I. Powis

发表

Photoionization from the Xe 4d orbitals of XeF2

J. Bozek, P. Hockett, R. Forbes, 2021, The Journal of Chemical Physics.

Experimental and Theoretical Study of 3sp(d) Rydberg States of Fenchone by Polarized Laser Resonance-Enhanced-Multiphoton-Ionization & Fourier Transform VUV Absorption Spectroscopy.

I. Powis, G. García, Dhirendra P. Singh, 2020, Chemphyschem : a European journal of chemical physics and physical chemistry.

Valence shell photoelectron angular distributions and vibrationally resolved spectra of imidazole: A combined experimental-theoretical study.

E. V. Gromov, I. Powis, D. Holland, 2021, The Journal of chemical physics.

An experimental and theoretical study of the photoelectron spectrum of hydrogen selenide

A. W. Potts, I. Powis, D. Holland, 2005 .

Vibronic interaction in trans-dichloroethene studied by vibration- and angle-resolved photoelectron spectroscopy using 19-90 eV photon energy.

J. Bozek, I. Powis, D. Holland, 2021, The Journal of chemical physics.

An experimental and theoretical study of the valence shell photoelectron spectrum of oxalyl chloride

J. Bozek, I. Powis, D. Holland, 2020 .

An experimental and theoretical study of the photoelectron spectra of cis-dichloroethene: Valence shell vertical ionization and vibronic coupling in the low-lying cationic states.

E. V. Gromov, I. Powis, D. Holland, 2018, The Journal of chemical physics.

An experimental and theoretical study of the valence shell photoelectron spectra of 2-chloropyridine and 3-chloropyridine.

E. V. Gromov, A. W. Potts, I. Powis, 2017, The Journal of chemical physics.

A fresh look at the photoelectron spectrum of bromobenzene: A third-order non-Dyson electron propagator study.

A. Dreuw, I. Powis, D. Holland, 2015, The Journal of chemical physics.

Conformer-dependent vacuum ultraviolet photodynamics and chiral asymmetries in pure enantiomers of gas phase proline

I. Powis, G. García, L. Nahon, 2021, Communications Chemistry.

VUV photodynamics and chiral asymmetry in the photoionization of gas phase alanine enantiomers.

I. Powis, G. García, L. Nahon, 2014, The journal of physical chemistry. A.

Photoelectron circular dichroism in angle-resolved photoemission from liquid fenchone

F. Trinter, D. Neumark, Stephan Thürmer, 2022, Physical chemistry chemical physics : PCCP.

Time-resolved chiral X-Ray photoelectron spectroscopy with transiently enhanced atomic site-selectivity: a Free Electron Laser investigation of electronically excited fenchone enantiomers

K. Prince, S. Stagira, C. Callegari, 2022, 2202.13704.

Detecting chirality in molecules by imaging photoelectron circular dichroism.

I. Powis, M. Janssen, 2014, Physical chemistry chemical physics : PCCP.

Valence shell one-photon photoelectron circular dichroism in chiral systems

I. Powis, G. García, L. Nahon, 2015 .

Fragmentation of valence electronic states of CF + 4 and SF + 6 studied by threshold photoelectron-photoion coincidence spectroscopy

J. C. Creasey, I. Powis, R. Tuckett, 1993 .

A Simultaneous Photofragment Spectroscopy Measurement of Rovibronic and Translational Excitation in the CH3l A–Band Photodissociation System

I. Powis, J. Black, 1988 .

Photofragment investigations of the 280 nm photodissociation of methyl iodide using rempii atom detection

I. Powis, J. Black, 1988 .

Rotational population and alignment of methyl-d3(v = 0) photofragments from the A-band excitation of methyl-d3 iodide

I. Powis, J. Black, 1989 .

Large ions: Their vaporization, detection and structural analysis

C. Ng, I. Powis, T. Baer, 1996 .

Photoelectron Spectroscopy and Circular Dichroism in Chiral Biomolecules: l-Alanine

I. Powis, 2000 .

Photoionization dynamics of cis-dichloroethene from investigation of vibrationally resolved photoelectron spectra and angular distributions.

E. V. Gromov, I. Powis, D. Holland, 2018, The Journal of chemical physics.

A study of the valence shell electronic structure and photoionization dynamics of selenophene

A. W. Potts, I. Powis, D. Holland, 2007 .

A study of the photoionisation dynamics of the cyanogen halides

I. Powis, D. Holland, W. Niessen, 2004 .

A study of the valence shell electronic structure and photoionisation dynamics of ortho-dichlorobenzene, ortho-bromochlorobenzene and trichlorobenzene

A. W. Potts, I. Powis, D. Holland, 2015 .

Photoionization of the I 4d and valence orbitals of methyl iodide

J. Bozek, D. Rolles, N. Besley, 2020, Journal of Physics B: Atomic, Molecular and Optical Physics.

Photoionization of the iodine 3d, 4s, and 4p orbitals in methyl iodide.

J. Bozek, D. Rolles, J. Underwood, 2018, The Journal of chemical physics.

A study of the valence shell electronic structure and photoionisation dynamics of meta-dichlorobenzene and meta-bromochlorobenzene

A. W. Potts, I. Powis, D. Holland, 2013 .

Rotational structure and predissociation dynamics of the methyl 4pz(v=0) Rydberg state investigated by resonance enhanced multiphoton ionization spectroscopy

I. Powis, J. Black, 1988 .

Scaling relationships in photoelectron-photoion coincidence studies: The aceton ion dissociation

I. Powis, C. Danby, K. Johnson, 1981 .

Conformer-Dependent VUV Photodynamics and Chiral Asymmetries in Pure Enantiomers of Gas Phase Proline

I. Powis, G. García, L. Nahon, 2020 .

A refocusing modified velocity map imaging electron/ion spectrometer adapted to synchrotron radiation studies

I. Powis, G. García, L. Nahon, 2005 .

Photoelectron Circular Dichroism in Chiral Molecules

I. Powis, 2008 .

Chiral Asymmetry in the Photoionization of Gas-Phase Amino-Acid Alanine at Lyman-α Radiation Wavelength

I. Powis, G. García, L. Nahon, 2013 .

Molecule coordinate frame anisotropy in dissociative photoionization of CF3I

I. Powis, K. G. Low, P. D. Hampton, 1985 .

Valence shell electronically excited states of imidazole and 1-methylimidazole

I. Powis, D. Holland, D. Shaw, 2022, Molecular Physics.

Valence and C 1s core level photoelectron spectra of camphor

I. Powis, U. Hergenhahn, G. García, 2002 .

Two-dimensional charged particle image inversion using a polar basis function expansion

I. Powis, G. García, L. Nahon, 2004 .

The dissociation of state-selected CF3X molecular ions

I. Powis, 1980 .

The unimolecular dissociation of electronic state-selected methyl iodide cations

I. Powis, 1983 .

Dissociative VUV photoionization of butanediol isomers

I. Powis, G. García, L. Nahon, 2015 .

Chiral signatures in angle-resolved valence photoelectron spectroscopy of pure glycidol enantiomers.

I. Powis, G. García, L. Nahon, 2008, Physical chemistry chemical physics : PCCP.

A valence photoelectron imaging investigation of chiral asymmetry in the photoionization of fenchone and camphor.

I. Powis, G. García, L. Nahon, 2008, Chemphyschem : a European journal of chemical physics and physical chemistry.

Theoretical study on the circular dichroism in core and valence photoelectron angular distributions of camphor enantiomers.

P. Decleva, M. Stener, I. Powis, 2006, The Journal of chemical physics.

Molecule frame photoelectron angular distributions from oriented methyl chloride and methyl fluoride molecules

I. Powis, Y. Hikosaka, J. Eland, 2001 .

Photoelectron circular dichroism of the randomly oriented chiral molecules glyceraldehyde and lactic acid

I. Powis, 2000 .

The 5a1−1 photoionization of oriented CF3I molecules: Angular distributions of the ka1 and ke photoelectron continua

I. Powis, P. Downie, 1999 .

A theoretical CMS-X α treatment of CH3I photoionization dynamics: outer valence shell and iodine 4d levels

I. Powis, 1995 .

The fragmentation of COCl2+ and COF2+ ions studied by the photoelectron—photoion coincidence technique

I. Powis, C. Danby, Keith Johnson, 1979 .

Investigation of the Gas-Phase Amino Acid Alanine by Synchrotron Radiation Photoelectron Spectroscopy

I. Powis, U. Hergenhahn, O. Kugeler, 2003 .

Energy disposal in the rotational pre-dissociation of ND3+

I. Powis, 1982 .

Dissociation dynamics of D2O+ ions prepared in the B 2B2 state

I. Powis, D. J. Reynolds, 1991 .

Energy redistribution in unimolecular ion dissociations

I. Powis, 1987 .

The H2 elimination reactions of Ã2B3g C2H4+ and C2D4+

I. Powis, P. Lightfoot, C. Danby, 1983 .

A photoelectron-photoion coincidence spectrometer for the study of translational energy release distributions

P. Mansell, I. Powis, C. Danby, 1979 .

The structure, energetics and dynamics of organic ions

C. Ng, I. Powis, T. Baer, 1996 .

Parallel, multichannel energy and angle resolving electrostatic electron analyzer

I. Powis, D. J. Reynolds, P. Downie, 1995 .

Determination of accurate electron chiral asymmetries in fenchone and camphor in the VUV range: sensitivity to isomerism and enantiomeric purity.

U. Meierhenrich, V. Wanie, S. Beaulieu, 2016, Physical chemistry chemical physics : PCCP.

Imaging photoelectron circular dichroism of chiral molecules by femtosecond multiphoton coincidence detection.

I. Powis, M. Janssen, C. S. Lehmann, 2013, The Journal of chemical physics.

Vibrationally induced inversion of photoelectron forward-backward asymmetry in chiral molecule photoionization by circularly polarized light

I. Powis, G. García, L. Nahon, 2013, Nature Communications.

Giant chiral asymmetry in the C 1s core level photoemission from randomly oriented fenchone enantiomers.

I. Powis, U. Hergenhahn, C. Harding, 2008, The journal of physical chemistry. A.

Influence of Vibrational Excitation and Nuclear Dynamics in Multiphoton Photoelectron Circular Dichroism of Fenchone.

I. Powis, K. L. Reid, Dhirendra P. Singh, 2021, The journal of physical chemistry letters.

The role of the intermediate state in angle-resolved photoelectron studies using (2 + 1) resonance-enhanced multiphoton ionization of the chiral terpenes, α-pinene and 3-carene

Adrian M. Gardner, I. Powis, K. L. Reid, 2020 .

Wavelength dependent photoelectron circular dichroism of limonene studied by femtosecond multiphoton laser ionization and electron-ion coincidence imaging.

I. Powis, M. Janssen, Mohammad M Rafiee Fanood, 2016, The Journal of chemical physics.

Circular dichroism in the photoelectron angular distribution from randomly oriented enantiomers of camphor

I. Powis, J. Houver, D. Dowek, 2003 .

Intense Vibronic Modulation of the Chiral Photoelectron Angular Distribution Generated by Photoionization of Limonene Enantiomers with Circularly Polarized Synchrotron Radiation.

S. Turchini, I. Powis, G. García, 2018, Chemphyschem : a European journal of chemical physics and physical chemistry.

Enantiomer-specific analysis of multi-component mixtures by correlated electron imaging–ion mass spectrometry

I. Powis, M. Janssen, C. S. Lehmann, 2015, Nature Communications.

Enantioselective femtosecond laser photoionization spectrometry of limonene using photoelectron circular dichroism.

I. Powis, M. Janssen, Mohammad M Rafiee Fanood, 2015, Physical chemistry chemical physics : PCCP.

Photoelectron circular dichroism and spectroscopy of trifluoromethyl- and methyl-oxirane: a comparative study.

I. Powis, G. García, L. Nahon, 2014, Physical chemistry chemical physics : PCCP.

A photoionization investigation of small, homochiral clusters of glycidol using circularly polarized radiation and velocity map electron-ion coincidence imaging.

I. Powis, G. García, L. Nahon, 2014, Physical chemistry chemical physics : PCCP.

Photoionization of epichlorohydrin enantiomers and clusters studied with circularly polarized vacuum ultraviolet radiation.

I. Powis, G. García, L. Nahon, 2011, The Journal of chemical physics.

Determination of chiral asymmetries in the valence photoionization of camphor enantiomers by photoelectron imaging using tunable circularly polarized light.

I. Powis, G. García, L. Nahon, 2006, The Journal of chemical physics.

Chiral asymmetry in the multiphoton ionization of methyloxirane using femtosecond electron-ion coincidence imaging.

I. Powis, M. Janssen, Mohammad M Rafiee Fanood, 2014, The journal of physical chemistry. A.

A generic π* shape resonance observed in energy-dependent photoelectron angular distributions from two-colour, resonant multiphoton ionization of difluorobenzene isomers.

I. Powis, K. L. Reid, M. Staniforth, 2013, The Journal of chemical physics.

Sensitivity of photoelectron circular dichroism to structure and electron dynamics in the photoionization of carvone and related chiral monocyclic terpenone enantiomers.

I. Powis, C. Harding, 2006, The Journal of chemical physics.

Decoupling vibration and electron energy dependencies in the photoelectron circular dichroism of a terpene, 3-carene.

I. Powis, G. García, L. Nahon, 2020, The Journal of chemical physics.

Vibrationally-resolved photoelectron spectroscopy and photoelectron circular dichroism of bicyclic monoterpene enantiomers

I. Powis, G. García, L. Nahon, 2018, Journal of Molecular Spectroscopy.

Identifying and Understanding Strong Vibronic Interaction Effects Observed in the Asymmetry of Chiral Molecule Photoelectron Angular Distributions.

I. Powis, G. García, L. Nahon, 2017, Chemphyschem : a European journal of chemical physics and physical chemistry.

The Interplay Between Conformation and Absolute Configuration in Chiral Electron Dynamics of Small Diols.

I. Powis, G. García, L. Nahon, 2016, Angewandte Chemie.

Communication: The influence of vibrational parity in chiral photoionization dynamics.

I. Powis, 2014, The Journal of chemical physics.

Effects of dimerization on the photoelectron angular distribution parameters from chiral camphor enantiomers obtained with circularly polarized vacuum-ultraviolet radiation

I. Powis, G. García, L. Nahon, 2010 .

Photoelectron circular dichroism spectroscopy in an orbitally congested system: the terpene endoborneol.

I. Powis, G. García, L. Nahon, 2010, The journal of physical chemistry. A.

Enantiomer-speciﬁc analysis of multi-component mixtures by correlated electron imaging–ion mass spectrometry

I. Powis, M. Janssen, C. S. Lehmann, 2015 .

Photoelectron Circular Dichroism

I. Powis, 2012 .

Chiral asymmetry in the angle-resolved O and C 1s-1 core photoemissions of the R enantiomer of glycidol

I. Powis, U. Hergenhahn, C. Harding, 2008 .

An unusual π* shape resonance in the near-threshold photoionization of S₁ para-difluorobenzene

I. Powis, S. Bellm, K. L. Reid, 2005 .

Photoelectron circular dichroism in core level ionization of randomly oriented pure enantiomers of the chiral molecule camphor.

I. Powis, U. Hergenhahn, G. García, 2004, The Journal of chemical physics.

Core-level Time Resolved Spectroscopy of Photoelectron Circular Dichroism in Fenchone

K. Prince, S. Stagira, C. Callegari, 2020 .

Photoelectron circular dichroism: Chiral asymmetry in the angular distribution of electrons emitted by (+)-S-carvone.

I. Powis, 2008, Chirality.

Advanced search for the origin of life's homochirality: asymmetric photon induced processes on chiral compounds with far UV circularly polarized synchrotron radiation

Laurent Nahon, Ivan Powis, Gustavo Garcia, 2007, SPIE Optical Engineering + Applications.

Circular dichroism in the angle-resolved C 1s photoemission spectra of gas-phase carvone enantiomers.

I. Powis, U. Hergenhahn, C. Harding, 2005, The Journal of chemical physics.

Near-threshold photoionization spectroscopy of the mono-terpenes limonene and carvone

I. Powis, G. García, L. Nahon, 2003 .

An imaging photoelectron-photoion coincidence investigation of homochiral 2R,3R-butanediol clusters.

I. Powis, G. García, L. Nahon, 2017, The Journal of chemical physics.

Oriented molecule photoelectron angular distributions in the vicinity of a photoionization shape resonance: Continuum multiple scattering-Xα calculations for valence ionization of CF3Cl

I. Powis, 1997 .

Complete determination of the photoionization dynamics of a polyatomic molecule. I. Experimental photoelectron angular distributions from A1Au acetylene.

P. Hockett, I. Powis, A. King, 2007, The Journal of chemical physics.

Symmetry considerations in molecular photoionization: Fixed molecule photoelectron angular distributions in C3v molecules as observed in photoelectron–photoion coincidence experiments

I. Powis, K. L. Reid, 1994 .

Valence shell photoionization dynamics calculations for oriented PF3 molecules

I. Powis, 1995 .

Photoelectron-photofragment ion recoil vector correlations in the dissociative photoionization of PF3 at He I and Ne I ionizing wavelengths

I. Powis, 1993 .

Photoelectron anisotropy: what may be learned from photoelectron—photofragment ion correlations

I. Powis, 1992 .

MOLECULE-FRAME PHOTOELECTRON ANGULAR DISTRIBUTIONS FROM ORIENTED CF3I MOLECULES

I. Powis, P. Downie, 1999 .

ANISOTROPY IN THE PREPARATION OF SYMMETRIC TOP EXCITED STATES. I. ONE-PHOTON ELECTRIC DIPOLE EXCITATION

I. Powis, E. V. Kleef, 1999 .

Initial-state and final-state vibrational effects in the treatment of molecular photoionization dynamics

I. Powis, 2011 .

Vibration-dependent photoelectron angular distributions and branching ratios observed across the Cooper-minimum region of bromobenzene

I. Powis, D. Holland, E. Antonsson, 2017 .

Valence-shell Photoelectron Circular Dichroism (PECD) on Chiral Halogenated Molecules in the Gas Phase

I. Powis, G. García, L. Nahon, 2015 .

Auger electron angular distributions following excitation or ionization from the Xe 3d and F 1s levels in xenon difluoride.

J. Bozek, R. Forbes, P. Hockett, 2021, Physical chemistry chemical physics : PCCP.

Auger electron angular distributions following excitation or ionization of the I 3d level in methyl iodide.

J. Bozek, D. Rolles, J. Underwood, 2018, The Journal of chemical physics.

Competing pre-dissociations of O+2(B̃ 2∑−g)

I. Powis, C. Danby, R. Blyth, 1981 .

Ionization of pyridine: Interplay of orbital relaxation and electron correlation.

E. V. Gromov, A. W. Potts, I. Powis, 2017, The Journal of chemical physics.

Unimolecular and bimolecular ion-molecule reaction dynamics

C. Ng, I. Powis, T. Baer, 1994 .

The unimolecular fragmentation of energy-selected acetone ions

I. Powis, C. Danby, 1979 .

Changeable behavior in the unimolecular decay channels of electronically excited states of methyl bromide(1+) and methyl chloride(1+)

I. Powis, I. Lane, 1993 .

Photoion anisotropy in dissociative photoionization of CF3I

I. Powis, O. Dutuit, P. Guyon, 1990 .

The langevin model in statistical-dynamical dissociation theory: application to the systems (X2E) CF3X+ → CF+3 + X

I. Powis, C. Danby, 1979 .

A study of the valence shell spectroscopic and thermodynamic properties of trifluoronitrosomethane cations

J. Underwood, I. Powis, D. Holland, 2012 .

Background correction in electron-ion coincidence experiments using a self-optimizing, pseudorandom count generator

I. Powis, P. Downie, 1998 .

High resolution laser photoionization and photoelectron studies

C. Ng, I. Powis, T. Baer, 1995 .

Interpretation of the Photofragment Anisotropy Observed Upon n .fwdarw. .pi. (C:O) Excitation of Acetyl Halides

I. Powis, I. Lane, R. Meehan, 1995 .

Completing dissociation channels of nitromethane and methyl nitrite ions and the role of electronic and internal modes of excitation

I. Powis, C. Danby, I. K. Ogden, 1983 .

The influence of the bromine atom Cooper minimum on the photoelectron angular distributions and branching ratios of the four outermost bands of bromobenzene.

A. Dreuw, I. Powis, D. Holland, 2015, The Journal of chemical physics.

Ionization Energy of CF3 Deduced from Photoionization of Jet-Cooled CF3Br

I. Powis, G. García, P. Guyon, 2001 .

Changeable Behavior in the Unimolecular Decay Channels of Electronically Excited States of CH3Br+ and CH3Cl+.

I. Powis, I. Lane, 1993 .

Energetics and dynamics in the dissociative photoionization of PF3 at 21.2 eV

I. Powis, E. V. Kleef, D. J. Reynolds, 1991 .

Photoion Anisotropy in Dissociative Photoionization of CF3I.

I. Powis, O. Dutuit, P. Guyon, 1990 .

Continuum MS-Xα calculations for core and outer valence shell photoionization of PF3

I. Powis, 1993 .

A study of the photoionisation dynamics of chloromethane and iodomethane

I. Powis, D. Holland, G. Öhrwall, 2006 .

Kinetic energy release distributions in the dissociation of CH+4 and CD+4 ions

I. Powis, 1979 .

Competing ionization and dissociation of methyl iodide in the one-photon A-band region

I. Powis, J. Black, 1988 .

Photodissociation of polarized diatomic molecules in the axial recoil limit: Control of atomic polarization

J. Underwood, I. Powis, 2000 .

Photofragmentation of CH3Br in the red wing of the first continuum absorption band

Ivan Powis, J. Underwood, I. Powis, 2000 .

Does additional exercise improve trunk function recovery in stroke patients? A meta-analysis.

C. White, I. Sorinola, I. Powis, 2014, NeuroRehabilitation.

Fragmentation of valence electronic states of BF+3 below 21.2 eV

I. Powis, I. Lane, J. Romero, 1993 .

A photoelectron—photoion coincidence study of acetaldehyde and ethylene oxide molecular ions

I. Powis, C. Danby, Keith Johnson, 1982 .

Time-Resolved Chiral X-Ray Photoelectron Spectroscopy with Transiently Enhanced Atomic Site Selectivity: A Free-Electron Laser Investigation of Electronically Excited Fenchone Enantiomers

K. Prince, S. Stagira, C. Callegari, 2022, Physical Review X.

VUV photodynamics and chiral asymmetry in the photoionization of gas phase alanine enantiomers.

I. Powis, G. García, L. Nahon, 2014, The journal of physical chemistry. A.