Browsing FEF, Fizik Bölümü, Makale Koleksiyonu by Author "Azizi, Kazem"
Now showing items 120 of 140

Analysis of gamma(*) Lambda > Sigma(0) transition in QCD
Aliev, Takhmasib Mamed; Azizi, Kazem; Savcı, Mustafa (American Physical Society, 20130520)The gamma(*) Lambda > Sigma(0) transition form factors are investigated within the light cone QCD sum rules method. Using the most general form of the interpolating current of Sigma(0) baryon and the distribution amplitudes ... 
Analysis of heavy spin3/2 baryonheavy spin1/2 baryonlight vector meson vertices in QCD
Aliev, Takhmasib Mamed; Azizi, Kazem; Savcı, Mustafa; Zamiralov, Valeri S. (American Physical Society, 20110516)The heavy spin3/2 baryonheavy spin1/2 baryon vertices with light vector mesons are studied within the light cone QCD sum rules method. These vertices are parametrized in terms of three coupling constants. These couplings ... 
Analysis of Pc(+)(4380) and Pc(+)(4450) as pentaquark states in the molecular picture with QCD sum rules
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 20170524)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 Bq > Dq(Dq*)P and Bq > Dq(Dq*)V Decays Within the factorization approach in QCD
Azizi, Kazem; Khosravi, Reza; Falahati, F. (World Scientific Publishing, 20091220)Using the factorization approach and considering the contributions of the currentcurrent, QCD penguin and electroweak penguin operators at the leading approximation, the decay amplitudes and decay widths of Bq > Dq(Dq*)P ... 
Analysis of the Lambda b > Lambda l(+)l() decay in QCD
Aliev, Takhmasib Mamed; Azizi, Kazem; Savcı, Mustafa (American Physical Society, 20100301)Taking into account the Lambda baryon distribution amplitudes and the most general form of the interpolating current of the Lambda(b), the semileptonic Lambda(b) > Lambda l(+)l() transition is investigated in the framework ... 
Analysis of the Lambda(b) > Lambda l(+)l() transition in the SM4 using form factors from full QCD
Azizi, Kazem; Katırcı, Nihan (Springer, 20120525)Using the responsible form factors calculated via full QCD, we analyze the Lambda(b) > Lambda l(+)l() transition in the standard model containing fourthgeneration quarks (SM4). We discuss the effects of the presence of ... 
Analysis of the radiative Lambda(b) > Lambda(gamma) transition in the standard model and scenarios with one or two universal extra dimensions
Azizi, Kazem; Kartal, Sehban; Olgun, Asiye Tuğba; Tavukoğlu, Zeynep (American Physical Society, 20130726)We investigate the radiative process of Lambda(b) > Lambda(gamma) in the standard model as well as models with one or two compact universal extra dimensions. Using the form factors entered to the lowenergy matrix elements, ... 
Analysis of the semileptonic Lambda(b) > Lambda l(+)l() transition in the topcolorassisted technicolor model
Azizi, Kazem; Kartal, Sehban; Olgun, Asiye Tuğba; Tavukoğlu, Zeynep (American Physical Society, 20131015)We comparatively analyze the flavorchanging neutral current process of Lambda(b) > Lambda l(+)l() in the standard model as well as the topcolorassisted technicolor model using the form factors calculated via light cone ... 
Analysis of the strong D2* (2460)(0) > D+ pi() and Ds2*(2573)(+) > D+ K0 transitions via QCD sum rules
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (Springer, 20141021)The strong D2* (2460)(0) > D+ pi() and Ds2* (2573)(+) > D+ K0 transitions are analyzed via threepoint 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, 201805)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 twopoint 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, 20160630)The full version of the QCD lightcone 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 Xb = ... 
B to D(D*)ev(e) transitions at finite temperature in QCD
Azizi, Kazem; Er, Nuray (American Physical Society, 20100501)In this article, we work out the properties of the B, D, and D* mesons as well as the B > D(D*)ev(e) decay properties at finite temperature QCD. The behavior of the masses, decay constants and widths of the B, D, and D* ... 
B to strange tensor meson transition in a model with one universal extra dimension
Katırcı, Nihan; Azizi, Kazem (Springer Verlag, 20110708)We analyze the semileptonic B > K2* (1430)l(+)l() transition in universal extra dimension model. In particular, we present the sensitivity of related observables such as branching ratio, polarization distribution and ... 
Bc Meson at Finite Temperature
Veliev, Elşen Veli; Azizi, Kazem; Sundu, Hayriye; Akşit, Nurcan (Elsevier, 2011)In the present work, we investigate properties of Bc 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 ... 
Beautiful mathematics for beautyfull and other multiheavy hadronic systems
Azizi, Kazem; Olamaei, A. R.; Rostami, S. (Springer, 201809)In most nonperturbative methods in hadron physics the calculations are started with a correlation function in terms of some interpolating and transition currents in x space. For simplicity, the calculations are then ... 
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 ...