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Inclusive jet spectrum for small-radius jets

Following on our earlier work on leading-logarithmic (LLR) resummations for the properties of jets with a small radius, R, we here examine the phenomenological considerations for the inclusive jet spectrum. We discuss how to match the NLO predictions with small-R resummation. As part of the study we...

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Detalles Bibliográficos
Autores principales: Dasgupta, Mrinal, Dreyer, Frédéric A., Salam, Gavin P., Soyez, Gregory
Lenguaje:eng
Publicado: 2016
Materias:
Acceso en línea:https://dx.doi.org/10.1007/JHEP06(2016)057
http://cds.cern.ch/record/2128769
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author Dasgupta, Mrinal
Dreyer, Frédéric A.
Salam, Gavin P.
Soyez, Gregory
author_facet Dasgupta, Mrinal
Dreyer, Frédéric A.
Salam, Gavin P.
Soyez, Gregory
author_sort Dasgupta, Mrinal
collection CERN
description Following on our earlier work on leading-logarithmic (LLR) resummations for the properties of jets with a small radius, R, we here examine the phenomenological considerations for the inclusive jet spectrum. We discuss how to match the NLO predictions with small-R resummation. As part of the study we propose a new, physically-inspired prescription for fixed-order predictions and their uncertainties. We investigate the R-dependent part of the next-to-next-to-leading order (NNLO) corrections, which is found to be substantial, and comment on the implications for scale choices in inclusive jet calculations. We also examine hadronisation corrections, identifying potential limitations of earlier analytical work with regards to their $p_t$-dependence. Finally we assemble these different elements in order to compare matched (N)NLO+LLR predictions to data from ALICE and ATLAS, finding improved consistency for the R-dependence of the results relative to NLO predictions.
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institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2016
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spelling cern-21287692022-08-10T12:45:09Zdoi:10.1007/JHEP06(2016)057http://cds.cern.ch/record/2128769engDasgupta, MrinalDreyer, Frédéric A.Salam, Gavin P.Soyez, GregoryInclusive jet spectrum for small-radius jetsParticle Physics - PhenomenologyFollowing on our earlier work on leading-logarithmic (LLR) resummations for the properties of jets with a small radius, R, we here examine the phenomenological considerations for the inclusive jet spectrum. We discuss how to match the NLO predictions with small-R resummation. As part of the study we propose a new, physically-inspired prescription for fixed-order predictions and their uncertainties. We investigate the R-dependent part of the next-to-next-to-leading order (NNLO) corrections, which is found to be substantial, and comment on the implications for scale choices in inclusive jet calculations. We also examine hadronisation corrections, identifying potential limitations of earlier analytical work with regards to their $p_t$-dependence. Finally we assemble these different elements in order to compare matched (N)NLO+LLR predictions to data from ALICE and ATLAS, finding improved consistency for the R-dependence of the results relative to NLO predictions.Following on our earlier work on leading-logarithmic (LL$_{R}$ ) resummations for the properties of jets with a small radius, R, we here examine the phenomenological considerations for the inclusive jet spectrum. We discuss how to match the NLO predictions with small-R resummation. As part of the study we propose a new, physically-inspired prescription for fixed-order predictions and their uncertainties. We investigate the R-dependent part of the next-to-next-to-leading order (NNLO) corrections, which is found to be substantial, and comment on the implications for scale choices in inclusive jet calculations. We also examine hadronisation corrections, identifying potential limitations of earlier analytical work with regards to their p$_{t}$ -dependence. Finally we assemble these different elements in order to compare matched (N)NLO+LL$_{R}$ predictions to data from ALICE and ATLAS, finding improved consistency for the R-dependence of the results relative to NLO predictions.Following on our earlier work on leading-logarithmic (LLR) resummations for the properties of jets with a small radius, R, we here examine the phenomenological considerations for the inclusive jet spectrum. We discuss how to match the NLO predictions with small-R resummation. As part of the study we propose a new, physically-inspired prescription for fixed-order predictions and their uncertainties. We investigate the R-dependent part of the next-to-next-to-leading order (NNLO) corrections, which is found to be substantial, and comment on the implications for scale choices in inclusive jet calculations. We also examine hadronisation corrections, identifying potential limitations of earlier analytical work with regards to their $p_t$-dependence. Finally we assemble these different elements in order to compare matched (N)NLO+LLR predictions to data from ALICE and ATLAS, finding improved consistency for the R-dependence of the results relative to NLO predictions.arXiv:1602.01110CERN-TH-2016-020CERN-TH-2016-020oai:cds.cern.ch:21287692016-02-02
spellingShingle Particle Physics - Phenomenology
Dasgupta, Mrinal
Dreyer, Frédéric A.
Salam, Gavin P.
Soyez, Gregory
Inclusive jet spectrum for small-radius jets
title Inclusive jet spectrum for small-radius jets
title_full Inclusive jet spectrum for small-radius jets
title_fullStr Inclusive jet spectrum for small-radius jets
title_full_unstemmed Inclusive jet spectrum for small-radius jets
title_short Inclusive jet spectrum for small-radius jets
title_sort inclusive jet spectrum for small-radius jets
topic Particle Physics - Phenomenology
url https://dx.doi.org/10.1007/JHEP06(2016)057
http://cds.cern.ch/record/2128769
work_keys_str_mv AT dasguptamrinal inclusivejetspectrumforsmallradiusjets
AT dreyerfrederica inclusivejetspectrumforsmallradiusjets
AT salamgavinp inclusivejetspectrumforsmallradiusjets
AT soyezgregory inclusivejetspectrumforsmallradiusjets