Search for heavy resonances decaying into two Higgs bosons or into a Higgs boson and a W or Z boson in proton-proton collisions at 13 TeV
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A search is presented for massive narrow resonances decaying either into two Higgs bosons, or into a Higgs boson and a W or Z boson. The decay channels considered are $$ \mathrm{H}\mathrm{H}\to \mathrm{b}\overline{\mathrm{b}}{\tau}^{+}{\tau}^{-} $$ and $$ \mathrm{V}\mathrm{H}\to \mathrm{q}\overline{\mathrm{q}}{\tau}^{+}{\tau}^{-} $$ , where H denotes the Higgs boson, and V denotes the W or Z boson. This analysis is based on a data sample of proton-proton collisions collected at a center-of-mass energy of 13 TeV by the CMS Collaboration, corresponding to an integrated luminosity of 35.9 fb$$^{−1}$$. For the TeV-scale mass resonances considered, substructure techniques provide ways to differentiate among the hadronization products from vector boson decays to quarks, Higgs boson decays to bottom quarks, and quark- or gluon-induced jets. Reconstruction techniques are used that have been specifically optimized to select events in which the tau lepton pair is highly boosted. The observed data are consistent with standard model expectations and upper limits are set at 95% confidence level on the product of cross section and branching fraction for resonance masses between 0.9 and 4.0 TeV. Exclusion limits are set in the context of bulk radion and graviton models:spin-0 radion resonances are excluded below a mass of 2.7 TeV at 95% confidence level. In the spin-1 heavy vector triplet framework, mass-degenerate W′ and Z′ resonances with dominant couplings to the standard model gauge bosons are excluded below a mass of 2.8 TeV at 95% confidence level. These are the first limits for massive resonances at the TeV scale with these decay channels at $$ \sqrt{s}=13 $$ TeV.
- Research Organization:
- Ecole Polytechnique; Rutgers U., Piscataway; VINCA Inst. Nucl. Sci., Belgrade; Ioannina U.; Piri Reis U., Istanbul; Texas A&M U. Qatar, Doha; Korea U.; Isfahan Tech. U.; Inst. Scintill. Mat., Kharkiv; Siena U.; University Coll., Dublin; Baylor U.; Pisa, Scuola Normale Superiore; INFN, Pavia; UC, Davis; IRFU, Saclay; Piemonte Orientale U., Novara; Moscow, MIPT; Purdue U., Calumet; Brandenburg Tech. U.; Cukurova U.; Natl. Tech. U., Athens; CHEP, Taegu; Panjab U.; Bari U.; Debrecen, Inst. Nucl. Res.; Moscow, INR; Rutherford; Zurich, ETH; Southampton U.; Notre Dame U.; Puerto Rico U., Mayaguez; Monash U.; INFN, Rome; MOSTI, Malaysian Nucl. Agency, Kajang; Vanderbilt U.; Madrid, Autonoma U.; Florida U.; Ruhuna U.; Sofiya, Inst. Nucl. Res.; Hanyang U.; Democritos Nucl. Res. Ctr.; Taiwan, Natl. Taiwan U.; CINVESTAV, IPN; Bologna U.; U. Debrecen, Inst. Phys.; Florida Intl. U.; Peking U.; IIUM, Kuala Lumpur; Brussels U.; Strasbourg, IPHC; Bhabha Atomic Res. Ctr.; Saha Inst.; Caltech; Cornell U.; Malaya U.; INFN, Perugia; San Francisco de Quito U.; UC, Riverside; Chulalongkorn U.; Dubna, JINR; Louvain U.; Rio de Janeiro State U.; Maryland U.; Ain Shams U., Cairo; Delhi U.; St. Petersburg, INP; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Rio Grande do Sul U.; Milan Bicocca U.; Helsinki Inst. of Phys.; Basilicata U., Potenza; Sao Paulo, IFT; NICPB, Tallinn; Indian Inst. Tech., Madras; Guglielmo Marconi U.; Seoul Natl. U.; Lebedev Inst.; Nebraska U.; Carnegie Mellon U.; Tbilisi State U.; Vilnius U.; Moscow State U.; PSI, Villigen; Erzincan U.; Marmara U.; INFN, Genoa; Split U.; Pisa U.; U. Campinas; Catania U.; Necmettin Erbakan U., Konya; Boskovic Inst., Zagreb; Visva Bharati U.; INFN, Bari; Padua U.; Beijing, Inst. High Energy Phys.; Istanbul, Tech. U.; Rome U.; Imperial Coll., London; Mississippi U.; SUNY, Buffalo; Utah Valley U.; Sungkyunkwan U.; Cairo U.; Johns Hopkins U.; Tennessee U.; Illinois U., Chicago; INFN, Florence; Puebla U., Inst. Fis.; Sinop U.; Istanbul Aydin U.; Andes U., Bogota; Novosibirsk, IYF; Islamic Azad U., Sci. Res. Branch, Tehran; Northeastern U.; Wisconsin U., Madison; TIFR, Mumbai, DHEP; Bangalore, Indian Inst. Sci.; Split Tech. U.; Stefan Meyer Inst. Subatomare Phys.; Fayoum U.; Helsinki U.; INFN, Trieste; Mersin U.; Northwestern U.; Jeddah U.; Warsaw U.; Gaziosmanpasa U.; TU Vienna; IAC, La Laguna; Kansas U.; Gent U.; St. Petersburg Polytechnic Inst.; Turin U.; Madrid, CIEMAT; Lappeenranta U. Tech.; Warsaw U. of Tech.; Yazd U.; IPM, Tehran; Serpukhov, IHEP; Istanbul Bilgi U.; Bhubaneswar, NISER; Pavia U.; Sofiya U.; Mimar Sinan U.; UC, Santa Barbara; Wayne State U.; CERN; Trieste U.; Colorado U.; Alabama U.; Bethel Coll.; Florida State U.; GTU, Tbilisi; Tsinghua U., Beijing; Vienna, OAW; Moscow, ITEP; BeiHang U.; Brunel U.; Rockefeller U.; Iowa U.; Oviedo U.; Zurich U.; Aachen, Tech. Hochsch.; Belgrade U.; Bristol U.; ABC Federal U.; KIT, Karlsruhe, EKP; Taiwan, Natl. Central U.; Antwerp U.; Yerevan Phys. Inst.; Kharkov, KIPT; Virginia U.; Cairo, Acad. Sci. Res. Tech.; Bingöl U.; INFN, Bologna; MIT; Florence U.; Ohio State U.; Eotvos U.; Adiyaman U.; CC, Villeurbanne; DESY; Novosibirsk State U.; UC, San Diego; Frascati; Indian Inst. Tech., Bhubaneswar; Bari Polytechnic; Chonnam Natl. U.; Budapest, RMKI; Perugia U.; LIP, Lisbon; Minsk, Inst. Nucl. Problems; Genoa U.; Brown U.; Izmir Inst. Tech.; Vrije U., Brussels; Princeton U.; INFN, Milan Bicocca; Texas A-M; Kafkas U.; Hamburg U.; Haute Alsace U.; Pelotas U.; Kansas State U.; Texas Tech.; INFN, Pisa; Lyon, IPN; Florida Inst. Tech.; Beykent U.; Rio de Janeiro, CBPF; IISER, Pune; Boston U.; Seoul U.; Athens U.; Quaid-i-Azam U.; Moscow Phys. Eng. Inst.; Minnesota U.; Catholic U. America; Riga Tech. U.; Rochester U.; Iberoamericana U.; Conacyt, Mexico; Naples U.; INFN, Naples; Cyprus U.; INFN, Turin; San Luis Potosi U.; Rice U.; Canterbury U.; INFN, Padua; Middle East Tech. U., Ankara; Charles U.; Cantabria Inst. of Phys.; Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); NCBJ, Swierk; Bhubaneswar, Inst. Phys.; Purdue U.; Bogazici U.; INFN, Catania; British U. in Egypt; UCLA; Auckland U.
- Sponsoring Organization:
- US Department of Energy
- Grant/Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1475060
- Report Number(s):
- FERMILAB-PUB-18-536-CMS; CMS-B2G-17-006; CERN-EP-2018-182; oai:inspirehep.net:1685235; arXiv:1808.01365
- Journal Information:
- JHEP, Journal Name: JHEP Vol. 01
- Country of Publication:
- United States
- Language:
- English
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