Calculating the pion contribution to nucleon self-energy using chiral effective thermal field theory

Calculating the pion contribution to nucleon self-energy using chiral effective thermal field theory

This Thesis is submitted in a partial fulfillment of the requirements for the degree of Bachelor of Science in Physics, 2016

Bibliografske podrobnosti
Glavni avtor: Mahbub, Rafid
Drugi avtorji: Momen, Arshad
Format: Thesis
Jezik:English
Izdano: BRAC University 2017
Teme:
Pion contribution
Nucleon self-energy
Thermal field theory
Online dostop:http://hdl.handle.net/10361/7891
id 10361-7891
record_format dspace
spelling 10361-78912019-09-30T03:23:33Z Calculating the pion contribution to nucleon self-energy using chiral effective thermal field theory Mahbub, Rafid Momen, Arshad Department of Mathematics and Natural Sciences, BRAC University Pion contribution Nucleon self-energy Thermal field theory This Thesis is submitted in a partial fulfillment of the requirements for the degree of Bachelor of Science in Physics, 2016 Cataloged from PDF version of internship report. Includes bibliographical references (page 48-49). Effective field theories have proven to be efficient tools for studying physics at length scales longer than that which is typical. Chiral Perturbation Theory is one of these EFTs which physicists rely on heavily to study low energy QCD processes. The primary objective of this thesis is to calculate the nucleon self-energy which arises from the one-pion exchange. Chiral symmetries and spontaneous symmetry breaking schemes are discussed along with the emergence of pions as pseudo-Nambu-Goldstone bosons. Using the nonlinear σmodel, a chiral effective pion-nucleon Lagrangian is derived, which contains the necessary information to produce the nucleon self-energy diagram to the lowest order. In this work, the nucleon self-energy is evaluated using a somewhat simplistic numerical implementation and compared with the result from another source. It is seen that Σ(p) increases with momentum p, however, with large deviations from what should be expected due to the rudimentary computational methods used. Rafid Mahbub B. Science in Physics 2017-03-13T05:13:46Z 2017-03-13T05:13:46Z 2016 2016 Thesis ID 11311001 http://hdl.handle.net/10361/7891 en BRAC University Thesis are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. 49 pages application/pdf BRAC University
institution Brac University
collection Institutional Repository
language English
topic Pion contribution
Nucleon self-energy
Thermal field theory
spellingShingle Pion contribution
Nucleon self-energy
Thermal field theory
Mahbub, Rafid
Calculating the pion contribution to nucleon self-energy using chiral effective thermal field theory
description This Thesis is submitted in a partial fulfillment of the requirements for the degree of Bachelor of Science in Physics, 2016
author2 Momen, Arshad
author_facet Momen, Arshad
Mahbub, Rafid
format Thesis
author Mahbub, Rafid
author_sort Mahbub, Rafid
title Calculating the pion contribution to nucleon self-energy using chiral effective thermal field theory
title_short Calculating the pion contribution to nucleon self-energy using chiral effective thermal field theory
title_full Calculating the pion contribution to nucleon self-energy using chiral effective thermal field theory
title_fullStr Calculating the pion contribution to nucleon self-energy using chiral effective thermal field theory
title_full_unstemmed Calculating the pion contribution to nucleon self-energy using chiral effective thermal field theory
title_sort calculating the pion contribution to nucleon self-energy using chiral effective thermal field theory
publisher BRAC University
publishDate 2017
url http://hdl.handle.net/10361/7891
work_keys_str_mv AT mahbubrafid calculatingthepioncontributiontonucleonselfenergyusingchiraleffectivethermalfieldtheory
_version_ 1814307853754695680

Podobne knjige/članki