Energy flow in interjet radiation
نویسندگان
چکیده
منابع مشابه
Energy Flow in Interjet Radiation
We calculate the distribution of transverse energy, QΩ, radiated into an arbitrary interjet angular region, Ω, in high-pT two-jet events. We find a distribution that can be extrapolated smoothly to QΩ = ΛQCD, where it vanishes. This method provides a class of predictions on transverse energy radiated between jets, as a function of jet energy and rapidity, and of the choice of the region Ω in wh...
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We identify a class of perturbatively computable measures of interjet energy flow, which can be associated with well-defined color flow at short distances. As an illustration, we calculate correlations between event shapes and the flow of energy, QΩ, into an interjet angular region, Ω, in high-pT twojet ee-annihilation events. Laplace transforms with respect to the event shapes suppress states ...
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Resummation in QCD provides insight into the evolution of final state jets from short to long distances, and of accompanying interjet radiation. Applications to event shapes, including the recently-proposed angularities, suggest experimental tests of the interrelations between weakand strong-coupling dynamics. PACS numbers: 11.15.Bt, 12.38.Cy, 12.38.Lg, 12.38.Qk
متن کاملAccounting for coherence in interjet Et flow: a case study
Recently, interest has developed in the distribution of interjet energy flows, with for example the leading-log calculation of the highly non-trivial colour structure of primary emissions in 4-jet systems. Here we point out however that at leading-log level it is insufficient to consider only multiple primary emission from the underlying hard antenna — additionally, one must take into account t...
متن کاملProblems in Resumming Interjet Energy Flows with K T Clustering
We consider the energy flow into gaps between hard jets. It was previously believed that the accuracy of resummed predictions for such observables can be improved by employing the kt clustering procedure to define the gap energy in terms of a sum of energies of soft jets (rather than individual hadrons) in the gap. This significantly reduces the sensitivity to correlated soft large-angle radiat...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2002
ISSN: 0556-2821,1089-4918
DOI: 10.1103/physrevd.65.094031