Deep-inelastic inclusive e p scattering at low x and a determination of alpha(s).

The H1 collaboration
Eur.Phys.J.C 21 (2001) 33-61, 2001.

Abstract (data abstract)
DESY-HERA. Measurement of the inclusive deep inelastic E+ P scattering cross section in the Q**2 range 1.5 to 150 GeV**2 and X range 0.00003 to 0.2. The data were taken during the 1996 and 1997 HERA running periods and amount to an integrated luminosity of 20 pb-1. The proton structure function F2 and its logarithmic slope is extracted together with the longitudinal structure function FL to typically 1 PCT statistical and 3 PCT systematic uncertainties. From this data, combined with previous H1 data a value of ALPHAS at the Z0 mass is determined to be 0.1150 +- 0.0017 (exp) +0.0009,-0.0005 (model) in NLO with an additional +-0.005 error mainly due to the uncertainty in the renormalization scale.

  • Table 1

    Data from T 9_10,F 6_8_10_14_15

    10.17182/hepdata.46937.v1/t1

    The reduced deep inelastic cross section , and F2, with data taken in the dedicated low Q**2 trigger run of...

  • Table 2

    Data from T 11_12

    10.17182/hepdata.46937.v1/t2

    The reduced deep inelastic cross section , and F2, with data taken in 1996/97. For y < 0.6, F2 is...

  • Table 3

    Data from T 13_14,F 7_12

    10.17182/hepdata.46937.v1/t3

    The measured value of the reduced cross section derivative D(SIG(C=REDUCED))/DLN(Y) calculated at fixed Q**2 bins. The data below 13.5 GeV...

  • Table 4

    Data from T 15,F 9

    10.17182/hepdata.46937.v1/t4

    The longitudinal structure function FL determined from the present data. The first DSYS error is the combined uncorrelated and correlated...

  • Table 5

    Data from T 16_17_18,F 11

    10.17182/hepdata.46937.v1/t5

    The measured values of the derivative DF2/DLN(Q**2), calculated at fixed X bins.

  • Table 6

    Data from P 27(C=PREPRINT)

    10.17182/hepdata.46937.v1/t6

    Value of ALPHAS obtained by combining the H1 data with MU P scattering dataof BCDMS at large X.

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