Browsing by Author "Sundu, H."
Now showing items 1-20 of 28
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Decay modes of the scalar exotic meson Tbs;(u)over-bar(d)over-bar(-)
Agaev, S. S.; Azizi, K.; Sundu, H. (Amer Physical Soc, 2019)We investigate the semileptonic decay of the scalar tetraquark T-bs;(u) over bar(d) over bar(-) to final state T(cs;(u) over bar(d) over bar)l (nu) over bar (0)(l), which proceeds due to the weak transition b -> cl (nu) ... -
Determination of the possible quantum numbers for the newly observed Xi(b)(6227)(0) state
The LHCb Collaboration recently reported the observation of a new excited bottom baryon Xi(b)(6227)(0) and announced an improvement in the measurements related to the previously observed Xi(b)(6227)(-) state. We conduct ... -
Determination of the quantum numbers of Sigma(b)(6097)(+/-) via their strong decays
Aliev, T. M.; Azizi, K.; Sarac, Y.; Sundu, H. (Amer Physical Soc, 2019)Recent experimental progress has led to the detection of many new hadrons. Very recently, the LHCb Collaboration announced the observation of two new Sigma(b)(6097)(+/-) states in the Lambda(0)(b)pi(+/-) invariant mass ... -
Double-heavy axial-vector tetraquark T-bc;(u)over-bar(d)over-bar(0)
Agaev, S. S.; Azizi, K.; Sundu, H. (Elsevier, 2020)The mass and coupling of the axial-vector tetraquark T-bc; (u) over bar(d) over bar(0) (in a short form T-bc(0)) are calculated by means of the QCD two-point sum rule method. In computations we take into account contributions ... -
Doubly charged vector tetraquark ZV++=[cu][s?d?]
Agaev, S.S.; Azizi, K.; Sundu, H. (Elsevier B.V., 2021)We explore properties of the doubly charged vector tetraquark ZV++=[cu][s?d?] built of four quarks of different flavors using the QCD sum rule methods. The mass and current coupling of ZV++ are computed in the framework ... -
The doubly charmed pseudoscalar tetraquarks T-cc(;(s)over-bar(s)over-bar)++ and T-cc(;(d)over-bar<(s)over bar>)++
Agaev, S. S.; Azizi, K.; Barsbay, B.; Sundu, H. (Elsevier Science Bv, 2019)The mass and coupling of the doubly charmed J(P) = 0(-) diquark-antidiquark states T-cc (s) over bar(s) over bar(++) and T-cc;(d) over bar<(s)over (++)(bar>) that bear two units of the electric charge are calculated by ... -
A family of double-beauty tetraquarks: Axial-vector state T-bb;(us)over-bar(-)
Agaev, S. S.; Azizi, K.; Barsbay, B.; Sundu, H. (Iop Publishing Ltd, 2021)The spectroscopic parameters and decay channels of the axial-vector tetraquark T-bb;(us) over bar(-) (in what follows T-b;(s) over bar(AV)) are explored using the quantum chromodynamics (QCD) sum rule method. The mass and ... -
Heavy exotic scalar meson T(bb)over-bar;(u)over-bar(s)over-bar
Agaev, S. S.; Azizi, K.; Barsbay, B.; Sundu, H. (Amer Physical Soc, 2020)The spectroscopic parameters and decay channels of the scalar tetraquark T (bb) over bar;(u) over bar(s) over bar (in what follows Th-,) are investigated in the framework of the QCD sum rule method. The mass and coupling ... -
Investigation of P-cs(4459)(0) pentaquark via its strong decay to Lambda J/Psi
Recently the observation of a new pentaquark state, the hidden-charmed strange P-cs(4459)(0), was reported by the LHCb Collaboration. The spin-parity quantum numbers of this state were not determined as a result of ... -
Lambda(b)(6146)(0) state newly observed by LHCb
We study the bottom Lambda(b)(6146)(0) baryon, newly discovered by the LHCb Collaboration. By adopting an interpolating current of (L-rho, L-lambda) = (0, 2) type and D-wave nature with spin-parity quantum numbers J(P) = ... -
Lepton flavor universality violation in semileptonic tree level weak transitions
The recent deviations of the experimental data on some parameters of the tree-level semileptonic B and B-c mesons decays from the standard model (SM) predictions indicate considerable violations of the lepton flavor ... -
Light axial-vector and vector resonances X(2100) and X(2239)
Azizi, K.; Agaev, S. S.; Sundu, H. (Elsevier, 2019)We study features of the resonances X(2100) and X(2239) by treating them as the axial-vector and vector tetraquarks with the quark content ss (ss) over bar, respectively. The spectroscopic parameters of these exotic mesons ... -
Light scalar K-0* (700) meson in vacuum and a hot medium
Azizi, K.; Barsbay, B.; Sundu, H. (Amer Physical Soc, 2019)The K-0* (700) meson appears as the lightest strange scalar meson in Particle Data Group (PDG). Although there were a lot of experimental and theoretical efforts to establish this particle and determine its properties and ... -
Nature of the vector resonance Y(2175)
Agaev, S. S.; Azizi, K.; Sundu, H. (Amer Physical Soc, 2020)Spectroscopic parameters and decay channels of the vector resonance Y(2175) are studied by considering it as a diquark-antidiquark state with the quark content susit. The mass and coupling of the tetraquark Y(2175) are ... -
New charged resonance Z(c)(-)(4100): the spectroscopic parameters and width
Sundu, H.; Agaev, S. S.; Azizi, K. (Springer, 2019)The mass, coupling and width of the newly observed charged resonance Z(c)(-)(4100) are calculated by treating it as a scalar four-quark system with a diquark-antidiquark structure. The mass and coupling of the state ... -
New Lambda(b)(6072)(0) state as a 2S bottom baryon
As a result of continuous developments, the recent experimental searches lead to the observations of new particles at different hadronic channels. Among these hadrons are the excited states of the heavy baryons containing ... -
New scalar resonance X-0(2900) as a (D)over-bar*K* molecule: mass and width
Agaev, S. S.; Azizi, K.; Sundu, H. (Iop Publishing Ltd, 2021)We explore features of the scalar structure X-0(2900), which is one of the two resonances discovered recently by LHCb in the D- K+ invariant mass distribution in the decay B+ -> D+ D- K+. We treat X-0(2900) as a hadronic ... -
Newly discovered Xi(0)(c) resonances and their parameters
Agaev, S. S.; Azizi, K.; Sundu, H. (Springer, 2021)The aim of the present article is investigation of the newly observed resonances Xi(c)(2923)(0), Xi(c)(2939)(0), and Xi(c)(2965)(0) which are real candidates to charm-strange baryons. To this end, we calculate the mass and ... -
The nonet of the light scalar tetraquarks: The mesons a(0)(980) and K-0*(800)
Agaev, S. S.; Azizi, K.; Sundu, H. (Elsevier, 2019)The spectroscopic parameters and partial decay widths of the light mesons a(0)(980) and K-0*(800) are calculated by treating them as scalar diquark-antidiquark states. The masses and couplings of the mesons are found in ... -
Nucleon resonances with spin 3/2 and isospin 1/2
Investigation of the nucleon's excited states has always become an important research topic because of the rich information they provide. Since their first observation, dating back about 70 years, the investigation of their ...