Measurement of hadronic production of the χ1++(3507) and the χ2++(3553) through their radiative decay to

Lemoigne, Y.; Barate, R.; Bareyre, P.; Bonamy, P.; Borgeaud, P.; David, M.; Gentit, F. X.; Laurens, G.; Pietrzyk, B.; Villet, G.; Zaninotti, S.; Astbury, P.; Duane, A.; King, G. J.; Nandi, B.C.; Namjoshi, R.; Websdale, D.; Wiejak, J.; McEwen, J.G.; Brabson, B.; Crittenden, R.R.; Heinz, R.; Krider, J.; Marshall, T.

doi:10.1016/0370-2693(82)90795-x

Cited by 95 publications

(21 citation statements)

References 9 publications

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“…Measurements of χ c production and the ratio of the χ c1 and χ c2 production crosssections have been made previously using various particle beams and energies [9][10][11][12][13]. All the χ b states are below the BB threshold (where B stands for b mesons) and therefore can be studied through their radiative decays to the Υ mesons, in the same way as the χ c states were studied through their radiative decays to the J/ψ meson [13].…”

Section: Jhep10(2014)088mentioning

confidence: 99%

Measurement of the χ b (3P) mass and of the relative rate of χ b1(1P) and χ b2(1P) production

Aaij¹,

Adeva²,

Adinolfi³

et al. 2014

J. High Energ. Phys.

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Section: Jhep10(2014)088mentioning

confidence: 99%

Measurement of the χ b (3P) mass and of the relative rate of χ b1(1P) and χ b2(1P) production

Aaij¹,

Adeva²,

Adinolfi³

et al. 2014

J. High Energ. Phys.

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“…Statistical and systematic errors were quadratically summed. Figure 26 compares the feed-down fraction obtained from our χ c → J/ψ + γ measurement with other experiments over a broad range of collision energy and x F , as well as over many different colliding species [73,[77][78][79][80][81][82][83][84]. The value measured in this work, F J/ψ χc = 32 ± 9%, is consistent with the world average of 25 ± 5 % after accounting for A dependencies in the fixed target experiments [76] 4 .…”

Section: B Total Cross Section Of Inclusive J/ψmentioning

confidence: 99%

Ground and excited state charmonium production inp+pcollisions ats=200 GeV

Adare¹,

Afanasiev²,

Aidala³

et al. 2012

Phys. Rev. D

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We report on charmonium measurements [J/ψ (1S), ψ ′ (2S), and χc (1P)] in p+p collisions at √ s = 200 GeV. We find that the fraction of J/ψ coming from the feed-down decay of ψ ′ and χc in the midrapidity region (|y| < 0.35) is 9.6 ± 2.4% and 32 ± 9%, respectively. We also present the pT and rapidity dependencies of the J/ψ yield measured via dielectron decay at midrapidity (|y| < 0.35) and via dimuon decay at forward rapidity (1.2 < |y| < 2.2). The statistical precision greatly exceeds that reported in our previous publication [Phys. Rev. Lett. 98, 232002 (2007)]. The new results are compared with other experiments and discussed in the context of current charmonium production models.

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“…Measurements of χ c1 and χ c2 production cross-section for various particle beams and energies have been reported in refs. [8][9][10][11][12].…”

Section: Jhep10(2013)115mentioning

confidence: 99%

Measurement of the relative rate of prompt χ c0, χ c1 and χ c2 production at $ \sqrt{s}=7 $ TeV

Aaij¹,

Adeva²,

Adinolfi³

et al. 2013

J. High Energ. Phys.

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Measurement of the relative rate of prompt χ c0 , χ c1 and χ c2 production at √ s = 7 TeVThe LHCb collaboration E-mail: tournefier@lapp.in2p3.frAbstract: Prompt production of charmonium χ c0 , χ c1 and χ c2 mesons is studied using proton-proton collisions at the LHC at a centre-of-mass energy of √ s = 7 TeV. The χ c mesons are identified through their decay to J/ψγ, with J/ψ → µ + µ − using photons that converted in the detector. A data sample, corresponding to an integrated luminosity of 1.0 fb −1 collected by the LHCb detector, is used to measure the relative prompt production rate of χ c1 and χ c2 in the rapidity range 2.0 < y < 4.5 as a function of the J/ψ transverse momentum from 3 to 20 GeV/c. First evidence for χ c0 meson production at a high-energy hadron collider is also presented.

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Measurement of hadronic production of the χ1++(3507) and the χ2++(3553) through their radiative decay to

Cited by 95 publications

References 9 publications

Measurement of the χ b (3P) mass and of the relative rate of χ b1(1P) and χ b2(1P) production

Measurement of the χ b (3P) mass and of the relative rate of χ b1(1P) and χ b2(1P) production

Ground and excited state charmonium production inp+pcollisions ats=200 GeV

Measurement of the relative rate of prompt χ c0, χ c1 and χ c2 production at $ \sqrt{s}=7 $ TeV

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