: Astronomy and Astrophysics. 592, A132.

Research output: Contribution to journal › Article › peer-review

Open Access

Energy levels and radiative data for Kr-like W³⁸⁺ from MCDHF and RMBPT calculations

Guo, X., Grumer, J., Brage, T., Si, R., Chen, C., Jönsson, P., Wang, K., Yan, J., Hutton, R. & Zou, Y., 2016 Jun 8, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 49, 13, 135003.

Research output: Contribution to journal › Article › peer-review

Investigation of M1 transitions of the ground-state configuration of In-like tungsten

Li, W., Xiao, J., Shi, Z., Fei, Z., Zhao, R., Brage, T., Huldt, S., Hutton, R. & Zou, Y., 2016 May 5, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 49, 10, 105002.

Research output: Contribution to journal › Article › peer-review

Analysis of the competition between forbidden and hyperfine-induced transitions in Ne-like ions

Andersson, M., Grumer, J., Brage, T., Zou, Y. & Hutton, R., 2016 Mar 14, In: Physical Review A (Atomic, Molecular and Optical Physics). 93, 3, 032506.

Research output: Contribution to journal › Article › peer-review

Accurate multiconfiguration calculations of energy levels, lifetimes, and transition rates for the silicon isoelectronic sequence: Ti IX - Ge XIX, Sr XXV, Zr XXVII, Mo XXIX

Jönsson, P., Radžiute, L., Gaigalas, G., Godefroid, M. R., Marques, J. P., Brage, T., Froese Fischer, C. & Grant, I. P., 2016 Jan 1, In: Astronomy and Astrophysics. 585, A26.

Research output: Contribution to journal › Article › peer-review

Open Access

Calculations with spectroscopic accuracy for the ground configuration (3d(9)) forbidden transition in Co-like ions

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, T., 2016, In: Physical Review A (Atomic, Molecular and Optical Physics). 93, 1, 012513.

Research output: Contribution to journal › Article › peer-review

2015

HYPERFINE-DEPENDENT gf -VALUES OF Mn i LINES IN THE 1.49–1.80 μm H BAND

Andersson, M., Grumer, J., Ryde, N., Blackwell-Whitehead, R., Hutton, R., Zou, Y., Jönsson, P. & Brage, T., 2015 Jan 1, In: The Astrophysical Journal Supplement Series. 216, 1, 9 p., 2.

Research output: Contribution to journal › Article › peer-review

A Novel Method to Determine Magnetic Fields in Low-density Plasma Facilitated Through Accidental Degeneracy of Quantum States in Fe9+

Li, W., Grumer, J., Yang, Y., Brage, T., Yao, K., Chen, C., Watanabe, T., Jonsson, P., Lundstedt, H. & Hutton, R., 2015, In: Astrophysical Journal. 807, 1, 69.

Research output: Contribution to journal › Article › peer-review

Tungsten spectroscopy in the EUV range observed at a high-temperature superconducting electron-beam ion trap

Li, W., Shi, Z., Yang, Y., Xiao, J., Brage, T., Hutton, R. & Zou, Y., 2015, In: Physical Review A (Atomic, Molecular and Optical Physics). 91, 6, 062501.

Research output: Contribution to journal › Article › peer-review

2014

Magnetic-field-dependent angular distributions and linear polarizations of emissions from the 2p(5)3s(3)P(2)(0) state in Ne-like ions

Li, J., Brage, T., Jonsson, P. & Yang, Y., 2014, In: Physical Review A (Atomic, Molecular and Optical Physics). 90, 3, 035404.

Research output: Contribution to journal › Article › peer-review

The M1 ground state fine structure transition in Ag-like Yb

Zhao, R., Grumer, J., Li, W., Xiao, J., Brage, T., Huldt, S., Hutton, R. & Zou, Y., 2014, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 47, 18, 185004.

Research output: Contribution to journal › Article › peer-review

Unexpected transitions induced by spin-dependent, hyperfine and external magnetic-field interactions

Grumer, J., Brage, T., Andersson, M., Li, J., Jonsson, P., Li, W., Yang, Y., Hutton, R. & Zou, Y., 2014, In: Physica Scripta. 89, 11, 114002.

Research output: Contribution to journal › Article › peer-review

2013

Effect of an external magnetic field on the determination of E1M1 two-photon decay rates in Be-like ions

Grumer, J., Li, W., Bernhardt, D., Li, J., Schippers, S., Brage, T., Jonsson, P., Hutton, R. & Zou, Y., 2013, In: Physical Review A (Atomic, Molecular and Optical Physics). 88, 2, 022513.

Research output: Contribution to journal › Article › peer-review

Lifetimes of the hyperfine levels of 3d(9)4s D-3(3) in high-Z Ni-like ions

Du, W., Andersson, M., Yao, K., Brage, T., Hutton, R. & Zou, Y., 2013, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 46, 14, 145001.

Research output: Contribution to journal › Article › peer-review

Theoretical investigation of magnetic-field-induced 2p(5)3s 3P(0,2)-2p(6) S-1(0) transitions in Ne-like ions without nuclear spin

Li, J., Grumer, J., Li, W., Andersson, M., Brage, T., Hutton, R., Jonsson, P., Yang, Y. & Zou, Y., 2013, In: Physical Review A (Atomic, Molecular and Optical Physics). 88, 1, 013416.

Research output: Contribution to journal › Article › peer-review

2012

Experimental and theoretical study of the ground-state M1 transition in Ag-like tungsten

Fei, Z., Zhao, R., Shi, Z., Xiao, J., Qiu, M., Grumer, J., Andersson, M., Brage, T., Hutton, R. & Zou, Y., 2012, In: Physical Review A (Atomic, Molecular and Optical Physics). 86, 6, 062501.

Research output: Contribution to journal › Article › peer-review

Tomas Brage

Research output

Search results