Dr Joshua Machacek

Position Research Fellow
Department Plasma Research Laboratory
Office phone (02) 612 56151
Email
Office Cockcroft 5 08

Publications

Journal article

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Near-Threshold Ionization of Argon by Positron Impact
Physical Review Letters 120, 11() 1-4
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Positron scattering from pyridine
Journal of Chemical Physics 148, 14() 7
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Effect of positron-alkali metal atom interactions in the diffuse interstellar medium
Physical Review D 98, 2() 1-7
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Partial wave analysis for folded differential cross sections
Journal of Physics B: Atomic, Molecular and Optical Physics 51, 6() 7
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A new technique for measuring positron impact direct ionisation
European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics 71, 328() 5
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Low-energy elastic and inelastic scattering of positrons from argon
Physical Review A - Atomic, Molecular, and Optical Physics 93, 2() 022712 6
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Regularities in positronium formation for atoms and molecules
Journal of Physics B: Atomic, Molecular and Optical Physics 49, 6() 064003
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Scattering data for modelling positron tracks in gaseous and liquid water
Journal of Physics B: Atomic, Molecular and Optical Physics 49, 14() 145001 10
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Positron interactions with water-total elastic, total inelastic, and elastic differential cross section measurements
Journal of Chemical Physics 140, 4() 1-9
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SIZE DISTRIBUTION OF POSSIBLE DUST CARRIERS FOR THE EXTENDED RED EMISSION
The Astrophysical Journal 790, 2() 1-5
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Measurement and calculation of absolute single- and double-charge-exchange cross sections for O6+ ions at 1.17 and 2.33 keV/u impacting He and H-2
Physical Review A: Atomic, Molecular and Optical Physics 90, 5() 052708
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Low energy positron interactions with uracil-Total scattering, positronium formation, and differential elastic scattering cross sections
The Journal of Chemical Physics 141, 3() 34306-34306
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Manipulation of the magnetron orbit of a positron cloud in a Penning trap
Physics of Plasmas 20, 1() 1-5
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Positron scattering from pyrimidine
Physical Review A: Atomic, Molecular and Optical Physics 88, 1() 7
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Experimental and theoretical cross sections for positron collisions with 3-hydroxy-tetrahydrofuran
Journal of Chemical Physics 138, 7() 1-11
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Positron scattering from molecular hydrogen
Physical Review A: Atomic, Molecular and Optical Physics 88, 4() 1-8
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Total, elastic, and inelastic cross sections for positron and electron collisions with tetrahydrofuran
Journal of Chemical Physics 138, 7() 1-15
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"Comment on "Semiempirical potentials for positron scattering by atoms""
Physical Review A: Atomic, Molecular and Optical Physics 85, 3() 036702,1-3
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Orientation of doubly excited states in N-2
Physical Review A: Atomic, Molecular and Optical Physics 86, 4() 041401R 5
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Search for positron quasibound states in the doubly excited region of the helium atom
Physical Review A: Atomic, Molecular and Optical Physics 86, 6() 3
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Low-energy positron interactions with krypton
Physical Review A: Atomic, Molecular and Optical Physics 83, 3() 12
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Forward angle scattering effects in the measurement of total cross sections for positron scattering
Journal of Physics B: Atomic, Molecular and Optical Physics 44, 3() 5
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Low-energy positron interactions with xenon
New Journal of Physics 13, 125004() 19
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Production of excited atomic hydrogen and deuterium from H-2, HD and D-2 photodissociation
Journal of Physics B: Atomic, Molecular and Optical Physics 44, 4() 7
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Positron scattering from neon and argon
Physical Review A: Atomic, Molecular and Optical Physics 83, 3()
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Detecting an extended light source through a lens
European Journal of Physics 32, 4() 1107-1116
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Observation of Threshold Effects in Positron Scattering from the Noble Gases
Physical Review Letters 105, 7() 4
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Production of excited atomic hydrogen and deuterium from H2 and D2 photodissociation
Journal of Physics B: Atomic, Molecular and Optical Physics 39, 23() 4871-4882
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Angular momentum partitioning in the dissociation of diatomic molecules
AIP Conference Proceedings 811() 108-113

(32 publications)

Conference paper

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Measurements and Theoretical Predictions of Charge Exchange Cross Sections and Emission Spectra for O6+ with H2O, CO, CO2, CH4, N2, NO, N2O and Ar
International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2015 ?, ?()
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Low-energy positron and electron scattering from tetrahydrofuran and 3-hydroxy-tetrahydrofuran
28th International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2013 488, SECTION 7() 1
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Low energy positron scattering from krypton and xenon
International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC 2011) 388, PART 7() 1
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Electron and positron scattering from pyrimidine
International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC 2011) 388, PART 5()
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Trends in positron scattering from biomolecules
International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC 2011) 388, PART 7()
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A search for Wigner cusps and resonances in positron scattering by atoms and molecules
International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC 2011) 388, PART 7() 1
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Low energy positron interactions with rare gas atoms: threshold features and benchmark cross sections
International Workshop on Slow Positron Beam Techniques 2010 - SLOPOS12 262, 1()

(7 publications)

Journal short contribution

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Positron scattering from Biomolecules
Journal of Physics: Conference Series (Print) 635()

(1 publications)

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