The polarisation of prompt mesons is measured by performing an angular analysis of decays using proton-proton collision data, corresponding to an integrated luminosity of 1.0, collected by the LHCb detector at a centre-of-mass energy of 7 TeV. The polarisation is measured in bins of transverse momentum and rapidity in the kinematic region and , and is compared to theoretical models. No significant polarisation is observed.
Measurement of ψ(2S) polarisation in pp collisions at √s = 7 TeV
AMERIO, SILVIA;BUSETTO, GIOVANNI;LUCCHESI, DONATELLA;LUPATO, ANNA;SESTINI, LORENZO;SIMI, GABRIELE;STROILI, ROBERTO;
2014
Abstract
The polarisation of prompt mesons is measured by performing an angular analysis of decays using proton-proton collision data, corresponding to an integrated luminosity of 1.0, collected by the LHCb detector at a centre-of-mass energy of 7 TeV. The polarisation is measured in bins of transverse momentum and rapidity in the kinematic region and , and is compared to theoretical models. No significant polarisation is observed.File in questo prodotto:
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