17–22 May 2026
C.I.D
Europe/Zurich timezone

Preliminary Design of an RF-focused Interdigital Drift Tube Linac

THP3613
21 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Board: Thursday baguette: BB04
Poster Presentation MC3.T01: Advanced techniques/Novel sources: Proton and Ion Sources Poster session

Speaker

Shengjin LIU (Spallation Neutron Source Science Center, Institute of High Energy Physics, University of Chinese Academy of Sciences)

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.

Paper status Resubmitted proceeding files received and assigned to an editor. Accepted by Submitter.

Author

Qi Yu Kong (Spallation Neutron Source Science Center, Institute of High Energy Physics)

Co-authors

Yuxuan Yang (Spallation Neutron Source Science Center, Institute of High Energy Physics, University of Chinese Academy of Sciences) Huachang Liu (Spallation Neutron Source Science Center, Institute of High Energy Physics, University of Chinese Academy of Sciences) Ahong Li (Spallation Neutron Source Science Center, Institute of High Energy Physics, University of Chinese Academy of Sciences) Shengjin LIU (Spallation Neutron Source Science Center, Institute of High Energy Physics, University of Chinese Academy of Sciences)

Presentation materials