Search for heavy neutrinos or third-generation leptoquarks in final states with two hadronically decaying τ leptons and two jets in proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV
A search for new particles has been conducted using events with two high transverse momentum (pT) τ leptons that decay hadronically, at least two high-pT jets, and missing transverse energy from the τ lepton decays. The analysis is performed using data from proton-proton collisions, collected by the...
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| author | CMS Collaboration Abercrombie, Daniel Robert Allen, Brandon Leigh Apyan, Aram Barbieri, Richard Alexander Baty, Austin Alan Bi, Ran Bierwagen, Katharina Brandt, Stephanie Akemi Busza, Wit Cali, Ivan Amos Demiragli, Zeynep Di Matteo, Leonardo Gomez-Ceballos, Guillelmo Goncharov, Maxim Hsu, Dylan George Iiyama, Yutaro Innocenti, Gian Michele Klute, Markus Kovalskyi, Dmytro Krajczar, Krisztian F. Lai, Yue Shi Lee, Yen-Jie Levin, Amy Elizabeth Luckey Jr, P David Maier, Benedikt Marini, Andrea Carlo McGinn, Christopher Francis Mironov, Camelia Maria Narayanan, Siddharth Madhavan Niu, Xinmei Paus, Christoph M. E. Roland, Christof E Roland, Gunther M Salfeld-Nebgen, Jakob Maxillian Henry Stephans, George S. F. Sumorok, Konstanty C Tatar, Kaya Varma, Mukund Madhav Velicanu, Dragos Alexandru Veverka, Jan Wang, Jing Wang, Ta-Wei Wyslouch, Boleslaw Yang, Ming Wyslouch, Victoria |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics CMS Collaboration Abercrombie, Daniel Robert Allen, Brandon Leigh Apyan, Aram Barbieri, Richard Alexander Baty, Austin Alan Bi, Ran Bierwagen, Katharina Brandt, Stephanie Akemi Busza, Wit Cali, Ivan Amos Demiragli, Zeynep Di Matteo, Leonardo Gomez-Ceballos, Guillelmo Goncharov, Maxim Hsu, Dylan George Iiyama, Yutaro Innocenti, Gian Michele Klute, Markus Kovalskyi, Dmytro Krajczar, Krisztian F. Lai, Yue Shi Lee, Yen-Jie Levin, Amy Elizabeth Luckey Jr, P David Maier, Benedikt Marini, Andrea Carlo McGinn, Christopher Francis Mironov, Camelia Maria Narayanan, Siddharth Madhavan Niu, Xinmei Paus, Christoph M. E. Roland, Christof E Roland, Gunther M Salfeld-Nebgen, Jakob Maxillian Henry Stephans, George S. F. Sumorok, Konstanty C Tatar, Kaya Varma, Mukund Madhav Velicanu, Dragos Alexandru Veverka, Jan Wang, Jing Wang, Ta-Wei Wyslouch, Boleslaw Yang, Ming Wyslouch, Victoria |
| author_sort | CMS Collaboration |
| collection | MIT |
| description | A search for new particles has been conducted using events with two high transverse momentum (pT) τ leptons that decay hadronically, at least two high-pT jets, and missing transverse energy from the τ lepton decays. The analysis is performed using data from proton-proton collisions, collected by the CMS experiment in 2015 at √s = 13 TeV, corresponding to an integrated luminosity of 2.1 fb⁻¹. The results are interpreted in two physics models. The first model involves heavy right-handed neutrinos, Nℓ(ℓ = e, μ, τ), and right-handed charged bosons, WR, arising in a left-right symmetric extension of the standard model. Masses of the W[subscript R] boson below 2.35 (1.63) TeV are excluded at 95% confidence level, assuming the N[subscript τ]mass is 0.8 (0.2) times the mass of the W[subscript R] boson and that only the N[subscript τ]flavor contributes to the W[subscript R]decay width. In the second model, pair production of third-generation scalar leptoquarks that decay into ττbb is considered. Third-generation scalar leptoquarks with masses below 740 GeV are excluded, assuming a 100% branching fraction for the leptoquark decay to a τ lepton and a bottom quark. This is the first search at hadron colliders for the third-generation Majorana neutrino, as well as the first search for third-generation leptoquarks in the final state with a pair of hadronically decaying τ leptons and jets. Keywords: Beyond Standard Model; Hadron-Hadron scattering (experiments); protonproton scattering |
| first_indexed | 2024-09-23T10:08:08Z |
| format | Article |
| id | mit-1721.1/118478 |
| institution | Massachusetts Institute of Technology |
| last_indexed | 2024-09-23T10:08:08Z |
| publishDate | 2018 |
| publisher | Springer Nature |
| record_format | dspace |
| spelling | mit-1721.1/1184782022-09-26T15:57:22Z Search for heavy neutrinos or third-generation leptoquarks in final states with two hadronically decaying τ leptons and two jets in proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV CMS Collaboration Abercrombie, Daniel Robert Allen, Brandon Leigh Apyan, Aram Barbieri, Richard Alexander Baty, Austin Alan Bi, Ran Bierwagen, Katharina Brandt, Stephanie Akemi Busza, Wit Cali, Ivan Amos Demiragli, Zeynep Di Matteo, Leonardo Gomez-Ceballos, Guillelmo Goncharov, Maxim Hsu, Dylan George Iiyama, Yutaro Innocenti, Gian Michele Klute, Markus Kovalskyi, Dmytro Krajczar, Krisztian F. Lai, Yue Shi Lee, Yen-Jie Levin, Amy Elizabeth Luckey Jr, P David Maier, Benedikt Marini, Andrea Carlo McGinn, Christopher Francis Mironov, Camelia Maria Narayanan, Siddharth Madhavan Niu, Xinmei Paus, Christoph M. E. Roland, Christof E Roland, Gunther M Salfeld-Nebgen, Jakob Maxillian Henry Stephans, George S. F. Sumorok, Konstanty C Tatar, Kaya Varma, Mukund Madhav Velicanu, Dragos Alexandru Veverka, Jan Wang, Jing Wang, Ta-Wei Wyslouch, Boleslaw Yang, Ming Wyslouch, Victoria Massachusetts Institute of Technology. Department of Physics Massachusetts Institute of Technology. Laboratory for Nuclear Science Abercrombie, Daniel Robert Allen, Brandon Leigh Apyan, Aram Barbieri, Richard Alexander Baty, Austin Alan Bi, Ran Bierwagen, Katharina Brandt, Stephanie Akemi Busza, Wit Cali, Ivan Amos Demiragli, Zeynep Di Matteo, Leonardo Gomez-Ceballos, Guillelmo Goncharov, Maxim Hsu, Dylan George Iiyama, Yutaro Innocenti, Gian Michele Klute, Markus Kovalskyi, Dmytro Krajczar, Krisztian F. Lai, Yue Shi Lee, Yen-Jie Levin, Amy Elizabeth Luckey Jr, P David Maier, Benedikt Marini, Andrea Carlo McGinn, Christopher Francis Mironov, Camelia Maria Narayanan, Siddharth Madhavan Niu, Xinmei Paus, Christoph M. E. Roland, Christof E Roland, Gunther M Salfeld-Nebgen, Jakob Maxillian Henry Stephans, George S. F. Sumorok, Konstanty C Tatar, Kaya Varma, Mukund Madhav Velicanu, Dragos Alexandru Veverka, Jan Wang, Jing Wang, Ta-Wei Wyslouch, Boleslaw Yang, Ming Wyslouch, Victoria A search for new particles has been conducted using events with two high transverse momentum (pT) τ leptons that decay hadronically, at least two high-pT jets, and missing transverse energy from the τ lepton decays. The analysis is performed using data from proton-proton collisions, collected by the CMS experiment in 2015 at √s = 13 TeV, corresponding to an integrated luminosity of 2.1 fb⁻¹. The results are interpreted in two physics models. The first model involves heavy right-handed neutrinos, Nℓ(ℓ = e, μ, τ), and right-handed charged bosons, WR, arising in a left-right symmetric extension of the standard model. Masses of the W[subscript R] boson below 2.35 (1.63) TeV are excluded at 95% confidence level, assuming the N[subscript τ]mass is 0.8 (0.2) times the mass of the W[subscript R] boson and that only the N[subscript τ]flavor contributes to the W[subscript R]decay width. In the second model, pair production of third-generation scalar leptoquarks that decay into ττbb is considered. Third-generation scalar leptoquarks with masses below 740 GeV are excluded, assuming a 100% branching fraction for the leptoquark decay to a τ lepton and a bottom quark. This is the first search at hadron colliders for the third-generation Majorana neutrino, as well as the first search for third-generation leptoquarks in the final state with a pair of hadronically decaying τ leptons and jets. Keywords: Beyond Standard Model; Hadron-Hadron scattering (experiments); protonproton scattering 2018-10-15T15:56:44Z 2018-10-15T15:56:44Z 2017-03 2016-12 2018-09-26T12:45:24Z Article http://purl.org/eprint/type/JournalArticle 1029-8479 http://hdl.handle.net/1721.1/118478 Khachatryan, V. et al. “Search for Heavy Neutrinos or Third-Generation Leptoquarks in Final States with Two Hadronically Decaying τ Leptons and Two Jets in Proton-Proton Collisions at √s = 13 TeV.” Journal of High Energy Physics 2017, 3 (March 2017): 77 © 2017 The Author(s) https://orcid.org/0000-0003-0293-1944 https://orcid.org/0000-0002-4371-2038 https://orcid.org/0000-0002-9418-6656 https://orcid.org/0000-0002-7945-005X https://orcid.org/0000-0001-5310-3466 https://orcid.org/0000-0003-3951-4634 https://orcid.org/0000-0002-2622-8295 https://orcid.org/0000-0002-8590-2673 https://orcid.org/0000-0002-3831-9071 https://orcid.org/0000-0002-2822-3375 https://orcid.org/0000-0001-8521-737X https://orcid.org/0000-0002-8696-1747 https://orcid.org/0000-0002-8297-5930 https://orcid.org/0000-0003-4511-0855 https://orcid.org/0000-0002-0869-5631 https://orcid.org/0000-0002-6923-293X https://orcid.org/0000-0003-1486-606X https://orcid.org/0000-0003-2593-7767 https://orcid.org/0000-0003-2351-0487 https://orcid.org/0000-0003-1281-0193 https://orcid.org/0000-0002-8599-2437 https://orcid.org/0000-0003-2723-3560 https://orcid.org/0000-0001-7842-1591 https://orcid.org/0000-0002-6047-4211 https://orcid.org/0000-0002-7312-5854 https://orcid.org/0000-0001-8983-2169 https://orcid.org/0000-0003-3879-5622 https://orcid.org/0000-0003-3106-4894 https://orcid.org/0000-0002-6448-0168 https://orcid.org/0000-0001-8261-8346 https://orcid.org/0000-0002-1260-777X https://orcid.org/0000-0001-5259-1883 https://orcid.org/0000-0002-0899-7621 https://orcid.org/0000-0003-3681-0649 https://orcid.org/0000-0002-2850-9007 http://dx.doi.org/10.1007/JHEP03(2017)077 Journal of High Energy Physics Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0/ application/pdf Springer Nature Springer |
| spellingShingle | CMS Collaboration Abercrombie, Daniel Robert Allen, Brandon Leigh Apyan, Aram Barbieri, Richard Alexander Baty, Austin Alan Bi, Ran Bierwagen, Katharina Brandt, Stephanie Akemi Busza, Wit Cali, Ivan Amos Demiragli, Zeynep Di Matteo, Leonardo Gomez-Ceballos, Guillelmo Goncharov, Maxim Hsu, Dylan George Iiyama, Yutaro Innocenti, Gian Michele Klute, Markus Kovalskyi, Dmytro Krajczar, Krisztian F. Lai, Yue Shi Lee, Yen-Jie Levin, Amy Elizabeth Luckey Jr, P David Maier, Benedikt Marini, Andrea Carlo McGinn, Christopher Francis Mironov, Camelia Maria Narayanan, Siddharth Madhavan Niu, Xinmei Paus, Christoph M. E. Roland, Christof E Roland, Gunther M Salfeld-Nebgen, Jakob Maxillian Henry Stephans, George S. F. Sumorok, Konstanty C Tatar, Kaya Varma, Mukund Madhav Velicanu, Dragos Alexandru Veverka, Jan Wang, Jing Wang, Ta-Wei Wyslouch, Boleslaw Yang, Ming Wyslouch, Victoria Search for heavy neutrinos or third-generation leptoquarks in final states with two hadronically decaying τ leptons and two jets in proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV |
| title | Search for heavy neutrinos or third-generation leptoquarks in final states with two hadronically decaying τ leptons and two jets in proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV |
| title_full | Search for heavy neutrinos or third-generation leptoquarks in final states with two hadronically decaying τ leptons and two jets in proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV |
| title_fullStr | Search for heavy neutrinos or third-generation leptoquarks in final states with two hadronically decaying τ leptons and two jets in proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV |
| title_full_unstemmed | Search for heavy neutrinos or third-generation leptoquarks in final states with two hadronically decaying τ leptons and two jets in proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV |
| title_short | Search for heavy neutrinos or third-generation leptoquarks in final states with two hadronically decaying τ leptons and two jets in proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV |
| title_sort | search for heavy neutrinos or third generation leptoquarks in final states with two hadronically decaying τ leptons and two jets in proton proton collisions at s 13 sqrt s 13 tev |
| url | http://hdl.handle.net/1721.1/118478 https://orcid.org/0000-0003-0293-1944 https://orcid.org/0000-0002-4371-2038 https://orcid.org/0000-0002-9418-6656 https://orcid.org/0000-0002-7945-005X https://orcid.org/0000-0001-5310-3466 https://orcid.org/0000-0003-3951-4634 https://orcid.org/0000-0002-2622-8295 https://orcid.org/0000-0002-8590-2673 https://orcid.org/0000-0002-3831-9071 https://orcid.org/0000-0002-2822-3375 https://orcid.org/0000-0001-8521-737X https://orcid.org/0000-0002-8696-1747 https://orcid.org/0000-0002-8297-5930 https://orcid.org/0000-0003-4511-0855 https://orcid.org/0000-0002-0869-5631 https://orcid.org/0000-0002-6923-293X https://orcid.org/0000-0003-1486-606X https://orcid.org/0000-0003-2593-7767 https://orcid.org/0000-0003-2351-0487 https://orcid.org/0000-0003-1281-0193 https://orcid.org/0000-0002-8599-2437 https://orcid.org/0000-0003-2723-3560 https://orcid.org/0000-0001-7842-1591 https://orcid.org/0000-0002-6047-4211 https://orcid.org/0000-0002-7312-5854 https://orcid.org/0000-0001-8983-2169 https://orcid.org/0000-0003-3879-5622 https://orcid.org/0000-0003-3106-4894 https://orcid.org/0000-0002-6448-0168 https://orcid.org/0000-0001-8261-8346 https://orcid.org/0000-0002-1260-777X https://orcid.org/0000-0001-5259-1883 https://orcid.org/0000-0002-0899-7621 https://orcid.org/0000-0003-3681-0649 https://orcid.org/0000-0002-2850-9007 |
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