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28 March 2024
 
  » arxiv » 0812.2144

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Inclusive electron scattering from nuclei in the quasielastic region at large momentum transfer
Nadia Fomin ;
Date 10 Dec 2008
AbstractExperiment E02-019, performed in Hall C at the Thomas Jefferson National Accelerator Facility (TJNAF), was a measurement of inclusive electron cross sections for several nuclei ($^{2}$H,$^{3}$He, $^{4}$He, $^{9}$Be,$^{12}$C, $^{63}$Cu, and $^{197}$Au) in the quasielastic region at high momentum transfer.
In the region of low energy transfer, the cross sections were analyzed in terms of the reduced response, F(y), by examining its $y$-scaling behavior. The data were also examined in terms of the nuclear structure function $ u W_2^A$ and its behavior in $x$ and the Nachtmann variable $xi$. The data show approximate scaling of $ u W_2^A$ in $xi$ for all targets at all kinematics, unlike scaling in $x$, which is confined to the DIS regime. However, $y$-scaling observations are limited to the kinematic region dominated by the quasielastic response ({$y<$0}), where some scaling violations arising from FSIs are observed.
Source arXiv, 0812.2144
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