• JoomlaWorks Simple Image Rotator
  • JoomlaWorks Simple Image Rotator
  • JoomlaWorks Simple Image Rotator
  • JoomlaWorks Simple Image Rotator
  • JoomlaWorks Simple Image Rotator
  • JoomlaWorks Simple Image Rotator
  • JoomlaWorks Simple Image Rotator
  • JoomlaWorks Simple Image Rotator
  • JoomlaWorks Simple Image Rotator
  • JoomlaWorks Simple Image Rotator
 
  Bookmark and Share
 
 
Master's Dissertation
DOI
https://doi.org/10.11606/D.43.2013.tde-27112014-131602
Document
Author
Full name
Samuel Mendes Sanches Junior
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2013
Supervisor
Committee
Navarra, Fernando Silveira (President)
Higa, Renato
Krein, Gastão Inácio
Title in Portuguese
Correções da massa do alvo nas funções de estrutura
Keywords in Portuguese
Estrutura do nucleon
Fenomenologia
Física de partículas
Abstract in Portuguese
Neste trabalho estudamos a estrutura do nucleon para grande x de Bjorken e pequeno Q2. Nesta região é preciso considerar correções nas funções de estrutura, de origem cinemática e dinâmica. Nos concentramos nas correções de origem cinemática, para as funções de estrutura não polarizadas, que surgem devido a massa do nucleon (mp) ser finita, essa correção é comumente chamada de Correções da Massa do Alvo (TMC). Revisamos a abordagem tradicionalmente utilizada e fizemos uma análise do problema inerente que se tem ao utilizar este tratamento (inclusão de regiões não físicas x > 1), verificando a existência de uma inconsistência nesse método. Nossa solução para evitarmos este problema foi realizar uma expansão nas funções de estrutura com TMC ordem por ordem em m2 p=Q2, estudando numericamente a convergência da serie obtida. Desta forma evitamos o problema da abordagem tradicional.
Title in English
Target mass corrections in structure functions
Keywords in English
Nucleon structure
Particle physics
Abstract in English
In this work we study the nucleon structure for large Bjorken x and low Q2. In such region is necessary to consider corrections on the structure functions, with by using kinematics and dynamics origins. We focus our study in the corrections of kinematic origin, for non-polarized structure functions, which cames from the nite nucleon mass (mp) and it is generally known by Target Mass Corrections (TMC). We review the traditional approach and perform an analysis of the inherent problem that has been in this treatment (inclusion of non-physical regions x > 1), which provides the inconsistency of this method. Our solution to avoid this problem was to perform an expansion order by order in m2 p=Q2 on the structure functions with TMC and perform the numerical study of the convergence of the series obtained. By this way we avoid the problem of the traditional approach.
 
WARNING - Viewing this document is conditioned on your acceptance of the following terms of use:
This document is only for private use for research and teaching activities. Reproduction for commercial use is forbidden. This rights cover the whole data about this document as well as its contents. Any uses or copies of this document in whole or in part must include the author's name.
MestradoSamuel.pdf (2.84 Mbytes)
Publishing Date
2014-11-27
 
WARNING: Learn what derived works are clicking here.
All rights of the thesis/dissertation are from the authors
CeTI-SC/STI
Digital Library of Theses and Dissertations of USP. Copyright © 2001-2024. All rights reserved.