Browsing by Author "Saraç, Yasemin"
Now showing items 1-20 of 24
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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 ... -
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 ... -
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 ... -
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, 2010-10-11)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, 2017-11)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 6.4-2.0+2.5(stat)±1.6(syst) MeV. We calculate the mass and residue of the Ω(2012) ... -
Investigation of the B-c -> chi(c2)l((nu)over bar)(-) transition via QCD sum rules
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (Springer, 2013-11-13)We calculate the transition form factors of the semileptonic in the framework of QCD sum rules taking into account the two-gluon condensate corrections. Using the obtained results of form factors we estimate the decay ... -
Investigation of the D*s2(2573)+D+K0 vertex via QCD sum rules
Saraç, Yasemin; Azizi, Kazem; Sundu, Hayriye (IOP Publishing, 2014-12-08)In this work the D∗s2(2573)+D+K0 vertex is studied and the coupling constant corresponding to the D∗s2(2573)+ D+K0 transition is calculated. The calculation is performed using three point QCD sum rules method and the value ... -
Lepton flavor universality violation in semileptonic tree level weak transitions
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (American Physical Society, 2019)The recent deviations of the experimental data on some parameters of the tree-level semileptonic B and B-c mesons decays from the standard model (SM) predictions indicate considerable violations of the lepton flavor ... -
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, 2012-01-20)The semileptonic decays of heavy spin-1/2, Xi(b(c)) and Xi(b(c))' baryons to the light spin-1/2, 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, 2016-04-26)We study the strong vertices N*N pi, N*N*pi and NN pi in QCD, where N* denotes the negative-parity 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, 2018-09)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, 2009-11)The tree-level 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, 2012-01-03)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, 2015-07-20)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 D*(2)(2460)(0) -> D+pi(-) transition in QCD
Saraç, Yasemin; Azizi, Kazem; Sundu, Hayriye (EDP Sciences, 2014-11-24)This work presents the analysis of the transition D*(2)(2460)(0) > D+pi(-). In the calculation three point QCD sum rules method is applied and the value of the coupling constant for the considered vertex is obtained as ... -
Strong decay of P-c (4380) pentaquark in a molecular picture
Azizi, Kazem; Saraç, Yasemin; Sundu, Hayriye (Elsevier, 2018-07-10)There are different assumptions on the substructure of the pentaquarks P-c(4380) and P-c(4450), newly founded in J/psi N invariant mass by the LHCb Collaboration, giving consistent mass results with the experimental ...
