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Neutral and charged Higgsino as carriers of residual SUSY effects.

Explore the characteristic scales of the MSSM with a focus on the light gaugino scenario. Understand the Lagrangian of light Higgsino interactions with photons and vector bosons and evaluate astrophysical detection methods. Learn about direct detection experiments at the National Underground Scientific and Engineering Laboratory in the USA and satellite experiments for neutralino annihilation products in the galactic halo. Results show promising signals and valuable insights into these exotic particles.

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Neutral and charged Higgsino as carriers of residual SUSY effects.

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  1. Neutral and charged Higgsino as carriers of residual SUSY effects. R.S. Pasechnik Research Institute of Physics Rostov State University

  2. Characteristic scales of the MSSM

  3. The light gaugino (bino or wino) scenario - Standard MSSM variant:

  4. -- --

  5. The Lagangian of light Higgsino interactions with photons and vector bosons is

  6. + +

  7. It is unlikely since: Obtained by fine tuning to theW-boson mass It is contrary to well known experimental constraints

  8. -- --

  9. Astrophysical methods: • Direct detection experiments – registration of nuclear recoils generated in the processes of elastic WIMP’s scattering off the matter nuclei National Underground Scientific and Engineering Laboratory (NUSEL), USA

  10. The elastic scattering neutralino-nucleon cross section is spin-dependent only. -- 1 ton of liquid xenon Detector Local DM density Separated neutralino flux Neutralino-xenon cross section Estimation gives reliable signal ! Planned background

  11. Exotic effect of neutralino recharging on nucleons The threshold is

  12. 2) Satellite experiments for detection of neutralino annihilation products from the galactic halo. - channel - channels

  13. Characteristic photon energies -- are available for GLAST

  14. Diffuse gamma ray spectrum

  15. We obtained the maximal flux for NFW (Navarro, Frenk and White) clump density profile This flux is comparable with maximal limit of GLAST sensitivity

  16. Results

  17. Results

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