Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Sigma-nucleus potential in A=28.

H Noumi1, P K Saha, D Abe

  • 1High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan.

Physical Review Letters
|August 23, 2002
PubMed
Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Absolute Energy Calibration of X-ray TESs with 0.04 eV Uncertainty at 6.4 keV in a Hadron-Beam Environment.

Journal of low temperature physics·2024
Same author

Relationship between the type of hormone replacement therapy and incidence of breast cancer in Korea.

Climacteric : the journal of the International Menopause Society·2022
Same author

Engineering the porosity and acidity of H-Beta zeolite by dealumination for the production of 2-ethylanthraquinone <i>via</i> 2-(4'-ethylbenzoyl)benzoic acid dehydration.

RSC advances·2022
Same author

Measurements of Strong-Interaction Effects in Kaonic-Helium Isotopes at Sub-eV Precision with X-Ray Microcalorimeters.

Physical review letters·2022
Same author

Precise Measurement of Differential Cross Sections of the Σ^{-}p→Λn Reaction in Momentum Range 470-650  MeV/c.

Physical review letters·2022
Same author

[Iliac compartment hematoma after emergency PCI: a case report].

Zhonghua xin xue guan bing za zhi·2021
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles
This summary is machine-generated.

We studied the pi(-),K+ reaction to understand the sigma-nucleus potential. Results show a repulsive potential is needed to explain the observed spectrum.

Area of Science:

  • Nuclear Physics
  • Particle Physics

Background:

  • Investigating the sigma-nucleus potential is crucial for understanding hypernuclear structure.
  • Previous studies have provided limited data on the sigma-nucleus interaction.

Purpose of the Study:

  • To experimentally determine the properties of the sigma-nucleus potential.
  • To probe the interaction between sigma hyperons and nuclei.

Main Methods:

  • The (pi(-),K+) reaction was studied using a silicon target.
  • Inclusive spectra were measured with a beam momentum of 1.2 GeV/c.
  • High energy resolution (3.3 MeV FWHM) was achieved using the superconducting kaon spectrometer system.

Main Results:

  • The inclusive spectrum was compared with theoretical calculations.

Related Experiment Videos

  • Distorted-wave impulse approximation (DWIA) was employed for theoretical analysis.
  • A strongly repulsive sigma-nucleus potential with a nonzero imaginary part was found to reproduce the observed spectrum.

    • Conclusions:

    • The sigma-nucleus potential is strongly repulsive.
    • The imaginary part of the sigma-nucleus potential is non-zero, indicating absorption or other complex interactions.
    • This study provides important constraints for theoretical models of hypernuclei.