Hadron Structure In Electroweak Precision Measurements (springer Theses)
by Nathan L. Hall /
2015 / English / PDF
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This thesis examines the γZ box contribution to the weak charge
of the proton. Here, by combining recent parity-violating
electron-deuteron scattering data with our current understanding
of parton distribution functions, the author shows that one can
limit this model dependence. The resulting construction is a
robust model of the γγ and γZ structure functions that can also
be used to study a variety of low-energy phenomena. Two such
cases are discussed in this work, namely, the nucleon’s
electromagnetic polarizabilities and quark-hadron duality.
This thesis examines the γZ box contribution to the weak charge
of the proton. Here, by combining recent parity-violating
electron-deuteron scattering data with our current understanding
of parton distribution functions, the author shows that one can
limit this model dependence. The resulting construction is a
robust model of the γγ and γZ structure functions that can also
be used to study a variety of low-energy phenomena. Two such
cases are discussed in this work, namely, the nucleon’s
electromagnetic polarizabilities and quark-hadron duality.
By using phenomenological information to constrain the input
structure functions, this important but previously poorly
understood radiative correction is determined at the kinematics
of the parity-violating experiment, QWEAK, to a degree of
precision more than twice that of the previous best estimate.
By using phenomenological information to constrain the input
structure functions, this important but previously poorly
understood radiative correction is determined at the kinematics
of the parity-violating experiment, QWEAK, to a degree of
precision more than twice that of the previous best estimate.
A detailed investigation into available parametrizations of the
electromagnetic and interference cross-sections indicates that
earlier analyses suffered from the inability to correctly
quantify their model dependence.
A detailed investigation into available parametrizations of the
electromagnetic and interference cross-sections indicates that
earlier analyses suffered from the inability to correctly
quantify their model dependence.
