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Measurement of the $K_L$ nuclear interaction length in the NaI(Tl) calorimeter

JINST 10 (2015) P09006, 2015.

Abstract (data abstract)
NOVOSIBIRSK-VEPP-2M. In the study of the reaction $e^+e^-\to K_{S}K_{L}$ at the VEPP-2M $e^+e^-$ collider with the SND detector the nuclear interaction length of $K_{L}$ meson in NaI(Tl) has been measured. Its value is found to be 30-50 cm in the $K_{L}$ momentum range 0.11-0.48 GeV/$c$. The results are compared with the values used in the simulation programs GEANT4 and UNIMOD.

  • Table 1

    Data from Table 1


    The energy interval ($\sqrt{s}$), integrated luminosity ($IL$), number of selected events ($N$), number of background events ($N_{\rm bkg}$), number of...

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