The Lund Model

Bo Andersson

doi:10.1017/9781009401296

The Lund model, inspired by quantum chromodynamics, has provided a promising approach to the dynamics of quark and gluon interactions. Starting with a brief reprise of basic concepts in relativity, quantum mechanics of fields and particle physics, this book discusses: the dynamics of the massless relativistic string; confinement; causality and relativistic covariance; Lund fragmentation processes; QED and QCD Bremsstrahlung; multiplicities and particle-parton distributions. Throughout the book, theory is confronted with current experimental data, and implications for future experiments are also considered. The book also explores the relationships between the Lund model and other models based on field theory (the Schwinger model, S-matrix models, light-cone algebra physics and variations of the parton model), and models based on statistical mechanics (the Feynman-Wilson gas, scaling, iterative cascade models). This title, first published in 1998, has been reissued as an Open Access publication on Cambridge Core.

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Contents

Frontmatter
pp i-vi
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Contents
pp vii-x
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Acknowledgements
pp xi-xii
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1 - Introduction
pp 1-5
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2 - Relativistic kinematics, electromagnetic fields and the method of virtual quanta
pp 6-26
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3 - The harmonic oscillator and the quantum field
pp 27-56
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4 - The vacuum as a dielectric medium; renormalisation
pp 57-89
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5 - Deep inelastic scattering and the parton model
pp 90-113
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6 - The classical motion of the massless relativistic string
pp 114-133
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7 - The decay kinematics of the massless relativistic string
pp 134-145
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8 - A stochastic process for string decay
pp 146-162
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9 - The properties of the Lund model fragmentation formulas; the external-part formulas
pp 163-176
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10 - The internal-part fragmentation formulas and their relations to the unitarity equations of a field theory; Regge theory
pp 177-191
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11 - The dynamical analogues of the Lund model fragmentation formulas
pp 192-212
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12 - Flavor and transverse momentum generation and the vector meson to pseudoscalar meson ratio
pp 213-233
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13 - Heavy quark fragmentation and baryon production
pp 234-248
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14 - The Hanbury-Brown-Twiss effect and the polarisation effects in the Lund model
pp 249-268
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15 - The Lund gluon model, its kinematics and decay properties
pp 269-301
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16 - Gluon emission via the bremsstrahlung process
pp 302-317
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17 - Multigluon emission, the dipole cascade model and other coherent cascade models
pp 318-348
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18 - The λ-measure in the leading-log and modified leading-log approximations of perturbative QCD
pp 349-391
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19 - The parton model and QCD
pp 392-422
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20 - Inelastic lepto-production in the Lund model, the soft radiation model and the linked dipole chain model
pp 423-464
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References
pp 465-467
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Index
pp 468-472
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The Lund Model

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Contents

Frontmatter
pp i-vi

Contents
pp vii-x

Acknowledgements
pp xi-xii

1 - Introduction
pp 1-5

2 - Relativistic kinematics, electromagnetic fields and the method of virtual quanta
pp 6-26

3 - The harmonic oscillator and the quantum field
pp 27-56

4 - The vacuum as a dielectric medium; renormalisation
pp 57-89

5 - Deep inelastic scattering and the parton model
pp 90-113

6 - The classical motion of the massless relativistic string
pp 114-133

7 - The decay kinematics of the massless relativistic string
pp 134-145

8 - A stochastic process for string decay
pp 146-162

9 - The properties of the Lund model fragmentation formulas; the external-part formulas
pp 163-176

10 - The internal-part fragmentation formulas and their relations to the unitarity equations of a field theory; Regge theory
pp 177-191

11 - The dynamical analogues of the Lund model fragmentation formulas
pp 192-212

12 - Flavor and transverse momentum generation and the vector meson to pseudoscalar meson ratio
pp 213-233

13 - Heavy quark fragmentation and baryon production
pp 234-248

14 - The Hanbury-Brown-Twiss effect and the polarisation effects in the Lund model
pp 249-268

15 - The Lund gluon model, its kinematics and decay properties
pp 269-301

16 - Gluon emission via the bremsstrahlung process
pp 302-317

17 - Multigluon emission, the dipole cascade model and other coherent cascade models
pp 318-348

18 - The λ-measure in the leading-log and modified leading-log approximations of perturbative QCD
pp 349-391

19 - The parton model and QCD
pp 392-422

20 - Inelastic lepto-production in the Lund model, the soft radiation model and the linked dipole chain model
pp 423-464

References
pp 465-467

Index
pp 468-472

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The Lund Model

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