Jet Production via Strongly-Interacting Color-Singlet Exchange in $p\bar{p}$ Collisions - INSPIRE

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Jet Production via Strongly-Interacting Color-Singlet Exchange in $p\bar{p}$ Collisions

D0

Collaboration

Sep, 1995

15 pages

Published in:

Phys.Rev.Lett. 76 (1996) 734-739

e-Print:

hep-ex/9509013 [hep-ex]

DOI:

10.1103/PhysRevLett.76.734

Report number:

FERMILAB-PUB-95-302-E

Experiments:

FNAL-E-0740

View in:

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Abstract:

A study of the particle multiplicity between jets with large rapidity separation has been performed using the D\O\ detector at the Fermilab Tevatron

p\bar{p}

Collider operating at

\sqrt{s}=1.8

\,TeV. A significant excess of low-multiplicity events is observed above the expectation for color-exchange processes. The measured fractional excess is

1.07 \pm 0.10({\rm stat})~{ + 0.25}_{- 0.13}({\rm syst})\%

, which is consistent with a strongly-interacting color-singlet (colorless) exchange process and cannot be explained by electroweak exchange alone. A lower limit of

0.80\%

(95\% C.L.) is obtained on the fraction of dijet events with color-singlet exchange, independent of the rapidity gap survival probability.

Note:

15 pages (REVTeX), 3 PS figs (uuencoded/tar compressed, epsf.sty) Complete postcript available at <a href="http://d0sgi0.fnal.gov/d0pubs/journals.html">this http URL</a> Submitted to Physical Review Letters Report-no: FERMILAB-PUB-95/302-E

D0
anti-p p: colliding beams
colliding beams: anti-p p
anti-p p: inclusive reaction
jet: hadroproduction
hadroproduction: jet
final state: (2jet)
(2jet): final state
charged particle: multiplicity
rapidity: gap

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