Hadron Structure in Electroweak Precision Measurements
(Sprache: Englisch)
This thesis examines the GammaZ 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...
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This thesis examines the GammaZ 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 GammaGamma and GammaZ 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.
Inhaltsverzeichnis zu „Hadron Structure in Electroweak Precision Measurements “
Introduction.- The Standard Model and beyond.- Precision tests of the SM.- Structure functions.- Adelaide-Jefferson Lab-Manitoba model.- The GammaZ box corrections.- Electric and magnetic polarizabilities of the proton.- Quark-hadron duality.- Summary and conclusion.
Bibliographische Angaben
- Autor: Nathan L. Hall
- 2016, Softcover reprint of the original 1st ed. 2016, XIV, 120 Seiten, 29 farbige Abbildungen, Masse: 15,7 x 23,6 cm, Kartoniert (TB), Englisch
- Verlag: Springer, Berlin
- ISBN-10: 3319369938
- ISBN-13: 9783319369938
Sprache:
Englisch
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