Jump to ContentJump to Main Navigation

You are looking at 1-20 of 20 items

  • Keywords: form factor x
Clear All Modify Search

View:

The theory of Compton scattering

W. Schülke

in X-Ray Compton Scattering

Published in print:
2004
Published Online:
September 2007
ISBN:
9780198501688
eISBN:
9780191718045
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198501688.003.0002
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter deals with the theory of the double differential photon scattering cross-section in both non-relativistic and relativistic treatments. It shows how the Impulse Approximation leads to a ... More


Magnetic structures

Erich H. Kisi and Christopher J. Howard

in Applications of Neutron Powder Diffraction

Published in print:
2008
Published Online:
January 2009
ISBN:
9780198515944
eISBN:
9780191705663
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198515944.003.0007
Subject:
Physics, Condensed Matter Physics / Materials

This chapter opens with a brief description of the very wide variety of magnetically ordered structures, both commensurate (with crystal structure) and incommensurate. The concepts of magnetic ... More


The reconstruction of momentum density

N. K. Hansen

in X-Ray Compton Scattering

Published in print:
2004
Published Online:
September 2007
ISBN:
9780198501688
eISBN:
9780191718045
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198501688.003.0006
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter describes how the three-dimensional electron density distribution can be reconstructed from measured one-dimensional projections (the directional Compton profiles) by the Fourier-Bessel ... More


Ising model spontaneous magnetization and form factors

Barry M. McCoy

in Advanced Statistical Mechanics

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199556632
eISBN:
9780191723278
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199556632.003.0012
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter develops and uses the theory of Wiener–Hopf sum equations to derive Szegö's theorem. This theorem is used to compute the spontaneous magnetization of the Ising model. The Wiener–Hopf ... More


Monte Carlo Models

GÜNTHER DISSERTORI, IAN G. KNOWLES, and MICHAEL SCHMELLING

in Quantum Chromodynamics: High Energy Experiments and Theory

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199566419
eISBN:
9780191708060
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199566419.003.0004
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter presents a brief introduction to the modelling of exclusive final states from high-energy collisions between elementary particles. It starts with the matrix element models for the ... More


Beyond the Standard Model

Robin Devenish and Amanda Cooper-Sarkar

in Deep Inelastic Scattering

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198506713
eISBN:
9780191709562
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198506713.003.0012
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter explains the techniques used in deep inelastic scattering to search for BSM signals and to set limits. The discussion concentrates on high energy ep scattering at HERA. All methods rely ... More


Form Factors and Correlation Functions

Giuseppe Mussardo

in Statistical Field Theory: An Introduction to Exactly Solved Models in Statistical Physics

Published in print:
2020
Published Online:
May 2020
ISBN:
9780198788102
eISBN:
9780191830082
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198788102.003.0019
Subject:
Physics, Theoretical, Computational, and Statistical Physics

At the heart of a quantum field theory are the correlation functions of the various fields. In the case of integrable models, the correlators can be expressed in terms of the spectral series based on ... More


Basics of small angle scattering

Dmitri I. Svergun, Michel H. J. Koch, Peter A. Timmins, and Roland P. May

in Small Angle X-Ray and Neutron Scattering from Solutions of Biological Macromolecules

Published in print:
2013
Published Online:
December 2013
ISBN:
9780199639533
eISBN:
9780191747731
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199639533.003.0002
Subject:
Physics, Crystallography: Physics

The basic concepts of elastic scattering of X-rays and neutrons are presented in a simple manner, and the differences between the two phenomena are explained. The notions of real and reciprocal ... More


Magnetic Scattering: General Properties

Andrew T. Boothroyd

in Principles of Neutron Scattering from Condensed Matter

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862314
eISBN:
9780191895081
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862314.003.0006
Subject:
Physics, Atomic, Laser, and Optical Physics, Condensed Matter Physics / Materials

The basic theory of magnetic scattering is presented. A response function for magnetic scattering is defined, and expressed in terms partial response functions. The relation between the partial ... More


Introduction

Dmitri I. Svergun, Michel H. J. Koch, Peter A. Timmins, and Roland P. May

in Small Angle X-Ray and Neutron Scattering from Solutions of Biological Macromolecules

Published in print:
2013
Published Online:
December 2013
ISBN:
9780199639533
eISBN:
9780191747731
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199639533.003.0001
Subject:
Physics, Crystallography: Physics

Biological macromolecules in solution have random orientations and positions. Their scattering is extremely weak and concentrated around the direct beam, requiring instruments with an intense nearly ... More


Diffraction in the Static Approximation

Andrew T. Boothroyd

in Principles of Neutron Scattering from Condensed Matter

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862314
eISBN:
9780191895081
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862314.003.0002
Subject:
Physics, Atomic, Laser, and Optical Physics, Condensed Matter Physics / Materials

The basic principles of crystallography are reviewed, including the lattice, basis and reciprocal lattice. The Bragg diffraction law and Laue equation, which describe coherent scattering from a ... More


Non-local form factors in flat and curved spacetime

Iosif L. Buchbinder and Ilya L. Shapiro

in Introduction to Quantum Field Theory with Applications to Quantum Gravity

Published in print:
2021
Published Online:
April 2021
ISBN:
9780198838319
eISBN:
9780191874666
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198838319.003.0016
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, Theoretical, Computational, and Statistical Physics

This chapter is devoted to the direct explicit calculations of non-local form factors in two-point functions in real scalar field theory. Two simple examples in flat spacetime demonstrate the ... More


Basic Scattering by Particles

Wim H. de Jeu

in Basic X-Ray Scattering for Soft Matter

Published in print:
2016
Published Online:
June 2016
ISBN:
9780198728665
eISBN:
9780191795442
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198728665.003.0002
Subject:
Physics, Crystallography: Physics, Soft Matter / Biological Physics

In Chapter 2 the scattering of x-rays is extended to atoms, molecules, and more complex particles like colloids. This allows the elucidatation of the basic principles of scattering in some detail, ... More


Scattering Rate in a Quantum Well

B. K. Ridley

in Hybrid Phonons in Nanostructures

Published in print:
2017
Published Online:
April 2017
ISBN:
9780198788362
eISBN:
9780191830280
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788362.003.0016
Subject:
Physics, Condensed Matter Physics / Materials

Combining simplicity and clarity, this chapter focuses on a quantum well structure in which a polar material is sandwiched between identical polar layers that act as barriers to electrons. The ... More


The Electromagnetic Interactions

J. Iliopoulos and T.N. Tomaras

in Elementary Particle Physics: The Standard Theory

Published in print:
2021
Published Online:
December 2021
ISBN:
9780192844200
eISBN:
9780191926983
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780192844200.003.0016
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, Theoretical, Computational, and Statistical Physics

We briefly review the birth of renormalisation theory at the 1947 Shelter Island conference. We study the particular case of quantum electrodynamics in the example of an electron scattered by an ... More


Scattering Rate in a Single Heterostructure

B. K. Ridley

in Hybrid Phonons in Nanostructures

Published in print:
2017
Published Online:
April 2017
ISBN:
9780198788362
eISBN:
9780191830280
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788362.003.0015
Subject:
Physics, Condensed Matter Physics / Materials

This chapter covers: the scattering potentia in a single heterostructure; intra-lowest-subband scattering rate; summing over qz; the form factor; lattice dispersion and regimes of frequency; LO-like ... More


Form Factor Perturbation Theory

Giuseppe Mussardo

in Statistical Field Theory: An Introduction to Exactly Solved Models in Statistical Physics

Published in print:
2020
Published Online:
May 2020
ISBN:
9780198788102
eISBN:
9780191830082
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198788102.003.0022
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Chapter 22 introduces a perturbative technique based on the form factors to study non-integrable models. These models often include stumbling blocks like decays and production scattering processes, ... More


The conformal anomaly and anomaly-induced action

Iosif L. Buchbinder and Ilya L. Shapiro

in Introduction to Quantum Field Theory with Applications to Quantum Gravity

Published in print:
2021
Published Online:
April 2021
ISBN:
9780198838319
eISBN:
9780191874666
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198838319.003.0017
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, Theoretical, Computational, and Statistical Physics

This chapter describes in detail basic results concerning the conformal (trace) anomaly and anomaly-induced action in four spacetime dimensions. It is shown how the anomaly appears from the non-local ... More


Chemical Properties of Soils for Growing Plants

Robert F. Keefer

in Handbook of Soils for Landscape Architects

Published in print:
1999
Published Online:
November 2020
ISBN:
9780195121025
eISBN:
9780197561270
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195121025.003.0011
Subject:
Earth Sciences and Geography, Soil Science

Soil reaction is the amount of acids (acidity) or bases (alkalinity) present in a soil and is indicated by a term called “pH”. By definition, pH is the logarithm of the reciprocal of the hydrogen ... More


Infrared Singularities

Laurent Baulieu, John Iliopoulos, and Roland Sénéor

in From Classical to Quantum Fields

Published in print:
2017
Published Online:
May 2017
ISBN:
9780198788393
eISBN:
9780191830310
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198788393.003.0021
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, Theoretical, Computational, and Statistical Physics

The problem of infrared singularities is studied for massless field theories order by order in perturbation theory. The resulting resummation is shown for the case of quantum electrodynamics.


View: