Heavy-quark QCD exotica

Lebed, Richard F.; Mitchell, R. E.; Swanson, Eric S.

doi:10.1016/j.ppnp.2016.11.003

Cited by 743 publications

(592 citation statements)

References 285 publications

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“…X (3915) is usually identified as the χ c0 (2 p) of charmonium based on its mass and likely J PC [130,145] and this assignment has some problems [146].…”

Section: Masses Of Bottomoniamentioning

confidence: 99%

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Regge trajectories for heavy quarkonia from the quadratic form of the spinless Salpeter-type equation

Chen

2018

Eur. Phys. J. C

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In this paper, we present one new form of the Regge trajectories for heavy quarkonia which is obtained from the quadratic form of the spinless Salpeter-type equation (QSSE) by employing the Bohr-Sommerfeld quantization approach. The obtained Regge trajectories take the parameterized form M 2 = β(c l l + π n r + c 0 ) 2/3 + c 1 , which are different from the present Regge trajectories. Then we apply the obtained Regge trajectories to fit the spectra of charmonia and bottomonia. The fitted Regge trajectories are in good agreement with the experimental data and the theoretical predictions.

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“…X (3915) is usually identified as the χ c0 (2 p) of charmonium based on its mass and likely J PC [130,145] and this assignment has some problems [146].…”

Section: Masses Of Bottomoniamentioning

confidence: 99%

“…In Ref. [145], X (3872) is excluded as being the yet-unobserved conventional charmonium state χ c1 (2P). X (3872) is also discussed in the D 0D * 0 hadronic molecular scenario [147].…”

Section: Masses Of Bottomoniamentioning

confidence: 99%

Regge trajectories for heavy quarkonia from the quadratic form of the spinless Salpeter-type equation

Chen

2018

Eur. Phys. J. C

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“…A induces a mixing in the axial sector for meson states with flavor indices a = (8,15). In this paper we are mainly interested in the axial sector states with a = (9, .., 14) and a = (1, 2, 3), corresponding to the heavy-light charmed mesons and the usual light mesons.…”

Section: The 4-d Effective Actionmentioning

confidence: 99%

“…In this paper we are mainly interested in the axial sector states with a = (9, .., 14) and a = (1, 2, 3), corresponding to the heavy-light charmed mesons and the usual light mesons. Then from now on we will consider for the axial sector only those states where a = (8,15). The axial sector states corresponding to a = (8, 15) have an interesting physical interpretation, e.g η − η c mixing for the pseudoscalar sector, and deserve a further study that will be pursued in a future project.…”

Section: The 4-d Effective Actionmentioning

confidence: 99%

“…The other states are taken to zero. The reason we include a = (8,15) in the vectorial sector is because it contributes to the electromagnetic form factors of the D and D * as shown below in this section. Using also the results in (45)- (46) and evaluating the SU (4) structure constants f abc we arrive at the effective Lagrangians…”

Section: Coupling Constants and Form Factorsmentioning

confidence: 99%

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Strong couplings and form factors of charmed mesons in holographic QCD

2017

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We extend the two-flavor hard-wall holographic model of Erlich, Katz, Son and Stephanov [Phys. Rev. Lett. 95, 261602 (2005)] to four flavors to incorporate strange and charm quarks. The model incorporates chiral and flavor symmetry breaking and provides a reasonable description of masses and weak decay constants of a variety of scalar, pseudoscalar, vector and axial-vector strange and charmed mesons. In particular, we examine flavor symmetry breaking in the strong couplings of the ρ meson to the charmed D and D * mesons. We also compute electromagnetic form factors of the π, ρ, K, K * , D and D * mesons. We compare our results for the D and D * mesons with lattice QCD data and other nonperturbative approaches.

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Heavy Flavors and Exotic Hadrons

Yasui

2022

Understanding the Origin of Matter

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Heavy-quark QCD exotica

Cited by 743 publications

References 285 publications

Regge trajectories for heavy quarkonia from the quadratic form of the spinless Salpeter-type equation

Regge trajectories for heavy quarkonia from the quadratic form of the spinless Salpeter-type equation

Strong couplings and form factors of charmed mesons in holographic QCD

Heavy Flavors and Exotic Hadrons

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