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A study of optimal parameter setting for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup
This note presents a study to arrive at the optimum tune of PYTHIA 8 generator's parton shower and multiple parton interaction parameters for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup. The study is based on published distributions from ATLAS Run 1 data at $\sqrt{s}$ = 7 TeV for three differ...
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| Lenguaje: | eng |
| Publicado: |
2015
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| Acceso en línea: | http://cds.cern.ch/record/2103221 |
| _version_ | 1780948754622316544 |
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| author | The ATLAS collaboration |
| author_facet | The ATLAS collaboration |
| author_sort | The ATLAS collaboration |
| collection | CERN |
| description | This note presents a study to arrive at the optimum tune of PYTHIA 8 generator's parton shower and multiple parton interaction parameters for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup. The study is based on published distributions from ATLAS Run 1 data at $\sqrt{s}$ = 7 TeV for three different processes, inclusive jet, $Z$~boson and $t\bar{t}$ production . Two tunes, A15-MG5aMCNLO-TTBAR, applicable only for $t$$\bar{t}$ processes, and A15-MG5aMCNLO, applicable in general for all processes, have been developed. The resulting PYTHIA 8 parameters of the NLO+PS matched setup are in good agreement with the standalone PYTHIA 8 tunes. |
| id | cern-2103221 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2015 |
| record_format | invenio |
| spelling | cern-21032212021-04-18T19:40:46Zhttp://cds.cern.ch/record/2103221engThe ATLAS collaborationA study of optimal parameter setting for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setupParticle Physics - ExperimentThis note presents a study to arrive at the optimum tune of PYTHIA 8 generator's parton shower and multiple parton interaction parameters for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup. The study is based on published distributions from ATLAS Run 1 data at $\sqrt{s}$ = 7 TeV for three different processes, inclusive jet, $Z$~boson and $t\bar{t}$ production . Two tunes, A15-MG5aMCNLO-TTBAR, applicable only for $t$$\bar{t}$ processes, and A15-MG5aMCNLO, applicable in general for all processes, have been developed. The resulting PYTHIA 8 parameters of the NLO+PS matched setup are in good agreement with the standalone PYTHIA 8 tunes.ATL-PHYS-PUB-2015-048oai:cds.cern.ch:21032212015-11-17 |
| spellingShingle | Particle Physics - Experiment The ATLAS collaboration A study of optimal parameter setting for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup |
| title | A study of optimal parameter setting for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup |
| title_full | A study of optimal parameter setting for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup |
| title_fullStr | A study of optimal parameter setting for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup |
| title_full_unstemmed | A study of optimal parameter setting for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup |
| title_short | A study of optimal parameter setting for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup |
| title_sort | study of optimal parameter setting for madgraph5_amc@nlo + pythia 8 matched setup |
| topic | Particle Physics - Experiment |
| url | http://cds.cern.ch/record/2103221 |
| work_keys_str_mv | AT theatlascollaboration astudyofoptimalparametersettingformadgraph5amcnlopythia8matchedsetup AT theatlascollaboration studyofoptimalparametersettingformadgraph5amcnlopythia8matchedsetup |