Next-to-leading order corrections for gg → ZH with top quark mass dependence
In this work, we present for the first time a calculation of the complete next-to-leading order corrections to the gg→ZH process. We use the method of small mass expansion to tackle the most challenging two-loop virtual amplitude, in which the top quark mass dependence is retained throughout the cal...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-06-01
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| Series: | Physics Letters B |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269322002210 |
| _version_ | 1818210327068672000 |
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| author | Guoxing Wang Xiaofeng Xu Yongqi Xu Li Lin Yang |
| author_facet | Guoxing Wang Xiaofeng Xu Yongqi Xu Li Lin Yang |
| author_sort | Guoxing Wang |
| collection | DOAJ |
| description | In this work, we present for the first time a calculation of the complete next-to-leading order corrections to the gg→ZH process. We use the method of small mass expansion to tackle the most challenging two-loop virtual amplitude, in which the top quark mass dependence is retained throughout the calculations. We show that our method provides reliable numeric results in all kinematic regions, and present phenomenological predictions for the total and differential cross sections at the Large Hadron Collider and its future upgrades. Our results are necessary ingredients towards reducing the theoretical uncertainties of the pp→ZH cross sections down to the percent-level, and provide important theoretical inputs for future precision experimental collider programs. |
| first_indexed | 2024-12-12T05:14:50Z |
| format | Article |
| id | doaj.art-47268ab684414fd7807b80cfcf65de44 |
| institution | Directory Open Access Journal |
| issn | 0370-2693 |
| language | English |
| last_indexed | 2024-12-12T05:14:50Z |
| publishDate | 2022-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-47268ab684414fd7807b80cfcf65de442022-12-22T00:36:47ZengElsevierPhysics Letters B0370-26932022-06-01829137087Next-to-leading order corrections for gg → ZH with top quark mass dependenceGuoxing Wang0Xiaofeng Xu1Yongqi Xu2Li Lin Yang3Zhejiang Institute of Modern Physics, Department of Physics, Zhejiang University, Hangzhou 310058, ChinaInstitut für Theoretische Physik, Universität Bern, Sidlerstrasse 5, CH-3012 Bern, SwitzerlandSchool of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, ChinaZhejiang Institute of Modern Physics, Department of Physics, Zhejiang University, Hangzhou 310058, China; Corresponding author.In this work, we present for the first time a calculation of the complete next-to-leading order corrections to the gg→ZH process. We use the method of small mass expansion to tackle the most challenging two-loop virtual amplitude, in which the top quark mass dependence is retained throughout the calculations. We show that our method provides reliable numeric results in all kinematic regions, and present phenomenological predictions for the total and differential cross sections at the Large Hadron Collider and its future upgrades. Our results are necessary ingredients towards reducing the theoretical uncertainties of the pp→ZH cross sections down to the percent-level, and provide important theoretical inputs for future precision experimental collider programs.http://www.sciencedirect.com/science/article/pii/S0370269322002210Higgs bosonZ bosonQCD |
| spellingShingle | Guoxing Wang Xiaofeng Xu Yongqi Xu Li Lin Yang Next-to-leading order corrections for gg → ZH with top quark mass dependence Physics Letters B Higgs boson Z boson QCD |
| title | Next-to-leading order corrections for gg → ZH with top quark mass dependence |
| title_full | Next-to-leading order corrections for gg → ZH with top quark mass dependence |
| title_fullStr | Next-to-leading order corrections for gg → ZH with top quark mass dependence |
| title_full_unstemmed | Next-to-leading order corrections for gg → ZH with top quark mass dependence |
| title_short | Next-to-leading order corrections for gg → ZH with top quark mass dependence |
| title_sort | next to leading order corrections for gg zh with top quark mass dependence |
| topic | Higgs boson Z boson QCD |
| url | http://www.sciencedirect.com/science/article/pii/S0370269322002210 |
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