Kaon transverse charge density from space- and timelike data

Abstract

We used the world data on the kaon form factor to extract the transverse kaon charge density using a dispersion integral of the imaginary part of the kaon form factor in the timelike region. Our analysis includes recent data from $e^{+}{e}^{-}$ annihiliation measurements extending the kinematic reach of the data into the region of high momentum transfers conjugate to the region of short transverse distances. To calculate the transverse density we created a superset of both timelike and spacelike data and developed an empirical parameterization of the kaon form factor. The spacelike set includes two new data points we extracted from existing cross section data. We estimate the uncertainty on the resulting transverse density to be 5\% at $b$=0.025 fm and significantly better at large distances. New kaon data planned with the 12 GeV Jefferson Lab may have a significant impact on the charge density at distances of $b<$ 0.1fm.

References in corpus (36)

• Generalized Parton Distributions
• Unraveling hadron structure with generalized parton distributions
• Hard Exclusive Reactions and the Structure of Hadrons
• Scaling Limit of Deeply Virtual Compton Scattering
• Asymmetric Gluon Distributions and Hard Diffractive Electroproduction
• Measurement of the Charged Pion Electromagnetic Form Factor
• Charge Density of the Neutron
• Determination of the Charged Pion Form Factor at Q2=1.60 and 2.45 (GeV/c)2
• Charged pion form factor between Q^2=0.60 and 2.45 GeV^2. II. Determination of, and results for, the pion form factor
• Determination of the pion charge form factor for Q^2=0.60-1.60 GeV^2
• Pion electromagnetic form factor at spacelike momenta
• The pion: an enigma within the Standard Model
• Transverse Charge Densities
• Precision Measurements of the Timelike Electromagnetic Form Factors of Pion, Kaon, and Proton
• Charged pion form factor between $Q^2$=0.60 and 2.45 GeV${}^2$. I. Measurements of the cross section for the ${}^1$H($e,e^{\prime }{\pi }^{+}$)$n$ reaction
• Pion form factor in QCD: From nonlocal condensates to NLO analytic perturbation theory
• Modeling the Pion and Kaon Form Factors in the Timelike Region
• Electromagnetic Form Factors of Charged and Neutral Kaons
• Measurements of the parameters of the $\varphi (1020)$ resonance through studies of the processes $e^{+}{e}^{-}\to K^{+}{K}^{-}$, $K_S{K}_L$ and ${\pi }^{+}{\pi }^{-}{\pi }^0$
• Valence-quark distribution functions in the kaon and pion
• Realistic Transverse Images of the Proton Charge and Magnetic Densities
• Scaling study of the pion electroproduction cross sections and the pion form factor
• High Precision Measurements of the Form Factors of Pion, Kaon, and Proton at Large Timelike Momentum Transfers
• Separation of the Longitudinal and Transverse Cross Sections in the p(ee'K)Lambda and p(ee'K)Sigma Reactions
• Exposing strangeness: projections for kaon electromagnetic form factors
• Singular Charge Density at the Center of the Pion?
• Study of the Process $e^{+}{e}^{-}\to K_L^0{K}_S^0$ in the C.M.Energy Range 1.05-1.38 GeV with CMD-2
• Pion form factor in large $N_c$ QCD
• Quantifying the nucleon's pion cloud with transverse charge densities
• Pion transverse charge density from timelike form factor data
• Cross sections and Rosenbluth separations in 1H(e, e'K+)Lambda up to Q2=2.35 GeV2
• The neutron negative central charge density: an inclusive-exclusive connection
• Study of the Process e+ e- --> pi0 pi0 gamma in c.m. Energy Range 600--970 MeV at CMD-2
• Realizing vector meson dominance with transverse charge densities
• Pion transverse charge density and the edge of hadrons
• Neutron Charge Density from Simple Pion Cloud Models

Cited by in corpus (3)

• Insights into the Emergence of Mass from Studies of Pion and Kaon Structure
• Separated Kaon Electroproduction Cross Section and the Kaon Form Factor from 6 GeV JLab Data
• Two-dimensional charge distributions of the $\Delta$ baryon: Interpolation between the nonrelativistic and ultrarelativistic limit