Empirical Fit to Precision Inclusive Electron-Proton Cross Sections in the Resonance Region

Journal Article · Sat May 01 04:00:00 EDT 2010 · Physical Review C

DOI:https://doi.org/10.1103/PhysRevC.81.055213· OSTI ID:921902

Christy, M E; Bosted, Peter

An empirical fit is described to measurements of inclusive inelastic electron-proton cross sections in the kinematic range of four-momentum transfer $$0 \le Q^2<8$$ GeV$^2$ and final state invariant mass $1.1<3.1$ GeV. The fit is constrained by the recent high precision longitudinal and transverse (L/T) separated cross section measurements from Jefferson Lab Hall C, un-separated Hall C measurements up to $Q^2$ $$\approx 7.5$$ $${\rm GeV}^2$$, and photoproduction data at $Q^2 = 0$. Compared to previous fits, the present fit covers a wider kinematic range, fits both transverse and longitudinal cross sections, and features smooth transitions to the photoproduction data at $Q^2=0$ and DIS data at high $Q^2$ and $$W$$.

• Research Organization: Thomas Jefferson National Accelerator Facility, Newport News, VA
• Sponsoring Organization: USDOE - Office of Science (SC)
• DOE Contract Number: AC05-06OR23177
• OSTI ID: 921902
• Report Number(s): JLAB-PHY-08-02; DOE/OR/23177-0272; arXiv:0712.3731
• Journal Information: Physical Review C, Journal Name: Physical Review C Journal Issue: 05 Vol. 81
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CROSS SECTIONS
ELECTRONS
FOUR MOMENTUM TRANSFER
INCLUSIVE INTERACTIONS
PARTICLE KINEMATICS
PHOTOPRODUCTION
PROTONS
RESONANCE