Probing small x parton densities in ultraperipheral AA and pA collisions at the LHC - INSPIRE

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Probing small x parton densities in ultraperipheral AA and pA collisions at the LHC

Mark Strikman
(
- Penn State U.
)
,
Ramona Vogt
(
- UC, Davis and
- LBL, Berkeley
)
,
Sebastian N. White
(
- Brookhaven
)

Aug, 2005

4 pages

Published in:

Phys.Rev.Lett. 96 (2006) 082001

e-Print:

hep-ph/0508296 [hep-ph]

DOI:

10.1103/PhysRevLett.96.082001

View in:

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Abstract:

We calculate production rates for several hard processes in ultraperipheral proton-nucleus and nucleus-nucleus collisions at the LHC. The resulting high rates demonstrate that some key directions in small

x

research proposed for HERA will be accessible at the LHC through these ultraperipheral processes. Indeed, these measurements can extend the HERA

x

range by roughly a factor of 10 for similar virtualities. Nonlinear effects on the parton densities will thus be significantly more important in these collisions than at HERA.

nucleus nucleus: nuclear reaction
p nucleus: nuclear reaction
lead
photon: emission
photon nucleus: inclusive reaction
photon p: inclusive reaction
photon gluon: fusion
jet: photoproduction
diffraction: production
quark: momentum spectrum

References(10)

Figures(0)

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)

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,
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)

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•
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