Herwig++ physics and manual

Bähr, M.; Gieseke, Stefan; Gigg, M.; Grellscheid, David; Hamilton, K.; Latunde-Dada, O.; Plätzer, Simon; Richardson, Peter; Seymour, Michael H.; Sherstnev, A.; Webber, B.R.

doi:10.1140/epjc/s10052-008-0798-9

Cited by 1,829 publications

(1,745 citation statements)

References 177 publications

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“…2 ISAJET [34] is used for generating supersymmetric particles in conjunction with HERWIG. The newer C++ generators PYTHIA 8 [35] and HERWIG++ [36] are being tested. Both produce events in the HepMC format, so no translation is needed.…”

Section: Event Generation Overviewmentioning

confidence: 99%

The ATLAS Simulation Infrastructure

Aad¹,

Abbott²,

Abdallah³

et al. 2011

The Performance of the ATLAS Detector

289

618

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The simulation software for the ATLAS Experiment at the Large Hadron Collider is being used for largescale production of events on the LHC Computing Grid. This simulation requires many components, from the generators that simulate particle collisions, through packages simulating the response of the various detectors and triggers. All of these components come together under the AT-LAS simulation infrastructure. In this paper, that infrastructure is discussed, including that supporting the detector description, interfacing the event generation, and combining the GEANT4 simulation of the response of the individual detectors. Also described are the tools allowing the software validation, performance testing, and the validation of the simulated output against known physics processes.

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Section: Event Generation Overviewmentioning

confidence: 99%

The ATLAS Simulation Infrastructure

Aad¹,

Abbott²,

Abdallah³

et al. 2011

The Performance of the ATLAS Detector

289

618

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show abstract

“…For illustration, the data are compared with a representative set of hadronization models including PYTHIA8 (4C tune [17]), HERWIG++ [18,19] and EPOS [20].…”

Section: Data Selection and MC Event Generatorsmentioning

confidence: 99%

Study of ordered hadron chains with the ATLAS detector

Aaboud¹,

Aad²,

Abbott³

et al. 2017

Phys. Rev. D

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The analysis of the momentum difference between charged hadrons in high-energy proton-proton collisions is performed in order to study coherent particle production. The observed correlation pattern agrees with a model of a helical QCD string fragmenting into a chain of ground-state hadrons. A threshold momentum difference in the production of adjacent pairs of charged hadrons is observed, in agreement with model predictions. The presence of low-mass hadron chains also explains the emergence of charge-combination-dependent two-particle correlations commonly attributed to Bose-Einstein interference. The data sample consists of 190 μb −1 of minimum-bias events collected with proton-proton collisions at a center-of-mass energy ffiffi ffi s p ¼ 7 TeV in the early low-luminosity data taking with the ATLAS detector at the LHC.

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“…Two Pythia 8 [7] A2 tunes, made with different parton distribution functions, also underestimate the data. The Herwig++ [8] model describes well the cross section for p T φ < 700 MeV and |y φ | > 0.6 but predicts a transverse momentum spectrum which falls too quickly. A direct comparison with results on φ production from ALICE is made possible via an extrapolation of the ATLAS results to the fiducial region used by AL-ICE: 500 < p T,φ < 1200 MeV and |y φ | < 0.5.…”

Section: Measurement Of φ(1020) Productionmentioning

confidence: 99%