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Measurement of the phi(eta)* distribution of muon pairs with masses between 30 and 500 GeV in 10.4 fb(-1) of p(p)over-bar collisions
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2015 (English)In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 91, no 7, 072002Article in journal (Refereed) Published
Abstract [en]

We present a measurement of the distribution of the variable phi(eta)* for muon pairs with masses between 30 and 500 GeV, using the complete run II data set collected by the D0 detector at the Fermilab Tevatron proton-antiproton collider. This corresponds to an integrated luminosity of 10.4 fb(-1) at root s = 1.96 TeV. The data are corrected for detector effects and presented in bins of dimuon rapidity and mass. The variable phi(eta)* probes the same physical effects as the Z/gamma* boson transverse momentum, but is less susceptible to the effects of experimental resolution and efficiency. These are the first measurements at any collider of the phi(eta)* distributions for dilepton masses away from the Z --> l(+)l(-) boson mass peak. The data are compared to QCD predictions based on the resummation of multiple soft gluons.

Place, publisher, year, edition, pages
2015. Vol. 91, no 7, 072002
National Category
Physical Sciences
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URN: urn:nbn:se:uu:diva-252173DOI: 10.1103/PhysRevD.91.072002ISI: 000352191000002OAI: oai:DiVA.org:uu-252173DiVA: diva2:810183
Available from: 2015-05-06 Created: 2015-05-04 Last updated: 2017-12-04Bibliographically approved

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