Browsing by Author "Agaev, S. S."
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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) ... 
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 ... 
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 ... 
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 ... 
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 ... 
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 ... 
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 diquarkantidiquark 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 fourquark system with a diquarkantidiquark structure. The mass and coupling of the state ... 
New scalar resonance X0(2900) as a (D)overbar*K* molecule: mass and width
Agaev, S. S.; Azizi, K.; Sundu, H. (Iop Publishing Ltd, 2021)We explore features of the scalar structure X0(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 X0(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 charmstrange baryons. To this end, we calculate the mass and ... 
The nonet of the light scalar tetraquarks: The mesons a(0)(980) and K0*(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 K0*(800) are calculated by treating them as scalar diquarkantidiquark states. The masses and couplings of the mesons are found in ... 
The scalar hexaquark uuddss: a candidate to dark matter?
Azizi, K.; Agaev, S. S.; Sundu, H. (Iop Publishing Ltd, 2020)It is conventionally argued that dark matter (DM) has a nonbaryonic nature, but if we assume that DM was frozen out before primordial nucleosynthesis and could not significantly impact primordial abundances this argument ... 
Semileptonic and nonleptonic decays of the axialvector tetraquark Tbb;(u)overbar(d)overbar()
Agaev, S. S.; Azizi, K.; Barsbay, B.; Sundu, H. (Springer, 2021)The semileptonic and nonleptonic decays of the doublebeauty axialvector tetraquark Tbb;(u) over bar(d) over bar() to a state (T) over tilde (0)(bc;(u) over bar(d) over bar) (hereafter Tbb() and (T) over tilde (0)(bc), ... 
Semileptonic decays of the scalar tetraquark Zbc;ud(0)
Sundu, H.; Agaev, S. S.; Azizi, K. (Springer, 2019)8No Abstact Available] 
Stable scalar tetraquark Tbb;(u)overbar(d)overbar()
Agaev, S. S.; Azizi, K.; Barsbay, B.; Sundu, H. (Springer, 2020)The mass and coupling of the scalar tetraquark Tbb;(u) over bar(d) over bar() (hereafter Tb:(d) over bar()) are calculated in the context of the QCD twopoint sum rule method. In computations we take into account effects ... 
Strong decays of doublecharmed pseudoscalar and scalar cc(u)overbar(d)overbar tetraquarks
Agaev, S. S.; Azizi, K.; Sundu, H. (Amer Physical Soc, 2019)The strong decays of the pseudoscalar and scalar doublecharmed tetraquarks Tcc;(u) over bar(d) over bar(+) and (T) over tilde (+)(cc;(u) over bar(d) over bar) are investigated in the framework of the QCD sum rule method. ... 
Vector resonance X1(2900) and its structure
Agaev, S. S.; Azizi, K.; Sundu, H. (Elsevier, 2021)The new vector resonance X1 (2900) observed recently by LHCb in the DK+ invariant mass distribution in the decay B+ > D+ D K+ is studied to uncover internal structure of this state, and calculate its physical parameters. ... 
Weak decays of the axialvector tetraquark Tbb;(u)overbar(d)overbar()
Agaev, S. S.; Azizi, K.; Barsbay, B.; Sundu, H. (Amer Physical Soc, 2019)The weak decays of the axialvector tetraquark Tbb;(u) over bar(d) over bar() to the scalar state Z(bc;(u) over bar(d) over bar)(0) are investigated using the QCD threepoint sum rule approach. In order to explore the ...