Please use this identifier to cite or link to this item:
http://hdl.handle.net/2445/57584
Title: | Precision measurement of D meson mass differences |
Author: | Abellan Beteta, Carlos Calvo Gómez, Míriam Camboni, Alessandro Comerma Montells, Albert Garrido Beltrán, Lluís Graciani Díaz, Ricardo Graugés Pous, Eugeni López Asamar, Elias Oyanguren Campos, Arantza de Pérez-Calero Yzquierdo, Antonio Picatoste Olloqui, Eduardo Potterat, Cédric Rives Molina, Vicente José Ruiz, Hugo (Ruiz Pérez) Ruiz Valls, Pablo Vázquez Gómez, Ricard Vilasis-Cardona, Xavier LHCb Collaboration |
Keywords: | Hadrons Teoria quàntica de camps Teoria quàntica Relativitat (Física) Gravitació Hadrons Quantum field theory Quantum theory Relativity (Physics) Gravitation |
Issue Date: | Jun-2013 |
Publisher: | Springer Verlag |
Abstract: | Using three- and four-body decays of D mesons produced in semileptonic b-hadron decays, precision measurements of D meson mass differences are made together with a measurement of the D 0 mass. The measurements are based on a dataset corresponding to an integrated luminosity of 1.0 fb−1 collected in pp collisions at 7 TeV. Using the decay D 0 → K + K − K − π +, the D 0 mass is measured to be $ M\left( {{D^0}} \right)={{{1864.75\pm 0.15\left( {\mathrm{stat}} \right)\pm 0.11\left( {\mathrm{syst}} \right)\mathrm{MeV}}} \left/ {{{c^2}}} \right.}. $ The mass differences M(D+)−M(D0)=4.76±0.12(stat)±0.07(syst)MeV/c2,M(Ds)−M(D+)=98.68±0.03(stat)±0.04(syst)MeV/c2 are measured using the D 0 → K + K − π + π − and D+(s)→K+K−π+ modes. |
Note: | Reproducció del document publicat a: http://dx.doi.org/10.1007/JHEP06(2013)065 |
It is part of: | Journal of High Energy Physics, 2013, vol. 6, num. 65 |
URI: | http://hdl.handle.net/2445/57584 |
Related resource: | http://dx.doi.org/10.1007/JHEP06(2013)065 |
ISSN: | 1126-6708 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
628991.pdf | 661.3 kB | Adobe PDF | View/Open |
This item is licensed under a Creative Commons License