Speaker
Shengjin LIU
(China Spallation Neutron Source)
Description
A standard Interdigital Drift Tube Linac accelerates particles in a pi-mode cavity using drift tubes suspended alternately from opposite walls. It typically requires external magnetic quadrupoles in a Focusing-Drift-Defocusing-Drift lattice for transverse focusing.
The RF-focused DTL innovates by shaping the drift tubes themselves as RF quadrupoles (like a short section of an RFQ). This integrates transverse focusing directly into the accelerating structure, eliminating the need for separate magnetic quadrupoles. This leads to a more compact, mechanically simpler, and potentially cheaper system, ideal for applications like medical isotope accelerators, injectors, or compact neutron sources.
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Authors
Qi Yu Kong
(Dongguan Neutron Science Center)
Huachang Liu
(Institute of High Energy Physics)
Ahong Li
(Institute of High Energy Physics)
Shengjin LIU
(China Spallation Neutron Source)
雨瑄 杨
(China Spallation Neutron Source)