Measurement of the differential cross section dσ/dt in elastic $p\bar{p}$ scattering at sqrt(s)=1.96 TeV

Abstract

We present a measurement of the elastic differential cross section $d\sigma (p\bar{p}\to p\bar{p})/dt$ as a function of the four-momentum-transfer squared t. The data sample corresponds to an integrated luminosity of $\approx 31n{b}^{-1}$ collected with the D0 detector using dedicated Tevatron $p\bar{p}$ Collider operating conditions at sqrt(s) = 1.96 TeV and covers the range $0.26<|t|<1.2Ge{V}^2$. For $|t|<0.6Ge{V}^2$, dσ/dt is described by an exponential function of the form $A{e}^{-b|t|}$ with a slope parameter $b=16.86\pm 0.10(stat)\pm 0.20(syst)Ge{V}^{-2}$. A change in slope is observed at $|t|\approx 0.6Ge{V}^2$, followed by a more gradual |t| dependence with increasing values of |t|.

12 pages, 12 figures, 1 table, submitted to Phys. Rev. D, FERMILAB-PUB-12-263-E

References in corpus (2)

• Measurement of the inclusive jet cross section in $p\bar{p}$ collisions at $\sqrt{s}=1.96\mathrm{TeV}$
• Hadronic forward scattering: Predictions for the Large Hadron Collider and cosmic rays

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