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Strangeness and Charge Symmetry Violation in Nucleon Structure: Springer Theses

Autor Phiala Elisabeth Shanahan
en Limba Engleză Hardback – 27 mai 2016
This thesis discusses two key topics: strangeness and charge symmetry violation (CSV) in the nucleon. It also provides a pedagogical introduction to chiral effective field theory tailored to the high-precision era of lattice quantum chromodynamics (QCD). Because the nucleon has zero net strangeness, strange observables give tremendous insight into the nature of the vacuum; they can only arise through quantum fluctuations in which strange–antistrange quark pairs are generated. As a result, the precise values of these quantities within QCD are important in physics arenas as diverse as precision tests of QCD, searches for physics beyond the Standard Model, and the interpretation of dark matter direct-detection experiments. Similarly, the precise knowledge of CSV observables has, with increasing experimental precision, become essential to the interpretation of many searches for physics beyond the Standard Model. In this thesis, the numerical lattice gauge theory approach to QCD is combined with the chiral perturbation theory formalism to determine strange and CSV quantities in a diverse range of observables including the octet baryon masses, sigma terms, electromagnetic form factors, and parton distribution functions. This thesis builds a comprehensive and coherent picture of the current status of understanding of strangeness and charge symmetry violation in the nucleon.
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Specificații

ISBN-13: 9783319314372
ISBN-10: 3319314378
Pagini: 213
Ilustrații: XV, 213 p. 58 illus., 19 illus. in color.
Dimensiuni: 155 x 235 x 14 mm
Greutate: 0.5 kg
Ediția:1st ed. 2016
Editura: Springer International Publishing
Colecția Springer
Seria Springer Theses

Locul publicării:Cham, Switzerland

Cuprins

Introduction.- Quantum Chromodynamics.- Chiral Perturbation Theory.- Octet Baryon Mass Splittings.- Sigma Commutators.- Parton Distribution Moments.- Electromagnetic Form Factors.- Summary and Outlook.

Notă biografică

Dr. Phiala Shanahan graduated from the University of Adelaide in Australia in 2011 with a Bachelor of Science in High Performance Computational Physics with 1st class honors, the University Medal, and the Australian Institute of Physics Bragg Medal. Dr. Shanahan’s doctoral work, completed under the supervision of Professor Anthony Thomas and Dr. Ross Young, won the Centre for the Subatomic Structure of Matter doctoral prize, as well as the university prize for the best thesis in the faculty of sciences. In 2015, Dr. Shanahan began a postdoctoral appointment at the Massachusetts Institute of Technology in the United States.

Textul de pe ultima copertă

This thesis discusses two key topics: strangeness and charge symmetry violation (CSV) in the nucleon. It also provides a pedagogical introduction to chiral effective field theory tailored to the high-precision era of lattice quantum chromodynamics (QCD). Because the nucleon has zero net strangeness, strange observables give tremendous insight into the nature of the vacuum; they can only arise through quantum fluctuations in which strange–antistrange quark pairs are generated. As a result, the precise values of these quantities within QCD are important in physics arenas as diverse as precision tests of QCD, searches for physics beyond the Standard Model, and the interpretation of dark matter direct-detection experiments. Similarly, the precise knowledge of CSV observables has, with increasing experimental precision, become essential to the interpretation of many searches for physics beyond the Standard Model. In this thesis, the numerical lattice gauge theory approach to QCD is combinedwith the chiral perturbation theory formalism to determine strange and CSV quantities in a diverse range of observables including the octet baryon masses, sigma terms, electromagnetic form factors, and parton distribution functions. This thesis builds a comprehensive and coherent picture of the current status of understanding of strangeness and charge symmetry violation in the nucleon.

Caracteristici

as an outstanding Ph.D. thesis by the University of Adelaide, Australia a pedagogical introduction to chiral effective field theory tailored to the high-precision era of lattice quantum chromodynamics (QCD) Presentsa comprehensive description of our current understanding ofstrangeness and charge symmetry violation in nucleon observables as determinedby lattice QCD Includes supplementary material: sn.pub/extras