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Observation of the charmonium states $\rm \chi_{c1}$ and $\rm \chi_{c2}$ through the radiative decay $\rm J/\psi + \gamma$

This performance plot shows the results for the observation of the charmonium states $\rm \chi_{c1}$ and $\rm \chi_{c2}$ through the radiative decay $\rm J/\psi + \gamma$ produced in pp collisions at $\sqrt{s}$~=~7~TeV using 40 $\rm pb^{-1}$ data collected at the CMS detector. Photons are reconstr...

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Detalles Bibliográficos
Autor principal:	CMS Collaboration
Lenguaje:	eng
Publicado:	2011
Materias:	Detectors and Experimental Techniques
Acceso en línea:	http://cds.cern.ch/record/1344527

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