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Technical supplement to “Polarization transfer observables in elastic electron-proton scattering at <math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll" id="d1e8233" altimg="si8.gif" class="math"><msup><mrow><mi>Q</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>=</mo><mn>2</mn><mo>.</mo><mn>5</mn><mo>,</mo><mn>5</mn><mo>.</mo><mn>2</mn><mo>,</mo><mn>6</mn><mo>.</mo><mn>8</mn></math> and <math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll" id="d1e8268" altimg="si9.gif" class="math"><mn>8</mn><mo>.</mo><mn>5</mn><mspace width="1em" class="nbsp"></mspace><msup><mrow><mi mathvariant="normal">GeV</mi></mrow><mrow><mn>2</mn></mrow></msup></math>”

Author:
A.J.R. Puckett  E.J. Brash  M.K. Jones  W. Luo  M. Meziane  L. Pentchev  C.F. Perdrisat  V. Punjabi  F.R. Wesselmann  A. Afanasev  A. Ahmidouch  I. Albayrak  K.A. Aniol  J. Arrington  A. Asaturyan  H. Baghdasaryan  F. Benmokhtar  W. Bertozzi  L. Bimbot  P. Bosted  


Journal:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment


Issue Date:
2018


Abstract(summary):

Abstract The GEp-III and GEp-2 γ experiments, carried out in Jefferson Lab’s Hall C from 2007–2008, consisted of measurements of polarization transfer in elastic electron–proton scattering at momentum transfers of Q 2 = 2 . 5 , 5 . 2 , 6 . 8 , and 8.54 GeV 2 . These measurements were carried out to improve knowledge of the proton electromagnetic form factor ratio R = μ p G E p ∕ G M p at large values of Q 2 and to search for effects beyond the Born approximation in polarization transfer observables at Q 2 = 2 . 5 GeV 2 . The final results of both experiments were reported in a recent archival publication. A full reanalysis of the data from both experiments was carried out in order to reduce the systematic and, for the GEp-2 γ experiment, statistical uncertainties. This technical note provides additional details of the final analysis omitted from the main publication, including the final evaluation of the systematic uncertainties.


Page:
54-54


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