May 2010

Conference Paper

Status of the SNS Ring Power Ramp UP

By:: Plum, Michael A; Aleksandrov, Alexander V; Allen, Christopher K; Cousineau, Sarah Mariehelen; Danilov, Viatcheslav V; Galambos, John D; Holmes, Jeffrey A; Jeon, Dong-O ; Pelaia Ii, Thomas A; Shishlo, Andrei P; Zhang, Yan
Publication Date:: May 4, 2010
Conference Name:: EPAC 2008
Conference Location:: Genoa, Italy

Abstract

Beam was first circulated in the Spallation Neutron Source (SNS) ring in January 2006. Since that time we have been working to raise the beam power to the design value of 1.4 MW. In general the power ramp up has been proceeding very well, but several issues have been uncovered. Examples include poor transmission of the waste beams in the injection dump beam line, and cross-plane coupling in the ring to target beam transport line. In this paper we will discuss these issues and present an overall status of the ring and the transport beam lines.

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