Parton fragmentation and string dynamics

Andersson, Bo; Gustafson, Gösta; Ingelman, G.; Sjöstrand, Torbjörn

doi:10.1016/0370-1573(83)90080-7

Cited by 2,506 publications

(1,881 citation statements)

References 63 publications

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“…We will use the standard Lund string fragmentation model [And83] as a starting point, but have to extend it considerably. The string is here to be viewed as a Lorentz covariant representation of a linear confinement field.…”

Section: Interconnection Effectsmentioning

confidence: 99%

PYTHIA 6.4 physics and manual

Sjöstrand

Mrenna

Skands

2006

J. High Energy Phys.

9,615

10,151

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The Pythia program can be used to generate high-energy-physics 'events', i.e. sets of outgoing particles produced in the interactions between two incoming particles. The objective is to provide as accurate as possible a representation of event properties in a wide range of reactions, with emphasis on those where strong interactions play a rôle, directly or indirectly, and therefore multihadronic final states are produced. The physics is then not understood well enough to give an exact description; instead the program has to be based on a combination of analytical results and various QCDbased models. This physics input is summarized here, for areas such as hard subprocesses, initial-and final-state parton showers, beam remnants and underlying events, fragmentation and decays, and much more. Furthermore, extensive information is provided on all program elements: subroutines and functions, switches and parameters, and particle and process data. This should allow the user to tailor the generation task to the topics of interest.

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Section: Interconnection Effectsmentioning

confidence: 99%

PYTHIA 6.4 physics and manual

Sjöstrand

Mrenna

Skands

2006

J. High Energy Phys.

9,615

10,151

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“…In the other extreme, when E i = E j , the two y-expressions differ by a factor of 4 (that is, by a factor of 2 at p ⊥ level). The usage of |p| rather than E in Luclus is based on non-perturbative physics considerations, specifically on the properties of string fragmentation [20]. Here, primary particles are given a Gaussian transverse momentum spectrum with respect to the string direction, typically around 400 MeV, common for all particle species.…”

Section: Luclusmentioning

confidence: 99%

“…Azimuthal anisotropies from coherence and gluon polarization are also included, and the α S scale is p 2 ⊥ . Hadronization is done according to the Lund string model [20]. In Ariadne [35], the ordering of emissions is in the invariant transverse momentum defined above in eq.…”

Section: Jhep08(1998)001mentioning

confidence: 99%

New and old jet clustering algorithms for electron-positron events

Moretti¹,

Lönnblad²,

Sjöstrand³

1998

J. High Energy Phys.

106

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“…In the hadronization stage, the QGM from parton rescattering is hadronized by the LUND string fragmentation regime [13] or the Monte Carlo coalescence model [7].…”

Section: The Paciae Modelmentioning

confidence: 99%

“…where the string tension κ ≈ 1 GeV/fm ≈ 0.2 GeV 2 [13,15]. This probability implies a suppression of strange quark production u : d : s ≈ 1 : 1 : 0.3.…”

Section: The Paciae Modelmentioning

confidence: 99%