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http://hdl.handle.net/2445/57951| Title: | Observation of X(3872) production in pp collisions at s√=7 TeV |
| Author: | Abellan Beteta, Carlos Calvo Gómez, Míriam Camboni, Alessandro Comerma Montells, Albert Domingo Bonal, Francesc Garrido Beltrán, Lluís Gascón Fora, David Grabalosa Gándara, Marc Graciani Díaz, Ricardo Graugés Pous, Eugeni López Asamar, Elias Musy, Marco Pérez-Calero Yzquierdo, Antonio Picatoste Olloqui, Eduardo Pie Valls, B. (Blai) Potterat, Cédric Puig Navarro, Albert Roselló, M. Ruiz, Hugo (Ruiz Pérez) Vázquez Gómez, Ricard Vilasis-Cardona, Xavier LHCb Collaboration |
| Keywords: | Física nuclear Hadrons Teoria quàntica de camps Astrofísica Energia nuclear Nuclear physics Hadrons Quantum field theory Astrophysics Nuclear energy |
| Issue Date: | May-2012 |
| Publisher: | EDP Sciences |
| Abstract: | Using 34.7 pb−1 of data collected with the LHCb detector, the inclusive production of the X(3872) meson in pp collisions at s√=7~TeV is observed for the first time. Candidates are selected in the X(3872)→J/ψπ + π − decay mode, and used to measure where σ(pp→X(3872)+anything) is the inclusive production cross section of X(3872) mesons with rapidity in the range 2.5<br>4.5 and transverse momentum in the range 5<br>20 GeV/c. In addition the masses of both the X(3872) and ψ(2S) mesons, reconstructed in the J/ψπ + π − final state, are measured to be mX(3872)=3871.95±0.48 (stat)±0.12 (syst) MeV/c2 and mψ(2S)=3686.12±0.06 (stat)±0.10 (syst) MeV/c2. |
| Note: | Reproducció del document publicat a: http://doi.dx.org/10.1140/epjc/s10052-012-1972-7 |
| It is part of: | European Physical Journal Plus, 2012, vol. 72, num. 1972, p. 1-9 |
| URI: | http://hdl.handle.net/2445/57951 |
| Related resource: | http://dx.doi.org/10.1140/epjc/s10052-012-1972-7 |
| ISSN: | 2190-5444 |
| Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
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