CERN Accelerating science

Article
Report number arXiv:1005.1784 ; 0036327
Title Relative luminosity measurement of the LHC with the ATLAS forward calorimeter
Related titleRelative luminosity measurement of the LHC with the ATLAS forward calorimeter
Author(s)

Afonin, A. (Serpukhov, IHEP) ; Akimov, A.V. (Lebedev Inst.) ; Barillari, T. (Munich, Max Planck Inst.) ; Bezzubov, V. (Serpukhov, IHEP) ; Blagov, M. (Lebedev Inst.) ; Braun, H.M. (Wuppertal U.) ; Bruncko, D. (Kosice, IEF) ; Chekulaev, S.V. (TRIUMF) ; Cheplakov, A. (Dubna, JINR) ; Degele, R. (Mainz U.) ; Denisov, S.P. (Serpukhov, IHEP) ; Drobin, V. (Dubna, JINR) ; Eckstein, P. (Dresden, Tech. U.) ; Ershov, V. (Dubna, JINR) ; Evdokimov, V.N. (Serpukhov, IHEP) ; Ferencei, J. (Kosice, IEF) ; Fimushkin, V. (Dubna, JINR) ; Fischer, A. (Munich, Max Planck Inst.) ; Futterschneider, H. (Dresden, Tech. U.) ; Garkusha, V. (Serpukhov, IHEP) ; Glatte, A. (Dresden, Tech. U.) ; Handel, C. (Mainz U.) ; Huber, J. (Munich, Max Planck Inst.) ; Javadov, N. (Dubna, JINR) ; Kazarinov, M. (Dubna, JINR) ; Khoroshilov, A. (Novosibirsk, IYF) ; Kiryunin, A.E. (Munich, Max Planck Inst.) ; Kladiva, E. (Kosice, IEF) ; Kobel, M. (Dresden, Tech. U.) ; Komar, A.A. (Lebedev Inst.) ; Komogorov, M. (Dubna, JINR) ; Kozelov, A. (Serpukhov, IHEP) ; Krupny, G. (Serpukhov, IHEP) ; Kukhtin, V. (Dubna, JINR) ; Kulikov, S. (Serpukhov, IHEP) ; Kurchaninov, L.L. (TRIUMF) ; Ladygin, E. (Dubna, JINR) ; Lazarev, A.B. (Dubna, JINR) ; Levin, A. (Serpukhov, IHEP) ; Mader, W.F. (Dresden, Tech. U.) ; Maslennikov, A.L. (Novosibirsk, IYF) ; Menke, S. (Munich, Max Planck Inst.) ; Merkulov, L. (Dubna, JINR) ; Neganov, A. (Dubna, JINR) ; Oberlack, H. (Munich, Max Planck Inst.) ; Oram, C.J. (TRIUMF) ; Othegraven, R. (Mainz U.) ; Peleganchuk, S.V. (Novosibirsk, IYF) ; Petrov, V. (Dubna, JINR) ; Pivovarov, S. (Novosibirsk, IYF) ; Pospelov, G.E. (Munich, Max Planck Inst.) ; Prokopenko, N. (Serpukhov, IHEP) ; Rascvetalov, J. (Serpukhov, IHEP) ; Rusakovich, N. (Dubna, JINR) ; Rutherfoord, J.P. (Arizona U.) ; Salihagic, D. (Munich, Max Planck Inst.) ; Savine, A.Y. (Arizona U.) ; Schacht, P. (Munich, Max Planck Inst.) ; Secker, H. (Mainz U.) ; Seifert, F. (Dresden, Tech. U.) ; Seleznev, V. (Serpukhov, IHEP) ; Shaver, L. (Arizona U.) ; Shilov, S. (Dubna, JINR) ; Snesarev, A.A. (Lebedev Inst.) ; Soldatov, M. (Serpukhov, IHEP) ; Spalek, J. (Kosice, IEF) ; Speransky, M. (Lebedev Inst.) ; Stoyanova, D. (Serpukhov, IHEP) ; Straessner, A. (Dresden, Tech. U.) ; Strizenec, P. (Kosice, IEF) ; Sulin, V.V. (Lebedev Inst.) ; Talyshev, A. (Novosibirsk, IYF) ; Tapprogge, S. (Mainz U.) ; Tikhonov, Yu.A. (Novosibirsk, IYF) ; Usov, Y. (Dubna, JINR) ; Vadeev, V. (Dubna, JINR) ; Vasiliev, I. (Serpukhov, IHEP) ; Walker, R. (Arizona U.) ; Zeitnitz, C. (Wuppertal U.)

Publication 2010
Imprint 12 May 2010
Number of pages 15
Note Comments: 16 pages
16 pages
In: JINST 5 (2010) P05005
DOI 10.1088/1748-0221/5/05/P05005
Subject category Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN LHC ; ATLAS
Abstract In this paper it is shown that a measurement of the relative luminosity changes at the LHC may be obtained by analysing the currents drawn from the high voltage power supplies of the electromagnetic section of the forward calorimeter of the ATLAS detector. The method was verified with a reproduction of a small section of the ATLAS forward calorimeter using proton beams of known beam energies and variable intensities at the U-70 accelerator at IHEP in Protvino, Russia. The experimental setup and the data taking during a test beam run in April 2008 are described in detail. A comparison of the measured high voltage currents with reference measurements from beam intensity monitors shows a linear dependence on the beam intensity. The non-linearities are measured to be less than 0.5 % combining statistical and systematic uncertainties.
Copyright/License Open Access



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