Yazar "Azizi, Kazem" için listeleme

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 offshell 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 offshell mesons. 
Analysis of gamma(*) Lambda > Sigma(0) transition in QCD
Aliev, Takhmasib M.; 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 M.; 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 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 M.; 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 semileptonic transition of heavy Xi(Q) baryon to Xi baryon in Light Cone QCD Sum Rules
Saraç, Yasemin; Azizi, Kazem; Sundu, Hayriye (Elsevier, 201312)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 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 ... 
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 ... 
∑b,c to nucleon transitions in light cone QCD sum rules
Bayar, Melahat; Azizi, Kazem; Zeyrek, Mehmet T. (American Institute of Physics, 2011)The loop level flavor changing neutral current transitions of the ∑b→ nl+land ∑c→ pl+l are investigated in the light cone QCD sum rules approach. Using the most general form of the interpolating current for ∑Q, Q =b or ... 
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 ... 
Baryonbaryonmeson coupling constants in QCD
Aliev, Takhmasib M.; Azizi, Kazem; Özpineci, Altuǧ; Savcı, Mustafa; Zamiralov, Valeri S. (AIP Publishing, 2010)The strong coupling constant of decuplet and octet baryons to vector and pseudoscalar mesons are calculated in light cone QCD sum rules in general case and when the SU(3)f symmetry is taken into account. A comparison of ... 
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 ...