Beam focal spot intrafraction motion and gantry angle dependence: A study of Varian linac focal spot alignment.

- Slama, Luke A., Riis, Hans L, Sabet, Mahsheed, Barnes, Michael P., Ebert, Martin A., Chan, Sun, Rowshanfarzad, Pejman

Detection and correction for EPID and gantry sag during arc delivery using cine EPID imaging

- Rowshan Farzad, Pejman, Sabet, Mahsheed, O’Connor, Daryl J., McCowan, Peter M., McCurdy, Boyd M. C., Greer, Peter B.

EPID-based verification of the MLC performance for dynamic IMRT and VMAT

- Rowshanfarzad, Pejman, Sabet, Mahsheed, Barnes, Michael P., O'Connor, Daryl J., Greer, Peter B.

Evaluation of an a-Si EPID in direct detection configuration as a water-equivalent dosimeter for transit dosimetry

- Sabet, Mahsheed, Menk, Frederick W., Greer, Peter B.

Gantry angle determination during arc IMRT: evaluation of a simple EPID-based technique and two commercial inclinometers

- Rowshanfarzad, Pejman, Sabet, Mahsheed, O'Connor, Daryl J., McCowan, Peter M., McCurdy, Boyd M. C., Greer, Peter B.

Impact of backscattered radiation from the bunker structure on EPID dosimetry

- Rowshanfarzad, Pejan, Sabet, Mahsheed, O'Connor, Daryl J., Greer, Peter B.

Improvement of Varian a-Si EPID dosimetry measurements using a lead-shielded support-arm

- Rowshanfarzad, Pejman, Sabet, Mahsheed, O'Connor, Daryl J., Greer, Peter B.

Investigation of a modified electronic portal imaging device for improving dosimetry in radiotherapy

- Sabet, Mahsheed

Investigation of the sag in linac secondary collimator and MLC carriage during arc deliveries

- Rowshan Farzad, Pejman, Sabet, Mahsheed, O'Connor, Daryl J., Greer, Peter B.

Isocenter verification for linac-based stereotactic radiation therapy: review of principles and techniques

- Rowshanfarzad, Pejman, Sabet, Mahsheed, O'Connor, Daryl J., Greer, Peter B.

Measurement and modeling of the effect of support arm backscatter on dosimetry with a Varian EPID

- Rowshanfarzad , Pejman, McCurdy, Boyd M. C., Sabet, Mahsheed, Lee, Christopher, O'Connor, Daryl J., Greer, Peter B.

Reduction of the effect of non-uniform backscatter from an E-type support arm of a Varian a-Si EPID used for dosimetry

- Rowshanfarzad, Pejman, Sabet, Mahsheed, O'Connor, Daryl J., Greer, Peter B.

Transit dosimetry in dynamic IMRT with an a-Si EPID

- Sabet, Mahsheed, Rowshanfarzad, Pejman, Menk, Fred W., Greer, Peter B.

Transit dosimetry in IMRT with an a-Si EPID in direct detection configuration

- Sabet, Mahsheed, Rowshanfarzad, Pejman, Vial, Philip, Menk, Frederick W., Greer, Peter B.

Verification of the linac isocenter for stereotactic radiosurgery using cine-EPID imaging and arc delivery

- Rowshanfarzad, Pejman, Sabet, Mahsheed, O'Connor, Daryl J., Greer, Peter B.