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Saturation of shadowing at very low x(Bj)

The E665 collaboration Adams, M.R. ; Aid, S. ; Anthony, P.L. ; et al.
Phys.Rev.Lett. 68 (1992) 3266-3269, 1992.
Inspire Record 333894 DOI 10.17182/hepdata.19864

The ratio of cross sections for inelastic muon scattering on xenon and deuterium nuclei was measured at very low Bjorken x (0.000 02<xBj<0.25). The data were taken at Fermilab experiment E-665 with a 490 GeV/c muon beam incident on liquid deuterium and gaseous xenon targets. Two largely independent analysis techniques gave statistically consistent results. The xenon-to-deterium per-nucleon cross-section ratio is constant at approximately 0.7 for xBj below 0.003.

2 data tables
Table 1

Data using Electromagnetic Cuts.

Table 2

Data using Hadron Requirement.


Shadowing in the muon-xenon inelastic scattering cross-section at 490-GeV

The Fermilab E665 collaboration Adams, M.R. ; Aid, S. ; Anthony, P.L. ; et al.
Phys.Lett.B 287 (1992) 375-380, 1992.
Inspire Record 341389 DOI 10.17182/hepdata.29153

Inelastic scattering of 490 GeV μ + from deuterium and xenon nuclei has been studied for x Bj > s .001. The ratio of the xenon/deuterium cross section per nucleon is observed to vary with x Bj , with a depletion in the kinematic range 0.001 < x Bj < 0.025 which exhibits no significant Q 2 dependence. An electromagnetic calorimeter was used to verify the radiative corrections.

2 data tables
Table 1

Xenon structure function parameterized as being equal to the DEUT structurefunction.

Table 2

Xenon structure function parameterized by an x-dependent shadowing factor times the DEUT structure function.