Coherent parton showers with local recoils

We outline a new formalism for dipole-type parton showers which maintain exact energy-momentum conservation at each step of the evolution. Particular emphasis is put on the coherence properties, the level at which recoil effects do enter and the role of transverse momentum generation from initial st...

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Veröffentlicht in:	The journal of high energy physics 2011-01, Vol.2011 (1), Article 24
Hauptverfasser:	Plätzer, Simon, Gieseke, Stefan
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Classical and Quantum Gravitation Coherence Dipoles Elementary Particles Energy conservation Gluons High energy physics Partons Physics Physics and Astronomy Quantum Field Theories Quantum Field Theory Quantum Physics Recoil Relativity Theory Showers String Theory Transverse momentum
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Zusammenfassung:	We outline a new formalism for dipole-type parton showers which maintain exact energy-momentum conservation at each step of the evolution. Particular emphasis is put on the coherence properties, the level at which recoil effects do enter and the role of transverse momentum generation from initial state radiation. The formulated algorithm is shown to correctly incorporate coherence for soft gluon radiation.
ISSN:	1029-8479 1029-8479
DOI:	10.1007/JHEP01(2011)024