Browsing by Author "Sundu, Hayriye"
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Analyses of gD*sDK and gB*sBK vertices in QCD sum rules
Süngü, Jale Yılmazkaya; Sundu, Hayriye; Azizi, Kazem (IOP Publishing, 2012)The coupling constants g D*sDK and g B*sBK are calculated in the framework of QCD sum rules. We evaluate the correlation functions of these vertices considering both D(B) and K mesons off-shell and obtain the results as g ... -
Analysis of Ds*DK1 (Bs*BK1) coupling constants within QCD sum rules
Yinelek, Neşe; Süngü, Jale Yılmazkaya; Sundu, Hayriye; Azizi, Kazem (IOP Publishing, 2012)We compute the strong coupling constants for D*sDK1 and B*sBK1 vertices within the QCD sum rules. The coupling constants are calculated for both D(B) and K1 off-shell mesons. -
Analysis of P-c(+)(4380) and P-c(+)(4450) as pentaquark states in the molecular picture with QCD sum rules
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 2017-05-24)To better understand the nature and internal structure of the exotic states discovered by many collaborations, more information on their electromagnetic properties and their strong and weak interactions with other hadrons ... -
Analysis of the semileptonic transition of heavy Xi(Q) baryon to Xi baryon in Light Cone QCD Sum Rules
Saraç, Yasemin; Azizi, Kazem; Sundu, Hayriye (Elsevier, 2013-12)This study presents the analysis of form factor calculations of semileptonic transitions of heavy baryons via light cone QCD sum rules. The work covers the semileptonic transitions of the Xi(b) and Xi(c) baryons. The form ... -
Analysis of the strong D-2* (2460)(0) -> D+ pi(-) and D-s2*(2573)(+) -> D+ K-0 transitions via QCD sum rules
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (Springer, 2014-10-21)The strong D-2* (2460)(0) -> D+ pi(-) and D-s2* (2573)(+) -> D+ K-0 transitions are analyzed via three-point QCD sum rules. First we calculate the corresponding strong coupling constants g(D2)*D pi and g(Ds2)*DK. Then we ... -
Analysis of the structure of Xi (1690) through its decays
Aliev, Takhmasib Mamed; Azizi, Kazem; Sundu, Hayriye (Springer, 2018-05)The mass and pole residue of the first orbitally and radially excited Xi state as well as the ground state residue are calculated by means of the two-point QCD sum rules. Using the obtained results for the spectroscopic ... -
Application of the QCD light cone sum rule to tetraquarks: The strong vertices XbXb rho and XcXc rho
Agaev, Shahin S.; Azizi, Kazem; Sundu, Hayriye (American Physical Society, 2016-06-30)The full version of the QCD light-cone sum rule method is applied to tetraquarks containing a single heavy b or c quark. To this end, investigations of the strong vertices XbXb rho and XcXc rho are performed, where X-b = ... -
B-c Meson at Finite Temperature
Veliev, Elşen Veli; Azizi, Kazem; Sundu, Hayriye; Akşit, Nurcan (Elsevier, 2011)In the present work, we investigate properties of B-c meson in the basis of thermal QCD sum rules. The annihilation and scattering parts of spectral density are calculated in the lowest order of perturbation theory. Taking ... -
Charmed partner of the exotic X(5568) state and its properties
Agaev, Shahin S.; Azizi, Kazem; Sundu, Hayriye (American Physical Society, 2016-05-06)The mass, decay constant, and width of a hypothetical charmed partner X-c of the newly observed exotic X-b(5568) state are calculated using the technique of the QCD sum rule method. The X-c = [su][(c) over bar(d) over bar] ... -
Corrigendum to “Scalar and vector self-energies ofheavy baryons in nuclear medium”
Azizi, Kazem; Er, Nuray; Sundu, Hayriye (Elsevier, 2017)In this erratum, we correct some misprints in equation (13) of our paper Nucl. Phys. A 960 (2017) 147–164. The corrected form of this equation is:[Formula presented] As they are only misprints and their correct forms have ... -
Decay constants of heavy vector mesons at finite temperature
Türkan, Arzu; Veliev, Elşen Veli; Azizi, Kazem; Sundu, Hayriye; Kaya, Gülşah (IOP Publishing, 2012)This study deals with determination of the decay constants of heavy vector mesons in the framework of the thermal QCD sum rules. We calculate both thermal spectral density and non-perturbative contributions taking into ... -
Decay constants of the charmed tensor mesons at finite temperature
Azizi, Kazem; Sundu, Hayriye; Türkan, Arzu; Veliev, Elşen Veli (American Institute of Physics, 2016-01)Investigation of the thermal properties of the mesons with higher spin is one of the important problems in the hadron physics. At finite temperature, the Lorentz invariance is broken by the choice of a preferred frame of ... -
Decay modes of the scalar exotic meson Tbs;(u)over-bar(d)over-bar(-)
Azizi, Kazem; Agaev, Shahin S.; Sundu, Hayriye (American Physical Society, 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) ... -
Decay widths of the excited Omega(b) baryons
Agaev, Shahin S.; Azizi, Kazem; Sundu, Hayriye (American Physical Society, 2017-11)The LHCb Collaboration recently observed five narrow Omega(0)(c) resonances and measured their masses and widths through the decays Omega(0)(c) -> Xi(+)(c) K-. Motivated by this discovery, and also by the fact that the ... -
Determination of the quantum numbers of Σb (6097) (+/-) via their strong decays
Aliev, Takhmasib M.; Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 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 Tbc;u¯d
Agaev, Shahin S.; Azizi, Kazem; Sundu, Hayriye (Elsevier, 2020)The mass and coupling of the axial-vector tetraquark Tbc;u¯d¯ 0 (in a short form Tbc 0) are calculated by means of the QCD two-point sum rule method. In computations we take into account contributions arising from various ... -
The doubly charmed pseudoscalar tetraquarks T-cc(;(s)over-bar(s)over-bar)++ and T-cc(;(d)over-bar<)(s()over bar)>(++)
Agaev, Shahin S.; Azizi, Kazem; Barsbay, Birten; Sundu, Hayriye (Elsevier, 2019-02)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 ... -
Exploring the resonances X(4140) and X(4274) through their decay channels
Agaev, Shahin S.; Azizi, Kazem; Sundu, Hayriye (American Physical Society, 2017-06-06)Investigation of the resonances X(4140) and X(4274), which were recently confirmed by the LHCb Collaboration [1], is carried out by treating them as the color triplet and sextet [cs] [(c) over bar (s) over bar] diquark-antidiquark ... -
Exploring X(5568) as a meson molecule
Agaev, Shahin S.; Azizi, Kazem; Sundu, Hayriye (Springer Verlag, 2016-10)The parameters, i.e. the mass and current coupling of the exotic X(5568) state observed by the D0 Collaboration as well as the decay width of the process X→B0sπ+X→Bs0π+ , are explored using the BK¯¯¯¯¯BK¯ molecule ... -
FCNC transitions of Lambda(b,c) to nucleon in SM
Azizi, Kazem; Bayar, Melahat; Saraç, Yasemin; Sundu, Hayriye (IOP Publishing, 2010-11)We provide a comprehensive study of semileptonic flavor-changing neutral current transitions for Lambda(b) -> nl(+) l(-) and Lambda(c) -> pl(+) l(-) in the context of light cone QCD sum rules. Using the most general form ...
