D0 Measurement of the elastic p anti-p differential cross section for 0.25<|t|<1.2-GeV**2 at s**(1/2) = 1.96-TeV

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A measurement of the p{bar p} elastic differential cross section, d{sigma}/d|t|, is presented as a function of the four-momentum transfer squared, |t|. The results are obtained from L {approx} 30 nb{sup -1} of data collected by the D0 experiment at {radical}s = 1.96 TeV at the Fermilab Tevatron during a two-day period optimized for low |t| acceptance. In the range 0.25 &lt; |t| &lt; 0.6 GeV{sup 2} the differential cross section is observed to decay more rapidly than in the range 0.6 &lt; |t| &lt; 1.2 GeV2, where a much more gradual decay is observed. A fit of the form ... continued below

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5 pages

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Brandt, Andrew & /Texas U., Arlington January 1, 2010.

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A measurement of the p{bar p} elastic differential cross section, d{sigma}/d|t|, is presented as a function of the four-momentum transfer squared, |t|. The results are obtained from L {approx} 30 nb{sup -1} of data collected by the D0 experiment at {radical}s = 1.96 TeV at the Fermilab Tevatron during a two-day period optimized for low |t| acceptance. In the range 0.25 &lt; |t| &lt; 0.6 GeV{sup 2} the differential cross section is observed to decay more rapidly than in the range 0.6 &lt; |t| &lt; 1.2 GeV2, where a much more gradual decay is observed. A fit of the form d{sigma}/d|t| = C exp-b|t|, performed in the range 0.25 &lt; |t| &lt; 0.6 GeV{sup 2}, yields an exponential slope parameter of b = 16.54 {+-} 0.10(stat) {+-} 0.80(syst) GeV{sup -2}.

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5 pages

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  • Journal Name: PoS DIS2010:059,2010; Conference: Prepared for 18th International Workshop on Deep Inelastic Scattering and Related Subjects (DIS 2010), Florence, Italy, 19-23 Apr 2010

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  • Report No.: FERMILAB-CONF-10-547
  • Grant Number: AC02-07CH11359
  • Office of Scientific & Technical Information Report Number: 1004302
  • Archival Resource Key: ark:/67531/metadc830391

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  • January 1, 2010

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  • May 19, 2016, 3:16 p.m.

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  • Nov. 23, 2016, 12:18 p.m.

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Brandt, Andrew & /Texas U., Arlington. D0 Measurement of the elastic p anti-p differential cross section for 0.25<|t|<1.2-GeV**2 at s**(1/2) = 1.96-TeV, article, January 1, 2010; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc830391/: accessed December 13, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.