PXIE LEBT设计选择
The PXIE LEBT Design Choices
摘要：
现代轻离子高强度加速器的典型前端通常由离子源、低能束流传输器（LEBT）、辐射四极子（Radiopulmonary Quadrupole，EBT）和中能束流传输器（Medium Energy Beam Transport，MEBT）组成，其后是主要的直线加速器加速结构。多年来，许多LEBT的设计、建造和运营都非常成功。在本文中，我们提出的指导原则和妥协，导致的PXIE LEBT的设计选择，包括一个光束线，允许未中和的运输超过一个显着的LEBT的一部分，无论是脉冲或直流束的基本原理。
英文摘要：
Typical front-ends of modern light-ion high-intensity accelerators typically consist of an ion source, a Low Energy Beam Transport (LEBT), a Radiofrequency Quadrupole (RFQ) and a Medium Energy Beam Transport (MEBT), which is followed by the main linac accelerating structures. Over the years, many LEBTs have been designed, constructed and operated very successfully. In this paper, we present the guiding principles and compromises that lead to the design choices of the PXIE LEBT, including the rationale for a beam line that allows un-neutralized transport over a significant portion of the LEBT whether the beam is pulsed or DC.
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