Sahar Safari M.Sc.

Sahar Safari M.Sc.
  • November 2024 - Present (Doctoral Student)
  • Thesis Title: Analysis of atmospheric neutrinos in JUNO experiment

Contact:
  • E-mail:

Education

  • 2021-2024, M.Sc. in Particle Physics
    Shahid Beheshti University, Tehran, Iran
    Master Thesis: Thermal leptogenesis in the presence of helical hypermagnetic fields

  • 2017-2021, B.Sc. in Physics
    Shahid Beheshti University, Tehran, Iran

Research Activities

  • JUNO (present)

    JUNO, a multipurpose neutrino physics experiment currently under construction in South China, is expected to acquire the first data in early 2025. Its target will consist of 20 kton of liquid scintillator. JUNO's main goal is the determination of neutrino mass ordering (NMO) via measurement of the oscillation pattern of electron anti-neutrinos from the two nuclear power plants at 53 km baseline. However, thanks to its huge active volume and an unprecedented energy resolution, JUNO will be able to detect and study solar, geo, atmospheric, and supernovae neutrinos as well.

    My work will focus on the NMO determination by exploiting a combined analysis of reactor and atmospheric neutrinos that has a potential to boost the overall NMO sensitivity. My focus will also be on analyzing the first real data and understanding the detector performance.

  • Non-Standard Interactions (NSI) of neutrinos

    Enhancing the precision of future neutrino experiments could improve our ability to search for NSI that current facilities have limited. We focused on how a DUNE-like neutrino experiment, as a future long-baseline neutrino experiment, can improve constraints on NSI couplings by studying the impact of neutral current Deep Inelastic Scattering (DIS) events.

  • Leptogenesis

    One of the most significant challenges in particle physics and cosmology is to understand the matter-antimatter asymmetry of the Universe. One possible explanation for this phenomenon is thermal leptogenesis, which involves the inclusion of at least two right-handed neutrinos (RHNs) in the standard model. This is while another possible explanation is baryogenesis through hypermagnetic fields. Leptogenesis requires a huge mass of RHN to produce the observed matter-antimatter asymmetry which exceeds the energy range of current and near-future experiments, causing it to be non-testable. We investigate the simplest model that combines these two scenarios to explore new parameter spaces in hopes of reducing the required mass of the RHN.

Publications

  • The list of my publications is avaiable on INSPIRE-HEP.