Charm content of High-p⊥ jets
نویسندگان
چکیده
منابع مشابه
Are Charm and High-p ⊥ Jets the Keys to Understanding Diffraction in Dis ? *
Following an introduction which explains some basic ideas about diffraction, the semiclassical approach to diffraction in deep inelastic scattering (DIS) is outlined. Some phenomenological tests of this picture, concerning the p ⊥ and mass spectra of open charm and jet production are given.
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The diffractive production of high-p⊥ jets in deep-inelastic scattering is studied in the semiclassical approach. The p⊥-spectra of qq̄ and qq̄g diffractive final states are found to be qualitatively different. For qq̄ final states, which are produced by ‘hard’ colour-singlet exchange, the p⊥-spectrum is much softer than for qq̄g final states, where the colour neutralization is ‘soft’. Furthermore,...
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We investigate the charm sector of the nucleon structure phenomenologically, using the most up-to-date global QCD analysis. Going beyond the common assumption of purely radiatively generated charm, we explore possible degrees of freedom in the parton parameter space associated with nonperturbative (intrinsic) charm in the nucleon. Specifically, we explore the limits that can be placed on the in...
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The two particle inclusive cross section for the reaction p + ¯ p → γ + c + X is studied in perturbative quantum chromodynamics at order O(α 2 s). Differential distributions are provided for various observables, and a comparison is made with preliminary data from the CDF collaboration.
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Recent radio and x-ray data from radio sources in galaxy clusters are used to place constraints on the particle content and kinematics of jets that supply these radio sources. These data show that the pdV work required to inflate the radio lobes in the ICM exceeds all other estimates of the amount of energy needed to supply the observed radio emission. If the required jet energy density has an ...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 1985
ISSN: 0370-2693
DOI: 10.1016/0370-2693(85)91365-6