Precision tools for the simulation of double-Higgs production via vector-boson fusion
Abstract We present two precision tools for the simulation of Higgs-pair production via vector-boson fusion in the kappa framework for the parameterization of non-standard Higgs couplings. A new implementation of the process is developed in the framework of the POWHEG BOX program that can be used to...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2025-06-01
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| Series: | Journal of High Energy Physics |
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| Online Access: | https://doi.org/10.1007/JHEP06(2025)022 |
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| author | Barbara Jäger Alexander Karlberg Simon Reinhardt |
| author_facet | Barbara Jäger Alexander Karlberg Simon Reinhardt |
| author_sort | Barbara Jäger |
| collection | DOAJ |
| description | Abstract We present two precision tools for the simulation of Higgs-pair production via vector-boson fusion in the kappa framework for the parameterization of non-standard Higgs couplings. A new implementation of the process is developed in the framework of the POWHEG BOX program that can be used to provide predictions at the next-to-leading order (NLO) of QCD matched to parton showers (PS). In addition, the existing proVBFHH program for the computation of next-to-next-to-leading order (NNLO) QCD and next-to-next-to-next-to-leading order QCD corrections is extended to account for values of the Higgs couplings different from the expectation of the Standard Model. We systematically compare and analyse predictions obtained with the two programs and find that the NLO+PS predictions provide a good approximation of the NNLO results for observables of the tagging jets and Higgs bosons. The results turn out to be very sensitive to the values of the modified Higgs couplings. Finally we study the non-factorizable NNLO QCD corrections to the process in the presence of anomalous couplings. We find that the size of the non-factorizable corrections is very sensitive to the anomalous couplings. |
| format | Article |
| id | doaj-art-16738b415ccd4eef963d60e6f44b5e3d |
| institution | DOAJ |
| issn | 1029-8479 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj-art-16738b415ccd4eef963d60e6f44b5e3d2025-08-20T03:04:21ZengSpringerOpenJournal of High Energy Physics1029-84792025-06-012025612110.1007/JHEP06(2025)022Precision tools for the simulation of double-Higgs production via vector-boson fusionBarbara Jäger0Alexander Karlberg1Simon Reinhardt2Institute for Theoretical Physics, University of TübingenCERN, Theoretical Physics DepartmentInstitute for Theoretical Physics, University of TübingenAbstract We present two precision tools for the simulation of Higgs-pair production via vector-boson fusion in the kappa framework for the parameterization of non-standard Higgs couplings. A new implementation of the process is developed in the framework of the POWHEG BOX program that can be used to provide predictions at the next-to-leading order (NLO) of QCD matched to parton showers (PS). In addition, the existing proVBFHH program for the computation of next-to-next-to-leading order (NNLO) QCD and next-to-next-to-next-to-leading order QCD corrections is extended to account for values of the Higgs couplings different from the expectation of the Standard Model. We systematically compare and analyse predictions obtained with the two programs and find that the NLO+PS predictions provide a good approximation of the NNLO results for observables of the tagging jets and Higgs bosons. The results turn out to be very sensitive to the values of the modified Higgs couplings. Finally we study the non-factorizable NNLO QCD corrections to the process in the presence of anomalous couplings. We find that the size of the non-factorizable corrections is very sensitive to the anomalous couplings.https://doi.org/10.1007/JHEP06(2025)022Higher-Order Perturbative CalculationsParton ShowerHiggs Production |
| spellingShingle | Barbara Jäger Alexander Karlberg Simon Reinhardt Precision tools for the simulation of double-Higgs production via vector-boson fusion Journal of High Energy Physics Higher-Order Perturbative Calculations Parton Shower Higgs Production |
| title | Precision tools for the simulation of double-Higgs production via vector-boson fusion |
| title_full | Precision tools for the simulation of double-Higgs production via vector-boson fusion |
| title_fullStr | Precision tools for the simulation of double-Higgs production via vector-boson fusion |
| title_full_unstemmed | Precision tools for the simulation of double-Higgs production via vector-boson fusion |
| title_short | Precision tools for the simulation of double-Higgs production via vector-boson fusion |
| title_sort | precision tools for the simulation of double higgs production via vector boson fusion |
| topic | Higher-Order Perturbative Calculations Parton Shower Higgs Production |
| url | https://doi.org/10.1007/JHEP06(2025)022 |
| work_keys_str_mv | AT barbarajager precisiontoolsforthesimulationofdoublehiggsproductionviavectorbosonfusion AT alexanderkarlberg precisiontoolsforthesimulationofdoublehiggsproductionviavectorbosonfusion AT simonreinhardt precisiontoolsforthesimulationofdoublehiggsproductionviavectorbosonfusion |