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ATLAS Offline Beam Spot in 2012

Precise knowledge of the shape and location of the beam spot, the luminous region where collisions occur, is an important input to many aspects of ATLAS operations, including the vertex reconstruction algorithm, the detector alignment, simulation conditions, and the calibration of the luminosity alg...

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Detalles Bibliográficos
Autor principal: Yu, D
Lenguaje:eng
Publicado: 2014
Materias:
Acceso en línea:http://cds.cern.ch/record/1665618
Descripción
Sumario:Precise knowledge of the shape and location of the beam spot, the luminous region where collisions occur, is an important input to many aspects of ATLAS operations, including the vertex reconstruction algorithm, the detector alignment, simulation conditions, and the calibration of the luminosity algorithms using van der Meer scans. This poster describes the fit procedure used to determine the beam spot, and presents beam spot results from 2012 pp fills.