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

Near-threshold diffractive psi-meson photoproduction from the proton.

T Mibe1, W C Chang, T Nakano

  • 1Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan.

Physical Review Letters
|December 31, 2005
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

[The influence of two-way referral model on treatment and prognosis of patients with chronic heart failure].

Zhonghua xin xue guan bing za zhi·2025
Same author

Final Results of the Majorana Demonstrator's Search for Double-Beta Decay of ^{76}Ge to Excited States of ^{76}Se.

Physical review letters·2025
Same author

Isospin Symmetry Breaking in the ^{71}Kr and ^{71}Br Mirror System.

Physical review letters·2025
Same author

R(3780) Resonance Interpreted as the 1^{3}D_{1}-Wave Dominant State of Charmonium from Precise Measurements of the Cross Section of e^{+}e^{-}→Hadrons.

Physical review letters·2025
Same author

Photosystem II efficiency in response to diurnal and seasonal variations in photon flux density and air temperature for green, yellow-green, and purple-leaved cultivars of sweet potato [<i>Ipomoea batatas</i> (L.) Lam].

Photosynthetica·2024
Same author

Precise Measurement of Born Cross Sections for e^{+}e^{-}→DD[over ¯] at sqrt[s]=3.80-4.95  GeV.

Physical review letters·2024

Investigating phi meson photoproduction on protons reveals a distinct peak in cross-sections around 2.0 GeV. This finding suggests helicity-conserving processes dominate, not unnatural-parity interactions, in this low-energy photonuclear reaction.

Area of Science:

  • Nuclear Physics
  • Particle Physics
  • High-Energy Physics

Background:

  • The study focuses on the photoproduction of phi mesons, which are vector mesons, on proton targets.
  • Understanding these interactions is crucial for probing the structure of hadrons and the nature of fundamental forces.

Purpose of the Study:

  • To investigate the photoproduction of phi mesons on protons using linearly polarized photons.
  • To analyze the differential cross sections and angular distributions in the low-energy region (threshold to 2.37 GeV).
  • To determine the underlying mechanisms, particularly the role of helicity conservation and parity processes.

Main Methods:

  • Experiments were conducted using linearly polarized photons.
  • Measurements focused on forward angles and the energy range from the reaction threshold up to 2.37 GeV.

Related Experiment Videos

  • Differential cross sections and angular distributions were analyzed.

    • Main Results:

    • The differential cross sections at t = -|t|min exhibited a local maximum around 2.0 GeV, deviating from a smooth increase.
    • Angular distribution analysis indicated that phi meson photoproduction is predominantly governed by helicity-conserving processes.
    • The observed local maximum is unlikely to be attributed to unnatural-parity processes.

    Conclusions:

    • The photoproduction of phi mesons on protons shows a significant energy dependence with a notable peak.
    • Helicity conservation appears to be the dominant mechanism in this low-energy regime.
    • Unnatural-parity processes are not the primary cause of the observed resonance-like structure.