HEPData

Abstract (data abstract)

CERN-LHC. Measurement of the pseudorapidity gap distributions in proton-proton collisions at a centre-of-mass energy of 7 TeV with a minumim bias data sample of integrated luminosity 7.1 mub-1. The pseudorapidity gap variable , denoted here as DELTA(C=RAPGAP), is defined as the larger of the pseudorapidity regions extending to the limits of the ATLAS detector sensitivity at eta=+-4.9, in which no final state particles are observed above a transverse momentum threshold, PT(CUT). The measurements span the region in DELTA(C=RAPGAP) from 0 to 8 for PT(CUT) from 200 to 800 MeV. In the tables the last nine columns show the following percentage uncertainties: dpy6: uncertainty due to modelling of final state particle production. dpho: uncertainty due to modelling of the xi_X and xi_Y and t dependencies. de+: the upward uncertainty due to variations in the relative energy scales. de-: the downward uncertainty due to variations in the relative energy scales. dsd: the upward uncertainty due to the enhancing of the SS/DD cross section ratio. ddd: the downward uncertainty dur to the reducing of the SS/DD cross section ratio. dcd: the uncertainty om the variation of the CD cross section in the unfolding procedure. dmat: the uncertainty in the amount of dead material in the tracking region. dmbts the uncertainty in the minumum bias trigger system response The overall systematic errors reported are the quadratic sum of the positive and negative elements of these individual systematic errors, including the 3.4% luminosity uncertainty. The errors in dpy6, dpho, dcd, dmat and dmbts are treated symmetrically and the errors in de+ and dsd are included in the positive error and de- and ddd in the negative, except where the sign of the error is negative in which case they are included in the opposite polarity error Note added 12/2/2014: The cross section values reported in the tables should be multiplied by factor 1.0187 to take into account the updated value of the integrated luminosity for ATLAS 2010 data taking period. The uncertainty on the global normalisation ('Lumi') increases slightly from 3.4% to 3.5%.See Eur.Phys.J. C73 (2013) 2518 for more detail.

Table 1

Data from T 2, F 6

10.17182/hepdata.58497.v1/t1

The inelastic cross section differential in the forward rapidity gap size, DELTA(C=RAPGAP) for a maximum observed particle transverse momentum of...
https://www.hepdata.net/record/data/51088yaml https://www.hepdata.net/record/data/51088/csvcsv
Table 2

Data from T 2, F 6

10.17182/hepdata.58497.v1/t2

The inelastic cross section differential in the forward rapidity gap size, DELTA(C=RAPGAP) for a maximum observed particle transverse momentum of...
https://www.hepdata.net/record/data/51089yaml https://www.hepdata.net/record/data/51089/csvcsv
Table 3

Data from T 2, F 6

10.17182/hepdata.58497.v1/t3

The inelastic cross section differential in the forward rapidity gap size, DELTA(C=RAPGAP) for a maximum observed particle transverse momentum of...
https://www.hepdata.net/record/data/51090yaml https://www.hepdata.net/record/data/51090/csvcsv
Table 4

Data from T 2, F 6

10.17182/hepdata.58497.v1/t4

The inelastic cross section differential in the forward rapidity gap size, DELTA(C=RAPGAP) for a maximum observed particle transverse momentum of...
https://www.hepdata.net/record/data/51091yaml https://www.hepdata.net/record/data/51091/csvcsv
Table 5

Data from F 10

10.17182/hepdata.58497.v1/t5

The inelastic cross section excluding diffractive processes with xi_X < xi_cut, obtained by integration of the differential cross section from...
https://www.hepdata.net/record/data/51092yaml https://www.hepdata.net/record/data/51092/csvcsv

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