There is a rising interest in developing and utilizing arc delivery techniques with charged
particle beams, eg, proton, carbon or other ions, for clinical implementation. In this work …

With the advancement of radiotherapy equipment, stereotactic radiotherapy (SRT) has been
increasingly used. Among the many radiotherapy devices, Halcyon shows promising …

Stereotactic body radiotherapy (SBRT) of lung tumors via the ring‐mounted Halcyon Linac, a
fast kilovoltage cone beam CT‐guided treatment with coplanar geometry, a single energy …

Cone beam CT‐guided prostate stereotactic body radiotherapy (SBRT) treatment on the
recently installed novel O‐ring coplanar geometry Halcyon Linac with a single energy 6MV …

Purpose/objectives This work seeks to evaluate the plan quality, treatment delivery
efficiency, and accuracy of single‐isocenter volumetric modulated arc therapy (VMAT) of …

Abstract Background The Halcyon is a new machine from the Varian company. The purpose
of this study was to evaluate the dosimetry of the Halcyon in treatment of bilateral breast …

Background Cardiac stereotactic body radiotherapy (CSBRT) is an emerging and promising
noninvasive technique for treating refractory arrhythmias utilizing highly precise, single or …

This study characterized the plan complexity of the dual-layer multi-leaf collimator (MLC)
performance for volumetric modulated arc therapy (VMAT) in Halcyon. Plan complexity …

The purpose of this study is to investigate the dosimetric impact of multi‐leaf collimator
(MLC) positioning errors on a Varian Halcyon for both random and systematic errors, and to …

Objective: High levels of beam modulation complexity (MC) and monitor units (MU) can
compromise the plan deliverability of intensity-modulated radiotherapy treatments. Our study …