Publications

Journal Articles

S. L. Sheehy et al., Characterization techniques for fixed-field alternating gradient accelerators and beam studies using the KURRI 150 MeV proton FFAG, accepted for publication, Prog. Theor. Exp. Phys. 7, 073G01, July 2016. ( ArXiv:1510.07459).

K. Moriya, …, S. L. Sheehy, et al., Experimental study of integer resonance crossing in a non-scaling fixed field alternating gradient accelerator with a Paul ion trap, Phys. Rev. ST-AB 18, 034001, March 2015.

S. Tygier, … , S. L. Sheehy, et al., The PyZgoubi framework and the simulation of dynamic aperture in fixed-field alternating-gradient accelerators, Nucl. Instrum. Meth. A, 775, pp. 15-26, 2014.

K. J. Peach, ... , S. L. Sheehy, et al., Conceptual design of a nonscaling fixed field alternating gradient accelerator for protons and carbon ions for charged particle therapy, Phys. Rev. ST-AB 16 (3) 030101, 2013.

A. Ahmad, S. L. Sheehy, G. T. Parks, The effect of beam interruptions on the integrity of ADSR fuel pin cladding: A thermo-mechanical analysis, Annals of Nuclear Energy 46, 97-105, 2012.

H. Witte, T. Yokoi, S. L. Sheehy, et al., The Advantages and Challenges of Helical Coils for Small Accelerators - A Case Study, IEEE Transactions on Applied Superconductivity, 22 (2), 2100110, April 2012

S. Machida, ..., S. L. Sheehy, et al., Acceleration in the linear non-scaling fixed field alternating gradient accelerator EMMA, Nature Physics 8, 243-247, January 2012.

S. L. Sheehy, D. J. Kelliher, Effects of alignment errors in proton non-scaling FFAGs, Int. J. Mod. Phys. A, Vol. 26, No.10n11, 2011.

S. L. Sheehy, K. J. Peach, H. Witte, D. J. Kelliher, S. Machida, Fixed field alternating gradient accelerator with small orbit shift and tune excursion, Phys. Rev. ST-AB 13, 040101, 2010

R. Barlow, ..., S. L. Sheehy, et al., EMMA - the world’s first non-scaling FFAG, Nucl. Instrum. Meth. A, 624 (1) 1-19, 2010.

M. Dasgupta, D. J. Hinde, S. L. Sheehy, and B. Bouriquet, Suppression of fusion by breakup: Resolving the discrepancy between the reactions of 9Be with 208Pb and 209Bi, Phys. Rev. C 81, 024608, 2010.

Conference Proceedings

2016

S. L. Sheehy, D. J. Kelliher, S. Machida, C. Plostinar, C. Prior, Overview of the Design of the IBEX Linear Paul Trap, Busan, Korea.

C. Plostinar, C. Prior, G. H. Rees, I. Konoplev, A. Seryi, S. L. Sheehy, M. Boenig, A. Geisler, O. Heid, Studies of Ultimate Intensity Limits for High Power Proton Linacs, , Busan, Korea.

2015

S. L. Sheehy et al., Progress on Simulation of Fixed Field Alternating Gradient Accelerators, in Proceedings of IPAC'15, Richmond, Virginia, USA.

D. J. Kelliher, S. L. Sheehy et al., Plans for a Linear Paul Trap at Rutherford Appleton Laboratory, in Proceedings of IPAC'15, Richmond, Virginia, USA.

S. S. Gilardoni, M. Giovannozzi, A. Huschauer, S. Machida, C. R. Prior, S. L. Sheehy, Fixed Points in Presence of Space Charge in Circular Particle Accelerators, in Proceedings of IPAC'15, Richmond, Virginia, USA.

2014

S. L. Sheehy, D. J. Kelliher, S. Machida, C. Rogers, C. R. Prior, Characterisation of the KURRI 150 MeV FFAG and Plans for High Intensity Experiments, in Proceedings of HB2014, MOPAB27, Michigan, IL, 2014.

D. J. Kelliher, S. Machida, C. Rl. Prior, S. L. Sheehy, Study of beam dynamics in linear Paul traps, in Proceedings of HB2014, MOPAB39, Michigan, IL, 2014.

D. J. Kelliher, S. Machida, C.R. Prior, S. L. Sheehy, K. Fukushima, K. Ito, K. Moriya, H. Okamoto, T. Okano, Study of Resonance Crossing in Non-scaling FFAGs using the S-POD Linear Paul Trap, In Proc. International Particle Accelerator Conference 2014, pp. 1571, Dresden, Germany, 2014.

2013

S. L. Sheehy et al., Experimental studies of resonance crossing in linear non-scaling FFAGs with the S-POD plasma trap, in Proceedings of the International Particle Accelerator Conference, Shanghai, pp.2675, May 2013.

S. L. Sheehy et al., The potential for a high power FFAG proton driver for ADS, in Proceedings of the 11th International Topical Meeting on Nuclear Applications of Accelerators, AccApp 2013, pp.261-265, 2013.

R. J. Barlow, ..., S. L. Sheehy, PIP: A low energy recycling non-scaling FFAG for security and medicine, in Proceedings of the International Particle Accelerator Conference, Shanghai, pp. 3711, May 2013.

C. T. Rogers, S.L. Sheehy, C. Gabor, D.J. Kelliher, S. Machida, C.R. Prior, Y. Ishi, J-B. Lagrange, Y. Mori, T. Uesugi, High Intensity Beam Studies using the KURRI FFAGs, in Proceedings of Cyclotrons2013, Vancouver, BC, Canada, 2013.

2012

S. L. Sheehy, Simulation of intense proton beams in novel isochronous FFAG designs, in Proceedings of HB2012 ( MOP258 ), Beijing, September 2012.

S. L. Sheehy and C. Johnstone, A 1 GeV CW FFAG high intensity proton driver, in Proceedings of the International Particle Accelerator Conference, New Orleans, pp. 3234, May 2012.

D. J. Kelliher, S. Machida, S. L. Sheehy et al, Orbit correction in the EMMA non-scaling FFAG simulation and experimental results, in Proceedings of the International Particle Accelerator Conference, pp. 1455, New Orleans, May 2012.

G. H. Rees, ..., S. L. Sheehy et al., A model for a high-power scaling FFAG ring, in Proceedings of the International Particle Accelerator Conference, pp. 409, New Orleans, May 2012.

2011

S. L. Sheehy, Dynamics of a novel isochronous non-scaling FFAG, in Proceedings of the International Particle Accelerator Conference, pp. 2712, San Sebastian, September 2011.

S. L. Sheehy, Space charge studies of a 1 GeV isochronous non-scaling FFAG proton driver, in Proceedings of the International Particle Accelerator Conference, pp. 2715, San Sebastian, September 2011.

2010

S. L. Sheehy, The EMMA accelerator and implications for hadron non-scaling FFAGs,in Proceedings of HB2010, 2010.

S. L. Sheehy, Ken Peach, Holger Witte, Takeichiro Yokoi, David Kelliher, Shinji Machida, PAMELA: Lattice Solution for a Medical C6+ Therapy Facility, in Proceedings of the International Particle Accelerator Conference, MOPEA022, Kyoto, May 2010.

S. L. Sheehy, Engaging Schools and the Public with Accelerator Physics, in Proceedings of the International Particle Accelerator Conference, MOPEA023, Kyoto, May 2010.

T. R. Edgecock, J. S. Berg, ... , S. L. Sheehy et al., The EMMA Non-scaling FFAG, in Proceedings of the International Particle Accelerator Conference, THPEC090, Kyoto, May 2010.

D. Kelliher, S. Machida, S. L. Sheehy, >Error study of a novel non-linear, non-scaling FFAG, in Proceedings of the International Particle Accelerator Conference,, Kyoto, May 2010.

D. J. Kelliher, S. Machida, S. L. Sheehy, Orbit correction in a non-scaling FFAG, in Proceedings of the International Particle Accelerator Conference, THPD027, Kyoto, May 2010.

K. Peach, J. Cobb, S. L. Sheehy, H. Witte, T. Yokoi et al., PAMELA Overview and Status, in Proceedings of the International Particle Accelerator Conference, MOPEA021, Kyoto, May 2010.

2009

S. L. Sheehy et al., PAMELA Lattice Design and Performance Particle Accelerator Conference, FR5PFP001, Vancouver, May 2009.

K. Peach, S. L. Sheehy et al., PAMELA Overview: Design Goals and Principles, Particle Accelerator Conference, TH4GAC03, Vancouver, May 2009.

H. Witte, S. L. Sheehy, T. Yokoi, J. Cobb, K. Peach, PAMELA Magnets - Design and Performance, Particle Accelerator Conference, MO6PFP073, Vancouver, May 2009.

K. Peach, S. L. Sheehy, T. Yokoi et al., PAMELA: Development of the RF system for a non-relativistic non-scaling FFAG, Particle Accelerator Conference, WE5PFP011, Vancouver, May 2009

2008

T. Yokoi, J.Cobb, K.Peach, S. L. Sheehy, Beam acceleration studies of proton NS-FFAG, European Particle Accelerator conference, THPP011, pp. 3398, Genoa, June 2008.

Other

S. L. Sheehy, Design of a non-scaling fixed field alternating gradient accelerator for charged particle therapy, DPhil Thesis, University of Oxford, November 2010. (link to download)

S. L. Sheehy, Orbit and optics distortion in PAMELA, First year DPhil report, University of Oxford, June 2008.