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arxiv: 1908.01802 · v2 · pith:RVPZXMF2new · submitted 2019-08-05 · ✦ hep-ex · hep-ph· nucl-ex

Measurement of the cross sections for inclusive electron scattering in the E12-14-012 experiment at Jefferson Lab

M. Murphy , H. Dai , L. Gu , D. Abrams , A. M. Ankowski , B. Aljawrneh , S. Alsalmi , J. Bane
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S. Barcus O. Benhar V. Bellini J. Bericic D. Biswas A. Camsonne J. Castellanos J.-P. Chen M. E. Christy K. Craycraft R. Cruz-Torres D. Day S.-C. Dusa E. Fuchey T. Gautam C. Giusti J. Gomez C. Gu T. Hague J.-O. Hansen F. Hauenstein D. W. Higinbotham C. Hyde C. M. Jen C. Keppel S. Li R. Lindgren H. Liu C. Mariani R. E. McClellan D. Meekins R. Michaels M. Mihovilovic D. Nguyen M. Nycz L. Ou B. Pandey V. Pandey K. Park G. Perera A. J. R. Puckett S. N. Santiesteban S. \v{S}irca T. Su L. Tang Y. Tian N. Ton B. Wojtsekhowski S. Wood Z. Ye J. Zhang
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classification ✦ hep-ex hep-phnucl-ex
keywords crossscatteringdatainclusivesectionstargetscollecteddouble-differential
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The E12-14-012 experiment performed at Jefferson Lab Hall A has collected inclusive electron-scattering data for different targets at the kinematics corresponding to beam energy 2.222 GeV and scattering angle 15.54 deg. Here we present a comprehensive analysis of the collected data and compare the double-differential cross sections for inclusive scattering of electrons, extracted using solid targets (aluminum, carbon, and titanium) and a closed argon-gas cell. The data extend over broad range of energy transfer, where quasielastic interaction, Delta-resonance excitation, and inelastic scattering yield contributions to the cross section. The double-differential cross sections are reported with high precision (~3%) for all targets over the covered kinematic range.

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