· Anthropomorphic Phantoms for Quality Assurance in Radiation Therapy
P. Alvarez, A. Molineu, N. Hernandez, D.S. Followill, P. Balter, W.F. Hanson and G.S. Ibbott

· Use of MOSFET detectors in an anthropomorphic breast phantom
to verify dose and dose distribution

Jose A. BenComo, Sang H. Cho, Tzouh-Liang Sun, Seungsoo Lee and Geoffrey S. Ibbott

· Gel Dosimetry Technique for Measurements in High Dose Gradients
Malcolm P. Heard and Geoffrey S. Ibbott

· On the Choice of Measured Depth Dose Data for the Monte Carlo
Modeling of the 18 MV Photon Beam: Shifted vs. Unshifted
Sang Hyun Cho, Oleg Vassiliev, Helen Liu, Geoffrey S. Ibbott, and Radhe Mohan

· High-Energy Photon Standard Dosimetry Data: A Quality Assurance Tool
David Followill, Ph.D., Jessica Lowenstein, M.S., Geoffrey Ibbott, Ph.D.

· The Accuracy of 3-D Inhomogeneity Photon Algorithms in Commercial Treatment Planning Systems using a Heterogeneous Lung Phantom
Gary Fisher, B.S., David Followill, Ph.D., Geoffrey Ibbott, Ph.D.

· Energy dependence of a TLD-100 system for characterizing low energy brachytherapy sources
J. Esteban, R.C. Tailor, S. Cho and G. S. Ibbott

· Evaluation of 94 IMRT irradiations of an anthropomorphic H&N phantom
Andrea Molineu, Paola Alvarez, Nadia Hernandez, David S. Followill and Geoffrey S. Ibbott

2003 Back to top

· Characterizing Dose Distributions of Brachytherapy Sources Using Normoxic Gel.
M.P. Heard, D.S. Followill and G.S. Ibbott

· Magic Gel for Head and Neck IMRT
M. Beach, G. Ibbott, D. Followill, W. Hanson, C. Bloch, E. Jackson, S. Tucker

· TLD measurements in liquid water of dosimetry characteristics of a new 125I seed.
R. C. Tailor, J. Esteban and G.S. Ibbott

· Quality-Assurance Check of Collimator and Phantom-Scatter Factors.
Ramesh C. Tailor, David S. Followill, Nadia Hernandez, Timothy S. Zhu and Geoffrey S. Ibbott

· Are photon and electron beam calibrations more consistent with TG-51 than with TG-21?
Ramesh C. Tailor, William F. Hanson, Nathan Wells and Geoffrey S. Ibbott

· To Plan or not to Plan: Multiple High Dose Rate (HDR) Brachytherapy Insertions.
Lowenstein, J.R., Roll, J., and Ibbott, G. S.

· Evaluation of dosimetry parameters of photons and electron beams using a linear ionization chamber array.
Jose A. Bencomo, Geoffrey Ibbott, Seungsoo Lee and Joao A. Borges

· A Gel Lung-Equivalent Material for 3D Dosimetry.
Jose A. Borges, M.S., Jose A. Bencomo, Ph.D., Geoffrey S. Ibbott, Ph.D. and Jingfei Ma, Ph.D.

· Energy dependence of a TLD system for characterizing low energy brachytherapy sources.
J. Esteban, G.S. Ibbott, W. Hanson, J. Horton and S.Cho

2002 Back to top

· Implementation of a Polymer Gel Dosimetry Insert for an Anthropomorphic Head Phantom Used to Evaluate Head and Neck Intensity-Modulated Radiation Therapy
Michael L. Beach, Geoffrey S. Ibbott and Marek Maryanski

· Reference Photon Dosimetry Data for the Siemens Primus Linear Accelerator: Preliminary Results for Depth Dose and Output Factor
Sang Hyun Cho and Geoffrey S. Ibbott

· Verification of Plaque Simulator Dose Distributions Using Radiochromic Film
Amanda Krintz, William F. Hanson, Geoffrey S. Ibbott and David S. Followill

· Quality Assurance of Linear Accelerators Using Arrays of MOSFET Dosimeters: A Feasibility Study
Jose A. Bencomo, and Geoffrey S. Ibbott

· Experience with an IMRT Head and Neck QA Phantom
Andrea Nelson, Peter Balter, William F. Hanson, Geoffrey S. Ibbott

· Radiotherapy Quality Assurance of Gynecologic Oncology Group (GOG) Protocol 165, A Cooperative Group Study of Carcinoma of the Cervix Lowenstein
J.R., Roll, J., Hanson, H.W., Davis, D.S., Lanciano R., Calkins, A., Petereit, D., Varia, M., Ibbott, G.S.

2001 Back to top

· A Reanalysis of the Collaborative Ocular Melanoma Study Medium Tumor Trial Eye Plaque Dosimetry
Amanda Krintz, David S. Followill, Michelle Melia and Willaim F. Hanson

· Electron Calibrations: Parallel Plate Chambers vs. Cylindrical Chambers
Peter Balter, J.R. Lowenstein and William F. Hanson

· Problems and Shortcomings of the RPC Remote Monitoring Program of Institutions Dosimetry Data
J.A. Bencomo, N. Hernandez and William F. Hanson

· Standard Wedge and Tray Transmission Values for Varian, Seimens, Elekta/Philips Accelerators; A Quality Assurance Tool
David S. Followill, Nadia Hernandez and William F. Hanson

· Dose Specification and Quality Assurance of RTOG Protocol 95-17, A Cooperative Group Study of 192 IR Breast Implants as Sole Therapy
W.F. Hanson, B. Martin, R. Kuske, D. Arthur, R. Rabinovitch, J. White, R. Wilenzick, I. Harris, R.C. Tailor, D.S. Davis Poster and Slides

· Calculated TG51 to TG21 Absorbed-Dose Ratios For Most Widely Used Cylindrical and Parallel-Plate Ion Chambers Over a Range of Photon and Electron Energies
R.C. Tailor and W.F. Hanson

· Design of an Anthropomorphic Intensity Modulated Radiation Therapy Quality Assurance Phantom
Dee-Ann Radford, David S. Followill and William F. Hanson

2000 Back to top

· Comparison of On-Site and Off-Site Evalutations of Dosimetry Data
J.A. Bencomo, D.S. Followill, S.H. Cho, P.Balter, R.C. Tailor, J.R. Lowenstein, N. Hernandez, and W.F. Hanson;

· Standard Electron Cone Ratio Values for Varian, Siemens and Elekta (Philips) Accelerators
David S. Followill, Ramesh C. Tailor, Nadia Hernandez and William F. Hanso

· Implementation of TG-51: Practical Considerations
J.R. Lowenstein, P. Balter, D.S. Followill and W.F. Hanson;

· Design of a Heterogeneous Thorax Phantom for Remote Verification of Three-Dimensional Conformal Radiotherapy
Christopher P. Cherry, David S. Followill, William F. Hanson;

· Design of an Anthropomorphic Intensity Modulated Radiation Therapy Quality Assurance Phantom
Dee-Ann Radford, David S. Followill, Peter A. Balter, William F. Hanson;

· Practical Considerations for the Calibration of Low Energy/Low Activity Seeds
Peter A. Balter, J. Francisco Aguirre, and William F. Hanson;

· **Protocol Pre-Approval Processes for Radiotherapy Treatment on Clinical Trials; The RPC Experience.
Denise S. Davis, David S. Followill, Ramesh C. Tailor, Jessica R. Lowenstein, I. Harris, Joye Roll, and William F. Hanson (Oral Presentation)

** Poster not currently available.

1999 Back to top

· RPC Experience with TLD for Output and Energy Monitoring of Radiation Therapy Beams
Ramesh C. Tailor, J. Francisco Aguirre, and William F. Hanson

· Analysis of Radiological Physics Center Remote Tools Program Data
Jose A. Bencomo, Jessica R. Lowenstein, Denise S. Davis, Cynthia M. Davis, and William F. Hanson

· An Anthropomorphic Head Phantom for Remote Monitoring of Stereotactic Radiosurgery at Multiple Institutions
Peter Balter, Marilyn Stovall, Cathy Kasper, Susan Smith, and William F. Hanson

· Comparison between TG-51 and TG-21: The results of TG-51 beta testing
Jessica R. Lowenstein, Sang H. Cho, Peter A. Balter, and William F. Hanson