Inclusive $D^0$ and $D^{\ast }\pm$ Production in Deep Inelastic $ep$ Collisions at HERA

Abstract

First results on inclusive D0 and D* production in deep inelastic $ep$ scattering are reported using data collected by the H1 experiment at HERA in 1994. Differential cross sections are presented for both channels and are found to agree well with QCD predictions based on the boson gluon fusion process. A charm production cross section for 10 GeV${}^2\le Q^2\le 100$~GeV${}^2$ and $0.01\le y\le 0.7$ of $σ(ep\to c\barcX) = (17.4 \pm 1.6 \pm 1.7 \pm 1.4)$~nb is derived. A first measurement of the charm contribution F2_charm(x,Q^2) to the proton structure function for Bjorken $x$ between $8\cdot 10^{-4}$ and $8\cdot 10^{-3}$ is presented. In this kinematic range a ratio F2_charm/F2= 0.237\pm0.021{+0.043\atop-0.039}$ is observed.

27 pages, latex, 7 Figures

References in corpus (4)

• Measurement of the proton and the deuteron structure functions F2p and F2d
• A Measurement of the Proton Structure Function $F_2(x,Q^2)$
• PYTHIA 5.7 and JETSET 7.4 Physics and Manual
• HECTOR 1.00 - A program for the calculation of QED, QCD and electroweak corrections to ep and lN deep inelastic neutral and charged current scattering

Cited by in corpus (80)

• Parton distributions for the LHC
• Uncertainties on alpha_S in global PDF analyses and implications for predicted hadronic cross sections
• Parton distribution functions and benchmark cross sections at NNLO
• Fock Space Distributions, Structure Functions, Higher Twists and Small x
• AAMQS: A non-linear QCD analysis of new HERA data at small-x including heavy quarks
• An Ordered Analysis of Heavy Flavour Production in Deep Inelastic Scattering
• Renormalization Group Improved Small-x Equation
• A unified BFKL and GLAP description of $F_2$ data
• Uncertainties of predictions from parton distributions. I: Theoretical errors
• Impact parameter dependent colour glass condensate dipole model
• Heavy-quark mass dependence in global PDF analyses and 3- and 4-flavour parton distributions
• HERA Collider Physics
• Measurement of the Charm and Beauty Structure Functions using the H1 Vertex Detector at HERA
• D* Production in Deep Inelastic Scattering at HERA
• Measurement of F_2^ccbar and F_2^bbbar at High Q^2 using the H1 Vertex Detector at HERA
• Extracting the dipole cross-section from photo- and electro-production total cross-section data
• Measurement of D^(*+-) Meson Production and F_2^c in Deep-Inelastic Scattering at HERA
• Measurement of F_2^{c\bar{c}} and F_2^{b\bar{b}} at Low Q^2 and x using the H1 Vertex Detector at HERA
• A Practical Procedure for Evolving Heavy Flavour Structure Functions
• Charm quark and D^* cross sections in deeply inelastic scattering at DESY HERA
• Measurement of D* Meson Cross Sections at HERA and Determination of the Gluon Density in the Proton using NLO QCD
• Measurement of the Inclusive Jet Cross Section in $\bar{p}p$ collisions at $\sqrt{s}=1.8$ TeV
• A Global Fit to Scattering Data with NLL BFKL Resummations
• Heavy Quark Initiated Contributions to Deep Inelastic Structure Functions
• Charm Meson Spectra in e^+e^- Annihilation at 10.5 GeV c.m.e
• Further success of the colour dipole model
• Soft Gluon Resummation for Heavy Quark Electroproduction
• Unitarity effects in hard diffraction at HERA
• Geometric Scaling in Inclusive Charm Production
• Structure Functions
• HERA-data in the light of small x evolution with state of the art NLO input
• Measurement of the D* Meson Production Cross Section and F_2^{ccbar}, at High Q^2, in ep Scattering at HERA
• Heavy-quark contributions to the ratio F_L/F_2 at low x
• A Comprehensive Approach to Structure Functions
• Comparison between the various descriptions for charm electroproduction and the HERA-data
• The Effect of LHC Jet Data on MSTW PDFs
• Production of D* Mesons with Dijets in Deep-Inelastic Scattering at HERA
• Constraining the nuclear gluon distribution in $eA$ processes at RHIC
• Resummation of transverse momentum and mass logarithms in DIS heavy-quark production
• Measurement of Charm and Beauty Jets in Deep Inelastic Scattering at HERA
• New parton distributions in fixed flavour factorization scheme from recent deep-inelastic-scattering data
• Transverse momentum dependent parton densities in processes with heavy quark generations
• Intrinsic charm content of the nucleon and charmness-nucleon sigma term
• Heavy Quark Fragmentation in Deep Inelastic Scattering
• Charm and longitudinal structure functions with the Kharzeev-Levin-Nardi model
• A Variable Flavour Number Scheme for Heavy Quark Production at Small x
• D* Meson Production in Deep-Inelastic Diffractive Interactions at HERA
• What Have We Learned About and From F_L(x,Q^2) at HERA?
• On the Determination of Small x Shadowing Corrections at HERA
• High energy factorization predictions for the charm structure function F2^c at HERA
• The predictions of the charm structure function exponents behaviour at low x in deep inelastic scattering
• Parton distribution functions and constraints on the intrinsic charm content of the proton using BHPS approach
• NLO corrections to the hard pomeron behavior of the charm structure functions $F_k^c(k=2,L)$ at low x
• Observation of neutral current charm production in ${\nu }_{\mu }Fe$ scattering at the Tevatron
• Geometrical scaling in charm structure function ratios
• A Complete Leading-Order, Renormalization-Scheme-Consistent Calculation of Structure Functions
• The Ratio of the Charm Structure Functions $F_k^c(k=2,L)$ at Low x in Deep Inelastic Scattering with Respect to the Expansion Method
• Physics of the Nucleon Sea Quark Distributions
• Measurement of D mesons Production in Deep Inelastic Scattering at HERA
• Observation of the strange sea in the proton via inclusive Phi-meson production in neutral current deep inelastic scattering at HERA
• Charm as a Key to Diffractive Processes
• Heavy Quarks in DIS (Theory)
• High Q^2 Deep Inelastic Scattering at HERA
• Regge residues from DGLAP evolution
• Entropy from entangled parton states and high-energy scattering behavior
• QCD coherence in deep inelastic scattering at small x at HERA
• The Bethe-Heitler Process in Polarized Photon-Nucleon Interactions
• Charm Antiquark and Charm Quark in the Nucleon
• Leading log radiative corrections to polarized heavy flavour leptoproduction
• Precocious asymptopia for charm from the running BFKL
• Heavy quark structure functions from unifying the color dipole picture and double asymptotic scaling approaches
• Coefficient Functions and Open Charm Production in Deep Inelastic Scattering
• Heavy quarks structure functions $F_2^{q\bar{q}}(x,Q^2)$ and $F_L^{q\bar{q}}(x,Q^2)$ at the NLO approximation
• Influence of gluon behavior on heavy-quark pair production
• Open Charm Production at HERA
• Lower bounds for open charm and beauty contributions to F_2
• Heavy Quarks in Polarized Structure Functions
• Charm Contribution to the Structure Function in Diffractive Deep Inelastic Scattering
• Log(1/x) Gluon Distribution and Structure Functions in the Loop-Loop Correlation Model
• NLO Calculations for Charm Production in DIS