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Measurement of the differential cross section d sigma/dt in elastic p(p)over-bar scattering at root s=1.96 TeV
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2012 (English)In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 86, no 1, 012009- p.Article in journal (Refereed) Published
Abstract [en]

We present a measurement of the elastic differential cross section dσ(pp̅ →pp̅ )/dt as a function of the four-momentum-transfer squared t. The data sample corresponds to an integrated luminosity of ≈31  nb-1 collected with the D0 detector using dedicated Tevatron pp̅ Collider operating conditions at √s=1.96  TeV and covers the range 0.26<|t|<1.2  GeV2. For |t|<0.6  GeV2, dσ/dt is described by an exponential function of the form Ae-b|t| with a slope parameter b=16.86±0.10(stat)±0.20(syst)  GeV-2. A change in slope is observed at |t|≈0.6  GeV2, followed by a more gradual |t| dependence with increasing values of |t|.

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2012. Vol. 86, no 1, 012009- p.
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Physical Sciences
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URN: urn:nbn:se:uu:diva-181424DOI: 10.1103/PhysRevD.86.012009ISI: 000306929400001OAI: oai:DiVA.org:uu-181424DiVA: diva2:557383
Available from: 2012-09-27 Created: 2012-09-24 Last updated: 2017-12-07Bibliographically approved

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Buszello, Claus P.

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