Measurement of ψ(2S) polarisation in pp collisions at √s = 7 TeV

Sarti, Alessio; Sciubba, Adalberto

doi:10.1140/epjc/s10052-014-2872-9

The polarisation of prompt ψ(2S) mesons is measured by performing an angular analysis of ψ(2S) → μ+μ- decays using proton-proton collision data, corresponding to an integrated luminosity of 1.0 fb-1, collected by the LHCb detector at a centre-of-mass energy of 7 TeV. The polarisation is measured in bins of transverse momentum pT and rapidity y in the kinematic region 3.5 < pT < 15 GeV/c and 2.0 < y < 4.5, and is compared to theoretical models. No significant polarisation is observed. © 2014 CERN for the benefit of the LHCb collaboration.

Measurement of ψ(2S) polarisation in pp collisions at √s = 7 TeV / Sarti, Alessio; Sciubba, Adalberto. - In: THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS. - ISSN 1434-6044. - STAMPA. - 74(2014), pp. 1-12. [10.1140/epjc/s10052-014-2872-9]

Titolo:	Measurement of ψ(2S) polarisation in pp collisions at √s = 7 TeV
Autori:	SARTI, ALESSIO SCIUBBA, Adalberto
Data di pubblicazione:	2014
Rivista:	THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
Citazione:	Measurement of ψ(2S) polarisation in pp collisions at √s = 7 TeV / Sarti, Alessio; Sciubba, Adalberto. - In: THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS. - ISSN 1434-6044. - STAMPA. - 74(2014), pp. 1-12. [10.1140/epjc/s10052-014-2872-9]
Handle:	http://hdl.handle.net/11573/665105
Appartiene alla tipologia:	01a Articolo in rivista

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