Search Results - "Swann, R A"

Positron Binding and Annihilation in Alkane Molecules by Swann, A. R., Gribakin, G. F.

“…A model-potential approach has been developed to study positron interactions with molecules. Binding energies and annihilation rates are calculated for…”
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Many-Body Theory for Positronium-Atom Interactions by Green, D G, Swann, A R, Gribakin, G F

“…A many-body-theory approach has been developed to study positronium-atom interactions. As first applications, we calculate the elastic scattering and…”
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Vibrational Feshbach Resonances Mediated by Nondipole Positron-Molecule Interactions by Natisin, M R, Danielson, J R, Gribakin, G F, Swann, A R, Surko, C M

“…Measurements of energy-resolved positron-molecule annihilation show the existence of positron binding and vibrational Feshbach resonances. The existing theory…”
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Can urine dipstick testing for urinary tract infection at point of care reduce laboratory workload? by Patel, H D, Livsey, S A, Swann, R A, Bukhari, S S

“…Aim: The University Hospitals of Leicester NHS Trust microbiology laboratory receives 150 000 urine samples each year, approximately 80% of which prove to be…”
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Infection of surgical wounds in the maxillofacial region and free flap donor sites with methicillin-resistant Staphylococcus aureus by Avery, C.M.E., Ameerally, P., Castling, B., Swann, R.A.

“…We studied the acquisition of methicillin-resistant Staphylococcus aureus (MRSA) in two groups of patients who had free flap reconstructions of defects after…”
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Vancomycin-dependent Enterococcus by Swann, R.A, Bhattacharya, S

“…{Figure 1} The second case was a 39-year-old man who developed acute respiratory distress syndrome, renal failure and lung abscess, following diesel aspiration…”
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Endotoxaemia and serum tumour necrosis factor as prognostic markers in severe acute pancreatitis by Exley, A R, Leese, T, Holliday, M P, Swann, R A, Cohen, J

“…Endotoxaemia and circulating tumour necrosis factor are important prognostic factors in severe sepsis and are implicated in the pathogenesis of septic shock…”
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The acquisition of methicillin-resistant Staphylococcus aureus (MRSA) in vascular patients by Scriven, J.M., Silva, P., Swann, R.A., Thompson, M.M., Naylor, A.R., Bell, P.R.F., London, N.J.M.

“…Objective: the aim of this study was to establish at which point during a hospital admission MRSA acquisition occurs in vascular patients. Method: a…”
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Maxwellianization of Positrons Cooling in CF 4 and N 2 Gases by Swann, A. R., Green, D. G.

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Gentamicin concentration and toxicity by Modi, N, Maggs, AF, Clarke, C, Chapman, C, Swann, RA

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Effect of molecular constitution and conformation on positron binding and annihilation in alkanes by Swann, A. R, Gribakin, G. F

“…J. Chem. Phys. 153, 184311 (2020) The model-potential approach previously developed by the authors to study positron interactions with molecules is used to…”
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Many-body theory for positronium scattering and pickoff annihilation in noble-gas atoms by Swann, A. R, Green, D. G, Gribakin, G. F

“…Phys. Rev. A 107, 042802 (2023) The many-body-theory approach to positronium-atom interactions developed in [Phys. Rev. Lett. \textbf{120}, 183402 (2018)] is…”
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Near patient testing for Helicobacter pylori: a detailed evaluation of the Cortecs Helisal Rapid Blood test by Stone, M A, Mayberry, J F, Wicks, A C, Livsey, S A, Stevens, M, Swann, R A, Robinson, R J

“…To evaluate the Cortecs Helisal Rapid Blood test for accuracy overall and in specific subgroups by age and ethnic origin. Additionally, to assess readability…”
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Model-potential calculations of positron binding, scattering, and annihilation for atoms and small molecules, using a Gaussian basis by Swann, A. R, Gribakin, G. F

“…Phys. Rev. A 101, 022702 (2020) A model-potential method is employed to calculate binding, elastic scattering, and annihilation of positrons for a number of…”
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Positron Binding and Annihilation in Alkane Molecules by Swann, A. R, Gribakin, G. F

“…Phys. Rev. Lett. 123, 113402 (2019) A model-potential approach has been developed to study positron interactions with molecules. Binding energies and…”
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Calculations of positron binding and annihilation in polyatomic molecules by Swann, A. R, Gribakin, G. F

“…J. Chem. Phys. 149, 224305 (2018) A model-potential approach to calculating positron-molecule binding energies and annihilation rates is developed. Unlike…”
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Effect of chlorination on positron binding to hydrocarbons: experiment and theory by Swann, A. R, Gribakin, G. F, Danielson, J. R, Ghosh, S, Natisin, M. R, Surko, C. M

“…Phys. Rev. A 104, 012813 (2021) Measured and calculated positron binding energies are presented for a range of hydrocarbons with up to six carbon atoms (viz.,…”
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Maxwellianization of Positrons Cooling in CF_{4} and N_{2} Gases by Swann, A R, Green, D G

“…Positron cooling in CF_{4} and N_{2} gases via inelastic vibrational and rotational (de)excitations is simulated, importantly including elastic…”
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Infective endocarditis caused by Kingella denitrificans by Swann, R A, Holmes, B

“…The clinical and bacteriological findings in a case of infective endocarditis caused by Kingella denitrificans are presented. This appears to be only the…”
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Calculations of positronium-atom scattering using a spherical cavity by Swann, A. R, Gribakin, G. F

“…Phys. Rev. A 97, 012706 (2018) Positronium (Ps) scattering by noble-gas atoms (He, Ne, Ar, Kr, and Xe) is studied in the frozen-target approximation and with…”
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