hks experiment status (e01-011 preparation)

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HKS experiment status (E01-011 Preparation) Osamu Hashimoto Tohoku University Jlab Hall C Meeting January 9, 2002

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HKS experiment status (E01-011 Preparation). Osamu Hashimoto Tohoku University Jlab Hall C Meeting January 9, 2002. Current issues of hypernuclear physics. A new degree of freedom can examine deeply bound states baryon structure in nuclear medium New nuclear structure with strangeness - PowerPoint PPT Presentation

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Page 1: HKS experiment status  (E01-011 Preparation)

HKS experiment status (E01-011 Preparation)

Osamu HashimotoTohoku University

Jlab Hall C MeetingJanuary 9, 2002

Page 2: HKS experiment status  (E01-011 Preparation)

Current issues of hypernuclear physics

• A new degree of freedom– can examine deeply bound states– baryon structure in nuclear medium

• New nuclear structure with strangeness– nucleus with a new quantum number– electromagnetic properties

• Hyperon-nucleon, hyperon-hyperon interaction– Hyperon scattering and hypernuclear

structure– S=-2 system and beyond

high quality(high resolution & high statistics) spectroscopy plays a significant role

Reaction spectroscopy : From MeV to sub-MeV resolution-ray spectroscopy : Larger detection efficiency

Page 3: HKS experiment status  (E01-011 Preparation)

The (e,e’K+) reaction spectroscopy

• New generation hypernuclear spectroscopy

Page 4: HKS experiment status  (E01-011 Preparation)

12C(+,K+)12C spectra

by the SKS spectrometer at KEK 12 GeV PS

E336

2 MeV(FWHM)1.45 MeV(FWHM)

Page 5: HKS experiment status  (E01-011 Preparation)

Hypernuclear mass spectra of 89Y, 139

La and 208Pb

by the (+,K+) reaction

KEK SKS E140a

Page 6: HKS experiment status  (E01-011 Preparation)

A Hyperon in nuclear medium