POWIS, I., SHAW, D. A., TOWNSEND, D. and HOLLAND, D. M. P., 2025. Valence shell electronically excited states of 1-phenylimidazole and 1-benzylimidazole Mol. Phys.. 123, e2353878
RAZMUS, W. O., PRLJ, A., SEIFERT, N. A., BONANOMI, M., CALLEGARI, C., DANAILOV, M., DECLEVA, P., DEMIDOVICH, A., DE NINNO, G., DEVETTA, M., FACCIALA, D., FEIFEL, R., GIANNESSI, L., PITESA, T., POWIS, I., RAIMONDI, L., REID, K. L., RIBIC, P. R., SPEZZANI, C., SQUIBB, R. J., THOMPSON, J. O. F., PLEKAN, O., VOZZI, C., WARNE, E. M., ZANGRANDO, M., PRINCE, K. C., DI FRAIA, M., HOLLAND, D. M. P., MINNS, R. S., DOSLIC, N. and PRATT, S. T., 2025. Time-resolved vacuum-ultraviolet photoelectron spectroscopy of the A 1Au state of acetylene J. Chem. Phys.. 162(5), 054310
STEMER, DOMINIK, TH脺RMER, STEPHAN, TRINTER, FLORIAN, HERGENHAHN, UWE, PUGINI, MICHELE, CREDIDIO, BRUNO, MALERZ, SEBASTIAN, WILKINSON, IAIN, NAHON, LAURENT, MEIJER, GERARD, POWIS, IVAN and WINTER, BERND, 2025. Photoelectron circular dichroism of aqueous-phase alanine Chem. Sci.. 16(20), 8637-8647
POWIS, I., CUELLAR-ZUQUIN, J., GIUSSANI, A., SEGARRA-MARTI, J., GANS, B., JACOVELLA, U., BOZEK, J. D., PRATT, S. T. and HOLLAND, D. M. P., 2025. An Experimental and Theoretical Study of the Valence Shell Electronic Structure of Nitromethane J. Phys. Chem. A. 129(38), 8798-8816 HOLLAND, D. M. P., SHAW, D. A., TOWNSEND, D. and POWIS, I, 2023. MOLECULAR PHYSICS. 121(7-8), e2122614
FACCIALA, D., DEVETTA, M., BEAUVARLET, S., BESLEY, N., CALEGARI, F., CALLEGARI, C., CATONE, D., CINQUANTA, E., CIRIOLO, A. G., COLAIZZI, L., CORENO, M., CRIPPA, G., DE NINNO, G., DI FRAIA, M., GALLI, M., GARCIA, G. A., MAIRESSE, Y., NEGRO, M., PLEKAN, O., GEETHA, P. PRASANNAN, PRINCE, K. C., PUSALA, A., STAGIRA, S., TURCHINI, S., UEDA, K., YOU, D., ZEMA, N., BLANCHET, V., NAHON, L., POWIS, I. and VOZZI, C., 2023. PHYSICAL REVIEW X. 13(1), 011044
POWIS, IVAN and SINGH, DHIRENDRA PRATAP, 2023. Physical Chemistry Chemical Physics. 25, 16712 - 16717
HASSAN GANJITABAR, RIM HADIDI, GUSTAVO A. GARCIA, LAURENT NAHON and IVAN POWIS, 2023. Analyst. 148(24), 6228-6240
FORBES, RUARIDH, HOCKETT, PAUL, POWIS, IVAN, BOZEK, JOHN D., PRATT, STEPHEN T. and HOLLAND, DAVID M. P., 2022. PHYSICAL CHEMISTRY CHEMICAL PHYSICS. 24(3), 1367-1379
KISELEV, M. D., REINHARDT, M., PATANEN, M., KIVIMAKI, A., POWIS, I, ZATSARINNY, O., GRUM-GRZHIMAILO, A. N. and HOLLAND, D. M. P., 2022. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS. 55(5),
POHL, MARVIN N., MALERZ, SEBASTIAN, TRINTER, FLORIAN, LEE, CHIN, KOLBECK, CLAUDIA, WILKINSON, IAIN, THUERMER, STEPHAN, NEUMARK, DANIEL M., NAHON, LAURENT, POWIS, IVAN, MEIJER, GERARD, WINTER, BERND and HERGENHAHN, UWE, 2022. PHYSICAL CHEMISTRY CHEMICAL PHYSICS. 24(14), 8081-8092
HADIDI, RIM, BOZANIC, DUSAN K., GANJITABAR, HASSAN, GARCIA, GUSTAVO A., POWIS, IVAN and NAHON, LAURENT, 2021. COMMUNICATIONS CHEMISTRY. 4(1),
DURAN, AYSE T., POWIS, IVAN, HOLLAND, DAVID M. P., NICOLAS, CHRISTOPHE, BOZEK, JOHN, TROFIMOV, A. B., GRIGORICHEVA, E. K. and SKITNEVSKAYA, A. D., 2021. JOURNAL OF CHEMICAL PHYSICS. 154(9),
HOLLAND, D. M. P., NANDI, S., NICOLAS, C., BOZEK, J. D., PATANEN, M. and POWIS, I., 2021. CHEMICAL PHYSICS. 542,
PATANEN, M., ABID, A. R., PRATT, S. T., KIVIMAEKI, A., TROFIMOV, A. B., SKITNEVSKAYA, A. D., GRIGORICHEVA, E. K., GROMOV, E. V., POWIS, I. and HOLLAND, D. M. P., 2021. JOURNAL OF CHEMICAL PHYSICS. 155(5),
FORBES, R., HOCKETT, P., POWIS, I, BOZEK, J. D., HOLLAND, D. M. P. and PRATT, S. T., 2021. JOURNAL OF CHEMICAL PHYSICS. 155(19),
SINGH, DHIRENDRA P., THOMPSON, JAMES O. F., REID, KATHARINE L. and POWIS, IVAN, 2021. JOURNAL OF PHYSICAL CHEMISTRY LETTERS. 12(46), 11438-11443
GANJITABAR, HASSAN, GARCIA, GUSTAVO A., NAHON, LAURENT and POWIS, IVAN, 2020. JOURNAL OF CHEMICAL PHYSICS. 153(3),
FORBES, RUARIDH, DE FANIS, ALBERTO, ROLLES, DANIEL, PRATT, STEPHEN T., POWIS, IVAN, BESLEY, NICHOLAS A., MILOSAVLJEVIC, ALEKSANDAR R., NICOLAS, CHRISTOPHE, BOZEK, JOHN D. and HOLLAND, DAVID M. P., 2020. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS. 53(15),
SINGH, DHIRENDRA P., DE OLIVEIRA, NELSON, GARCIA, GUSTAVO A., VREDENBORG, ARNO and POWIS, IVAN, 2020. CHEMPHYSCHEM. 21(21), 2468-2483
GANJITABAR, HASSAN, SINGH, DHIRENDRA P., CHAPMAN, RICHARD, GARDNER, ADRIAN, MINNS, RUSSELL S., POWIS, IVAN, REID, KATHARINE L. and VREDENBORG, ARNO, 2020. MOLECULAR PHYSICS.
TROFIMOV, A B, POWIS, I, MENZIES, R C, HOLLAND, D M P, ANTONSSON, E, PATANEN, M, NICOLAS, C, MIRON, C, SKITNEVSKAYA, A D, GROMOV, E V and KOPPEL, H, 2018. The Journal of chemical physics. 149(7), 074306
FORBES R, DE FANIS A, BOMME C, ROLLES D, PRATT ST, POWIS I, BESLEY NA, NANDI S, MILOSAVLJEVI膯 AR, NICOLAS C, BOZEK JD, UNDERWOOD JG and HOLLAND DMP, 2018. The Journal of chemical physics. 149(9), 094304
HASSAN GANJITABAR, RIM HADIDI, GUSTAVO GARCIA, LAURENT NAHON and IVAN POWIS, 2018. Journal of Molecular Spectroscopy. 353, 11-19
RUARIDH FORBES, ALBERTO DE FANIS, C脡DRIC BOMME, DANIEL ROLLES, STEPHEN T. PRATT, IVAN POWIS, NICHOLAS A. BESLEY, MARC SIMON, SAIKAT NANDI, ALEKSANDAR R. MILOSAVLJEVI, CHRISTOPHE NICOLAS, JOHN D. BOZEK, JONATHAN G. UNDERWOOD and DAVID M.P. HOLLAND, 2018. Journal of Chemical Physics. 149, 144302
POWIS, I., MENZIES, R. C., HOLLAND, D. M. P., TROFIMOV, A. B., SKITNEVSKAYA, A. D., GROMOV, E. V., ANTONSSON, E., PATANEN, M., NICOLAS, C. and MIRON, C., 2018. JOURNAL OF CHEMICAL PHYSICS. 149(7),
A. B. TROFIMOV, I. POWIS, R. C. MENZIES, D. M. P. HOLLAND, E. ANTONSSON, M. PATANEN, C. NICOLAS, C. MIRON, A. D. SKITNEVSKAYA, E. V. GROMOV and H. K脰PPEL, 2018. Journal of Chemical Physics. 149(7), 074306
RAFIEE FANOOD, MOHAMMAD M., GANJITABAR, HASSAN, GARCIA, GUSTAVO A., NAHON, LAURENT, TURCHINI, STEFANO and POWIS, IVAN, 2018. Chemphyschem. 19, 921-933
I. POWIS, R. C. MENZIES, D. M. P. HOLLAND, A. B. TROFIMOV, A. D. SKITNEVSKAYA, E. V. GROMOV, E. ANTONSSON, M. PATANEN, C. NICOLAS and C. MIRON, 2018. Journal of Chemical Physics. 149(7), 074305
HASSAN GANJITABAR, RIM HADIDI, GUSTAVO GARCIA, LAURENT NAHON and IVAN POWIS, 2018. Journal of Molecular Spectroscopy. 353, 11-19
RUARIDH FORBES, ALBERTO DE FANIS, C脡DRIC BOMME, DANIEL ROLLES, STEPHEN T. PRATT, IVAN POWIS, NICHOLAS A. BESLEY, MARC SIMON, SAIKAT NANDI, ALEKSANDAR R. MILOSAVLJEVI, CHRISTOPHE NICOLAS, JOHN D. BOZEK, JONATHAN G. UNDERWOOD and DAVID M.P. HOLLAND, 2018. Journal of Chemical Physics. 149, 144302
RUARIDH FORBES, ALBERTO DE FANIS, C脡DRIC BOMME, DANIEL ROLLES, STEPHEN T. PRATT, IVAN POWIS, NICHOLAS A. BESLEY, SAIKAT NANDI, ALEKSANDAR R. MILOSAVLJEVI, CHRISTOPHE NICOLAS, JOHN D. BOZEK, JONATHAN G. UNDERWOOD and DAVID M.P. HOLLAND, 2018. Journal of Chemical Physics. 149(9), 094304
TROFIMOV, A. B., HOLLAND, D. M. P., POWIS, I., MENZIES, R. C., POTTS, A. W., KARLSSON, L., GROMOV, E. V., BADSYUK, I. L. and SCHIRMER, J., 2017. JOURNAL OF CHEMICAL PHYSICS. 146(24),
A. B. TROFIMOV, D. M. P. HOLLAND, I. POWIS, R. C. MENZIES, A. W. POTTS, L. KARLSSON, E. V. GROMOV, I. L. BADSYUK and J. SCHIRMER, 2017. Journal of Chemical Physics. 146(24), 244307
POWIS, I., PATANEN, M., ANTONSSON, E., NICOLAS, C., MIRON, C. and HOLLAND, D. M. P., 2017. Vibration-dependent photoelectron angular distributions and branching ratios observed across the Cooper-minimum region of bromobenzene: Physical Review A Physical Review A. 96(1), 013413 HOLLAND, D. M. P., POWIS, I., TROFIMOV, A. B., MENZIES, R. C., POTTS, A. W., KARLSSON, L., BADSYUK, I. L., MOSKOVSKAYA, T. E., GROMOV, E. V. and SCHIRMER, J., 2017. An experimental and theoretical study of the valence shell photoelectron spectra of 2-chloropyridine and 3-chloropyridine: Journal of Chemical Physics Journal of Chemical Physics. 147(16), 164307 GARCIA, GUSTAVO A., DOSSMANN, H脡LO脧SE, NAHON, LAURENT, DALY, STEVEN and POWIS, IVAN, 2017. Chemphyschem. 18(5), 500-512
STEVEN DALY, IVAN POWIS, GUSTAVO A. GARCIA, MAURICE TIA and LAURENT NAHON, 2017. The Journal of Chemical Physics. 147(1), 013937
RAFIEE FANOOD, MOHAMMAD M., MAURICE H. M. JANSSEN and IVAN POWIS, 2016. Journal of Chemical Physics. 145(12), 124320
LAURENT NAHON, LIPSA NAG, GUSTAVO A. GARCIA, IULIIA MYRGORODSKA, UWE MEIERHENRICH, SAMUEL BEAULIEU, VINCENT WANIE, VAL脡RIE BLANCHET, ROMAIN G脡NEAUX and IVAN POWIS, 2016. Physical Chemistry Chemical Physics. 18(18), 12696-12706
STEVEN DALY, MAURICE TIA, GUSTAVO A. GARCIA, LAURENT NAHON and IVAN POWIS, 2016. Angewandte Chemie International Edition. 55(37), 11054-11058
SCHNEIDER, M., SOSHNIKOV, D. YU., HOLLAND, D. M. P., POWIS, I., ANTONSSON, E., PATANEN, M., NICOLAS, C., MIRON, C., WORMIT, M., DREUW, A. and TROFIMOV, A. B., 2015. The Journal of Chemical Physics. 143(14), 144103
RAFIEE FANOOD, MOHAMMAD M., N. BHARGAVA RAM, C. STEFAN LEHMANN, IVAN POWIS and MAURICE H.M. JANSSEN, 2015. Nature Communications. 6, 7511
RAFIEE FANOOD, MOHAMMAD M., JANSSEN, MAURICE H. M. and POWIS, IVAN, 2015. Physical Chemistry Chemical Physics. 17, 8614-8617
POWIS, I., HOLLAND, D. M. P., ANTONSSON, E., PATANEN, M., NICOLAS, C., MIRON, C., SCHNEIDER, M., SOSHNIKOV, D. YU., DREUW, A. and TROFIMOV, A. B., 2015. Journal of Chemical Physics. 143(14), 144304
LAURENT NAHON, GUSTAVO A. GARCIA and IVAN POWIS, 2015. Journal of Electron Spectroscopy and Related Phenomena. 204(B), 322-334
D.M.P. HOLLAND, I. POWIS, A.B. TROFIMOV, I.L. BODZUK, D.YU. SOSHNIKOV, A.W. POTTS and L. KARLSSON, 2015. Chemical Physics. 448, 61-75
STEVEN DALY, IVAN POWIS, MAURICE TIA, GUSTAVO A. GARCIA and LAURENT NAHON, 2015. International Journal of Mass Spectrometry. 376, 46-53
TIA, MAURICE, CUNHA DE MIRANDA, BARBARA, DALY, STEVEN, GAIE-LEVREL, FRAN脟OIS, GARCIA, GUSTAVO A., NAHON, LAURENT and POWIS, IVAN, 2014. Journal of Physical Chemistry A. 118, 2765-2779
RAFIEE FANOOD, MOHAMMAD M., POWIS, IVAN and JANSSEN, MAURICE H. M., 2014. Journal of Physical Chemistry A. 118(49), 11541-11546
IVAN POWIS, STEVEN DALY, MAURICE TIA, CUNHA DE MIRANDA, BARBARA, GUSTAVO A. GARCIA and LAURENT NAHON, 2014. Physical Chemistry Chemical Physics. 16(2), 467-476
POWIS, IVAN, 2014. Journal of Chemical Physics. 140(11), 111103
MAURICE H.M. JANSSEN and IVAN POWIS, 2014. Physical Chemistry Chemical Physics. 16(3), 856-871
GARCIA, GUSTAVO A., DOSSMANN, HELOISE, NAHON, LAURENT, DALY, STEVEN and POWIS, IVAN, 2014. Physical Chemistry Chemical Physics. 16(30), 16214-16224
TIA, MAURICE, CUNHA DE MIRANDA, BARBARA, DALY, STEVEN, GAIE-LEVREL, FRANCOIS, GARCIA, GUSTAVO A., POWIS, IVAN and NAHON, LAURENT, 2013. Journal of Physical Chemistry Letters. 4, 2698-2704
POWIS, I., TROFIMOV, A. B., BODZUK, I. L., HOLLAND, D. M. P., POTTS, A. W. and KARLSSON, L., 2013. Chemical Physics. 415, 291-308
POTTS, A. W., HOLLAND, D. M. P., POWIS, I., KARLSSON, L., TROFIMOV, A. B. and BODZUK, I. L., 2013. Chemical Physics. 415, 84-97
C. STEFAN LEHMANN, N. BHARGAVA RAM, IVAN POWIS and MAURICE H.M. JANSSEN, 2013. Journal of Chemical Physics. 139(23), 234307
GARCIA, GUSTAVO A., NAHON, LAURENT, DALY, STEVEN and POWIS, IVAN, 2013. Nature Communications. 4, 2132
IVAN POWIS, 2012. Photoelectron Circular Dichroism. In: NINA BEROVA, PRASAD POLAVARAPU, KOJI NAKANISHI and ROBERT WOODY, eds., Comprehensive Chiroptical Spectroscopy 1. John Wiley & Sons. 407-431
D.M. GRAHAM, I. POWIS, J.G. UNDERWOOD, D.A. SHAW and D.M.P. HOLLAND, 2012. Chemical Physics. 394, 1-8
IVAN POWIS, 2011. Physical Review A. 84(1), 013402
DALY, S., POWIS, I., GARCIA, G.A., SOLDI-LOSE, H. and NAHON, L.,, 2011. Journal of Chemical Physics. 134(6), 064306
LAURENT NAHON and IVAN POWIS, 2010. Valence Photoelectron Circular Dichroism of Gas Phase Enantiomers. In: ANNE ZEHNACKER, ed., Chiral Recognition in the Gas Phase Taylor & Francis.
NAHON, LAURENT, GARCIA, GUSTAVO A., SOLDI-LOSE, HELOISE, DALY, STEVEN and POWIS, IVAN, 2010. Physical Review A. 82(3), art. no. 032514
GARCIA, GUSTAVO A., SOLDI-LOSE, HELOISE, NAHON, LAURENT and POWIS, IVAN, 2010. Journal of Physical Chemistry A. 114(2), 847-853
VOLKER ULRICH, SILKO BARTH, SANJEEV JOSHI, UWE HERGENHAHN, ELISABETH A. MIKAJLO, CHRIS J. HARDING and IVAN POWIS, 2008. Journal of Physical Chemistry A. 112(16), 3544-3549
POWIS, I, HARDING, C. J., GARCIA, G. A. and NAHON, L., 2008. Chemphyschem. 9, 475-483
IVAN POWIS, CHRIS J. HARDING, SILKO BARTH, SANJEEV JOSHI, VOLKER ULRICH and UWE HERGENHAHN, 2008. Physical Review A. 78(5), 052501
IVAN POWIS, 2008. Chirality. 20(9), 961-968
IVAN POWIS, 2008. Photoelectron Circular Dichroism in Chiral Molecules. In: J.C. LIGHT, ed., Advances in Chemical Physics 138. Wiley. 267-329
GUSTAVO A. GARCIA, LAURENT NAHON, CHRIS J. HARDING and IVAN POWIS, 2008. Physical Chemistry Chemical Physics. 10, 1628-1639
I. POWIS, I. L. ZAYTSEVA, A. B. TROFIMOV, J. SCHIRMER, D. M. P. HOLLAND, A. W. POTTS and L. KARLSSON, 2007. Journal of Physics B: Atomic, Molecular and Optical Physics. 40(11), 2019
NAHON, LAURENT, GARCIA, GUSTAVO, POWIS, IVAN, MEIERHENRICH, UWE and BRACK, ANDR脡, 2007. Proceedings- Spie the International Society for Optical Engineering. 6694, 669403
M. STENER, D. DI TOMMASO, G. FRONZONI, P. DECLEVA and IVAN POWIS, 2006. Theoretical study on the circular dichroism in core and valence photoelectron angular distributions of camphor enantiomers: Journal of Chemical Physics Journal of Chemical Physics. 124(2), 024326
NAHON, L., GARCIA, G. A., HARDING, C. J., MIKAJLO, E. A. and POWIS, I., 2006. Determination of chiral asymmetries in the valence photoionization of camphor enantiomers by photoelectron imaging using tunable circularly polarized light: Journal of Chemical Physics Journal of Chemical Physics. 125, 114309
HOLLAND, D. M. P., POWIS, I., OHRWALL, G., KARLSSON, L. and VON NIESSEN, W., 2006. Chemical Physics. 326(2-3), 535-550
CHRIS J. HARDING and IVAN POWIS, 2006. Sensitivity of photoelectron circular dichroism to structure and electron dynamics in the photoionization of carvone and related chiral monocyclic terpenone enantiomers: Journal of Chemical Physics Journal of Chemical Physics. 125, 234306
I. POWIS, J. D. THROWER, A. B. TROFIMOV, T. E. MOSKOVSKAYA, J. SCHIRMER, A. W. POTTS, D. M. P. HOLLAND, F. BRUHN and L. KARLSSON, 2005. Chemical Physics. 315(1-2), 121-132
CHRIS J. HARDING, ELISABETH A. MIKAJLO, IVAN POWIS, SILKO BARTH, SANJEEV JOSHI, VOLKER ULRICH and UWE HERGENHAHN, 2005. Circular Dichroism in the Angle-Resolved C 1s Photoemission Spectroscopy of Gas-Phase Carvone Enantiomers: Journal of Chemical Physics Journal of Chemical Physics. 123(23), 234310
GARCIA, G. A., NAHON, L., HARDING, C. J., MIKAJLO, E. A. and POWIS, I., 2005. A refocusing modified velocity map imaging electron/ion spectrometer adapted to synchrotron radiation studies: Review of Scientific Instruments Review of Scientific Instruments. 76(5), 053302
SUSAN M. BELLM, JULIA A. DAVIES, PAUL T. WHITESIDE, JINGWEI GUO, IVAN POWIS and KATHARINE L. REID, 2005. An unusual pi* shape resonance in the near-threshold photoionization of S1 para-difluorobenzene.: Journal of Chemical Physics Journal of Chemical Physics. 122(22), 224306
HOLLAND, D. M. P., POWIS, I., KARLSSON, L., TROFIMOV, A. B., SCHIRMER, J. and VON NIESSEN, W., 2004. A study of the photoionisation dynamics of the cyanogen halides: Chemical Physics Chemical Physics. 297(1-3), 55-73 HERGENHAHN, U., RENNIE, E. E., KUGELER, O., MARBURGER, S., LISCHKE, T., POWIS, I. and GARCIA, G., 2004. Photoelectron circular dichroism in core level ionization of randomly oriented pure enantiomers of the chiral molecule camphor: Journal of Chemical Physics Journal of Chemical Physics. 120(10), 4553-4556 POWIS, IVAN, RENNIE, EMMA E., HERGENHAHN, UWE, KUGELER, OLIVER and BUSSY-SOCRATE, REAGAN, 2003. Investigation of the Gas-Phase Amino Acid Alanine by Synchrotron Radiation Photoelectron Spectroscopy: Journal of Physical Chemistry A Journal of Physical Chemistry A. 107(1), 25-34
GARCIA, G. A., NAHON, L. and POWIS, I., 2003. International Journal of Mass Spectrometry. 225(3), 261-270
GARCIA, G. A., NAHON, L., LEBECH, M., HOUVER, J. C., DOWEK, D. and POWIS, I., 2003. Circular dichroism in the photoelectron angular distribution from randomly oriented enantiomers of camphor: Journal of Chemical Physics Journal of Chemical Physics. 119(17), 8781-8784 RENNIE, EMMA E., POWIS, IVAN, HERGENHAHN, UWE, KUGELER, OLIVER, MARBURGER, SIMON and WATSON, TIM M., 2002. Valence and C 1: Journal of Physical Chemistry A Journal of Physical Chemistry A. 106(51), 12221-12228
RENNIE, E. E., POWIS, I., HERGENHAHN, U., KUGELER, O., GARCIA, G., LISCHKE, T. and MARBURGER, S., 2002. Journal of Electron Spectroscopy and Related Phenomena. 125(3), 197-203
HIKOSAKA, Y., ELAND, J. H. D., WATSON, T. M. and POWIS, I., 2001. Molecule frame photoelectron angular distributions from oriented methyl chloride and methyl fluoride molecules: Journal of Chemical Physics Journal of Chemical Physics. 115(10), 4593-4603
GARCIA, G. A., GUYON, P. M. and POWIS, I., 2001. Ionization energy of CF: Journal of Physical Chemistry A Journal of Physical Chemistry A. 105(36), 8296-8301
UNDERWOOD, J. G. and POWIS, I., 2000. Photodissociation of polarized diatomic molecules in the axial recoil limit: Control of atomic polarization: Journal of Chemical Physics Journal of Chemical Physics. 113(17), 7119-7130
UNDERWOOD, J. G. and POWIS, I., 2000. Photofragmentation of CH: Physical Chemistry Chemical Physics Physical Chemistry Chemical Physics. 2(4), 747-756
POWIS, I., 2000. Journal of Chemical Physics. 112(1), 301-310
POWIS, I., 2000. Journal of Physical Chemistry A. 104(5), 878-882
DOWNIE, P. and POWIS, I., 2000. Faraday Discussions. 115, 103-117
VAN KLEEF, E. H. and POWIS, I., 1999. Anisotropy in the Preparation of Symmetric Top Excited States. I. One-photon Electric Dipole Excitation: Molecular Physics Molecular Physics. 96, 757-774
DOWNIE, P. and POWIS, I., 1999. The 5: Journal of Chemical Physics Journal of Chemical Physics. 111(10), 4535-4547
DOWNIE, P. and POWIS, I., 1999. Physical Review Letters. 82, 2864-2867
POWIS, I. and DOWNIE, P., 1998. Review of Scientific Instruments. 69, 3142-3145
POWIS, I., 1997. Journal of Chemical Physics. 106, 5013-5027
POWIS, I. and DOWNIE, P., 1995. Recoil vector correlations in multiparticle fragmentation: the examinations of orientation effects in dissociative vuv photoionization. In: HEPBURN, J. W., ed., Laser Techniques for State-Selected and State-to-State Chemistry III SPIE. 49-59
POWIS, I., BAER, T. and NG, C.-Y., eds., 1995. High Resolution Laser Photoionization and Photoelectron Studies: Wiley Series in Ion Chemistry and Physics John Wiley & Sons.
POWIS, I., 1995. A theoretical CMS-X: Chemical Physics Chemical Physics. 201(1), 189-201
POWIS, I., 1995. Journal of Chemical Physics. 103(13), 5570-5589
LANE, I. C., MEEHAN, R. and POWIS, I., 1995. Journal of Physical Chemistry. 99(33), 12371-12374
DOWNIE, P., REYNOLDS, D. J. and POWIS, I., 1995. Parallel, multichannel energy and angle resolving electrostatic electron analyzer: Review of Scientific Instruments Review of Scientific Instruments. 66(7), 3807-3818
REID, K. L. and POWIS, I., 1994. Symmetry Considerations in Molecular Photoionization: Fixed Molecule Photoelectron Angular Distributions in C: Journal of Chemical Physics Journal of Chemical Physics. 100, 1066-1074
ROMERO, J., LANE, I. C. and POWIS, I., 1993. Fragmentation of Valence Electronic States of BF: Journal of the Chemical Society: Faraday Transactions Journal of the Chemical Society: Faraday Transactions. 89, 1179-1182
POWIS, I. and REID, K. L., 1993. State-selection and orientation of molecular ions: exploiting the photoelectron-photofragment ion recoil vector correlation. In: NG, C. Y., ed., Laser Techniques for State-Selected and State-State Chemistry SPIE. 444-452
POWIS, I., 1993. Continuum MS-X: Chemical Physics Letters Chemical Physics Letters. 215, 269-274
POWIS, I., 1993. Journal of Chemical Physics. 99, 3436-3443
POWIS, I., 1993. Molecular Photodissociation: Experiment. In: DELGADO-BARRIO, G., ed., Dynamical Processes in Molecular Physics Adam Hilger(IOP). 51-79
LANE, I. C. and POWIS, I., 1993. Changeable Behaviour in the Unimolecular Decay Channels of Electronically Excited States of CH: Journal of Physical Chemistry Journal of Physical Chemistry. 97, 5803-5808
DOWNIE, P., REYNOLDS, D. J., LITCHFIELD, D. J., PARSONS, R. and POWIS, I., 1993. A High Resolution Position Sensitive Charged Particle Detector System for Operation at MHz Countrates: Measurement Science & Technology Measurement Science & Technology. 4, 1293-1296
CREASEY, J. C., JONES, H. M., SMITH, D. M., TUCKETT, R. P., HATHERLY, P. A., CODLING, K. and POWIS, I., 1993. Fragmentation of Valence Electronic States of CF: Chemical Physics Chemical Physics. 174, 441-452
POWIS, I., 1992. Chemical Physics Letters. 189, 473-478
REYNOLDS, D. J., VAN KLEEF, E. H. and POWIS, I., 1991. Energetics and Dynamics in the Dissociative Photoionization of PF: Journal of Chemical Physics Journal of Chemical Physics. 95, 8895-8900
REYNOLDS, D. J. and POWIS, I., 1991. Dissociation Dynamics of D: Journal of the Chemical Society: Faraday Transactions Journal of the Chemical Society: Faraday Transactions. 87, 921-926
POWIS, I., DUTUIT, O., RICHARD-VIARD, M. and GUYON, P.-M., 1990. Journal of Chemical Physics. 92, 1643-1652
POWIS, I. and BLACK, J. F., 1989. Rotational Population and Alignment of CD: Journal of Physical Chemistry Journal of Physical Chemistry. 93, 2461-2470
BLACK, J. F. and POWIS, I., 1988. Rotational Structure and Pre-Dissociation Dynamics of the Methyl 4: Journal of Chemical Physics Journal of Chemical Physics. 89, 3986-3992
BLACK, J. F. and POWIS, I., 1988. A Simultaneous Photofragment Spectroscopy Measurement of Rovibronic and Translational Excitation in the CH: Laser Chemistry Laser Chemistry. 9, 339-358
BLACK, J. F. and POWIS, I., 1988. Competing Ionization and Dissociation of Methyl Iodide in the One-Photon A-Band Region: Chemical Physics Letters Chemical Physics Letters. 148, 479-485
BLACK, J. F. and POWIS, I., 1988. Photofragment Investigations of the 280 nm Photodissociation of Methyl Iodide Using REMPI I Atom Detection: Chemical Physics Chemical Physics. 125, 375-388
POWIS, I., 1987. Accounts of Chemical Research. 20, 179-185
POWIS, I., 1987. Characterisation and Uses of Ions Generated by Multi-Photon Ionization. In: ASHFOLD, M. N. R. and BAGGOTT, J. E., eds., Molecular Photodissociation Dynamics Royal Society of Chemistry. 211-243
POWIS, I., 1985. Ionization Processes and Ion Dynamics. In: ROSE, M. E., ed., Mass Spectrometry 8. Royal Society of Chemistry. 1-33
LOW, K. G., HAMPTON, P. D. and POWIS, I., 1985. Molecule Coordinate Frame Anisotropy in Dissociative Photoionization of CF: Chemical Physics Chemical Physics. 100, 401-413
POWIS, I., 1984. Ionization Processes and Ion Dynamics. In: JOHNSTONE, R. A. W., ed., Mass Spectrometry 7. Royal Society of Chemistry. 1-62
POWIS, I., 1983. Chemical Physics. 74, 421-432
OGDEN, I. K., SHAW, N., DANBY, C. J. and POWIS, I., 1983. Competing Dissociation Channels of Nitromethane and Methyl Nitrite Ions and the Role of Electronic and Internal Modes of Excitation: International Journal of Mass Spectrometry and Ion Processes International Journal of Mass Spectrometry and Ion Processes. 54, 41-53
LIGHTFOOT, P. D., POWIS, I. and DANBY, C. J., 1983. A Minimum Energy Reaction Path Barrier for the Hydrogen Elimination Reactions of: Chemical Physics Letters Chemical Physics Letters. 96, 232-236
POWIS, I., 1982. Chemical Physics. 68, 251-254
POWIS, I., 1982. Journal of Physics E: Scientific Instruments. 15, 151-154
JOHNSON, K. M., POWIS, I. and DANBY, C. J., 1982. A Photoelectron-Photoion Coincidence Study of Acetaldehyde and Ethylene Oxide Molecular Ions: Chemical Physics Chemical Physics. 70, 329-343
JOHNSON, K. M., POWIS, I. and DANBY, C. J., 1982. Reply to the Comment by J.-P Stadelmann on the Formation of Methyl Cations: Chemical Physics Chemical Physics. 89, 177
POWIS, I., 1981. Journal of the Chemical Society: Faraday Transactions II. 77, 1433-1447
MANSELL, P. I., DANBY, C. J. and POWIS, I., 1981. Dissociation of State-Selected Nitrogen Trifuoride Ions: Journal of the Chemical Society: Faraday Transactions II Journal of the Chemical Society: Faraday Transactions II. 77, 1449-1459
JOHNSON, K. M., POWIS, I. and DANBY, C. J., 1981. Scaling Relationships in Photoelectron-Photoion Coincidence Studies: the Acetone Ion Dissociation: Chemical Physics Chemical Physics. 63, 1-11
BLYTH, R. G. C., POWIS, I. and DANBY, C. J., 1981. Competing Predissociations of O: Chemical Physics Letters Chemical Physics Letters. 84, 272-275
POWIS, I., 1980. Molecular Physics. 39, 311-327
POWIS, I., MANSELL, P. I. and DANBY, C. J., 1979. A Photoelectron-Photoion Coincidence Spectrometer for the Study of Translational Energy Release Distributions: International Journal of Mass Spectrometry and Ion Physics International Journal of Mass Spectrometry and Ion Physics. 32, 15-26
POWIS, I. and DANBY, C. J., 1979. The Unimolecular Fragmentation of Energy Selected Acetone Ions: International Journal of Mass Spectrometry and Ion Physics International Journal of Mass Spectrometry and Ion Physics. 32, 27-33
POWIS, I. and DANBY, C. J., 1979. The Langevin Model in Statistical-Dynamical Dissociation Theory: Application to the System: Chemical Physics Letters Chemical Physics Letters. 65, 390-394
POWIS, I., 1979. Journal of the Chemical Society: Faraday Transactions II. 75, 1294-1306
JOHNSON, K. M., POWIS, I. and DANBY, C. J., 1979. The Fragmentation of COCl: International Journal of Mass Spectrometry and Ion Physics International Journal of Mass Spectrometry and Ion Physics. 32, 1-14