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   <ow:Publication rdf:about="oai:digibug.ugr.es:10481/60075">
      <dc:title>Search for Higgs boson pair production in the WW(∗)WW(∗) decay channel using ATLAS data recorded at s√=13 TeV</dc:title>
      <dc:creator>Aaboud, M.</dc:creator>
      <dc:creator>Aguilar Saavedra, Juan Antonio</dc:creator>
      <dc:creator>Atlas Collaboration</dc:creator>
      <dc:subject>Hadron-Hadron scattering (experiments)</dc:subject>
      <dc:description>A search for a pair of neutral, scalar bosons with each decaying into two W bosons is presented using 36.1 fb−1 of proton-proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the Large Hadron Collider. This search uses three production models: non-resonant and resonant Higgs boson pair production and resonant production of a pair of heavy scalar particles. Three final states, classified by the number of leptons, are analysed: two same-sign leptons, three leptons, and four leptons. No significant excess over the expected Standard Model backgrounds is observed. An observed (expected) 95% confidence-level upper limit of 160 (120) times the Standard Model prediction of non-resonant Higgs pair production cross-section is set from a combined analysis of the three final states. Upper limits are set on the production cross-section times branching ratio of a heavy scalar X decaying into a Higgs boson pair in the mass range of 260 GeV ≤mX≤ 500 GeV and the observed (expected) limits range from 9.3 (10) pb to 2.8 (2.6) pb. Upper limits are set on the production cross-section times branching ratio of a heavy scalar X decaying into a pair of heavy scalars S for mass ranges of 280 GeV ≤mX≤ 340 GeV and 135 GeV ≤mS≤ 165 GeV and the observed (expected) limits range from 2.5 (2.5) pb to 0.16 (0.17) pb.</dc:description>
      <dc:date>2020-03-06T09:55:00Z</dc:date>
      <dc:date>2020-03-06T09:55:00Z</dc:date>
      <dc:date>2019-05-21</dc:date>
      <dc:type>info:eu-repo/semantics/article</dc:type>
      <dc:identifier>Bertoli, G., Bohm, C., Carney, R., Clément, C., Gellerstedt, K., Hellman, S., ... &amp; Pasuwan, P. (2019). Search for Higgs boson pair production in the WW(∗)WW(∗) decay channel using ATLAS data recorded at s√=13 TeV. Journal of High Energy Physics (JHEP), (5).</dc:identifier>
      <dc:identifier>http://hdl.handle.net/10481/60075</dc:identifier>
      <dc:identifier>10.1007/JHEP05(2019)124</dc:identifier>
      <dc:language>eng</dc:language>
      <dc:rights>http://creativecommons.org/licenses/by/3.0/es/</dc:rights>
      <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
      <dc:rights>Atribución 3.0 España</dc:rights>
      <dc:publisher>Springer Nature</dc:publisher>
   </ow:Publication>
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