Transverse Energy and Forward Jet Production in the Low $x$ Regime at HERA

Abstract

The production of transverse energy in deep inelastic scattering is measured as a function of the kinematic variables $x$ and $Q^2$ using the H1 detector at the ep collider HERA. The results are compared to the different predictions based upon two alternative QCD evolution equations, namely the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) and the Balitsky-Fadin-Kuraev-Lipatov (BFKL) equations. In a pseudorapidity interval which is central in the hadronic centre of mass system between the current and the proton remnant fragmentation region the produced transverse energy increases with decreasing $x$ for constant $Q^2$. Such a behaviour can be explained with a QCD calculation based upon the BFKL ansatz. The rate of forward jets, proposed as a signature for BFKL dynamics, has been measured.

16 pages, latex, 4 figures appended as uuencoded file

References in corpus (4)

• A Measurement of the Proton Structure Function $F_2(x,Q^2)$
• QCD Predictions for the Transverse Energy Flow in Deep-Inelastic Scattering in the Small x HERA Regime
• Implications of Scaling Violations of F2 at HERA for Perturbative QCD
• Transverse Energy Flow at HERA

Cited by in corpus (46)

• A Large Hadron Electron Collider at CERN: Report on the Physics and Design Concepts for Machine and Detector
• LEPTO 6.5 - A Monte Carlo Generator for Deep Inelastic Lepton-Nucleon Scattering
• Robust Independent Validation of Experiment and Theory: Rivet version 3
• A Measurement and QCD Analysis of the Proton Structure Function $F_2(x,Q^2)$ at HERA
• Structure Functions of the Nucleon and their Interpretation
• Measurement of Charged Particle Transverse Momentum Spectra in Deep Inelastic Scattering
• Semi-Inclusive Hadron Production at HERA: the Effect of QCD Gluon Resummation
• Forward Jet Production in Deep Inelastic Scattering at HERA
• A Monte Carlo Solution to the BFKL Equation
• QCD uncertainties at the LHC and the implications of HERA
• Induced gravity with a non-minimally coupled scalar field on the brane
• Ratios of dijet production cross sections as a function of the absolute difference in rapidity between jets in proton-proton collisions at sqrt(s) = 7 TeV
• Survey of present data on photon structure functions and resolved photon processes
• Associated Jet Production at HERA
• Phenomenology of multiple parton radiation in semi-inclusive deep-inelastic scattering
• Charged Particle Multiplicities in Deep Inelastic Scattering at HERA
• Forward Jet and Particle Production at HERA
• Resummation for Polarized Semi-Inclusive Deep-Inelastic Scattering at Small Transverse Momentum
• Transverse momentum resummation at small x for the Tevatron and LHC
• Probing BFKL Dynamics in the Dijet Cross Section at Large Rapidity Intervals in ppbar Collisions at sqrt{s}=1800 and 630 GeV
• Strangeness Production in Deep-Inelastic Positron-Proton Scattering at HERA
• A Numerical Estimate of the Small-$k_T$ Region in the BFKL Pomeron
• Forward Jet Production at small x in Next-to-Leading Order QCD
• Forward Pi0-Meson Production at HERA
• A New Method to Probe the low $x$ Parton Dynamics at HERA
• Partons in Phase Space
• Small-x QCD effects in forward-jet and Mueller-Navelet jet production
• Forward Jet Production at HERA in the Low $x$ Regime in Next-to-Leading Order
• Small-x Effects in W + jets Production at the Tevatron
• Comparison of Deep Inelastic Scattering with Photoproduction Interactions at HERA
• Measurement of the Azimuthal Correlation between the most Forward Jet and the Scattered Positron in Deep-Inelastic Scattering at HERA
• Working Group Report on the Structure of the Proton
• Forward ${\pi }^0$ trigger of the deep inelastic + jet probe of BFKL dynamics
• Theoretical issues of small $x$ physics
• Bounds on QCD Instantons from HERA
• Measurement of groomed event shape observables in deep-inelastic electron-proton scattering at HERA
• Soft Colour Interactions and the Diffractive Structure Function
• Deep Inelastic Scattering at HERA
• The contribution of the four-parton final states to gamma* gamma* -> hadrons
• Deep inelastic events containing a forward photon as a probe of small $x$ dynamics
• Differences between Monte Carlo models for DIS at small-x and the relation to BFKL dynamics
• Low $x$ physics and Structure Functions
• Forward Jet Production at HERA
• NLL BFKL and NNLO
• Jet Production by Virtual Photons
• Accessing the Space-Time Development of Heavy-Ion Collisions With Theory And Experiment