QCD and Electroweak Boson Production in the Forward Region in LHCb§

Florin Maciuc, on Behalf of the LHCb Collaboration*
Horia Hulubei National Institute of Physics and Nuclear Engineering, Reactorului 30, P.O. Box MG-6, RO-077125, Bucharest Magurele, EU, Romania

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© Maciuc etal.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Horia Hulubei National Institute of Physics and Nuclear Engineering, Reactorului 30, P.O.B. MG-6,RO-077125, Bucharest Magurele, EU, Romania; Tel: 0040729152211; Fax: 00400214574440; E-mail:
§ Presented at the Low x workshop, May 30 - June 4 2013, Rehovot and Eilat, Israel.


Among most recent LHCb measurements relevant in the context of low-x physics include forward energy flow, Z and W cross-section measurements. The energy flow measurements map the forward LHCb acceptance for four classes of events, namely inclusive minimum bias, non-diffractive, diffractive and hard- pT collisions. Estimates from highenergy collision generators - i.e. various PYTHIA tunes and cosmic-ray generators - were compared to the measurement values. Z→ µ+µ+ and W± → µ+µ+ ν (v-) production is measured based on data collected at 7 TeV, results are shown differentially and compared to theoretical pQCD predictions.

PACS number(s): 25.75.Dw, 13.85.-t, 12.38.Bx, 12.38.Cy, 12.38.-t.

Keywords: Central exclusive production, diffraction, low mass states.