Measurement of nuclear transparencies from exclusive $\rho^0$ meson production in muon - nucleus scattering at 470-GeV

The E665 collaboration Adams, M.R. ; Aid, S. ; Anthony, P.L. ; et al.
Phys.Rev.Lett. 74 (1995) 1525-1529, 1995.
Inspire Record 379818 DOI 10.17182/hepdata.42484

Nuclear transparencies measured in exclusive incoherent ρ0 meson production from hydrogen, deuterium, carbon, calcium, and lead in muon-nucleus scattering are reported. The data were obtained with the E665 spectrometer using the Fermilab Tevatron muon beam with a mean beam energy of 470 GeV. Increases in the nuclear transparencies are observed as the virtuality of the photon increases, in qualitative agreement with the expectations of color transparency.

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Extraction of the ratio $F2_n / F2_p$ from muon - deuteron and muon - proton scattering at small $x$ and Q**2

The E665 collaboration Adams, M.R. ; Aid, S. ; Anthony, P.L. ; et al.
Phys.Rev.Lett. 75 (1995) 1466-1470, 1995.
Inspire Record 393866 DOI 10.17182/hepdata.42379
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Proton and deuteron structure functions in muon scattering at 470-GeV

The E665 collaboration Adams, M.R. ; Aid, S. ; Anthony, P.L. ; et al.
Phys.Rev. D54 (1996) 3006-3056, 1996.
Inspire Record 416076 DOI 10.17182/hepdata.42347
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Nuclear decay following deep inelastic scattering of 470-GeV muons

The E665 collaboration Adams, M.R. ; Aid, S. ; Anthony, P.L. ; et al.
Phys.Rev.Lett. 74 (1995) 5198-5201, 1995.
Inspire Record 404381 DOI 10.17182/hepdata.19632

We detected 1–10 MeV neutrons at laboratory angles from 80° to 140° in coincidence with 470 GeV muons deep inelastically scattered from H, D, C, Ca, and Pb targets. The neutron energy spectrum for Pb can be fitted with two components with temperature parameters of 0.7 and 5.0 MeV. The average neutron multiplicity for 40<ν<400 GeV is about 5 for Pb, and less than 2 for Ca and C. These data are consistent with a process in which the emitted hadrons do not interact with the rest of the nucleus within distances smaller than the radius of Ca, but do interact within distances on the order of the radius of Pb in the measured kinematic range. For all targets the lack of high nuclear excitation is surprising.

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