J. Keightley

发表

S. Pommé, R. Fitzgerald, J. Keightley, 2015 .

Digital coincidence counting – initial results

David R. Smith, John Keightley, David R. Smith, 2000 .

Recent advances in digital coincidence counting for Radionuclide Metrology

S. Loreti, J. Keightley, M. Roteta, 2013, 2013 3rd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA).

Determination of a reference value and its uncertainty through a power-moderated mean

S. Pommé, J. Keightley, 2015 .

Update of the BIPM.RI(II)-K1.Tc-99m comparison of activity measurements for the radionuclide 99mTc to include new results for the LNE–LNHB and the NPL

J. Keightley, G. Ratel, C. Michotte, 2010 .

Update of the ongoing comparison BIPM.RI(II)-K1.Co-60 including activity measurements of the radionuclide 60Co for the NMIJ, Japan and the IRMM (Geel)

J. Keightley, Y. Hino, G. Ratel, 2006 .

Evidence against solar influence on nuclear decay constants

M. Bruggeman, B.R.S. Simpson, M. Marouli, 2016, Physics letters. [Part B].

On decay constants and orbital distance to the Sun—part I: alpha decay

F. Bochud, P. Felice, M. Hult, 2017 .

On decay constants and orbital distance to the Sun—part II: beta minus decay

F. Bochud, P. Felice, M. Hult, 2017 .

On decay constants and orbital distance to the Sun—part III: beta plus and electron capture decay

F. Bochud, P. Felice, M. Hult, 2017 .

Practical implementation of uncertainty analysis in radionuclide metrology

L. Karam, J. Keightley, J. M. Arcos, 2015 .

Uncertainties in 4πβ–γ coincidence counting

C. Bailat, R. Fitzgerald, J. Keightley, 2015 .

A novel method for the activity measurement of large-area beta reference sources.

P. Felice, J. Keightley, P. De Felice, 2016, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Precise measurements of the absolute γ-ray emission probabilities of (223)Ra and decay progeny in equilibrium.

J. Keightley, P. Regan, S. Collins, 2015, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Results of an international comparison of activity measurements of 68Ge.

P. Cassette, L. Laureano-Pérez, F. Juget, 2017, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

EC intercomparisons for laboratories monitoring environmental radioactivity.

M. Hult, Z. Szántó, J. Keightley, 2006, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Proposal to the ISOLDE and Neutron Time-of-Flight Committee Towards reliable production of 225 Ac for medical applications : Systematic analysis of the production of Fr , Ra and Ac beams

B. Marsh, T. Stora, F. Bruchertseifer, 2017 .

Standardisation of 223Ra by liquid scintillation counting techniques and comparison with secondary measurements.

A. Fenwick, J. Keightley, L. Johansson, 2015, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Absolute intensities of the γ-ray emissions originating from the electron capture decay of 153Gd

R. Shearman, J. Keightley, S. Collins, 2017 .

Ra-224 activity, half-life, and 241 keV gamma ray absolute emission intensity: A NIST-NPL bilateral comparison.

B. Zimmerman, R. Fitzgerald, J. Keightley, 2020, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Standardization, decay data measurements and evaluation of 64Cu.

P. Cassette, J. Keightley, G. Ratel, 2012, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Measuring radioactive half-lives via statistical sampling in practice

G. W. Hitt, G. Lorusso, J. Keightley, 2017 .

Development of the NPL gamma-ray spectrometer NANA for traceable nuclear decay and structure studies.

P Ivanov, S M Jerome, Z. Podolyák, 2016, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Metrology for New Generation Nuclear Power Plants–MetroFission

Alan Dinsdale, John Keightley, Lena Johansson, 2013, IEEE Transactions on Nuclear Science.

List-mode data acquisition based on digital electronics - State-of-the-art report

Kari Peräjärvi, J Keightley, Paepen Jan, 2014 .

Is decay constant?

S. Pommé, J. Keightley, H. Stroh, 2017, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Determination of the gamma emission intensities of ¹¹¹Ag.

J. Keightley, S. Collins, C. Gilligan, 2014, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Progress towards the production of the 236gNp standard sources and competing fission fragment production

J. Keightley, P. Regan, P. Ivanov, 2015 .

Activity measurements and determination of nuclear decay data of 166Ho in the MRTDosimetry project.

A. Fenwick, J. Keightley, C. Thiam, 2019, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Digital coincidence counting (DCC) and its use in the corrections for out-of-channel gamma events in 4πβ–γ coincidence counting

John Keightley, J. Keightley, G. Watt, 2002 .

Development of NANA: A Fast-Scintillator, Coincidence Gamma-ray Array for Radioactive Source Characterisation and Absolute Activity Measurements at the UK National Physical Laboratory

Simon Jerome, John Keightley, A. K. Pearce, 2015 .

Direct measurement of the half-life of (223)Ra.

A. Fenwick, J. Keightley, P. Regan, 2015, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Half-life determination and comparison of activity standards of 231Pa.

P. Cassette, S. Pommé, J. Keightley, 2019, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Radionuclide metrology for new generation nuclear power plants.

P. Cassette, J. Keightley, L. Johansson, 2011 .

Standardisation of 231Pa by defined solid angle and liquid scintillation methods at NPL.

J. Keightley, A. Arinc, 2020, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

The potential radio-immunotherapeutic α-emitter 227Th - part I: Standardisation via primary liquid scintillation techniques and decay progeny ingrowth measurements.

A. Fenwick, J. Keightley, P. Ivanov, 2019, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Intercomparison of 131I solution and capsule sources in UK hospitals, 1999.

John Keightley, M. J. Woods, M Ciocanel, 1999 .

Preparation and calibration of a 231Pa reference material

L. Laureano-Pérez, R. Fitzgerald, J. Keightley, 2019, Journal of Radioanalytical and Nuclear Chemistry.

Migration to new ampoule types for the NPL secondary standard ionisation chambers.

A. Fenwick, J. Keightley, L. Johansson, 2014, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Comparison of ⁹⁰Y and ¹⁷⁷Lu measurement capability in UK and European hospitals.

John Keightley, Michaela Baker, Andrew Fenwick, 2014, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Environmental radioactivity intercomparison exercise, 1998.

M. Ciocanel, M. Carter, J. Keightley, 1997 .

Standardization of 153Sm

J. Keightley, M. Woods, N. Bowles, 1998 .

Final report of the new BIPM comparison BIPM.RI(II)-K1.Ra-223 of activity measurements of the radionuclide 223Ra including the 2014 result of the NPL (United Kingdom), the 2014 result of the PTB (Germany) and the 2018 result of the LNE-LNHB (France)

P. Cassette, J. Keightley, G. Ratel, 2021 .

The first official measurement of 11C in the SIRTI.

A. Fenwick, J. Keightley, R. Galea, 2019, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

The potential radio-immunotherapeutic α-emitter 227Th - part II: Absolute γ-ray emission intensities from the excited levels of 223Ra.

A. Fenwick, J. Keightley, P. Ivanov, 2019, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.

Digital coincidence counting for radionuclide standardization

John Keightley, Tae Soon Park, J. Keightley, 2007 .

Modeling the transmission of beta rays through thin foils in planar geometry.

J. Keightley, D. Stanga, E. Ionescu, 2016, Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.