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Calibration of the LHCb electromagnetic calorimeter via reconstructing the neutral-pion invariant mass

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Abstract

The calibration of the LHCb electromagnetic calorimeter is a multistep procedure aimed at reconstructing photon and electron energies to a precision not poorer than 2%. A method based on measuring the neutral-pion invariantmass is applied at the last step of this procedure. A regular application of this method makes it possible to improve substantially the resolution for particles that decay through channels featuring electrons and photons in the final state.

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Authors and Affiliations

  1. Institute for Theoretical and Experimental Physics, National Research Center Kurchatov Institute, Bol’shaya Cheremuskinskaya ul. 25, Moscow, 117218, Russia

    I. M. Belyaev, D. Yu. Golubkov, V. Yu. Egorychev, S. M. Polikarpov & D. V. Savrina

  2. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119991, Russia

    D. V. Savrina

Authors
  1. I. M. Belyaev
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  2. D. Yu. Golubkov
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  3. V. Yu. Egorychev
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  4. S. M. Polikarpov
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  5. D. V. Savrina
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Corresponding author

Correspondence to I. M. Belyaev.

Additional information

Original Russian Text © I.M. Belyaev, D.Yu. Golubkov, V.Yu. Egorychev, S.M. Polikarpov, D.V. Savrina, 2015, published in Yadernaya Fizika, 2015, Vol. 78, No. 12, pp. 1089–1096.

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Belyaev, I.M., Golubkov, D.Y., Egorychev, V.Y. et al. Calibration of the LHCb electromagnetic calorimeter via reconstructing the neutral-pion invariant mass. Phys. Atom. Nuclei 78, 1026–1033 (2015). https://doi.org/10.1134/S1063778815090057

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  • DOI: https://doi.org/10.1134/S1063778815090057

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