C. Ballance

发表

Electron-impact excitation of neutral boron using the R-matrix with the pseudostates method

D. C. Griffin, N. Badnell, C. Ballance, 2007 .

Electron-impact double ionization of B+

F. Robicheaux, J. Colgan, M. Pindzola, 2006 .

Roadmap on cosmic EUV and x-ray spectroscopy

Randall K. Smith, E. Costantini, L. Gu, 2020, Journal of Physics B: Atomic, Molecular and Optical Physics.

Scandium and chromium in the strontium filament in the Homunculus of η Carinae

K. Lodders, M. Bautista, T. Gull, 2009 .

Electron-impact excitation of Ni II

C. Ramsbottom, C. Ballance, N. Dunleavy, 2021 .

Valence-shell photoionization of Ag-like Xe7+ ions: experiment and theory

A. Kilcoyne, A. Aguilar, C. Ballance, 2014, 1409.2917.

Electron-impact ionization of the N atom

M. Pindzola, C. Ballance, S. Abdel-Naby, 2015 .

Electron-impact ionization of Al

M. Pindzola, C. Ballance, D. Wu, 2012 .

An R-matrix approach for plasma modelling and the interpretation of astrophysical observation

M. Pindzola, C. Ballance, B. McLaughlin, 2012 .

Level-resolvedR-matrix calculations for the electron-impact excitation of Ne3+and Ne6+

M. Pindzola, C. Ballance, J. Ludlow, 2011 .

Electron-impact double ionization of beryllium

F. Robicheaux, J. Colgan, M. Pindzola, 2010 .

The time-dependent close-coupling method for atomic and molecular collision processes

D. C. Griffin, N. Badnell, F. Robicheaux, 2007 .

Generalised collisional-radiative model for light elements. A: Data for the Li isonuclear sequence

D. C. Griffin, N. Badnell, M. O'Mullane, 2006 .

The effects of coupling to the target continuum on the electron-impact excitation of Li+

D. C. Griffin, N. Badnell, C. Ballance, 2003 .

LETTER TO THE EDITOR: Double ionization yields from the photoionization of Fe II and Fe I

C. Ballance, K. Berrington, 2001 .

An R-matrix with pseudostates approach to the electron-impact excitation of H I for diagnostic applications in fusion plasmas

N. Badnell, H. Summers, C. Ballance, 2000 .

Electron-impact ionization of argon using the R-matrix with a pseudo-states method

D. C. Griffin, M. Pindzola, C. Ballance, 2007 .

Iso-nuclear tungsten dielectronic recombination rates for use in magnetically-confined fusion plasmas

B. Braams, N. Badnell, Hyun-Kyung Chung, 2018 .

An R-matrix with pseudo states calculation of electron-impact excitation in Ar

D. C. Griffin, N. Badnell, C. Ballance, 2003 .

NON-EQUILIBRIUM MODELING OF THE FE XVII 3C/3D LINE RATIO IN AN INTENSE X-RAY FREE-ELECTRON LASER EXCITED PLASMA

C. Fontes, C. Ballance, Y. Li, 2015 .

Dipti, Y. Ralchenko, Hyun-Kyung Chung, 2019, Atomic data and nuclear data tables.

Hybrid time dependent/independent solution for the He I line ratio temperature and density diagnostic for a thermal helium beam with applications in the scrape-off layer-edge regions in tokamaks

J. M. Burgos, O. Schmitz, C. Ballance, 2012 .

Implementation of a new atomic basis for the He i equilibrium line ratio technique for electron temperature and density diagnostic in the SOL for H-mode plasmas in DIII-D

J. M. Burgos, O. Schmitz, E. Unterberg, 2011 .

The role of excited state ionization data on H and He generalized collisional–radiative coefficients

D. Stotler, M. Pindzola, C. Ballance, 2009 .

R-matrix with pseudo-states calculations for electron-impact excitation and ionization of rare gas atoms

D. C. Griffin, J. M. Burgos, M. Pindzola, 2009 .

Electron-impact excitation of Ar$^{2+}$

J. M. Burgos, C. Ballance, S. Loch, 2009 .

Electron-impact excitation of Ar+: an improved determination of Ar impurity influx in tokamaks

D. C. Griffin, M. Pindzola, C. Ballance, 2007 .

A radiation-damped R -matrix approach to the electron-impact excitation of helium-like ions for diagnostic application to fusion and astrophysical plasmas

N. Badnell, M. O'Mullane, A. Whiteford, 2001 .

Atomic data for modelling fusion and astrophysical plasmas

M. G. O'Mullane, U. Fantz, Nigel R. Badnell, 2002 .

Electron-impact excitation of Xe26+ and its resultant spectral signature

N. Badnell, A. Whiteford, H. Summers, 2004 .

Inner-shell processes of Li- and Be-like Fe

N. Badnell, C. Ballance, K. Berrington, 2001 .

Level-resolved Photoionization Cross Sections for Fe i

C. Ramsbottom, C. Ballance, R. T. Smyth, 2019, The Astrophysical Journal.

Spectroscopic diagnostics of low-ionized iron-peak elements. Electron-impact excitation of Ni3+ and photoionization of Ni2+

C. Ramsbottom, C. Ballance, R. T. Smyth, 2018, Monthly Notices of the Royal Astronomical Society.

Benchmarking Current Capabilities for the Generation of Excitation and Photoionisation Atomic Data

F. Keenan, C. Ramsbottom, C. Ballance, 2018, Galaxies.

HIGH PRECISION K-SHELL PHOTOABSORPTION CROSS SECTIONS FOR ATOMIC OXYGEN: EXPERIMENT AND THEORY

W. Stolte, D. Gardenghi, C. Ballance, 2013, 1305.4983.

Electron-impact excitation of H-like Fe at high temperatures

N. Badnell, C. Ballance, K. Berrington, 2002 .

Towards converged electron-impact excitation calculations of low-lying transitions in Fe ii

G. Ferland, F. Keenan, C. Ramsbottom, 2018, Monthly Notices of the Royal Astronomical Society.

Kinetic theory and atomic physics corrections for determination of ion velocities from charge-exchange spectroscopy

J. M. Burgos, K. Burrell, B. Grierson, 2013 .

Monte Carlo radiative transfer for the nebular phase of Type Ia supernovae

K. Maguire, M. Kromer, M. Bulla, 2019, Monthly Notices of the Royal Astronomical Society.

Improved Fe ii Emission-line Models for AGNs Using New Atomic Data Sets

F. Guzmán, G. Ferland, F. Keenan, 2020, 2011.09007.

The effects of radiative cascades on the x-ray diagnostic lines of Fe16+

D. C. Griffin, M. Pindzola, C. Ballance, 2006 .

Photoionization of Co+ and electron-impact excitation of Co2 + using the Dirac R-matrix method

A. Hibbert, C. Ramsbottom, C. Ballance, 2016, 1605.05523.

Valence configuration interaction study of the C2+ cation

C. Ballance, B. McLaughlin, 2001 .

Towards the Provision of Accurate Atomic Data for Neutral Iron

F. Keenan, C. Ramsbottom, C. Ballance, 2018, Galaxies.

Valence and L-shell photoionization of Cl-like argon using R-matrix techniques

A. Hibbert, C. Ramsbottom, C. Ballance, 2015, 1511.03946.

Photoionization of tungsten ions: experiment and theory for W 2 + ?> and W 3 + ?>

A. Kilcoyne, A. Müller, C. Ballance, 2015, 1512.06059.

Probing confinement resonances by photoionizing Xe inside a C$_{60}^+$ molecular cage

A. Kilcoyne, T. Gorczyca, S. Manson, 2013 .

Electron-impact excitation and ionization of W3+ for the determination of tungsten influx in a fusion plasma

D. C. Griffin, M. Pindzola, C. Ballance, 2013 .

Electron-impact Excitation of Fe i

F. Keenan, C. Ramsbottom, C. Ballance, 2020, The Astrophysical Journal.

LETTER TO THE EDITOR: Vibrational excitation of the N2+ first negative (0,0), (1,0) and (2,0) bands by electron impact: a theoretical study using the R-matrix approach

P. Burke, C. Ballance, K. Berrington, 1999 .

The 2p interloper resonances in collisions

P. Burke, C. Ballance, K. Berrington, 1998 .

Uncertainties on Atomic Data

R. Smith, A. Foster, M. Witthoeft, 2013 .

Rydberg structure associated with core-excited autoionizing states of the LiH radical

C. Ballance, K. Berrington, B. McLaughlin, 2001 .

Electron-impact excitation of the Ne2+ O-like ion

M. Pindzola, E. Landi, C. Ballance, 2011, 1102.5127.

ELECTRON-IMPACT EXCITATION OF Fe2 +: A COMPARISON OF INTERMEDIATE COUPLING FRAME TRANSFORMATION, BREIT-PAULI AND DIRAC R-MATRIX CALCULATIONS

N. Badnell, C. Ballance, 2014, 1402.4743.

PAMOP2: Towards Exascale Computations Supporting Experiments and Astrophysics

P. Stancil, A. Müller, James F. Babb, 2019, High Performance Computing in Science and Engineering ' 18.

An R-matrix with pseudo-states approach to the electron-impact excitation of H I for diagnostic applications in fusion plasmas

N. Badnell, H. Summers, C. Ballance, 2000 .

ATOMIC DATA AND SPECTRAL MODEL FOR Fe II

G. Ferland, P. Quinet, C. Mendoza, 2010, 1007.1960.

The agreement of Breit–Pauli and Dirac R-matrix collision strengths for iron peak elements: an Fe14+ case study

D. C. Griffin, N. Badnell, C. Ballance, 2005 .

A pseudo-state sensitivity study on hydrogenic ions

N. Badnell, C. Ballance, E. Smyth, 2003 .

Excitation of Ar15+ and Fe23+ for diagnostic application to fusion and astrophysical plasmas

N. Badnell, A. Whiteford, H. Summers, 2002 .

Influence of long-lived metastable levels on the electron-impact single ionization of C^{2+}

D. C. Griffin, D. Fursa, I. Bray, 2005 .

Electron-impact ionization of metastable neon

D. C. Griffin, M. Pindzola, C. Ballance, 2004 .

Interloper resonances in the transitory states of

C. Ballance, K. Berrington, B. McLaughlin, 1998 .

Detection and analysis of interloping molecular resonances

C. Ballance, K. Berrington, B. McLaughlin, 1999 .

Electron-Impact Ionization of Be-like C III, N IV, and O V

M. Bannister, V. Zhaunerchyk, W. Mitthumsiri, 2008 .

Electron-impact ionization of C2

J. Colgan, M. Pindzola, C. Ballance, 2010 .

3Δ bound and continuum states of the TiO molecule

C. Ballance, K. Berrington, B. McLaughlin, 2001 .

Electron-impact ionization of all ionization stages of beryllium

D. C. Griffin, J. Colgan, M. Pindzola, 2003 .

Partitioned R-matrix theory

C. Ballance, K. Berrington, 2002 .

Electron-impact ionization of diatomic molecules using a configuration-average distorted-wave method

F. Robicheaux, J. Colgan, M. Pindzola, 2007 .

Photoionization cross sections for the trans-iron element Se+ from 18 to 31 eV

C. Ballance, B. McLaughlin, 2012, 1203.4102.

Photoionization cross section calculations for the halogen-like ions Kr+ and Xe+

C. Ballance, B. McLaughlin, 2012, 1203.1556.

Inner-shell photoionization of the 3dx ground state Fe ions

C. Ballance, K. Berrington, 2001 .

Near-Threshold Photoionization of Molecular Nitrogen

T. Gorczyca, C. Ballance, G. VanGyseghem, 2015 .

PAMOP2: State-of-the-Art Computations for Atomic, Molecular and Optical Processes

P. Stancil, C. Ballance, J. Babb, 2021 .

Valence-shell photoionization of chlorinelike Ar+ ions

A. Aguilar, A. Covington, A. Schlachter, 2011, 1203.4292.

Dirac R -matrix calculations for the electron-impact excitation of neutral tungsten providing noninvasive diagnostics for magnetic confinement fusion

C. Johnson, D. Ennis, C. Ramsbottom, 2018, 1805.02757.

A Dirac R-matrix calculation for the electron-impact excitation of W+

D. Ennis, C. Ramsbottom, C. Ballance, 2022, Journal of Physics B: Atomic, Molecular and Optical Physics.

Benchmarking a modified version of the civ3 nonrelativistic atomic-structure code within Na-like-tungsten R -matrix calculations

A. Hibbert, C. Ramsbottom, C. Ballance, 2016 .

PAMOP: Large-Scale Calculations Supporting Experiments and Astrophysical Applications

P. Stancil, A. Müller, James F. Babb, 2018 .

PAMOP Project: Petaflop Computations in Support of Experiments

Stefan Schippers, B M McLaughlin, Connor Ballance, 2016 .

Single-photon single ionization of W+ ions: experiment and theory

A. Kilcoyne, A. Müller, C. Ballance, 2015, 1509.02113.

Photoionization of the valence shells of the neutral tungsten atom

C. Ballance, B. McLaughlin, 2015, 1502.07188.

Single and multiple photoionization of Wq+ tungsten ions in charge states q=1,2,..,5: experiment and theory

A. Kilcoyne, A. Müller, C. Ballance, 2014 .

Evaluation of an improved atomic data basis for carbon in UEDGE emission modeling for L-mode plasmas in DIII-D

J. M. Burgos, A. Leonard, C. Ballance, 2013 .

Electron-impact ionization of atomic ions: Theoretical results

D. C. Griffin, J. M. Burgos, M. Pindzola, 2009 .

Electron-impact ionization of the metastable excited states of Li+

M. Pindzola, C. Ballance, J. Berengut, 2006, physics/0612188.

Collisional-radiative calculations of He line emission in low-temperature plasmas

D. C. Griffin, M. Pindzola, C. Ballance, 2006 .

R-matrix with pseudostates study of single photon double ionization of endohedral Be and Mg atoms

T. Gorczyca, M. Pindzola, C. Ballance, 2015 .

Photoionization of Endohedral Atoms Using R-matrix Methods: Application to Xe@C$_{60}$

T. Gorczyca, S. Manson, C. Ballance, 2012 .

Electron-impact excitation of W44+ and W45+

D. C. Griffin, C. Ballance, 2007 .

ELECTRON COLLISIONS WITH SMALL MOLECULES

P. Burke, C. Ballance, K. Berrington, 1998 .

Opacity modelling of heavy-metal hot subdwarfs: photoionization of Sr0, Y+, and Zr2 +

C. Jeffery, C. Ramsbottom, C. Ballance, 2020, 2004.13589.

PSTGF: Time-independent R-matrix atomic electron-impact code

C. P. Ballance, M. J. Seaton, T. W. Gorczyca, 2019, Comput. Phys. Commun..

Estimating the Level of Uncertainty in Electron-Impact Excitation and Photoionisation Rates of Low-Ionised Stages of Ni Ions

C. Ramsbottom, C. Ballance, L. Fernández-Menchero, 2018, Galaxies.

Fine-structure electron-impact excitation of Ne+ and Ne2 + for low-temperature astrophysical plasmas

P. Stancil, M. Pindzola, C. Ballance, 2016, 1607.03158.

Photoionization of Ne8+

M. S. Pindzola, Sh. A. Abdel-Naby, C. P. Ballance, 2014, XSEDE '14.

Comparison of Parallelised R-Matrix Codes for Electron Impact Excitation of Cr II

C. Ramsbottom, C. Ballance, M. Scott, 2012 .

Valence-shell single photoionization of Kr$^{+}$ ions: Experiment and Theory

A. Kilcoyne, M. Lu, A. Aguilar, 2012, 1211.5181.

Electron-impact excitation of open d-shell ions

F. Keenan, A. Hibbert, C. Ramsbottom, 2015 .

Electron-impact excitation of H-like Cr, Mn, Fe, Co, and Ni for applications in modeling X-ray astrophysical sources

M. Pindzola, C. Malespin, M. Witthoeft, 2011 .

Relativistic radiatively damped R-matrix calculations of the electron-impact excitation of helium-like iron and krypton

D. C. Griffin, C. Ballance, 2009 .

Relativistic radiatively damped R-matrix calculation of the electron-impact excitation of W46+

D. C. Griffin, C. Ballance, 2006 .

PAMOP Project: Computations in Support of Experiments and Astrophysical Applications

P. Stancil, M. Pindzola, C. Ballance, 2017, 1701.03962.

Non-equilibrium modeling of the Fe XVII 3C/3D ratio for an intense X-ray free electron laser

C. Fontes, C. Ballance, Y. Li, 2017, 1706.00444.

Constraints on the presence of platinum and gold in the spectra of the kilonova AT2017gfo

S. Sim, C. Ballance, J. Gillanders, 2021, Monthly Notices of the Royal Astronomical Society.

Single and double photoionization of Be and Mg

F. Robicheaux, J. Colgan, M. Pindzola, 2013 .

PAMOP: Petascale Atomic, Molecular and Optical Collision Calculations

M. Pindzola, C. Ballance, B. McLaughlin, 2015, 1501.03345.

Double photoionization of Be and Mg atoms using the R-matrix-with-pseudostates method

D. C. Griffin, J. Colgan, M. Pindzola, 2009 .

Line ratio diagnostics in helium and helium seeded argon plasmas

D. Branscomb, C. Ballance, S. Loch, 2007 .

Photoionization of Xe@C60 using R-matrix Methods

T. Gorczyca, S. Manson, C. Ballance, 2014 .

Total cross sections for the double photoionization of Li from the ground and excited states

D. C. Griffin, J. Colgan, M. Pindzola, 2009 .

Helium line intensity ratio in microwave-generated plasmas

Joseph A. Johnson, C. Ballance, S. Loch, 2004 .

Fine-structure photoionization cross sections of Fe II

M. Bautista, C. Ballance, V. Fivet, 2012 .

ERRATUM: “HIGH PRECISION K-SHELL PHOTOABSORPTION CROSS SECTIONS FOR ATOMIC OXYGEN: EXPERIMENT AND THEORY” (2013, ApJL, 771, L8)

W. Stolte, D. Gardenghi, C. Ballance, 2013 .

Photoionization, fluorescence, and inner-shell processes

C. Ballance, B. McLaughlin, 2012, 1207.6784.

Dielectronic recombination of W35 +

D. C. Griffin, M. Pindzola, C. Ballance, 2010 .

Doubly excited resonances in the photoionization spectrum of Li+: experiment and theory

D. Leitner, R. Püttner, M. Lubell, 2006 .

Dielectronic recombination of W20+ (4d(10)4 f(8)) : addressing the half-open f shell

D. C. Griffin, N. Badnell, C. Ballance, 2012, 1204.2187.

First Evidence of Enhanced Recombination in Astrophysical Environments and the Implications for Plasma Diagnostics

A. Dupree, J. Raymond, M. Pindzola, 2019, The Astrophysical Journal.

Improved Neutron-Capture Element Abundances in Planetary Nebulae

A. Kilcoyne, S. Redfield, M. Bautista, 2007, Publications of the Astronomical Society of Australia.

Collisional-radiative study of lithium plasmas.

D. C. Griffin, J. Colgan, C. Fontes, 2003, Physical review. E, Statistical, nonlinear, and soft matter physics.

Electron-impact excitation of beryllium and its ions

D. C. Griffin, J. Colgan, M. Pindzola, 2003 .

Electron-impact ionization and recombination of M -shell atomic ions in the argon isonuclear sequence

M. Pindzola, C. Ballance, S. Abdel-Naby, 2007 .

Electron-impact ionization of ground and metastable neon

M. Pindzola, C. Ballance, J. Ludlow, 2009 .

Electron-Impact Ionization from Excited States in H-Like Ions

D. C. Griffin, F. Robicheaux, J. Colgan, 2005 .

Electron-impact excitation of Li to high principal quantum numbers

D. C. Griffin, J. Colgan, M. Pindzola, 2003 .

The effects of coupling to the target continuum on the electron-impact excitation of Li+

D. C. Griffin, N. Badnell, C. Ballance, 2003 .

Electron-impact excitation of neon: a pseudo-state convergence study

D. C. Griffin, C. Ballance, 2004 .

Fe iii emission in quasars: evidence for a dense turbulent medium

P. Hewett, N. Badnell, G. Ferland, 2020, 2006.08617.

The dielectronic recombination of Ar+–Ar4+

E. Thomas, C. Ballance, S. Abdel-Naby, 2015 .

Breit–Pauli R-matrix electron-impact excitation calculations along the argon isonuclear sequence

M. Pindzola, C. Ballance, J. Ludlow, 2010 .

Intermediate-coupling R-matrix calculations of electron-impact excitation of Fe5+

D. C. Griffin, C. Ballance, C. Ballance, 2008 .

Electron-impact ionization of all ionization stages of krypton

D. C. Griffin, N. Badnell, M. Pindzola, 2002 .

R-matrix atomic data for application in astrophysics and fusion

C. Ramsbottom, C. Ballance, M. Mccann, 2023, European Physical Journal D : Atomic, Molecular and Optical Physics.

R-Matrix Scattering Calculations for Iron-Peak Species: Photoionisation of Fe I and Electron-Impact Excitation of Fe II

C. Ramsbottom, C. Ballance, R. Smyth, 2018, Galaxies.

Emission Line Ratios of FE III as Astrophysical Plasma Diagnostics

G. Ferland, F. Keenan, A. Hibbert, 2017, 1705.00207.

Atomic data calculations for Au I –Au III and exploration in the application of collisional-radiati v e theory to laboratory and neutron star mer ger plasmas

C. Ballance, S. Loch, Michael T. P. McCann, 2021 .

Petascale computations for Large-scale Atomic and Molecular collisions pdf

Brendan M. McLaughlin, Connor P. Ballance, C. Ballance, 2014, ArXiv.

Dirac R-matrix calculations of electron-impact excitation of neon-like krypton

D. C. Griffin, C. Ballance, J. Berengut, 2008 .

Contribution of near threshold states to recombination in plasmas.

F. Robicheaux, M. Pindzola, C. Ballance, 2010, Physical review letters.

Resolving Ultra-Fast Spin-Orbit Dynamics in Heavy Many-Electron Atoms.

C. Ballance, J. Wragg, G. Armstrong, 2019, 1911.00390.

Electron-impact excitation cross sections for Fe^1^6^+ in the configuration-average distorted-wave approximation (4 pages)

D. C. Griffin, M. Pindzola, C. Ballance, 2006 .

Breit-Pauli R-Matrix approach for the time-dependent investigation of ultrafast processes

Jack Wragg, Connor Ballance, Hugo W van der Hart, 2020, Comput. Phys. Commun..

Electron-impact ionization of C{sup +} excited states

M. Pindzola, C. Ballance, J. Ludlow, 2011 .

Electron-impact ionization of Xe24 +

D. C. Griffin, M. Pindzola, C. Ballance, 2010 .

Valence-shell photoionization of the Cℓ-like ion Ar+: Experiment and theory

A. Aguilar, A. Covington, A. Schlachter, 2009 .

Atomic structure, electron-impact excitation and collisional-radiative modelling for Ar II

N. Badnell, C. Ballance, N.E. McElroy, 2024, Journal of Quantitative Spectroscopy and Radiative Transfer.