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Abstract:

We study the resummation of large logarithmic perturbative corrections to the partonic cross sections relevant for the process pp→hX at high transverse momentum of the hadron h. These corrections arise near the threshold for the partonic reaction and are associated with soft-gluon emission. We perform the resummation to next-to-leading logarithmic accuracy. We present numerical results for the fixed-target regime and find enhancements over the next-to-leading order cross section, which significantly improve the agreement between theoretical predictions and data. We also apply the resummation for Relativistic Heavy-Ion Collider kinematics and find that subleading terms appear to play a rather important role here. © 2005 The American Physical Society.

Registro:

Documento: Artículo
Título:Threshold resummation for the inclusive-hadron cross section in pp collisions
Autor:De Florian, D.; Vogelsang, W.
Filiación:Departamento de Física, FCEYN, (1428) Pabellón 1 Ciudad Universitaria, Capital Federal, Argentina
Physics Department, RIKEN-BNL Research Center, Brookhaven National Laboratory, Upton, NY 11973, United States
Año:2005
Volumen:71
Número:11
DOI: http://dx.doi.org/10.1103/PhysRevD.71.114004
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:15507998
CODEN:PRVDA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v71_n11_p_DeFlorian

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Citas:

---------- APA ----------
De Florian, D. & Vogelsang, W. (2005) . Threshold resummation for the inclusive-hadron cross section in pp collisions. Physical Review D - Particles, Fields, Gravitation and Cosmology, 71(11).
http://dx.doi.org/10.1103/PhysRevD.71.114004
---------- CHICAGO ----------
De Florian, D., Vogelsang, W. "Threshold resummation for the inclusive-hadron cross section in pp collisions" . Physical Review D - Particles, Fields, Gravitation and Cosmology 71, no. 11 (2005).
http://dx.doi.org/10.1103/PhysRevD.71.114004
---------- MLA ----------
De Florian, D., Vogelsang, W. "Threshold resummation for the inclusive-hadron cross section in pp collisions" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 71, no. 11, 2005.
http://dx.doi.org/10.1103/PhysRevD.71.114004
---------- VANCOUVER ----------
De Florian, D., Vogelsang, W. Threshold resummation for the inclusive-hadron cross section in pp collisions. Phys Rev D Part Fields Gravit Cosmol. 2005;71(11).
http://dx.doi.org/10.1103/PhysRevD.71.114004