HYP HRS-HKS

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Hypernuclear Project with HRS-HKS

Experiments

Approved

  • E12-15-008 (40, 48ΛK)
  • E12-20-013 (208ΛTl)

Conditionally Approved

  • C12-19-002 (3, 4ΛH)
  • C12-20-003 (3Λn)

Overview

The experiment is planned to be done with high resolution spectrometers HRS and HKS in JLab Hall A for high precision hypernuclear measurement. Electron beams at 4.24 GeV will be impinged on various targets (3, 4H, 40, 48Ca, 208Pb), and scattered electrons and K+s from the (e,e'K+) reaction will be detected by the spectrometers for missing mass spectroscopy.

Documents

Detetors

DAQ

Target

Theses

  • 2021
    • Katayama_Thesis2020.pdf:
      K. Katayama, "Development of HRS-HKS trigger system with FPGA -High precision measurement of hypernuclei at JLab-",
      Master's Thesis, Kyoto University, Mar 2021 (in Japanese).
    • Toyoda_Thesis2020.pdf:
      T. Toyoda, "Basic design of gas target for high accuracy mass measurement of hypertriton at JLab",
      Master's Thesis, Kyoto University, Mar 2021 (in Japanese).
    • T. Akiyama, "",
      Master's Thesis, Tohoku University, Mar 2021 (in Japanese).
    • K. Okuyama, "",
      Master's Thesis, Tohoku University, Mar 2021 (in Japanese).

Meetings

Publications

  • T. Gogami et al., "Accurate Λ hypernuclear spectroscopy with electromagnetic probe at Jefferson Lab", AIP Conference Proceedings 2319, 080019 (2021) [1]

Presentations

2021

JPS Annual Meeting (Online, 12-15 Mar, 2021)

  • K.N. Suzuki, "Cross section measurement of the 3H(e,e'K+)nnΛ reaction at JLab", Mar 12, 2021 (PDF)
  • K. Okuyama
  • T. Akiyama
  • K. Katayama
  • Y.R. Nakamura

HIN2020 (Online+Kyoto(Japan), 8-10 Mar, 2021)

http://www2.yukawa.kyoto-u.ac.jp/~hin2020/

  • J. Renhold, "The future hypernuclear program at Jefferson Lab", Mar 10, 2021

APFB2020 (Online+Kanazawa(Japan), 1-5 Mar, 2021)

http://www.rcnp.osaka-u.ac.jp/Divisions/np1-a/apfb2020/

  • K. Katayama, "Trigger system development for the accurate BΛ measurement of Lambda hypertriton at JLab"
  • K. Itabashi, "Study of the nnΛ state and Λn interaction at Jefferson Lab"
  • T. Gogami, "Lambda hypertriton binding energy measurement at Jefferson Lab", Mar 2, 2021 (PDF)

Hall A Winter Collaboration Meeting (Online, Jan 21-22, 2021)

  • B. Pandey, "", Jan 21, 2021
  • T. Gogami, "Future hypernuclear experiments with HKS", Jan 22, 2021 (PDF)

Links