The energy calibration of LEP in the 1993 scan

F Bordry,M Jonker,H Grote,H Burkhardt,E Peschardt,D Strom,C M Hawkes,A Hofmann,S Myers,R Assmann,G J Bobbink,J P Koutchouk,M Placidi,P Renton,J Wenninger,A Beuret,J Billan,G Quast,J Gascon,H Wachsmuth,J Miles,B Dehning,A Drees,R Schmidt,R Veenhof,M Koratzinos,A Blondel,G Rolandi ,R.g Jacobsen ,K.n Henrichsen ,D E Plane ,Roland Billen ,Marc Vadon ,P Grosse‐Wiesmann ,T R Wyatt

doi:10.1007/bf01579631

The energy calibration of LEP in the 1993 scan

F Bordry, M Jonker + Show 33 more

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https://doi.org/10.1007/bf01579631

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Journal: Zeitschrift für Physik C Particles and Fields	Publication Date: Dec 1, 1995
Citations: 24

Affiliation: European Organization for Nuclear Research, University of Oregon, Max Planck Institute for Physics, National Institute for Subatomic Physics, University of Oxford, Johannes Gutenberg University Mainz, Université de Montréal, University of Wuppertal, University of Oslo, Laboratoire de Physique Nucléaire et de Hautes Énergies, École Polytechnique, Institut National de Physique Nucléaire et de Physique des Particules, Institut Polytechnique de Paris, University of Manchester

#Average Beam Energy #Energy Scan + Show 8 more

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Abstract

This report summarizes the procedure for providing the absolute energy calibration of the LEP beams during the energy scan in 1993. The average beam energy around the LEP ring was measured in 25 calibrations with the resonant depolarization technique. The time variation of this average beam energy is well described by a model of the accelerator based on monitored quantities. The absolute calibration of the centre of mass energies of the off-peak points is determined with a precision of 2 parts in 105 resulting in a systematic error on the Z-mass of about 1.4 MeV and on the Z-width of about 1.5 MeV.

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