CERN Accelerating science

Article
Report number	hep-ex/0207095 ; BUDKER-INP-2002-48
Title	Precision luminosity measurement at LHC using two-photon production of $\mu^{+}\mu^{-}$ pairs
Author(s)	Shamov, A G ; Telnov, V I
Affiliation	(Acad Lavrentiev) ; (Institute of Nuclear Physics, Novosibirsk)
Publication	2002
Imprint	29 Jul 2002
Number of pages	10
Note	Comments: 10 pages, Latex, 5 figures (9 .eps files). Talk at the VIII Intern. Conference on Instrumentation for Colliding Beam Physics, Novosibirsk, Russia, Feb.28 - March 6, 2002, be published in Nucl. Instrum. and Methods A
In:	Nucl. Instrum. Methods Phys. Res., A 494 (2002) 51-56
In:	8th International Conference on Instrumentation for Colliding Beam Physics, Novosibirsk, Russian Federation, 28 Feb - 6 Mar 2002, pp.51-56
DOI	10.1016/S0168-9002(02)01444-4
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN LHC ; ATLAS
Abstract	The application of the two-photon process pp -> pp + mu^+mu^- for the luminosity measurements at LHC with the ATLAS detector is considered. The expected accuracy of the absolute offline luminosity determination is 1 - 2 % for the luminosity range of 10^{33} - 10^{34} cm^-2 s^-1. The preliminary cross section estimates done for LHCb promise the same level of the luminosity measurement accuracy at L = 2 x 10^{32} cm^-2 s^-1.

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