Volume 17, Issue 4 ((Iranian Journal of Physics Research,fall 2017)                   IJPR 2017, 17(4): 603-607 | Back to browse issues page


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Khakzad M. Exclusive pipi production in proton-proton collisions at 7 TeV. IJPR. 2017; 17 (4) :603-607
URL: http://ijpr.iut.ac.ir/article-1-2274-en.html
IPM , mohsen@cern.ch
Abstract:   (3246 Views)

The exclusive production of charged pions, are reported in the proton-proton collisions, where the π+π- pair is emitted at the central rapidity, y, and the scattered protons stay intact (p) without detection. This measurement is performed with the CMS detector at the LHC, using a data sample corresponding to an integrated luminosity of 450 μb-1 collected at a center-of-mass energy of  7 TeV. The dipion cross section, measured for single-pion transverse momentum pT > 0.2 GeV/c and rapidity |y| < 2, is 20.5 ± 0.3 (stat) ± 3.1 (syst) ± 0.8 (lumi) μb. The differential cross sections as a function of π+π- invariant mass, is compared to phenomenological predictions. 

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Type of Study: Research | Subject: Experimental

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