NLO QCD corrections to five-jet production at LEP and the extraction of alpha_s(M_Z)

Details NLO QCD corrections to five-jet production at LEP and the extraction of alpha_s(M_Z) NLO QCD corrections to five-jet production at LEP and the extraction of alpha_s(M_Z)

2010-08-31

arxiv.org/abs/1008.5313v2

JHEP 1011:050,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, 5 figures. Published version (3 references addded, 1 sentence rephrased)

Scientific paper

10.1007/JHEP11(2010)050

The highest exclusive jet multiplicity studied at LEP experiments is five. In this paper we compute the next-to-leading order QCD corrections to e+e- annihilation to five jets, essentially closing the (pure) perturbative QCD studies of exclusive jetty final states at LEP. We compare fixed-order perturbative results with ALEPH data. We estimate hadronization corrections to five-jet observables using the event generator SHERPA, which employs the CKKW procedure to combine a reliable perturbative treatment of high-multiplicity jet final states with parton showers. We show that a competitive value of the strong coupling constant alpha_s(M_Z) = 0.1156 +0.0041 -0.0034 can be extracted from the distribution of the five-jet resolution parameter and the five-jet rate at LEP1 and LEP2.

Affiliated with

Also associated with

No associations

Rating

NLO QCD corrections to five-jet production at LEP and the extraction of alpha_s(M_Z) does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with NLO QCD corrections to five-jet production at LEP and the extraction of alpha_s(M_Z), we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and NLO QCD corrections to five-jet production at LEP and the extraction of alpha_s(M_Z) will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-180454