Browsing by Author "Azizi, K."
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Decay modes of the scalar exotic meson Tbs;(u)overbar(d)overbar()
Agaev, S. S.; Azizi, K.; Sundu, H. (Amer Physical Soc, 2019)We investigate the semileptonic decay of the scalar tetraquark Tbs;(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 ... 
Doubleheavy axialvector tetraquark Tbc;(u)overbar(d)overbar(0)
Agaev, S. S.; Azizi, K.; Sundu, H. (Elsevier, 2020)The mass and coupling of the axialvector tetraquark Tbc; (u) over bar(d) over bar(0) (in a short form Tbc(0)) are calculated by means of the QCD twopoint 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 Tcc(;(s)overbar(s)overbar)++ and Tcc(;(d)overbar<(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() diquarkantidiquark states Tcc (s) over bar(s) over bar(++) and Tcc;(d) over bar<(s)over (++)(bar>) that bear two units of the electric charge are calculated by ... 
Effects of a dense medium on parameters of doubly heavy baryons
The spectroscopic properties of the doubly heavy spin1/2 baryons Xi(QQ'), Xi(QQ')', Omega(QQ'), and Omega(QQ')', with heavy quarks Q and Q' being b or/and c, are investigated in cold nuclear matter. In particular, the ... 
Effects of vector leptoquarks on Lambda(b) > Lambda(c)l(v)overbar(l) decay
Azizi, K.; Olgun, A. T.; Tavukoglu, Z. (Iop Publishing Ltd, 2021)Experimental data on, R(D(*()), R(K(*()), and R(J/psi),, provided by different collaborations, show sizable deviations from the standard model predictions. To describe these anomalies, many new physics scenarios have ... 
A family of doublebeauty tetraquarks: Axialvector state Tbb;(us)overbar()
Agaev, S. S.; Azizi, K.; Barsbay, B.; Sundu, H. (Iop Publishing Ltd, 2021)The spectroscopic parameters and decay channels of the axialvector tetraquark Tbb;(us) over bar() (in what follows Tb;(s) over bar(AV)) are explored using the quantum chromodynamics (QCD) sum rule method. The mass and ... 
Fate of the doubly heavy spin3/2 baryons in a dense medium
We investigate the behavior of the doubly heavy spin3/2 baryons in cold nuclear matter. In particular, we study the variations of the spectroscopic parameters of the ground state Xi(QQ')* and Omega(QQ')* particles, with ... 
Gravitational form factors of hyperons in lightcone QCD
The quark parts of the gravitational form factors of hyperons are calculated by means of the lightcone QCD sum rule. In the calculations, the distribution amplitudes (DAs) of Sigma, Xi, and Lambda together with the general ... 
Gravitational form factors of N (1535) in QCD
We calculate the gravitational form factors of the excited N(1535) state with the quantum numbers I (J(P)) = 1/2 (1/2()) via light cone QCD sum rules (LCSR). To this end, we consider the quark part of the energymomentum ... 
Gravitational transition form factors of N(1535) > N
We employ the quark part of the symmetric energymomentum tensor current to calculate the transition gravitational form factors of the N(1535) > N by means of the lightcone QCD sum rule formalism. In numerical analysis, ... 
Heavy exotic scalar meson T(bb)overbar;(u)overbar(s)overbar
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 Pcs(4459)(0) pentaquark via its strong decay to Lambda J/Psi
Recently the observation of a new pentaquark state, the hiddencharmed strange Pcs(4459)(0), was reported by the LHCb Collaboration. The spinparity 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 (Lrho, Llambda) = (0, 2) type and Dwave nature with spinparity 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 treelevel semileptonic B and Bc mesons decays from the standard model (SM) predictions indicate considerable violations of the lepton flavor ... 
Light axialvector 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 axialvector and vector tetraquarks with the quark content ss (ss) over bar, respectively. The spectroscopic parameters of these exotic mesons ... 
Light scalar K0* (700) meson in vacuum and a hot medium
Azizi, K.; Barsbay, B.; Sundu, H. (Amer Physical Soc, 2019)The K0* (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 ... 
Magnetic dipole moment of the Z(cs) (3985) state: diquarkantidiquark and molecular pictures
We calculate the magnetic dipole moment of the newly observed charged hiddencharmed open strange Z(cs) (3985)() state, recently observed by BESIII Collaboration. Based on the information provided by the experiment and ...