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Träfflista för sökning "WFRF:(Middleton K. F.) srt2:(2020-2024)"

Sökning: WFRF:(Middleton K. F.) > (2020-2024)

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  • Niemi, MEK, et al. (författare)
  • 2021
  • swepub:Mat__t
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  • Antel, C., et al. (författare)
  • Feebly-interacting particles : FIPs 2022 Workshop Report
  • 2023
  • Ingår i: European Physical Journal C. - : Springer. - 1434-6044 .- 1434-6052. ; 83:12
  • Forskningsöversikt (refereegranskat)abstract
    • Particle physics today faces the challenge of explaining the mystery of dark matter, the origin of matter over anti-matter in the Universe, the origin of the neutrino masses, the apparent fine-tuning of the electro-weak scale, and many other aspects of fundamental physics. Perhaps the most striking frontier to emerge in the search for answers involves new physics at mass scales comparable to familiar matter, below the GeV-scale, or even radically below, down to sub-eV scales, and with very feeble interaction strength. New theoretical ideas to address dark matter and other fundamental questions predict such feebly interacting particles (FIPs) at these scales, and indeed, existing data provide numerous hints for such possibility. A vibrant experimental program to discover such physics is under way, guided by a systematic theoretical approach firmly grounded on the underlying principles of the Standard Model. This document represents the report of the FIPs 2022 workshop, held at CERN between the 17 and 21 October 2022 and aims to give an overview of these efforts, their motivations, and the decadal goals that animate the community involved in the search for FIPs.
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  • Strandberg, B., et al. (författare)
  • Near-threshold π-photoproduction on the deuteron
  • 2020
  • Ingår i: Physical Review C. - 2469-9985. ; 101:3
  • Tidskriftsartikel (refereegranskat)abstract
    • The first experimental investigation of the near-threshold cross section for incoherent π-photoproduction on the deuteron γd→π-pp is presented. The experimental technique involved detection of the ≈131 MeV γ ray resulting from the radiative capture of photoproduced π-in the target. The total cross section was measured using an unpolarized tagged-photon beam, a liquid-deuterium target, and three very large NaI(Tl) spectrometers. The data are compared to theoretical models that give insight into the elementary reaction γn→π-p and pion-nucleon and nucleon-nucleon final-state interactions.
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  • Resultat 1-10 av 14

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