Report/Guide

Bass, G A; Thomas, R A S; Pearce, J A D (2008) A review of the calibration of parallel-plate electron ionisation chambers at NPL for use with the IPEM 2003 code of practice. NPL Report. IR 5

Palmans, H; Thomas, R A S; Shipley, D R; Kacperek, A* (2006) Light-ion beam dosimetry. NPL Report. DQL-RD 003

Nutbrown, R F; Duane, S; Shipley, D R; Thomas, R A S (2000) Evaluation of factors to convert absorbed dose calibrations in graphite to water for mega-voltage photon beams. NPL Report. CIRM 37

Article

Bass, G A; Shipley, D R; Flynn, S; Thomas, R A S (2023) A Prototype Low-cost Secondary Standard Calorimeter for Reference Dosimetry with Ultra-high Pulse Dose Rates. The British Journal of Radiology, 96 (1141). 20220638

Eaton, D J; Bass, G; Booker, P; Byrne, J; Duane, S; Frame, J; Grattan, M; Thomas, R A S; Thorp, N; Nisbet, A (2020) IPEM code of practice for high-energy photon therapy dosimetry based on the NPL absorbed dose calibration service. Physics in Medicine & Biology, 65 (19). 195006 ISSN 1361-6560

Dimitriadis, A; Tsang, Y; Thomas, R A S; Palmer, A L; Eaton, D; Lee, J; Patel, R; Silvestre Patallo, I; Gouldstone, C; Snaith, J A D; Kirkby, K J; Nisbet, A; Clark, C H (2020) Multi-institutional dosimetric delivery assessment of intracranial stereotactic radiosurgery on different treatment platforms. Radiotherapy and Oncology, 147. pp. 153-161. ISSN 01678140

Eaton, D J; Bass, G; Booker, P; Byrne, J; Duane, S; Frame, J; Grattan, M; Thomas, R A S; Thorp, N; Nisbet, A (2020) Corrigendum: IPEM code of practice for high-energy photon therapy dosimetry based on the NPL absorbed dose calibration service (2020 Phys. Med. Biol. 65 195006). Physics in Medicine & Biology, 65 (24). 249501 ISSN 0031-9155

Diez, P; Aird, E G A; Sander, T; Gouldstone, C A; Sharpe, P H G; Lee, C D; Lowe, C D; Thomas, R A S; Simnor, T; Bownes, P; Bidmead, M; Gandon, L; Eaton, D; Palmer, A L (2017) A multicentre audit of HDR/PDR brachytherapy absolute dosimetry in association with the INTERLACE trial [NCT015662405]. Physics in Medicine and Biology, 62 (23). pp. 8832-8849.

Dimitriadis, A; Palmer, A L*; Thomas, R A S; Nisbet, A*; Clark, C H (2017) Adaptation and validation of a commercial head phantom for cranial radiosurgery dosimetry end-to-end audit. Brit. J. Radiol., 90 (1074). 20170053

Lourenco, A*; Thomas, R A S; Bouchard, H; Kacperek, A*; Vondracek, V*; Royle, G*; Palmans, H (2016) Experimental and Monte Carlo studies of fluence corrections for graphite calorimetry in low- and high-energy clinical proton beams. Med. Phys., 43 (7). pp. 4122-4132.

Budgell, G*; Brown, K*; Cashmore, J*; Duane, S; Frame, J*; Hardy, M*; Paynter, D*; Thomas, R A S (2016) IPEM topical report 1: guidance on implementing flattening filter free (FFF) radiotherapy. Phys. Med. Biol., 61 (23). pp. 8360-8394.

Rossomme, S*; Hopfgartner, J*; Lee, N D*; Delor, A*; Thomas, R A S; Romano, F*; Fukumura, A*; Vynckier, S*; Palmans, H (2016) Ion recombination correction in carbon ion beams. Med. Phys., 43 (7). pp. 4198-4208.

Eaton, D J*; Thomas, R A S; Duane, S (2015) Multi-centre audit of absolute dose calibration for flattening filter-free photon beams. Biomed. Phys. Eng. Express, 1 (4). 047002

Clark, C H; Aird, E G A*; Bolton, S*; Miles, E A*; Nisbet, A*; Snaith, J A D; Thomas, R A S; Venables, K*; Thwaites, D I* (2015) Radiotherapy dosimetry audit: three decades of improving standards and accuracy in UK clinical practice and trials. Br. J. Radiol., 88 (1055). 20150251

Rossomme, S; Palmans, H; Thomas, R A S; Lee, N; Duane, S; Bailey, M; Shipley, D; Bertrand, D*; Romano, F*; Cirrone, P*; Cuttone, G*; Vynckier, S* (2014) Reference dosimetry for light-ion beams based on graphite calorimetry. Radiat. Prot. Dosim., 161 (1-4). pp. 92-95.

Rossomme, S; Palmans, H; Shipley, D; Thomas, R A S; Lee, N; Romano, F*; Cirrone, P*; Bertrand, D*; Vynckier, S* (2013) Conversion from dose-to-graphite to dose-to-water in an 80 MeV/A carbon ion beam. Phys. Med. Biol., 58 (16). pp. 3563-5380.

Palmans, H; Al-Sulaiti, L; Andreo, P*; Shipley, D; Luhr, A*; Bassler, N*; Martinkovic, J*; Dobrovodsky, J*; Rossomme, S*; Thomas, R A S; Kacperek, A* (2013) Fluence correction factors for graphite calorimetry in a low-energy clinical proton beam: I. Analytical and Monte Carlo simulations. Phys. Med. Biol., 58 (10). pp. 3481-3499.

Hussein, M*; Tsang, Y*; Thomas, R A S; Gouldstone, C; Maughan, D; Snaith, J A D; Bolton, S C*; Nisbet, A*; Clark, C H (2013) A methodology for dosimetry audit of rotational radiotherapy using a commercial detector array. Radiother. Oncol., 108 (1). pp. 78-85.

Rossomme, S*; Palmans, H; Thomas, R A S; Lee, N; Bailey, M; Shipley, D; Al-Sulaiti, L; Cirrone, P*; Romano, F*; Kacperek, A*; Bertrand, D* (2012) Reference dosimetry for protons and light-ion beams based on graphite calorimetry. Med. Phys., 39 (6). pp. 3736-3737.

Al-Sulaiti, L; Shipley, D; Thomas, R A S; Owen, P*; Kacperek, A*; Regan, P H*; Palmans, H (2012) Water equivalence of some plastic-water phantom materials for clinical proton beam dosimetry. Appl. Radiat. Isot., 70 (7). pp. 1052-1057.

Clark, C; Duane, S; Thomas, R A S (2011) IS19 dosimetric uncertainty in clinical practice. Clin. Oncol., 23 (3). S27.

Palmans, H; Thomas, R A S; Duane, S; Sterpin, E*; Vynckler, S* (2010) Ion recombination for ionization chamber dosimetry in a helical tomotherapy unit. Med. Phys., 37 (6). pp. 2876-2889.

Bass, G A; Thomas, R A S; Pearce, J A D (2009) The calibration of parallel-plate electron ionisation chambers at NPL for use with the IPEM 2003 Code of Practice: summary data. Phys. Med. Biol., 54 (8). N115-N124

Palmans, H; Thomas, R A S; Kacperek, A* (2006) Ion recombination correction in the Clatterbridge Centre of Oncology clinical proton beam. Phys. Med. Biol., 51. pp. 903-917.

Pearce, J; Thomas, R A S; DuSautoy, A R (2006) The characterization of the Advanced Markus ionization chamber for use in reference electron dosimetry in the UK. Phys. Med. Biol., 51 (3). pp. 473-483.

Palmans, H; Thomas, R A S; Simon, M; Duane, S; Kacperek, A*; DuSautoy, A R; Verhaegen, F* (2004) A small-body portable graphite calorimeter for dosimetry in low-energy clinical proton beams. Phys. Med. Biol., 49 (16). pp. 3737-3749.

Nutbrown, R F; Duane, S; Shipley, D R; Thomas, R A S (2002) Evaluation of factors to convert absorbed dose calibrations from graphite to water for the NPL high-energy photon calibration service. Phys. Med. Biol., 47 (3). pp. 441-454.

Nutbrown, R F; McEwen, M R; Thomas, R A S; Duane, S; Shipley, D R (2001) Comparison of conversion factors for x-ray beams from Philips SL15 and the NPL linear accelerator. Phys. Med. Biol., 46. N245-N252

Conference or Workshop Item

Palmans, H; Thomas, R A S; Duane, S; Kacperek, A*; Nutbrown, R F; DuSautoy, A R; Verhaegen, F* (2003) Feasibility of graphite and water calorimetry in low-energy clinical proton beams. In: Workshop on Recent Advances in Absorbed Dose Standards, 19-21 August 2003, Melbourne, Australia.

McEwen, M R; Duane, S; Thomas, R A S; Rosser, K E (2001) The role of the National Physical Laboratory in monitoring and improving dosimetry in UK radiotherapy. In: International Conference on Medical Physics, 2001.