Browsing by Author "Azizi, Kazem"
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Charmed partner of the exotic X(5568) state and its properties
Agaev, Shahin S.; Azizi, Kazem; Sundu, Hayriye (American Physical Society, 20160506)The mass, decay constant, and width of a hypothetical charmed partner Xc of the newly observed exotic Xb(5568) state are calculated using the technique of the QCD sum rule method. The Xc = [su][(c) over bar(d) over bar] ... 
Comparative analysis of the semileptonic Lambda(b) > Lambda l(+)l() transition in SM and different SUSY scenarios using form factors from full QCD
Azizi, Kazem; Kartal, Sehban; Olgun, Asiye Tuğba; Tavukoğlu, Zeynep (Springer Verlag, 201210)We work out the semileptonic Lambda(b) > Lambda l(+)l() transition in standard as well as different supersymmetric models. In particular, considering the parametrization of the matrix elements entered the low energy ... 
Comparative analysis of the Λb → Λℓ+ℓ decay in the SM, SUSY, and RS model with custodial protection
Azizi, Kazem; Olgun, Asiye Tuğba; Tavukoğlu, Zeynep (American Physical Society, 20151230)We comparatively analyze the rare Λb→Λℓ+ℓ channel in the standard model, supersymmetry, and RandallSundrum model with custodial protection (RSc). Using the parametrization of the matrix elements entering the lowenergy ... 
A comparative study on B > K*l(+)l() and B > K0*(1430)l(+)l() decays in the supersymmetric models
Bashiry, Vali; Bayar, Melahat; Azizi, Kazem (World Scientific Publishing, 20110420)In this paper, we compare the branching ratio and rate difference of electron channel to muon channel of B > K0*(1430)l(+)l() and B > K*l(+)l() decays, where K0*(1430) is the pwave scalar meson, in the supersymmetric ... 
Constraint on compactification scale via recently observed baryonic nu(b) > nu l(+)l() channel and analysis of the Sigma(b) > Sigma l(+)l() transition in SM and UED scenario
Azizi, Kazem; Kartal, Sehban; Katırcı, Nihan; Olgun, Asiye Tuğba; Tavukoğlu, Zeynep (Springer Verlag, 201205)We obtain a lower limit on the compactification scale of extra dimension via comparison of the branching ratio in the baryonic A(b) > A mu(+)mu() decay channel recently measured by CDF collaboration and our previous ... 
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 nonperturbative contributions taking into ... 
Decay constants of the charmed tensor mesons at finite temperature
Azizi, Kazem; Sundu, Hayriye; Türkan, Arzu; Veliev, E. Veli (American Institute of Physics, 201601)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 widths of the excited Omega(b) baryons
Agaev, Shahin S.; Azizi, Kazem; Sundu, Hayriye (American Physical Society, 201711)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 ... 
Decuplet baryons in a hot medium
Azizi, Kazem; Bozkır, G. (European Physical Journal C, 2016)The thermal properties of the light decuplet baryons are investigated in the framework of the thermal QCD sum rules. In particular, the behavior of the mass and residue of the Delta, Sigma*, Xi*, and Omega baryons with ... 
Diagonal and transition magnetic moments of negative parity heavy baryons in QCD sum rules
Aliev, Takhmasib M.; Azizi, Kazem; Barakat, Thabit; Savcı, Mustafa (American Physical Society, 20150806)Diagonal and transition magnetic moments of the negative parity, spin1/2 heavy baryons are studied in the framework of the light cone QCD sum rules. By constructing the sum rules for different Lorentz structures, the ... 
Doublelepton polarization asymmetries and branching ratio in B > K0(*)(1430)l(+)l() transition from universal extra dimension model
Şirvanlı, Berrin Belma; Azizi, Kazem; İpekoğlu, Yusuf (Springer, 201101)We investigate the B > K0(*)(1430)l(+)l() transition in the ApplequistChengDobrescu model in the presence of a universal extra dimension. In particular, we calculate double lepton polarization asymmetries and branching ... 
Doublelepton polarization asymmetries and branching ratio of the B > gamma l(+)l() transition in universal extra dimension
Azizi, Kazem; Pak, Namık Kemal; Şirvanlı, Berrin Belma (Springer, 201202)We study the doublelepton polarization asymmetries and single and doublelepton polarization forwardbackward asymmetries of the rare b ! s‘þ‘ mode within the standard model and in the AppelquistChengDobrescu model, ... 
The doubly charmed pseudoscalar tetraquarks Tcc(;(s)overbar(s)overbar)++ and Tcc(;(d)overbar<)(s()over bar)>(++)
Ağaev, Shahin S.; Azizi, Kazem; Barsbay, Birten; Sundu, Hayriye (Elsevier, 201902)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 ... 
Doubly heavy spin1/2 baryon spectrum in QCD
Aliev, Takhmasib M.; Azizi, Kazem; Savcı, Mustafa (Elsevier, 20121201)We calculate the mass and residue of the heavy spin1/2 baryons containing two heavy h or c quarks in the framework of QCD sum rules. We use the most general form of the interpolating current in its symmetric and antisymmetric ... 
Electric quadrupole and magnetic octupole moments of the light decuplet baryons within light cone QCD sum rules
Aliev, Takhmasib M.; Azizi, Kazem; Savcı, Mustafa (Elsevier, 20091102)The electric quadrupole and magnetic octupole moments of the light decuplet baryons are calculated in the framework of the light cone QCD sum rules. The obtained nonvanishing values for the electric quadrupole and magnetic ... 
Electromagnetic form factors of octet baryons in QCD
Aliev, Takhmasib M.; Azizi, Kazem; Savcı, Mustafa (Elsevier, 20130610)The electromagnetic form factors of octet baryons are estimated within light cone QCD sum rules method, using the most general form of the interpolating current for baryons. A comparison of our predictions on the magnetic ... 
The electromagnetic multipole moments of the charged openflavor Z((c)overbarq) states
Azizi, Kazem; Özdem, Ulaş (IOP Publishing, 201805)The electromagnetic multipole moments of the openflavor Z (c) over barq states are investigated by assuming a diquarkantidiquark picture for their internal structure and quantum numbers J(PC) = 1(+) for their spinparity. ... 
Electromagnetic multipole moments of the Pc(+) (4380) pentaquark in lightcone QCD
Özdem, Ulaş; Azizi, Kazem (Springer, 201805)We calculate the electromagnetic multipole moments of the Pc(+) (4380) pentaquark by modeling it as the diquarkdiquarkantiquark and D* Sigma(c) molecular state with quantum numbers J(P) = 3/2(). In particular, the ... 
The electromagnetic multipole moments of the possible charmstrange pentaquarks in lightcone QCD
Azizi, Kazem; Özdem, Ulaş (Springer, 201809)We investigate the electromagnetic properties of possible charmstrange pentaquarks in the framework of the lightcone QCD sum rule using the photon distribution amplitudes. In particular, by calculating the corresponding ... 
Exclusive Ds > (eta, eta ')l nu decays in lightcone QCD
Azizi, Kazem; Khosravi, Reza; Falahati, F. (IOP Publishing, 201109)Probing the (s) over bars content of the eta and eta' mesons and considering mixing between these states as well as gluonic contributions, the form factors responsible for semileptonic Ds > (eta, eta')l nu transitions ...