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Title: Evidence for Simultaneous Production of J/ψ and Υ Mesons

Journal Article · · Physical Review Letters
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  1. et al.

We report evidence for the simultaneous production of J/ψ and Υ mesons in 8.1 fb$$^{-1}$$of data collected at $$\sqrt{s}$$ = 1.96 TeV by the D0 experiment at the Fermilab $$p\bar{p}$$ Tevatron Collider. Events with these characteristics are expected to be produced predominantly by gluon-gluon interactions. In this analysis, we extract the effective cross section characterizing the initial parton spatial distribution, σ$$_{eff}$$=2.2±0.7(stat)±0.9(syst) mb.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
D0 Collaboration
DOE Contract Number:
SC00112704
OSTI ID:
1246819
Report Number(s):
BNL-112033-2016-JA; KA1101021
Journal Information:
Physical Review Letters, Vol. 116; ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English

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Cited By (20)

Observation of Y(1S) pair production in proton-proton collisions at s = 8 $$ \sqrt{s}=8 $$ TeV journal May 2017
Measurement of the J/ψ pair production cross-section in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV journal June 2017
Associated production of a quarkonium and a Z boson at one loop in a quark-hadron-duality approach journal October 2016
Study of hard double-parton scattering in four-jet events in pp collisions at s = 7 $$ \sqrt{s}=7 $$ TeV with the ATLAS experiment journal November 2016
Double parton scattering in pair production of J / ψ mesons at the LHC revisited journal February 2017
Deuteron-like states composed of two doubly charmed baryons journal June 2017
Double parton scattering of weak gauge boson productions at the 13 TeV and 100 TeV proton-proton colliders journal February 2018
Complete Study of Hadroproduction of a ϒ Meson Associated with a Prompt J / ψ journal August 2016
Triple Prompt J / ψ Hadroproduction as a Hard Probe of Multiple-Parton Scatterings journal May 2019
Evidence for $$\text {W}\text {W}$$WW production from double-parton interactions in proton–proton collisions at $$\sqrt{s} = 13 \,\text {TeV} $$s=13TeV journal January 2020
Two-loop splitting in double parton distributions journal January 2019
Sum rule improved double parton distributions in position space text January 2020
Two-loop splitting in double parton distributions text January 2019
Sum rule improved double parton distributions in position space text January 2020
Evidence for $\text {W}\text {W}$ production from double-parton interactions in proton–proton collisions at $\sqrt{s} = 13 \,\text {TeV} $ text January 2020
Sum rule improved double parton distributions in position space journal May 2020
Evidence for $\text {W}\text {W}$ production from double-parton interactions in proton-proton collisions at $\sqrt{s} = 13 \,\text {TeV} text January 2019
Two-loop splitting in double parton distributions text January 2019
Associated production of a quarkonium and a Z boson at one loop in a quark-hadron-duality approach text January 2016
Double Parton Scattering of Weak Gauge Boson Productions at the 13 TeV and 100 TeV Proton-Proton Colliders text January 2017

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