PEP-II Status and Outlook | Zendy

H. -U. Wienands | Zendy

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PEP-II Status and Outlook

Author(s) -

H. -U. Wienands

Publication year - 2012

Language(s) - English

Resource type - Reports

DOI - 10.2172/1039187

Subject(s) - luminosity , physics , reliability (semiconductor) , beam (structure) , detector , nuclear physics , astrophysics , optics , power (physics) , quantum mechanics , galaxy

PEP-II/BABAR are presently in their second physics run. With machine and detector performance and reliability at an all-time high, almost 51 fb{sup -1} have been integrated by BABAR up to mid-October 2001. PEP-II luminosity has reached 4.4 x 10{sup 33} cm{sup -2} s{sup -1} and our highest monthly delivered luminosity has been above 6 pb{sup -1}, exceeding the performance parameters given in the PEP-II CDR by almost 50%. The increase compared to the first run in 2000 has been achieved by a combination of beam-current increase and beam-size decrease. In this paper we will summarize the PEP-II performance and the present limitations as well as our plans to further increase machine performance

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