Direct Detection Signals from Absorption of Fermionic Dark Matter - - PowerPoint PPT Presentation

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Direct Detection Signals from Absorption of Fermionic Dark Matter - - PowerPoint PPT Presentation

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Direct Detection Signals from Absorption of Fermionic Dark Matter J. A. Dror, G. Elor, Robert McGehee 1905.12635, 1908.XXXXX DPF 2019, 8/1/2019 Disclaimer Youre probably tiredits Day 4, after Lunch My promises to you: This

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Direct Detection Signals from Absorption of Fermionic Dark Matter

  • J. A. Dror, G. Elor, Robert McGehee

1905.12635, 1908.XXXXX DPF 2019, 8/1/2019

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Disclaimer

You’re probably tired…it’s Day 4, after Lunch… My promises to you:

  • This slide has by far the most text (besides the summary).
  • I’ll start my talk with story time!
  • There’s not a single equation!
  • I’ve hidden a picture of Einstein!

Robert McGehee

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Fermionic “Absorption”

χ N,𝑓− ν N,𝑓−

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Fermionic “Absorption”

χ N,𝑓− ν χ N 𝑓± N’ N,𝑓−

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Fermionic “Absorption”

χ N ν N χ N 𝑓− N’

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“Neutral Current” Kinematics

χ N ν N

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Preliminary

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Preliminary

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1905.12635 Robert McGehee

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“Charged Current” Induced β− Decays

χ N 𝑓− N’

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  • 𝑓−!
  • NR!
  • γ!
  • N’ Decay!
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Summary

Relaxing DM stability assumptions allows for novel signals and operators. Neutral current operators yield peaked, correlated nuclear recoil (NR) signals. Charged current operators yield β−, NR, and γ signals. New searches at existing experiments can probe both neutral and charged current operators. Fermionic DM absorption is an exciting playground for both experiments and model building!

Robert McGehee

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Backup Slides

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Preliminary

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Preliminary

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