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Showing 1 to 3 of 3 for “"Spectator protons"”.
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Test of New Readout Electronics for the BONuS12 Experiment
… a RTPC capable of detecting the low-momentum spectator protons near the target. Events of electrons scattering on almost free neutrons are selected by constraining the spectator protons to very low momenta and very backward scattering angles. In 2005, BONuS successfully measured the neutron …
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Neutron Structure Functions Measured with Spectator Tagging
… Jefferson Lab addressed this problem by tagging spectator protons in coincidence with inelastic electron scattering from deuterium. A novel compact radial time projection chamber was built to detect low-momentum, backward moving protons, ensuring that the scattering took place on a loosely bound …
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Spectator Proton Detection and Reconstruction in Deep Inelastic <i>D(E,EP<sub>S</sub>)</i> Scattering
… the new RTPC was used to detect low- momentum spectator protons. Protons follow a curved path in the 5 Tesla solenoid that is part of CLAS12, ionizing the He-CO2 gas in an annular drift region surrounding the target. These ionization electrons are radially drifted outwards, amplified using …