Browsing FEF, Fizik Bölümü, Makale Koleksiyonu by Author "Saraç, Yasemin"
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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 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 ... 
FCNC transitions of Lambda(b,c) to nucleon in SM
Azizi, Kazem; Bayar, Melahat; Saraç, Yasemin; Sundu, Hayriye (IOP Publishing, 201011)We provide a comprehensive study of semileptonic flavorchanging 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 ... 
G(Sigma Q Sigma Q pi) coupling constant via light cone QCD sum rules
Azizi, Kazem; Bayar, Melahat; Özpineci, Altuğ; Saraç, Yasemin (American Physical Society, 20101011)Using the most general form of the interpolating currents, the coupling constants g(Sigma b Sigma b pi) and g(Sigma c Sigma c pi) are calculated within the light cone QCD sum rules approach. It is found that g(Sigma c Sigma ... 
Hidden bottom pentaquark states with spin 3/2 and 5/2
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 201711)Theoretical investigations of the pentaquark states that were recently discovered provide important information on their nature and structure. It is necessary to study the spectroscopic parameters, like masses and residues ... 
Interpretation of the newly discovered Ω (2012)
Aliev, Takhmasib Mamed; Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 2018)Very recently, Belle Collaboration reported observation of a narrow state called Ω(2012) with mass 2012.4±0.7(stat)±0.6(syst) MeV and width 6.42.0+2.5(stat)±1.6(syst) MeV. We calculate the mass and residue of the Ω(2012) ... 
Investigation of the Bc > chi(c2)l((nu)over bar)() transition via QCD sum rules
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (Springer, 20131113)We calculate the transition form factors of the semileptonic in the framework of QCD sum rules taking into account the twogluon condensate corrections. Using the obtained results of form factors we estimate the decay ... 
Light cone QCD sum rules study of the semileptonic heavy Xi(Q) and Xi(Q)' transitions to Xi and Sigma baryons
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (Springer, 20120120)The semileptonic decays of heavy spin1/2, Xi(b(c)) and Xi(b(c))' baryons to the light spin1/2, Xi and S baryons are investigated in the framework of light cone QCD sum rules. In particular, using the most general form ... 
Nature of the Ω (2012) through its strong decays
Aliev, Takhmasib Mamed; Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (Springer, 2018)We extend our previous analysis on the mass of the recently discovered Ω (2012) state by investigation of its strong decays and calculation of its width employing the method of light cone QCD sum rule. Considering two ... 
On the strong coupling N(*)N(*)pi
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (Springer, 20160426)We study the strong vertices N*N pi, N*N*pi and NN pi in QCD, where N* denotes the negativeparity N(1535) state. We use the most general form of the interpolating currents to calculate the corresponding strong coupling ... 
Possible molecular pentaquark states with different spin and quark configurations
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 201809)We investigate three possible pentaquark candidates, one of which contains a single charm quark and the other two contain triple charm quarks in their substructure. To this end we apply the QCD sum rule method and take ... 
Semileptonic Lambda b,c to nucleon transitions in full QCD at light cone
Azizi, Kazem; Bayar, Melahat; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 200911)The treelevel semileptonic Lambda(b)> pl nu and Lambda(c)> nl nu transitions are investigated using the light cone QCD sum rules approach in full theory. The spin 1/2, Lambda(Q) baryon with Q=b or c, is considered by ... 
Semileptonic transition of Sigma(b) to Sigma in light cone QCD sum rules
Azizi, Kazem; Bayar, Melahat; Özpineci, Altuğ; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 20120103)We use distribution amplitudes of the light Sigma baryon and the most general form of the interpolating current for heavy Sigma(b) baryon to investigate the semileptonic Sigma(b) > Sigma l(+)l() transition in light cone ... 
Strong couplings of negative and positive parity nucleons to the heavy baryons and mesons
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 20150720)The strong coupling form factors related to the strong vertices of the positive and negative parity nucleons with the heavy Lambda(b[c])[Sigma b[c]] baryons and heavy B*[D*] vector mesons are calculated using a threepoint ... 
Strong decay of Pc (4380) pentaquark in a molecular picture
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (Elsevier, 20180710)There are different assumptions on the substructure of the pentaquarks Pc(4380) and Pc(4450), newly founded in J/psi N invariant mass by the LHCb Collaboration, giving consistent mass results with the experimental ... 
Strong decay of Pc(4380) pentaquark in a molecular picture
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (Elsevier, 201807)There are different assumptions on the substructure of the pentaquarks Pc(4380) and Pc(4450), newly founded in J/ψN invariant mass by the LHCb Collaboration, giving consistent mass results with the experimental observations. ... 
Strong ΛbNB and ΛcND vertices
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 20141204)We investigate the strong vertices among the Lambda(b), nucleon, and B meson as well as the Lambda(c), nucleon, and D meson in QCD. In particular, we calculate the strong coupling constants g Lambda bNB and g Lambda cND ... 
Strong σbNB and σcND coupling constants in QCD
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (Elsevier, 20151101)We study the strong interactions among the heavy bottom spin1/2 σb baryon, nucleon and B meson as well as the heavy charmed spin1/2 σc baryon, nucleon and D meson in the context of QCD sum rules. We calculate the ... 
Structure of the Ξb (6227) resonance
Aliev, Takhmasib Mamed; Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 2018)We explore the recently observed Ξbð6227Þ− resonance to fix its quantum numbers. To this end, we consider various possible scenarios: It can be considered as either a 1P or 2S excitation of the Ξ−b and Ξ0bð5935Þ groundstate ...