Report/Guide

Rosser, K E; Williams, A J (1999) Comparison of the NPL water calorimeter with other dosimetric techniques for high energy photon beams. NPL Report. CIRM 23

Williams, A J; Rosser, K E (1998) A status report on the NPL water calorimeter. NPL Report. CIRM 22

McEwen, M R; Williams, A J; DuSautoy, A R (1998) Trial calibrations of therapy level electron beam ionisation chambers in terms of absorbed dose to water. NPL Report. CIRM 20

Williams, A J; McEwen, M R; DuSautoy, A R (1998) A calculation of the water to graphite perturbation factor ratios for the NCAP type 02 ionisation chamber using Monte Carlo techniques. NPL Report. CIRM 13

Williams, A J; McEwen, M R; Burns, D T (1998) A new beam current monitor for the NPL linear accelerator facilty. NPL Report. CIRM 12

McEwen, M R; Williams, A J (1996) Measurement of electron depth-dose distribution in water and determination of Linac beam energy. NPL Report. CIRA(EXT)011

Williams, A J; Burns, D T; McEwen, M R (1993) Measurement of the specific heat capacity of the electron-beam grahite calorimeter. NPL Report. RSA(EXT) 40

McEwen, M R; Burns, D T; Williams, A J (1993) The use of thermistors in the NPL electron-beam calorimeter. NPL Report. RSA(EXT)41

Article

McEwen, M R; Williams, A J; DuSautoy, A R (2001) Determination of absorbed dose calibration factors for therapy level electron beam ionization chambers. Phys. Med. Biol., 46 (3). pp. 741-755.

Williams, A J; Kleinschmidt, P (1999) A cryogenic current comparator bridge for resistance measurements at currents of up to 100 A. IEEE Trans. Instrum. Meas., 48 (2). pp. 375-8.

McEwen, M R; DuSautoy, A R; Williams, A J (1998) The calibration of therapy level electron beam ionization chambers in terms of absorbed dose to water. Phys. Med. Biol., 43 (9). pp. 2503-2519.

Burns, D T; McEwen, M R; Williams, A J (1994) An NPL absorbed-dose calibration service for electron-beam radiotherapy. IAEA Publication STI/PUB/930. 61 - 71

Burns, D T; McEwen, M R; Williams, A J (1994) The NPL standard of absorbed dose to water for electron-beam radiotherapy. Phys. Med. Biol., 39a (Octobe). 796 (abstract only)

Conference or Workshop Item

Williams, A J; Rosser, K E; Thomson, N J; DuSautoy, A R (2000) Recent advances in water calorimetry at NPL. In: World Congress Medical Physics 2000, 2000.

Williams, A J; McEwen, M R; DuSautoy, A R (1999) Radiation measurement and research for space applications at the National Physical Laboratory. In: Space Radiation Environment Workshop, 1999, DERA.

Williams, A J; McEwen, M R; DuSautoy, A R (1998) Radiation testing for space applications at the National Physical Laboratory. In: 1998 IEEE Radiation Effects Data Workshop. NSREC 98., 24 July 1998, Newport Beach, CA, USA.

McEwen, M R; Burns, D T; Williams, A J (1994) Progress on the NPL graphite calorimeter for electron beam radiotherapy. In: NPL Calorimetry Workshop, 12 - 14 October 1994, National Physical Laboratory, Teddington, UK.