Search for a standard model-like Higgs boson in the μ[superscript +]μ[superscript −] and e[superscript +]e[superscript −] decay channels at the LHC
A search is presented for a standard model-like Higgs boson decaying to the μ[superscript +]μ[superscript −] or e[superscript +]e[superscript −] final states based on proton–proton collisions recorded by the CMS experiment at the CERN LHC. The data correspond to integrated luminosities of 5.0 fb[sup...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | en_US |
| Published: |
Elsevier
2015
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| Online Access: | http://hdl.handle.net/1721.1/98212 https://orcid.org/0000-0002-3831-9071 https://orcid.org/0000-0003-3106-4894 https://orcid.org/0000-0001-6332-5839 https://orcid.org/0000-0001-8983-2169 https://orcid.org/0000-0002-1260-777X https://orcid.org/0000-0002-9418-6656 https://orcid.org/0000-0002-6047-4211 https://orcid.org/0000-0002-7945-005X https://orcid.org/0000-0003-3681-0649 https://orcid.org/0000-0003-1486-606X https://orcid.org/0000-0003-2593-7767 https://orcid.org/0000-0001-9236-6621 https://orcid.org/0000-0002-0869-5631 https://orcid.org/0000-0002-1136-6900 |
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| author | Apyan, Aram Barbieri, Richard Alexander Busza, Wit Cali, Ivan Amos Di Matteo, Leonardo Dutta, Valentina Gomez-Ceballos, Guillelmo Goncharov, Maxim Gulhan, Doga Can Klute, Markus Lai, Yue Shi Lee, Yen-Jie Levin, Andrew Michael Ma, Teng Paus, Christoph M. E. Ralph, Duncan Kelley Stephans, George S. F. Velicanu, Dragos Alexandru Veverka, Jan Wyslouch, Boleslaw Yang, Mingming Zanetti, Marco Bauer, Gerry P Chan, M. Luckey Jr, P David Roland, Christof E Roland, Gunther M Stoeckli, Fabian Sumorok, Konstanty C Wyslouch, Victoria |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Apyan, Aram Barbieri, Richard Alexander Busza, Wit Cali, Ivan Amos Di Matteo, Leonardo Dutta, Valentina Gomez-Ceballos, Guillelmo Goncharov, Maxim Gulhan, Doga Can Klute, Markus Lai, Yue Shi Lee, Yen-Jie Levin, Andrew Michael Ma, Teng Paus, Christoph M. E. Ralph, Duncan Kelley Stephans, George S. F. Velicanu, Dragos Alexandru Veverka, Jan Wyslouch, Boleslaw Yang, Mingming Zanetti, Marco Bauer, Gerry P Chan, M. Luckey Jr, P David Roland, Christof E Roland, Gunther M Stoeckli, Fabian Sumorok, Konstanty C Wyslouch, Victoria |
| author_sort | Apyan, Aram |
| collection | MIT |
| description | A search is presented for a standard model-like Higgs boson decaying to the μ[superscript +]μ[superscript −] or e[superscript +]e[superscript −] final states based on proton–proton collisions recorded by the CMS experiment at the CERN LHC. The data correspond to integrated luminosities of 5.0 fb[superscript −1] at a centre-of-mass energy of 7 TeV and 19.7 fb[superscript −1] at 8 TeV for the μ[superscript +]μ[superscript −] search, and of 19.7 fb[superscript −1] at 8 TeV for the e[superscript +]e[superscript −] search. Upper limits on the production cross section times branching fraction at the 95% confidence level are reported for Higgs boson masses in the range from 120 to 150 GeV. For a Higgs boson with a mass of 125 GeV decaying to μ[superscript +]μ[superscript −], the observed (expected) upper limit on the production rate is found to be 7.4 (6.5[+2.8 over −1.9]) times the standard model value. This corresponds to an upper limit on the branching fraction of 0.0016. Similarly, for e[superscript +]e[superscript −], an upper limit of 0.0019 is placed on the branching fraction, which is ≈3.7 × 10[superscript 5] times the standard model value. These results, together with recent evidence of the 125 GeV boson coupling to τ-leptons with a larger branching fraction consistent with the standard model, confirm that the leptonic couplings of the new boson are not flavour-universal. |
| first_indexed | 2024-09-23T08:02:42Z |
| format | Article |
| id | mit-1721.1/98212 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T08:02:42Z |
| publishDate | 2015 |
| publisher | Elsevier |
| record_format | dspace |
| spelling | mit-1721.1/982122023-02-26T07:59:06Z Search for a standard model-like Higgs boson in the μ[superscript +]μ[superscript −] and e[superscript +]e[superscript −] decay channels at the LHC Apyan, Aram Barbieri, Richard Alexander Busza, Wit Cali, Ivan Amos Di Matteo, Leonardo Dutta, Valentina Gomez-Ceballos, Guillelmo Goncharov, Maxim Gulhan, Doga Can Klute, Markus Lai, Yue Shi Lee, Yen-Jie Levin, Andrew Michael Ma, Teng Paus, Christoph M. E. Ralph, Duncan Kelley Stephans, George S. F. Velicanu, Dragos Alexandru Veverka, Jan Wyslouch, Boleslaw Yang, Mingming Zanetti, Marco Bauer, Gerry P Chan, M. Luckey Jr, P David Roland, Christof E Roland, Gunther M Stoeckli, Fabian Sumorok, Konstanty C Wyslouch, Victoria Massachusetts Institute of Technology. Department of Physics Massachusetts Institute of Technology. Laboratory for Nuclear Science Massachusetts Institute of Technology. School of Science Apyan, Aram Barbieri, Richard Alexander Bauer, Gerry P. Busza, Wit Cali, Ivan Amos Chan, Matthew Hans Di Matteo, Leonardo Dutta, Valentina Gomez-Ceballos, Guillelmo Goncharov, Maxim Gulhan, Doga Can Klute, Markus Lai, Yue Shi Lee, Yen-Jie Levin, Andrew Michael Luckey, P. David, Jr. Ma, Teng Paus, Christoph M. E. Ralph, Duncan Kelley Roland, Christof E. Roland, Gunther M. Stephans, George S. F. Stockli, Fabian Sumorok, Konstanty C. Velicanu, Dragos Alexandru Veverka, Jan Wyslouch, Boleslaw Yang, Mingming Zanetti, Marco Zhukova, Victoria A search is presented for a standard model-like Higgs boson decaying to the μ[superscript +]μ[superscript −] or e[superscript +]e[superscript −] final states based on proton–proton collisions recorded by the CMS experiment at the CERN LHC. The data correspond to integrated luminosities of 5.0 fb[superscript −1] at a centre-of-mass energy of 7 TeV and 19.7 fb[superscript −1] at 8 TeV for the μ[superscript +]μ[superscript −] search, and of 19.7 fb[superscript −1] at 8 TeV for the e[superscript +]e[superscript −] search. Upper limits on the production cross section times branching fraction at the 95% confidence level are reported for Higgs boson masses in the range from 120 to 150 GeV. For a Higgs boson with a mass of 125 GeV decaying to μ[superscript +]μ[superscript −], the observed (expected) upper limit on the production rate is found to be 7.4 (6.5[+2.8 over −1.9]) times the standard model value. This corresponds to an upper limit on the branching fraction of 0.0016. Similarly, for e[superscript +]e[superscript −], an upper limit of 0.0019 is placed on the branching fraction, which is ≈3.7 × 10[superscript 5] times the standard model value. These results, together with recent evidence of the 125 GeV boson coupling to τ-leptons with a larger branching fraction consistent with the standard model, confirm that the leptonic couplings of the new boson are not flavour-universal. United States. Dept. of Energy National Science Foundation (U.S.) 2015-08-24T17:54:13Z 2015-08-24T17:54:13Z 2015-03 2015-02 Article http://purl.org/eprint/type/JournalArticle 03702693 http://hdl.handle.net/1721.1/98212 Khachatryan, V., et al. “Search for a Standard Model-Like Higgs Boson in the μ[superscript +]μ[superscript −] and e[superscript +]e[superscript −] Decay Channels at the LHC.” Physics Letters B 744 (May 2015): 184–207. © 2015 CERN for the benefit of the CMS Collaboration https://orcid.org/0000-0002-3831-9071 https://orcid.org/0000-0003-3106-4894 https://orcid.org/0000-0001-6332-5839 https://orcid.org/0000-0001-8983-2169 https://orcid.org/0000-0002-1260-777X https://orcid.org/0000-0002-9418-6656 https://orcid.org/0000-0002-6047-4211 https://orcid.org/0000-0002-7945-005X https://orcid.org/0000-0003-3681-0649 https://orcid.org/0000-0003-1486-606X https://orcid.org/0000-0003-2593-7767 https://orcid.org/0000-0001-9236-6621 https://orcid.org/0000-0002-0869-5631 https://orcid.org/0000-0002-1136-6900 en_US http://dx.doi.org/10.1016/j.physletb.2015.03.048 Physics Letters B Creative Commons Attribution http://creativecommons.org/licenses/by/4.0/ application/pdf Elsevier Elsevier |
| spellingShingle | Apyan, Aram Barbieri, Richard Alexander Busza, Wit Cali, Ivan Amos Di Matteo, Leonardo Dutta, Valentina Gomez-Ceballos, Guillelmo Goncharov, Maxim Gulhan, Doga Can Klute, Markus Lai, Yue Shi Lee, Yen-Jie Levin, Andrew Michael Ma, Teng Paus, Christoph M. E. Ralph, Duncan Kelley Stephans, George S. F. Velicanu, Dragos Alexandru Veverka, Jan Wyslouch, Boleslaw Yang, Mingming Zanetti, Marco Bauer, Gerry P Chan, M. Luckey Jr, P David Roland, Christof E Roland, Gunther M Stoeckli, Fabian Sumorok, Konstanty C Wyslouch, Victoria Search for a standard model-like Higgs boson in the μ[superscript +]μ[superscript −] and e[superscript +]e[superscript −] decay channels at the LHC |
| title | Search for a standard model-like Higgs boson in the μ[superscript +]μ[superscript −] and e[superscript +]e[superscript −] decay channels at the LHC |
| title_full | Search for a standard model-like Higgs boson in the μ[superscript +]μ[superscript −] and e[superscript +]e[superscript −] decay channels at the LHC |
| title_fullStr | Search for a standard model-like Higgs boson in the μ[superscript +]μ[superscript −] and e[superscript +]e[superscript −] decay channels at the LHC |
| title_full_unstemmed | Search for a standard model-like Higgs boson in the μ[superscript +]μ[superscript −] and e[superscript +]e[superscript −] decay channels at the LHC |
| title_short | Search for a standard model-like Higgs boson in the μ[superscript +]μ[superscript −] and e[superscript +]e[superscript −] decay channels at the LHC |
| title_sort | search for a standard model like higgs boson in the μ superscript μ superscript and e superscript e superscript decay channels at the lhc |
| url | http://hdl.handle.net/1721.1/98212 https://orcid.org/0000-0002-3831-9071 https://orcid.org/0000-0003-3106-4894 https://orcid.org/0000-0001-6332-5839 https://orcid.org/0000-0001-8983-2169 https://orcid.org/0000-0002-1260-777X https://orcid.org/0000-0002-9418-6656 https://orcid.org/0000-0002-6047-4211 https://orcid.org/0000-0002-7945-005X https://orcid.org/0000-0003-3681-0649 https://orcid.org/0000-0003-1486-606X https://orcid.org/0000-0003-2593-7767 https://orcid.org/0000-0001-9236-6621 https://orcid.org/0000-0002-0869-5631 https://orcid.org/0000-0002-1136-6900 |
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