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Title	LHC Injectors Upgrade (LIU) Project at CERN
Authors	E.N. Shaposhnikova, J. Coupard, H. Damerau, A. Funken, S.S. Gilardoni, B. Goddard, K. Hanke, L. Kobzeva, A.M. Lombardi, D. Manglunki, S. Mataguez, M. Meddahi, B. Mikulec, G. Rumolo, R. Scrivens, M. Vretenar CERN, Geneva, Switzerland
Abstract	A mas­sive im­prove­ment pro­gram of the LHC in­jec­tor chain is presently being con­ducted under the LIU pro­ject. For the pro­ton chain, this in­cludes the re­place­ment of Linac2 with Linac4 as well as all nec­es­sary up­grades to the Pro­ton Syn­chro­tron Booster (PSB), the Pro­ton Syn­chro­tron (PS) and Super Pro­ton Syn­chro­tron (SPS), aimed at pro­duc­ing beams with the chal­leng­ing High Lu­mi­nos­ity LHC (HL-LHC) pa­ra­me­ters. Re­gard­ing the heavy ions, plans to im­prove the per­for­mance of Linac3 and the Low En­ergy Ion Ring (LEIR) are also pur­sued under the gen­eral LIU pro­gram. The full LHC in­jec­tion chain re­turned to op­er­a­tion after Long Shut­down 1, with ex­tended beam stud­ies tak­ing place in Run 2. A gen­eral pro­ject Cost and Sched­ule Re­view also took place in March 2015, and sev­eral ded­i­cated LIU pro­ject re­views were held to ad­dress is­sues await­ing pend­ing de­ci­sions. In view of these de­vel­op­ments, 2014 and 2015 have been key years to de­fine a num­ber of im­por­tant as­pects of the final LIU path. This paper will de­scribe the re­viewed LIU roadmap and re­vised per­for­mance ob­jec­tives of the main up­grades, in­clud­ing the work sta­tus and out­look in terms of the re­quired in­stal­la­tion and com­mis­sion­ing stages.
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Conference	IPAC2016, Busan, Korea
Series	International Particle Accelerator Conference (7th)
Proceedings	Link to full IPAC2016 Proccedings
Session	Poster Session
Date	09-May-16   16:00–18:00
Main Classification	04 Hadron Accelerators
Sub Classification	A17 High Intensity Accelerators
Keywords	ion, injection, proton, linac, brightness
Publisher	JACoW, Geneva, Switzerland
Editors	Christine Petit-Jean-Genaz (CERN, Geneva, Switzerland); Dong Eon Kim (PAL, Pohang, Republic of Korea); Kyung Sook Kim (PAL, Pohang, Republic of Korea); In Soo Ko (POSTECH, Pohang, Republic of Korea); Volker RW Schaa (GSI, Darmstadt, Germany)
ISBN	978-3-95450-147-2
Published	June 2016
Copyright	Copyright © 2016 by JACoW, Geneva, Switzerland     cc Creative Commons Attribution 3.0