Carte Hadron Structure in Electroweak Precision Measurements Nathan L. Hall

Hadron Structure in Electroweak Precision Measurements

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Legare: Copertă tare
Disponibilitate: În depozitul extern
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This thesis examines the Z box contribution to the weak charge of the proton. Here, by combining rec...

Informații despre carte

Limbă
engleză
Legare
Carte - Copertă tare
Publicat
2015
Pagini
120
EAN
9783319202204
ISBN
3319202200
Enbook ID
09301171
Greutate
3317
Dimensiuni
155 x 235 x 243

Descriere completă

This thesis examines the Z 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 and Z 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.§§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.§

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