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The MOLLER (Measurement of Lepton-Lepton Electroweak Reaction) experiment is designed to measure the parity-violating asymmetry in the scattering of longitudinally polarized electrons off unpolarized electrons. The experiment utilizes the upgraded 11 GeV beam in Hall A at Thomas Jefferson National Accelerator Facility (JLab), Virginia, USA, to achieve an overall high fractional accuracy of 2.4% [1]. The polarization measurement contributes the largest experimental uncertainty to the error budget, with a target precision of \(0.4\%\)  [1]. We aim to simulate the Compton polarimeter setup in preparation for this challenging task. Here we briefly discuss a few developments in the simulation framework for this polarimeter carried out by the Indian collaborator.

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Compton Polarimetry for 11 GeV Electron Beam During the MOLLER Experiment at Jefferson Laboratory

  • 会议论文

  • 发表日期：

    2025年

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  • Jaya Bharti,
  • Amrendra Narayan

摘要

The MOLLER (Measurement of Lepton-Lepton Electroweak Reaction) experiment is designed to measure the parity-violating asymmetry in the scattering of longitudinally polarized electrons off unpolarized electrons. The experiment utilizes the upgraded 11 GeV beam in Hall A at Thomas Jefferson National Accelerator Facility (JLab), Virginia, USA, to achieve an overall high fractional accuracy of 2.4% [1]. The polarization measurement contributes the largest experimental uncertainty to the error budget, with a target precision of \(0.4\%\)  [1]. We aim to simulate the Compton polarimeter setup in preparation for this challenging task. Here we briefly discuss a few developments in the simulation framework for this polarimeter carried out by the Indian collaborator.