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Title: Observation and studies of double J / ψ production at the Tevatron

Journal Article · · Physical Review. D, Particles, Fields, Gravitation and Cosmology
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We present the observation of doubly-produced $$J/\psi$$ mesons with the D0 detector at Fermilab in $$p\bar{p}$$ collisions at $$\sqrt{s}=1.96$$ TeV. The production cross section for both singly and doubly-produced $$J/\psi$$ mesons is measured using a sample with an integrated luminosity of 8.1fb$$^{-1}$$. For the first time, the double $$J/\psi$$ production cross section is separated into contributions due to single and double parton scatterings. Using these measurements, we determine the effective cross section $$\sigma_{eff}$$, a parameter characterizing an effective spatial area of the parton-parton interactions and related to the parton spatial density inside the nucleon.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
D0 Collaboration
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
1295697
Alternate ID(s):
OSTI ID: 1180055
Report Number(s):
FERMILAB-PUB-14-176-E; arXiv:1406.2380; 1299990
Journal Information:
Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 90, Issue 11; ISSN 1550-7998
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 77 works
Citation information provided by
Web of Science

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Cited By (18)

Measurement of the J/ψ pair production cross-section in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV journal June 2017
Prompt J / ψ production in association with a top quark pair at the LHC journal October 2019
Sum rule improved double parton distributions in position space text January 2020
Double parton scattering of weak gauge boson productions at the 13 TeV and 100 TeV proton-proton colliders journal February 2018
Two-loop splitting in double parton distributions text January 2019
Cancellation of Glauber gluon exchange in the double Drell-Yan process text January 2016
Open charm production in double parton scattering processes in the forward kinematics journal December 2016
Observation of Y(1S) pair production in proton-proton collisions at s = 8 $$ \sqrt{s}=8 $$ TeV journal May 2017
Two-loop splitting in double parton distributions journal January 2019
Associated production of a quarkonium and a Z boson at one loop in a quark-hadron-duality approach journal October 2016
Sum rule improved double parton distributions in position space text January 2020
Complete Study of Hadroproduction of a ϒ Meson Associated with a Prompt J / ψ journal August 2016
Sum rule improved double parton distributions in position space journal May 2020
Double prompt J/ψ hadroproduction in the parton Reggeization approach with high-energy resummation text January 2019
Two-loop splitting in double parton distributions text January 2019
Cancellation of Glauber gluon exchange in the double Drell-Yan process text January 2015
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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