Multiple Interactions and Saturation in High Energy Collisions
(2006) Memorial Workshop Devoted to the 75th Birthday of V N Gribov In [Host publication title missing] p.167179 Abstract
 Energy conservation is a large part of the NLO corrections to BFKL. A formalism is presented which includes effects of energymomentum conservation in the dipole formalism in transverse coordinate space. Energy conservation gives a very strong suppression at small x, which implies that the effect of multipomeron exchange and saturation are pushed to very small xvalues or very high energies. Perturbative QCD and PDFs from HERA can describe jets and Etflow in high energy pp collisions, but the multiplicity distributions are much more sensitive to nonperturbative effects. Analyses of minimum bias and underlying events show that colours appear to combine to give strings which are as short as possible, in a way very different from e+e... (More)
 Energy conservation is a large part of the NLO corrections to BFKL. A formalism is presented which includes effects of energymomentum conservation in the dipole formalism in transverse coordinate space. Energy conservation gives a very strong suppression at small x, which implies that the effect of multipomeron exchange and saturation are pushed to very small xvalues or very high energies. Perturbative QCD and PDFs from HERA can describe jets and Etflow in high energy pp collisions, but the multiplicity distributions are much more sensitive to nonperturbative effects. Analyses of minimum bias and underlying events show that colours appear to combine to give strings which are as short as possible, in a way very different from e+e annihilation. This leads to important questions about the properties of the pomeron, the relation between high multiplicity events and diffraction, and the applicability of the AGK cutting rules. (Less)
Please use this url to cite or link to this publication:
http://lup.lub.lu.se/record/745793
 author
 Gustafson, Gösta ^{LU}
 publishing date
 2006
 type
 Chapter in Book/Report/Conference proceeding
 publication status
 published
 subject
 in
 [Host publication title missing]
 editor
 Dokshitzer, Yu. L.; Lévai, P. and Nyíri, J.
 pages
 167  179
 publisher
 World Scientific
 conference name
 Memorial Workshop Devoted to the 75th Birthday of V N Gribov
 external identifiers

 Scopus:84894461648
 ISBN
 9812567569
 language
 English
 LU publication?
 no
 id
 bb39d891682b4f58a979b1aa393f2899 (old id 745793)
 date added to LUP
 20071218 15:23:21
 date last changed
 20170101 07:56:04
@inproceedings{bb39d891682b4f58a979b1aa393f2899, abstract = {Energy conservation is a large part of the NLO corrections to BFKL. A formalism is presented which includes effects of energymomentum conservation in the dipole formalism in transverse coordinate space. Energy conservation gives a very strong suppression at small x, which implies that the effect of multipomeron exchange and saturation are pushed to very small xvalues or very high energies. Perturbative QCD and PDFs from HERA can describe jets and Etflow in high energy pp collisions, but the multiplicity distributions are much more sensitive to nonperturbative effects. Analyses of minimum bias and underlying events show that colours appear to combine to give strings which are as short as possible, in a way very different from e+e annihilation. This leads to important questions about the properties of the pomeron, the relation between high multiplicity events and diffraction, and the applicability of the AGK cutting rules.}, author = {Gustafson, Gösta}, booktitle = {[Host publication title missing]}, editor = {Dokshitzer, Yu. L. and Lévai, P. and Nyíri, J.}, isbn = {9812567569}, language = {eng}, pages = {167179}, publisher = {World Scientific}, title = {Multiple Interactions and Saturation in High Energy Collisions}, year = {2006}, }