Selected Publications

  1. P.H. Adrian et al., Searching for Prompt and Long-Lived Dark Photons in Electro-Produced e+e− Pairs with the Heavy Photon Search Experiment at JLab, arXiv:2212.10629.
  2. George Dedes et al., Comparative accuracy and resolution assessment of two prototype proton computed tomography scanners, Med. Phys. 49 (2022) 4671.
  3. Dedes, G., et al, The role of Monte Carlo simulation in understanding the performance of proton computed tomography, Zeitschrift fur Med. Phys. 32, 23-38.
  4. Lennart Volz, et al., The accuracy of helium ion CT base particle therapy range prediction: an experimental study comparing different particle and x-ray CT modalities, Phys. Med. Bio. 66, 235010.
  5. Jannis Dickmann et al., An empirical artifact correction for proton computed tomography, Physica Medica 86 (2021) p. 57.
  6. Blake Schultze et al, Particle-Tracking Proton Computed Tomography - Data Acquisition, Preprocessing, and Preconditioning, IEEE Access Jan. 2021.
  7. Sarah Mechbal et al., Measurement of Low-Energy Cosmic-Ray Electron and Positron Spectra at 1 au with the AESOP-Lite Spectrometer, ApJ 903 (2020) 21, arXiv:2009.03437 
  8. V. Fadeyev et al., Design and performance of silicon strip sensors with slim edges for HPS experiment, Nucl. Instr. Meth. A 969 (2020) 163991, https://www.sciencedirect.com/science/article/pii/S0168900220304502.
  9. J. Dickmann, S. Rit, M. Pankuch, R.P. Johnson, R.W. Schulte, K. Parodi, G. Dedes, G. Landry, An optimization algorithm for dose reduction with fluence-modulated proton CT, Med. Phys. 47 (2020) 1895, http://dx.doi.org/10.1002/mp.14084.
  10. G. Dedes, J Dickmann, K Niepel, P Wesp, R P Johnson, M Pankuch, V Bashkirov, S Rit, L Volz, R W Schulte, Experimental comparison of proton CT and dual energy X-ray CT for relative stopping power estimation in proton therapy, Phys. Med. Biol. 64 (2019) 165002.
  11. L. Voltz, P Piersimoni, R P Johnson, V Bashkirov, R W Schulte, J Seco, Improving single-event proton CT by removing nuclear interaction events within the energy/range detector, Phys. Med. Biol. 64 (2019) 15NT01. 
  12. J. Dickmann, P Wesp, M Radler, S Rit, M Pankuch, R P Johnson, V Bashkirov, R W Schulte, K Parodi, G Landry, G Dedes, Prediction of image noise contributions in proton computed tomography and comparison to measurements, Phys. Med. Biol. 64 (2019) 145016.
  13. A. Mulski et al., Operation and performance of a microhexcavity pixel detector in gas discharge and avalanche mode, Nucl. Instr. Meth. A 954 (2018) 161231.
  14. Lennart Volz et al., The impact of secondary fragments on the image quality of helium ion imaging, Phy. Med. Biol. 63 (2018), https://doi.org/10.1088/1361-6560/aadf25.
  15. C. Oancea et al., Comparison of x-ray CT and proton based CT planning in the presence of titanium dental implants, Radiotherapy and Oncology 127 Suppl. 1 (2018) S470-S471,
  16. George Dedes, Robert P. Johnson, Mark Pankuch, Nick Detrich, Willemijn M. A. Pols, Simon Rit, Reinhard W. Schulte, Katia Parodi, Guillaume Landry, Experimental fluence modulated proton computed tomography by pencil beam scanning, Medical Physics, https://doi.org/10.1002/mp.12989.
  17. R.P. Johnson, Review of Medical Radiography and Tomography with Proton Beams, Rep. Prog. Phys. 81, 016701.
  18. Lennart Volz et al., Stopping Power accuracy and achievable spatial resolution of helium ion imaging using a prototype particle CT detector system, Current Directions in Biomedical Engineering 3-2 (2017) https://doi.org/10.1515/cdbme-2017-0084.
  19. R.P. Johnson et al., Results from a Prototype Proton-CT Head Scanner, ScienceDirect: Physics Procedia 90 (2017) 209-214
  20. T.E. Plautz et al., An Evaluation of Spatial Resolution of a Prototype Proton CT Scanner, Med. Phys. 43, 6291.
  21. H.F.-W Sadrozinski, et al., Operation of the preclinical head scanner for proton CT, Nucl. Instr. Meth. A (2016), http://dx.doi.org/10.1016/j.nima.2016.02.001
  22. R.P. Johnson, et al., A Fast Experimental Scanner for Proton CT: Technical Performance and First Experience with Phantom Scans, IEEE Trans. Nucl. Sci. 63-1 (2015). http://dx.doi.org/10.1109/TNS.2015.2491918
  23. V.A. Bashkirov, R.P. Johnson, H F.-W. Sadrozinski, R.W. Schulte, Development of Proton Computed Tomography for Applications in Hadron Therapy, NIM Advances in Detectors and Applications for Medicine vol. 809, p. 120, Feb. 2016. http://dx.doi.org/10.1016/j.nima.2015.07.066
  24. V.A. Bashkirov, R.P. Johnson, et al., Novel Scintillation Detector Design and Performance for Proton Radiography and Computed Tomography, Med. Phys. 43, 664 (2016). http://dx.doi.org/10.1118/1.4939255
  25. M. Ackermann et al., Updated Search for Spectral Lines from Galactic Dark Matter Interactions with Pass-8 Data from the Fermi Large Area Telescope, Phys. Rev. D. 91, DOI 10.1103/PhysRevD.91.122002.
  26. T. Plautz et al., 200 MeV Proton Radiography Studies with a Hand Phantom Using a Prototype Proton CT Scanner, IEEE Trans. Med. Imaging 33, 875-881, 2014.
  27. R. Johnson, Joel DeWitt, Cole Holcomb, Scott Macafee, Hartmut F.-W. Sadrozinski, David Steinberg, Tracker Readout ASIC for Proton Computed Tomography Data Acquisition, IEEE Trans. Nucl. Sci. 60, 3262-3269, 2013.
  28. M. Ackermann et al. Search for Dark Matter Satellites using Fermi-LAT, ApJ 747 (2012) 121.
  29. M. Dormody, R.P. Johnson et al., Sensitivity of Blind Pulsar Searches with the Fermi-LAT, ApJ 742 (2011) 126, doi:10.1088/0004-637X/742/2/126.
  30. M. Ackermann et al., Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope, Phys. Rev. Lett. 107 (2011) 241302.
  31. T.A. Porter, R.P. Johnson, P.W. Graham, Dark Matter Searches with Astroparticle Data, arXiv:1104.2836v1, Annual Reviews of Astronomy and Astrophysics 49 (2011) 156.
  32. AA. Abdo et al., The First Fermi Large Area Telescope Catalog of Gamma-ray Pulsars, ApJS, 187 (2010) 460, doi: 10.1088/0067-0049/187/2/460.
  33. P.M. Saz Parkinson, M. Dormody, M. Ziegler et al., Eight Gamma-Ray Pulsars Discovered in Blind Frequency Searches of Fermi-LAT Data, Ap.J. 725 (2010) 571, arXiv:1006.2134v1.
  34. Brandon Anderson, Michael Kuhlen, Robert Johnson, Piero Madau, Juerg Diemand, Fermi-LAT Sensitivity to Dark Matter Annihilation in Via Lactea II Substructure, Ap.J. 718 (2010) 899, arXiv:1006.1628v1.
  35. A.A. Abdo et al., Fermi LAT Search for Photon Lines from 30 to 200 GeV and Dark Matter Implications, Phys. Rev. Lett. 104 (2010) 091302, ArXiv:1001.4836.
  36. A.A. Abdo et al., Fermi Large Area Telescope First Source Catalog, Ap.J. Supp. 188 (2010) 405.
  37. A.A. Abdo et al., Observations of Milky Way Dwarf Spheroidal galaxies with the Fermi-LAT detector and constraints on Dark Matter models, Ap.J. 712 (2010) 147.
  38. A.A. Abdo et al., Fermi Large Area Telescope Observations of PSR J1836+5925 doi:10.1088/0004-637X/712/2/1209.
  39. A.A. Abdo et al., Fermi Large Area Telescope Measurements of the Diffuse Gamma-Ray Emission at Intermediate Galactic Latitudes, Phys. Rev. Lett. 103, (2009) 251101, arXiv:0912.0973v1.
  40. A.A. Abdo et al., A limit on the variation of the speed of light arising from quantum gravity effects, Nature 462 (2009) 331, doi:10.1038/nature08574, arXiv:0908.1832v1.
  41. A.A. Abdo et al., A Population of Gamma-Ray Millisecond Pulsars Seen with the Fermi Large Area Telescope, Science 325 (2009) 848; 10.1126/science.1176113.
  42. A.A. Abdo et al., Detection of 16 Gamma-Ray Pulsars Through Blind Frequency Searches Using the Fermi LAT, Science 325 (2009) 840; 10.1126/science.1175558.
  43. R.P. Johnson and R. Mukherjee, GeV Telescopes: Results and Prospects for Fermi, New Journal of Physics 11 (May 2009), 10.1088/1367-2630/11/5/055008.
  44. A.A. Abdo et al., The On-Orbit Calibration of the Fermi Large Area Telescope, Astropart. Phys. 32 (2009) 193. arXiv:0904.2226v1.
  45. W.B. Atwood et al., The Large Area Telescope on the Fermi Gamma-ray Space Telescope Mission, Ap.J. 697 (2009) 1071, arXiv:0902.1089v1.
  46. A.A. Abdo et al., The Fermi Gamma-Ray Telescope Discovers the Pulsar in the Young Galactic Supernova Remnant CTA 1, Science 322, 1218, 2008; 10.1126/science.1165572.
  47. M. Ziegler, B.M. Baughman, R.P. Johnson, W.B. Atwood,  A Search for Radio Quiet Gamma-Ray Pulsars in EGRET Data Using a Time Differencing Technique,  Ap.J. 680, 620-626, 2008.
  48. E.A. Baltz et al., Pre-Launch Estimates for GLAST Sensitivity to Dark Matter Annihilation Signals, JCAP 10.1088/1475-7516/2008/07/013.
  49. W. Atwood et al., Design and Initial Tests of the Tracker-Converter of the Gamma-ray Large Area Space Telescope, Astroparticle Physics 28, 422-434, 2007.
  50. W.B. Atwood, M. Ziegler, R.P. Johnson, B.M. Baughman, A Time Differencing Technique for Detecting Radio-Quiet Gamma-Ray Pulsars, Ap.J. 652, L49-L52, 2006.
  51. L. Baldini et al., Fabrication of the GLAST Silicon Tracker Readout Electronics, IEEE Trans. Nucl. Sci. 53, 3013-3020, 2006.
  52. L. Baldini et al., The Silicon Tracker Readout Electronics of the Gamma-Ray Large Area Space Telescope, IEEE Trans. Nucl. Sci. 53, 466, 2006.  

 

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