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Title: Properties of Z c ± ( 3900 ) produced in p p ¯ collisions

Journal Article · · Physical Review D
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We study the production of the exotic charged charmoniumlike state Z$$±\atop{c}$$(3900) in $$p$$$\bar{p}$$ collisions through the sequential process ψ(4260)→Z$$±\atop{c}$$(3900)π, Z$$±\atop{c}$$(3900)→J/ψπ±. Using the subsample of candidates originating from semi-inclusive weak decays of b-flavored hadrons, we measure the invariant mass and natural width to be M=3902.6$$+5.2\atop{-5.0}$$(stat)$$+3.3\atop{-1.4}$$(syst) MeV and Γ=32$$+28\atop{-21}$$(stat)$$+26\atop{-7}$$(syst) MeV, respectively. We search for prompt production of the Z$$±\atop{c}$$(3900) through the same sequential process. No significant signal is observed, and we set an upper limit of 0.70 at the 95% credibility level on the ratio of prompt production to the production via b-hadron decays. The study is based on 10.4 fb-1 of $$p$$$\bar{p}$$ collision data collected by the D0 experiment at the Fermilab Tevatron collider.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); Univ. of Mississippi, Oxford, MS (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
D0 Collaboration
Grant/Contract Number:
AC02-07CH11359; SC0012391
OSTI ID:
1545430
Alternate ID(s):
OSTI ID: 1556982; OSTI ID: 1571811; OSTI ID: 1882707
Report Number(s):
arXiv:1905.13704; FERMILAB-PUB-19-253-E; PRVDAQ; 012005
Journal Information:
Physical Review D, Journal Name: Physical Review D Vol. 100 Journal Issue: 1; ISSN 2470-0010
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

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The muon system of the Run II DØdetector
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Measurement of the X(3872) production cross section via decays to J/ψπ + π − in pp collisions at $ \sqrt{s}=7 $ TeV journal April 2013
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Evidence for Z c ± ( 3900 ) in semi-inclusive decays of b -flavored hadrons journal September 2018
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The layer 0 inner silicon detector of the D0 experiment
  • Angstadt, R.; Bagby, L.; Bean, A.
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Observation and Properties of the X ( 3872 ) Decaying to J / ψ π + π in p p ¯ Collisions at s = 1.96 T e V journal October 2004
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The upgraded DØ detector
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Evidence for Z±c(3900) in semi-inclusive decays of b-flavored hadrons text January 2018

Cited By (4)

The muon system of the Run II DØdetector
  • Abazov, V. M.; Acharya, B. S.; Alexeev, G. D.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 552, Issue 3 https://doi.org/10.1016/j.nima.2005.07.008
journal November 2005
The upgraded DØ detector
  • Abazov, V. M.; Abbott, B.; Abolins, M.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 565, Issue 2 https://doi.org/10.1016/j.nima.2006.05.248
journal September 2006
The layer 0 inner silicon detector of the D0 experiment
  • Angstadt, R.; Bagby, L.; Bean, A.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 622, Issue 1 https://doi.org/10.1016/j.nima.2010.04.148
journal October 2010
Properties of $Z_c^{\pm}(3900)$ produced in $p \bar p$ collision text January 2019

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