Observation of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow /><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>1</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="italic">P</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>state of charmon

Armstrong, T. A.; Bettoni, D.; Bharadwaj, V.; Biino, C.; Borreani, G.; Broemmelsiek, D.; Buzzo, A.; Calabrese, R.; Ceccucci, A.; Cester, R.; Church, M.; Dalpiaz, P. F.; Dibenedetto, R.; Dimitroyannis, D.; Fabbri, M.; Fast, J. E.; Gianoli, A.; Ginsburg, C. M.; Gollwitzer, K.; Hahn, A.; Hasan, M. A.; Hsueh, S.; Lewis, R.; Luppi, E.; Macrı́, M.; Majewska, A. M.; Mandelkern, M.; Marchetto, F.; Marinelli, M.; Marques, J.; Marsh, W.; Martini, M.; Masuzawa, M.; Menichetti, E.; Migliori, A.; Mussa, R.; Palestini, S.; Pallavicini, M.; Pastrone, N.; Patrignani, C.; Peoples, J.; Pesando, L.; Petrucci, F.; Pia, M.G.; Pordes, S.; Rapidis, P. A.; Ray, R.; Reid, John D.; Rinaudo, G.; Roccuzzo, B.; Rosen, J.; Santroni, A.; Sarmiento, M.; Savrié, M.; Scalisi, Aurora; Schultz, J.; Seth, K. K.; Smith, A.; Smith, Gerald A.; Sozzi, M.; Trokenheim, S.; Weber, M. F.; Werkema, S.; Zhang, Y.; Zhao, Jing; Zioulas, G.

doi:10.1103/physrevlett.69.2337

Cited by 143 publications

(94 citation statements)

References 24 publications

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“…If these data are confirmed, it will be difficult to accommodate such a small hyperfine splitting ≈ 32 MeV (almost four times smaller than 117 MeV splitting for the ground state) in the framework of the quark model. 2 Our prediction for the mass of h c (1 1 P 1 ) is consistent with the data from the Fermilab Experiment E760 [25] on pp → h c (3526) → π 0 J/Ψ which, however, need confirmation. The same is true for the indication of a 1 3 D 2 state with mass 3836 ± 13 MeV in π ± N → J/Ψπ + π − +anything [26].…”

Section: Heavy Quarkonium and B C Meson Mass Spectrasupporting

confidence: 84%

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Properties of heavy quarkonia andBcmesons in the relativistic quark model

2003

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The mass spectra and electromagnetic decay rates of charmonium, bottomonium and B c mesons are comprehensively investigated in the relativistic quark model. The presence of only heavy quarks allows the expansion in powers of their velocities. All relativistic corrections of order v 2 /c 2 , including retardation effects and one-loop radiative corrections, are systematically taken into account in the computations of the mass spectra. The obtained wave functions are used for the calculation of radiative magnetic dipole (M1) and electric dipole (E1) transitions. It is found that relativistic effects play a substantial role. Their account and the proper choice of the Lorentz structure of the quark-antiquark interaction in a meson is crucial for bringing theoretical predictions in accord with experimental data. A detailed comparison of the calculated decay rates and branching fractions with available experimental data for radiative decays of charmonium and bottomonium is presented. The possibilities to observe the currently missing spin-singlet S and P states as well as D states in bottomonium are discussed. The results for B c masses and decays are compared with other quark model predictions.

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Section: Heavy Quarkonium and B C Meson Mass Spectrasupporting

confidence: 84%

“…In the case of the B c meson C V,S (p 2 ) = 0 and thus relativistic corrections lead to spin-flip transitions (S ′ = S ± 1) but only for decays involving mixed states nP 1, nP 1 ′ (24) or nD2, nD2 ′ (25). For all other transitions the spin-flip correction vanishes due to momenta relations (see Eq.…”

Section: Radiative E1 Transitions a E1 Decay Ratesmentioning

confidence: 99%

Properties of heavy quarkonia andBcmesons in the relativistic quark model

2003

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“…[14]. It was first established in pp annihilation by the E760 Collaboration at Fermi Lab in 1992 [15]. With J P C = 1 +− , this state cannot be produced in e + e − annihilation directly.…”

Section: Introductionmentioning

confidence: 99%

Novel analysis of the decaysψ′→hcπ0andηc′→χ
Guo
¹
,
Hanhart
²
,
Li
³

et al. 2010
Phys. Rev. D
53
8
40
0
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We show that in the transitions ψ ′ → hcπ 0 and η ′ c → χc0π 0 the contributions from charmed meson loops are highly suppressed, in contrast to various other charmonium decays. We calculate the width of the ψ ′ → hcπ 0 , which agrees with the recent BES-III data, and predict the width of the η ′ c → χc0π 0 , Γ(η ′ c → χc0π 0 ) = 1.5 ± 0.4 keV. A confirmation of this prediction would also provide additional support for a recent analysis of ψ ′ → J/ψπ 0 (η), where loops are claimed to play a prominent role.

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“…The discovery of h c at √ s = 3526.2 ± 0.15 ± 0.2 MeV with a width of less than 1.1 MeV (90% C.L.) once reported by the E760 experiment in pp annihilation [7] has not yet been confirmed by more recent higher-statistics studies at the E835 experiment [8], an upgraded continuation of E760.…”

Section: Introductionmentioning

confidence: 99%

Search for missing charmonium states in B-meson decays

2002

Physics Letters B

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Observation of the1P1state of charmon

Cited by 143 publications

References 24 publications

Properties of heavy quarkonia andBcmesons in the relativistic quark model

Properties of heavy quarkonia andBcmesons in the relativistic quark model

Novel analysis of the decaysψ′→hcπ0andηc′→χ
Guo
¹
,
Hanhart
²
,
Li
³

et al. 2010
Phys. Rev. D
53
8
40
0
View full text Add to dashboard Cite

Search for missing charmonium states in B-meson decays

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Observation of the1P1state of charmon

Cited by 143 publications

References 24 publications

Properties of heavy quarkonia andBcmesons in the relativistic quark model

Properties of heavy quarkonia andBcmesons in the relativistic quark model

Novel analysis of the decaysψ′→hcπ0andηc′→χGuo1, Hanhart2, Li3 et al. 2010Phys. Rev. D538400View full textAdd to dashboardCite

Search for missing charmonium states in B-meson decays

Contact Info

Product

Resources

About

Novel analysis of the decaysψ′→hcπ0andηc′→χ
Guo
¹
,
Hanhart
²
,
Li
³

et al. 2010
Phys. Rev. D
53
8
40
0
View full text Add to dashboard Cite