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   <ow:Publication rdf:about="oai:digibug.ugr.es:10481/62813">
      <dc:title>Observation of a New χb State in Radiative Transitions to Υ(1S) and Υ(2S) at ATLAS</dc:title>
      <dc:creator>Aad, G.</dc:creator>
      <dc:creator>Aguilar Saavedra, Juan Antonio</dc:creator>
      <dc:creator>Atlas Collaboration</dc:creator>
      <dc:description>We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARCARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC, and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST, and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR, and VSC CR, Czech Republic; DNRF, DNSRC, and Lundbeck Foundation, Denmark; ARTEMIS, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, DFG, HGF, MPG, and AvH Foundation, Germany; GSRT, Greece; ISF, MINERVA, GIF, DIP, and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF, and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, U.S. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular, from CERN and the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (U.K.), and BNL (U.S.), and in the Tier-2 facilities worldwide.</dc:description>
      <dc:description>The χb(nP) quarkonium states are produced in proton-proton collisions at the Large Hadron Collider at √s=7  TeV and recorded by the ATLAS detector. Using a data sample corresponding to an integrated luminosity of 4.4  fb−1, these states are reconstructed through their radiative decays to Υ(1S,2S) with Υ→μ+μ−. In addition to the mass peaks corresponding to the decay modes χb(1P,2P)→Υ(1S)γ, a new structure centered at a mass of 10.530±0.005(stat)±0.009(syst)  GeV is also observed, in both the Υ(1S)γ and Υ(2S)γ decay modes. This structure is interpreted as the χb(3P) system.</dc:description>
      <dc:date>2020-07-01T11:50:11Z</dc:date>
      <dc:date>2020-07-01T11:50:11Z</dc:date>
      <dc:date>2012-04-09</dc:date>
      <dc:type>info:eu-repo/semantics/article</dc:type>
      <dc:identifier>G. Aad et al. (ATLAS Collaboration). (2012). Observation of a New Xb State in Radiative Transitions to Y (1S) and Y (2S) at ATLAS. Physical review letters, 108(15) 152001. [https://doi.org/10.1103/PhysRevLett.108.152001]</dc:identifier>
      <dc:identifier>http://hdl.handle.net/10481/62813</dc:identifier>
      <dc:identifier>10.1103/PhysRevLett.108.152001</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>American Physical Society</dc:publisher>
   </ow:Publication>
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