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@INPROCEEDINGS{Zhang:247094,
      author       = {Zhang, Ziyu and Zhao, Guang and Sun, Shengsen and Pu, Qing
                      and Liu, Chunxiu and Yu, Chunxu and Liu, Dong and Qi, Hang
                      and Huang, Guangshun and Stockmanns, Tobias and Liu,
                      Beijiang and Wang, Fei and Zhang, Yitong and Shen, Xiaoyan},
      title        = {{P}erformance {S}tudy of a {N}ew {C}luster {S}plitting
                      {A}lgorithm for the {R}econstruction of {PANDA} {EMC}
                      {D}ata},
      journal      = {Instruments},
      volume       = {6},
      number       = {3},
      issn         = {2410-390X},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {GSI-2022-00822},
      pages        = {34},
      year         = {2022},
      abstract     = {For high-energy π0 mesons, the angle between the two
                      final-state photons decreases with the increase in the
                      energy of the π0, which enhances the probability of
                      overlapping electromagnetic showers. The performance of the
                      cluster splitting algorithm in the EMC reconstruction is
                      crucial for the mass resolution measurement of π0 with high
                      energy. The cluster splitting algorithm is based on the
                      theoretical lateral distribution of the electromagnetic
                      showers. A simple implementation of the lateral distribution
                      can be described as a (multi-)exponential function. In a
                      realistic electromagnetic calorimeter, considering the
                      granularity of the detector, the measured energy in a cell
                      is actually the integral of the theoretical energy
                      deposition, which deviates from the exponential function.
                      Based on the simulation of the barrel EMC in the PANDA
                      experiment, a cluster splitting algorithm with a new lateral
                      energy development function is developed. The energy
                      resolution of overlapping showers with high energy has been
                      improved.},
      month         = {May},
      date          = {2022-05-15},
      organization  = {19th International Conference on
                       Calorimetry in Particle Physics, Sussex
                       (UK), 15 May 2022 - 20 May 2022},
      cin          = {FZJ},
      ddc          = {530},
      cid          = {I:(DE-588b)5008462-8},
      pnm          = {899 - ohne Topic (POF4-899)},
      pid          = {G:(DE-HGF)POF4-899},
      experiment   = {$EXP:(DE-Ds200)External_experiment-20200803$},
      typ          = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8},
      doi          = {10.3390/instruments6030034},
      url          = {https://repository.gsi.de/record/247094},
}