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Relative Contributions of t- and s-Channels to the ZZ -> 4mu Process
We show that the s-channel contribution to the qqbar{q} rightarrow ZZ rightarrow 4mu process, the main irreducible background in searches for the Higgs boson via its rm H rightarrow ZZ rightarrow 4\mu }$ decay mode, not available in the PYTHIA event generator, can add as much as sim 15% to the cross...
| Autores principales: | , , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2006
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/951385 |
| _version_ | 1780909976178393088 |
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| author | Abdullin, Salavat Acosta, Darin Bartalini, Paolo Cavanaugh, Richard Drozdetsky, A A Korytov, Andrey Mitselmakher, Guenakh Pakhotin, Yuriy Scurlock, Bobby Sherstnev, Alexander |
| author_facet | Abdullin, Salavat Acosta, Darin Bartalini, Paolo Cavanaugh, Richard Drozdetsky, A A Korytov, Andrey Mitselmakher, Guenakh Pakhotin, Yuriy Scurlock, Bobby Sherstnev, Alexander |
| author_sort | Abdullin, Salavat |
| collection | CERN |
| description | We show that the s-channel contribution to the qqbar{q} rightarrow ZZ rightarrow 4mu process, the main irreducible background in searches for the Higgs boson via its rm H rightarrow ZZ rightarrow 4\mu }$ decay mode, not available in the PYTHIA event generator, can add as much as sim 15% to the cross section arising from the commonly considered t-channel process. Moreover, the s-channel contribution has very different kinematics and cannot be taken into account by introducing an overall scaling K-factor. In particular, it results in a peak at the 4-muon invariant mass equal to the Z mass. |
| id | cern-951385 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2006 |
| record_format | invenio |
| spelling | cern-9513852019-09-30T06:29:59Zhttp://cds.cern.ch/record/951385engAbdullin, SalavatAcosta, DarinBartalini, PaoloCavanaugh, RichardDrozdetsky, A AKorytov, AndreyMitselmakher, GuenakhPakhotin, YuriyScurlock, BobbySherstnev, AlexanderRelative Contributions of t- and s-Channels to the ZZ -> 4mu ProcessDetectors and Experimental TechniquesWe show that the s-channel contribution to the qqbar{q} rightarrow ZZ rightarrow 4mu process, the main irreducible background in searches for the Higgs boson via its rm H rightarrow ZZ rightarrow 4\mu }$ decay mode, not available in the PYTHIA event generator, can add as much as sim 15% to the cross section arising from the commonly considered t-channel process. Moreover, the s-channel contribution has very different kinematics and cannot be taken into account by introducing an overall scaling K-factor. In particular, it results in a peak at the 4-muon invariant mass equal to the Z mass.CMS-NOTE-2006-057oai:cds.cern.ch:9513852006-05-08 |
| spellingShingle | Detectors and Experimental Techniques Abdullin, Salavat Acosta, Darin Bartalini, Paolo Cavanaugh, Richard Drozdetsky, A A Korytov, Andrey Mitselmakher, Guenakh Pakhotin, Yuriy Scurlock, Bobby Sherstnev, Alexander Relative Contributions of t- and s-Channels to the ZZ -> 4mu Process |
| title | Relative Contributions of t- and s-Channels to the ZZ -> 4mu Process |
| title_full | Relative Contributions of t- and s-Channels to the ZZ -> 4mu Process |
| title_fullStr | Relative Contributions of t- and s-Channels to the ZZ -> 4mu Process |
| title_full_unstemmed | Relative Contributions of t- and s-Channels to the ZZ -> 4mu Process |
| title_short | Relative Contributions of t- and s-Channels to the ZZ -> 4mu Process |
| title_sort | relative contributions of t- and s-channels to the zz -> 4mu process |
| topic | Detectors and Experimental Techniques |
| url | http://cds.cern.ch/record/951385 |
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