Compact Muon Solenoid
LHC, CERN
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| CMS-PAS-FSQ-13-006 | ||
| Measurement of the inelastic pPb cross section at 5.02 TeV | ||
| CMS Collaboration | ||
| 2013 | ||
| Abstract: A measurement of the inelastic proton-lead (pPb) cross section at anucleon-nucleon centre-of-mass energy of .02\,$TeV is presented using the CMS detector at the LHC. Inelastic collisions are tagged using the forward calorimeters at pseudorapidities <|\eta|<5$. Two different event selections are used: (i) a coincidence of both sides of the detector, and (ii) a single-sided event selection. These two selections have different sensitivity to contributions from photon induced ($\gamma$p) collisions and hadronic diffractive interactions. The value of the hadronic inelastic cross section is measured within the CMS acceptance and extrapolated to its total value. The photon-induced contribution is subtracted. The final result is $\sigma_{\text{inel}}=2.06\pm0.08\,$b. The uncertainty is dominated by the luminosity determination. This measurement of the inelastic cross section is consistent with the expectation from the Glauber approach. | ||
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Links:
CDS record (PDF) ;
inSPIRE record ;
Public twiki page ;
CADI line (restricted) ; Figures are available from the CDS record. These preliminary results are superseded in this paper, PLB 759 (2016) 641. |
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Compact Muon Solenoid LHC, CERN |
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