253 citations
2 papers
physics.acc-ph2021
Review of Technologies for Ion Therapy Accelerators
H. X. Q. Norman, A. F. Steinberg, R. B. Appleby +4
Cancer therapy using protons and heavier ions such as carbon has demonstrated advantages over other radiotherapy treatments. To bring about the next generation of clinical faciliti…
astro-ph.GA2015★ 253 cited
Quasar Quartet Embedded in Giant Nebula Reveals Rare Massive Structure in Distant Universe
Joseph F. Hennawi, J. Xavier Prochaska, Sebastiano Cantalupo +1
All galaxies once passed through a hyperluminous quasar phase powered by accretion onto a supermassive black hole. But because these episodes are brief, quasars are rare objects ty…