NDLI: Progress of the PEP-II B-factory

Content Provider	IEEE Xplore Digital Library
Author	Seeman, J. Browne, M. Cai, Y. Colocho, W. Decker, F.-J. Donald, M. Ecklund, S. Erickson, R. Fisher, A. Fox, J. Heifets, S. Iverson, R. Kozanecki, W. Krejcik, P. Kulikov, A. Novokhatski, A. Schuh, P. Schwarz, H. Stanek, M. Sullivan, M. Teytelman, D. Turner, J. Wienands, U. Yan, Y. Yocky, J. Biagini, M.
Copyright Year	2003
Description	Author affiliation: SLAC, Stanford, CA, USA (Seeman, J.; Browne, M.; Cai, Y.; Colocho, W.; Decker, F.-J.; Donald, M.; Ecklund, S.; Erickson, R.; Fisher, A.; Fox, J.; Heifets, S.; Iverson, R.; Kozanecki, W.; Krejcik, P.; Kulikov, A.; Novokhatski, A.; Schuh, P.; Schwarz, H.; Stanek, M.; Sullivan, M.; Teytelman, D.; Turner, J.; Wienands, U.; Yan, Y.; Yocky, J.)
Abstract	PEP-II is an e/sup +/e/sup -/ B-factory collider located at SLAC operating at the Upsilon 4S resonance. PEP-II has delivered, over the past five years, an integrated luminosity to the BaBar detector of over 131 fb/sup -1/ and has reached a luminosity of 6.11/spl times/10/sup 36//cm/sup 2//s. Steady progress is being made in reaching higher luminosity. The goal over the next several years is to reach a luminosity of at least 2/spl times/10/sup 34//cm/sup 2//s. The accelerator physics issues being addressed in PEP-II to reach this goal include the electron cloud instability, beam-beam effects, parasitic beam-beam effects, high RF beam loading, shorter bunches, lower betay, interaction region operation, and coupling control. The present parameters of the PEP-II B-Factory are compared to the design. The present peak luminosity is 204% of design and the best integrated luminosity per month is 7.4 fb/sup -1/ that is 225% of design. The progress in luminosity has come from correcting the orbits, adding specific orbit bumps to correct coupling and dispersion issues, lowering the betay in the LER, and moving the fractional horizontal tunes in both rings to just above the half integer (<0.52).
Sponsorship	U.S. Dept. of Energy Office of Naval Res. Nat. Sci. Found
Starting Page	2297
Ending Page	2299
File Size	207294
Page Count	3
File Format	PDF
ISBN	0780377389
ISSN	10633928
DOI	10.1109/PAC.2003.1289097
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-05-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Orbits Resonance Detectors Electron accelerators Physics Electron beams Clouds Radio frequency Particle beams Optical coupling
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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