Patrick O'Keeffe
Patrick O'Keeffe
Researcher CNR-ISM
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Cited by
Cited by
Two-color photoionization in xuv free-electron and visible laser fields
M Meyer, D Cubaynes, P O˘keeffe, H Luna, P Yeates, ET Kennedy, ...
Physical Review A 74 (1), 011401, 2006
A modular end-station for atomic, molecular, and cluster science at the low density matter beamline of FERMI@ Elettra
V Lyamayev, Y Ovcharenko, R Katzy, M Devetta, L Bruder, A LaForge, ...
Journal of Physics B: Atomic, Molecular and Optical Physics 46 (16), 164007, 2013
Novel collective autoionization process observed in electron spectra of He clusters
Y Ovcharenko, V Lyamayev, R Katzy, M Devetta, A LaForge, P O˘Keeffe, ...
Physical Review Letters 112 (7), 073401, 2014
Determining the polarization state of an extreme ultraviolet free-electron laser beam using atomic circular dichroism
T Mazza, M Ilchen, AJ Rafipoor, C Callegari, P Finetti, O Plekan, ...
Nature communications 5 (1), 1-6, 2014
Product state resolved dynamics of elementary reactions
M Brouard, P O'Keeffe, C Vallance
The Journal of Physical Chemistry A 106 (15), 3629-3641, 2002
A photoelectron velocity map imaging spectrometer for experiments combining synchrotron and laser radiations
P O˘keeffe, P Bolognesi, M Coreno, A Moise, R Richter, G Cautero, ...
Review of Scientific Instruments 82 (3), 033109, 2011
Extreme ultraviolet ionization of pure He nanodroplets: Mass-correlated photoelectron imaging, Penning ionization, and electron energy-loss spectra
D Buchta, SR Krishnan, NB Brauer, M Drabbels, P O˘Keeffe, M Devetta, ...
The Journal of chemical physics 139 (8), 084301, 2013
Polarization effects in two-photon nonresonant ionization of argon with extreme-ultraviolet and infrared femtosecond pulses
P O˘Keeffe, R López-Martens, J Mauritsson, A Johansson, A L˘Huillier, ...
Physical Review A 69 (5), 051401, 2004
Charge transfer and penning ionization of dopants in or on helium nanodroplets exposed to EUV radiation
D Buchta, SR Krishnan, NB Brauer, M Drabbels, P O˘Keeffe, M Devetta, ...
The Journal of Physical Chemistry A 117 (21), 4394-4403, 2013
The Low Density Matter (LDM) beamline at FERMI: optical layout and first commissioning
C Svetina, C Grazioli, N Mahne, L Raimondi, C Fava, M Zangrando, ...
Journal of Synchrotron Radiation 22 (3), 538-543, 2015
Graphene-induced improvements of perovskite solar cell stability: effects on hot-carriers
P O˘keeffe, D Catone, A Paladini, F Toschi, S Turchini, L Avaldi, F Martelli, ...
Nano letters 19 (2), 684-691, 2019
Collective autoionization in multiply-excited systems: a novel ionization process observed in helium nanodroplets
AC LaForge, M Drabbels, NB Brauer, M Coreno, M Devetta, M Di Fraia, ...
Scientific reports 4, 3621, 2014
The role of the partner atom and resonant excitation energy in interatomic Coulombic decay in rare gas dimers
P O˘Keeffe, E Ripani, P Bolognesi, M Coreno, M Devetta, C Callegari, ...
The Journal of Physical Chemistry Letters 4 (11), 1797-1801, 2013
Pyrimidine and halogenated pyrimidines near edge x-ray absorption fine structure spectra at C and N K-edges: experiment and theory
P Bolognesi, P O˘Keeffe, Y Ovcharenko, M Coreno, L Avaldi, V Feyer, ...
The Journal of chemical physics 133 (3), 034302, 2010
Sensitivity of nonlinear photoionization to resonance substructure in collective excitation
T Mazza, A Karamatskou, M Ilchen, S Bakhtiarzadeh, AJ Rafipoor, ...
Nature communications 6 (1), 1-6, 2015
Universal scaling of resonances in vector correlation photoionization parameters
AN Grum-Grzhimailo, S Fritzsche, P O'Keeffe, M Meyer
Journal of Physics B: Atomic, Molecular and Optical Physics 38 (14), 2545, 2005
Circular Polarization of Ion Fluorescence Completing the Analysis of Resonant Xe* Auger Decay
P O˘Keeffe, S Aloïse, M Meyer, AN Grum-Grzhimailo
Physical review letters 90 (2), 023002, 2003
NO Rotational Orientation Following 308 nm Photodissociation of
M Brouard, P O'Keeffe, DM Joseph, D Minayev
Physical review letters 86 (11), 2249, 2001
Investigation of halogenated pyrimidines by X-ray photoemission spectroscopy and theoretical DFT methods
P Bolognesi, G Mattioli, P O˘Keeffe, V Feyer, O Plekan, Y Ovcharenko, ...
The Journal of Physical Chemistry A 113 (48), 13593-13600, 2009
Re-analysis of the ultraviolet absorption spectrum of ozone
P O˘Keeffe, T Ridley, KP Lawley, RJ Donovan
The Journal of Chemical Physics 115 (20), 9311-9319, 2001
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