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The role of in-medium color flow for high-p(T) particle production in A A collisions

The suppression of high-p(T) single-hadron spectra in heavy-ion collisions is usually interpreted as due to parton energy loss of high-momentum quarks and gluons propagating in the plasma. Here, we discuss to what extent this partonic picture must be complemented by a picture of medium-modified hadr...

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Detalles Bibliográficos
Autores principales: Beraudo, A., Milhano, J.G., Wiedemann, U.A.
Lenguaje:eng
Publicado: 2011
Materias:
Acceso en línea:https://dx.doi.org/10.1088/0954-3899/38/12/124118
http://cds.cern.ch/record/1424730
Descripción
Sumario:The suppression of high-p(T) single-hadron spectra in heavy-ion collisions is usually interpreted as due to parton energy loss of high-momentum quarks and gluons propagating in the plasma. Here, we discuss to what extent this partonic picture must be complemented by a picture of medium-modified hadronization. In particular, we show how color exchange with the medium modifies the properties of color-singlet clusters arising from the parton branchings, producing a softening of the hadron spectra.