搜索结果: 1-15 共查到“原子核物理学 photoproduction”相关记录25条 . 查询时间(0.125 秒)
Normalization discrepancies in photoproduction reactions
photoproduction reactions Normalization discrepancies
2011/7/21
Recent CLAS photoproduction results using a tagged bremsstrahlung photon beam for the ground-state pseudoscalar meson photoproduction channels ($K^+ \Lambda$, $K^+ \Sigma^0$, $\eta p$, $\pi^+ n$ and $...
Low energy ω(\to π^0 γ) meson photoproduction in the nucleus
ω meson photoproduction π0γ invariant mass distribution
2011/7/20
The $\pi^0 \gamma$ invariant mass distribution spectra in the $ (\gamma, \pi^0\gamma) $ reaction were measured by TAPS/ELSA collaboration to look for the hadron parameters of the $\omega$ meson in Nb ...
$η$ photoproduction on the quasi-free nucleons in the chiral quark model
chiral quark model quasi-free nucleons
2011/7/20
A chiral quark-model approach is adopted to study the $\eta$ photoproduction off the quasi-free neutron and proton from a deuteron target. Good descriptions of the differential cross sections, total c...
Low energy ω(\to π^0 γ) meson photoproduction in the nucleus
Low energy meson photoproduction nucleus
2011/7/21
The $\pi^0 \gamma$ invariant mass distribution spectra in the $ (\gamma, \pi^0\gamma) $ reaction were measured by TAPS/ELSA collaboration to look for the hadron parameters of the $\omega$ meson in Nb ...
$η$ photoproduction on the quasi-free nucleons in the chiral quark model
photoproduction quasi-free nucleons chiral quark model
2011/7/21
A chiral quark-model approach is adopted to study the $\eta$ photoproduction off the quasi-free neutron and proton from a deuteron target. Good descriptions of the differential cross sections, total c...
Bayesian Analysis of $C_{x'}$ and $C_{z'}$ Double Polarizations in Kaon Photoproduction
Bayesian Analysis Double Polarizations Kaon Photoproduction
2010/12/29
Have been analyzed the latest experimental data for $\gamma + p \to K^{+} + \Lambda$ reaction of $C_{x'}$ and $C_{z'}$ double polarizations. In theoretical calculation, all of these observables can be...
Near-threshold Photoproduction of Phi Mesons from Deuterium
Near-threshold Photoproduction Phi Mesons Deuterium
2011/1/4
We report the first measurement of the differential cross section on $\phi$-meson photoproduction from deuterium near the production threshold for a proton using the CLAS detector and a tagged-photon ...
Photoproduction of Mesons off Light Nuclei -- the Search for η-Mesic Nuclei
Photoproduction Mesons off Light Nuclei the Search for η-Mesic Nuclei
2011/1/4
Photoproduction of \eta mesons off light nuclei (d, 3He, 7Li) has been measured at the tagged photon beam of the Mainz MAMI accelerator with the combined Crystal Ball/TAPS detection system. Special at...
The nucleon's transversity and the photon's distribution amplitude probed in lepton pair photoproduction
The nucleon's transversity the photon's distribution amplitude probed lepton pair photoproduction
2010/12/29
We describe a new way to access the chiral odd transversity parton distribution in the proton through the photoproduction of lepton pairs on transversely polarized target. The basic ingredient is the ...
The nucleon's transversity and the photon's distribution amplitude probed in lepton pair photoproduction
The nucleon's transversity photon's distribution amplitude probed lepton pair photoproduction
2011/1/5
We describe a new way to access the chiral odd transversity parton distribution in the proton
through the photoproduction of lepton pairs on transversely polarized target. The basic ingredient is the...
We have measured the differential cross section for the $\gamma$$^3$He$\rightarrow \pi^+ t$ reaction. This reaction was studied using the CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab. R...
Primakoff effect in eta-photoproduction off protons
Primakoff effect eta-photoproduction off protons
2010/3/15
We analyse data on forward eta-meson photoproduction off a proton target and extract the eta to gamma gamma decay width utilizing the Primakoff effect. The hadronic amplitude that enters into our anal...
Investigation of the anomaly in η-photoproduction off the neutron
photoproduction eta-meson narrow nucleon resonance
2009/11/24
Quasi-free photoproduction of η-mesons off the neutron and off the proton has been studied using a deuterium target and bremsstrahlung photons produced by MAMI-C with incident energies up to 1.5 GeV...
Photoproduction of mesons off the deuteron: quasifree and coherent processes
quasifree coherent photoproduction η´ π°η neutron proton deuteron
2009/11/24
Photoproduction of mesons off the deuteron has been investigated at a tagged
photon beam of the Bonn ELSA accelerator with the combined Crystal Barrel - TAPS electromagnetic calorimeter for incident...
Precision measurements of strangeness photoproduction at threshold energies with the Crystal Ball at MAMI-C
Crystal Ball Detector strange meson photoproduction
2009/11/24
The photoproduction of K+ mesons from the nucleon provides important constraints on the nucleon excitation spectrum and at threshold energies challenges effective field theories based on chiral pertur...