Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states
A search for the standard model Higgs boson decaying to a W-boson pair at the LHC is reported. The event sample corresponds to an integrated luminosity of 4.9 fb[superscript −1] and 19.4 fb[superscript −1] collected with the CMS detector in pp collisions at √s = 7 and 8 TeV, respectively. The Higgs...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | en_US |
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Springer-Verlag
2014
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| Online Access: | http://hdl.handle.net/1721.1/87671 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/0000-0002-6047-4211 https://orcid.org/0000-0002-7945-005X https://orcid.org/0000-0003-3681-0649 https://orcid.org/0000-0002-9418-6656 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 Busza, Wit Cali, Ivan Amos Chan, M. Di Matteo, Leonardo Gomez-Ceballos, Guillelmo Goncharov, Maxim Gulhan, Doga Can Klute, Markus Lai, Yue Shi Ma, Teng Paus, Cristoph M. E. Ralph, Duncan Kelley Roland, Cristof E. Stephans, George S. F. Velicanu, Dragos Alexandru Veverka, Jan Wyslouch, Boleslaw Yoon, A. S. Zanetti, Marco Paus, Christoph M. E. Barbieri, Richard Alexander Bauer, Gerry P Dutta, Valentina Lee, Yen-Jie Levin, Andrew Michael Luckey Jr, P David Roland, Gunther M Stoeckli, Fabian Sumorok, Konstanty C Yang, Mingming Wyslouch, Victoria Roland, Christof E |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Apyan, Aram Busza, Wit Cali, Ivan Amos Chan, M. Di Matteo, Leonardo Gomez-Ceballos, Guillelmo Goncharov, Maxim Gulhan, Doga Can Klute, Markus Lai, Yue Shi Ma, Teng Paus, Cristoph M. E. Ralph, Duncan Kelley Roland, Cristof E. Stephans, George S. F. Velicanu, Dragos Alexandru Veverka, Jan Wyslouch, Boleslaw Yoon, A. S. Zanetti, Marco Paus, Christoph M. E. Barbieri, Richard Alexander Bauer, Gerry P Dutta, Valentina Lee, Yen-Jie Levin, Andrew Michael Luckey Jr, P David Roland, Gunther M Stoeckli, Fabian Sumorok, Konstanty C Yang, Mingming Wyslouch, Victoria Roland, Christof E |
| author_sort | Apyan, Aram |
| collection | MIT |
| description | A search for the standard model Higgs boson decaying to a W-boson pair at the LHC is reported. The event sample corresponds to an integrated luminosity of 4.9 fb[superscript −1] and 19.4 fb[superscript −1] collected with the CMS detector in pp collisions at √s = 7 and 8 TeV, respectively. The Higgs boson candidates are selected in events with two or three charged leptons. An excess of events above background is observed, consistent with the expectation from the standard model Higgs boson with a mass of around 125 GeV. The probability to observe an excess equal or larger than the one seen, under the background-only hypothesis, corresponds to a significance of 4.3 standard deviations for m [subscript H] = 125.6 GeV. The observed signal cross section times the branching fraction to WW for m [subscript H] = 125.6 GeV is 0.72[+0.20 over −0.18] times the standard model expectation. The spin-parity J [superscript P] = 0[superscript +] hypothesis is favored against a narrow resonance with J [superscript P] = 2[superscript +] or J [superscript P] = 0[superscript −] that decays to a W-boson pair. This result provides strong evidence for a Higgs-like boson decaying to a W-boson pair. |
| first_indexed | 2024-09-23T10:15:50Z |
| format | Article |
| id | mit-1721.1/87671 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T10:15:50Z |
| publishDate | 2014 |
| publisher | Springer-Verlag |
| record_format | dspace |
| spelling | mit-1721.1/876712023-02-26T08:00:04Z Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states Apyan, Aram Busza, Wit Cali, Ivan Amos Chan, M. Di Matteo, Leonardo Gomez-Ceballos, Guillelmo Goncharov, Maxim Gulhan, Doga Can Klute, Markus Lai, Yue Shi Ma, Teng Paus, Cristoph M. E. Ralph, Duncan Kelley Roland, Cristof E. Stephans, George S. F. Velicanu, Dragos Alexandru Veverka, Jan Wyslouch, Boleslaw Yoon, A. S. Zanetti, Marco Paus, Christoph M. E. Barbieri, Richard Alexander Bauer, Gerry P Dutta, Valentina Lee, Yen-Jie Levin, Andrew Michael Luckey Jr, P David Roland, Gunther M Stoeckli, Fabian Sumorok, Konstanty C Yang, Mingming Wyslouch, Victoria Roland, Christof E 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, R. Bauer, Gerry P. Busza, Wit Cali, Ivan Amos Chan, M. Di Matteo, Leonardo Dutta, V. Gomez-Ceballos, Guillelmo Goncharov, Maxim Gulhan, Doga Can Klute, Markus Lai, Yue Shi Lee, Y.-J. Levin, A. 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, M. Yoon, A. S. Zanetti, Marco Zhukova, Victoria A search for the standard model Higgs boson decaying to a W-boson pair at the LHC is reported. The event sample corresponds to an integrated luminosity of 4.9 fb[superscript −1] and 19.4 fb[superscript −1] collected with the CMS detector in pp collisions at √s = 7 and 8 TeV, respectively. The Higgs boson candidates are selected in events with two or three charged leptons. An excess of events above background is observed, consistent with the expectation from the standard model Higgs boson with a mass of around 125 GeV. The probability to observe an excess equal or larger than the one seen, under the background-only hypothesis, corresponds to a significance of 4.3 standard deviations for m [subscript H] = 125.6 GeV. The observed signal cross section times the branching fraction to WW for m [subscript H] = 125.6 GeV is 0.72[+0.20 over −0.18] times the standard model expectation. The spin-parity J [superscript P] = 0[superscript +] hypothesis is favored against a narrow resonance with J [superscript P] = 2[superscript +] or J [superscript P] = 0[superscript −] that decays to a W-boson pair. This result provides strong evidence for a Higgs-like boson decaying to a W-boson pair. United States. Dept. of Energy National Science Foundation (U.S.) Alfred P. Sloan Foundation 2014-06-06T13:48:57Z 2014-06-06T13:48:57Z 2014-01 2013-12 Article http://purl.org/eprint/type/JournalArticle 1029-8479 1126-6708 http://hdl.handle.net/1721.1/87671 Chatrchyan, S., V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, et al. “Measurement of Higgs Boson Production and Properties in the WW Decay Channel with Leptonic Final States.” J. High Energ. Phys. 2014, no. 1 (January 2014). © 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/0000-0002-6047-4211 https://orcid.org/0000-0002-7945-005X https://orcid.org/0000-0003-3681-0649 https://orcid.org/0000-0002-9418-6656 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/10.1007/jhep01(2014)096 Journal of High Energy Physics Creative Commons Attribution http://creativecommons.org/licenses/by/4.0/ application/pdf Springer-Verlag Springer-Verlag |
| spellingShingle | Apyan, Aram Busza, Wit Cali, Ivan Amos Chan, M. Di Matteo, Leonardo Gomez-Ceballos, Guillelmo Goncharov, Maxim Gulhan, Doga Can Klute, Markus Lai, Yue Shi Ma, Teng Paus, Cristoph M. E. Ralph, Duncan Kelley Roland, Cristof E. Stephans, George S. F. Velicanu, Dragos Alexandru Veverka, Jan Wyslouch, Boleslaw Yoon, A. S. Zanetti, Marco Paus, Christoph M. E. Barbieri, Richard Alexander Bauer, Gerry P Dutta, Valentina Lee, Yen-Jie Levin, Andrew Michael Luckey Jr, P David Roland, Gunther M Stoeckli, Fabian Sumorok, Konstanty C Yang, Mingming Wyslouch, Victoria Roland, Christof E Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states |
| title | Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states |
| title_full | Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states |
| title_fullStr | Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states |
| title_full_unstemmed | Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states |
| title_short | Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states |
| title_sort | measurement of higgs boson production and properties in the ww decay channel with leptonic final states |
| url | http://hdl.handle.net/1721.1/87671 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/0000-0002-6047-4211 https://orcid.org/0000-0002-7945-005X https://orcid.org/0000-0003-3681-0649 https://orcid.org/0000-0002-9418-6656 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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