activity
20112026
most citedUpdated NNLO QCD predictions for the weak radiative B-meson decays

436 citations · 656 across the 14 of their papers we have counts for

collaborators

14 papers

hep-ph2026

The inclusive decay rate with higher precision

M. Misiak, H. M. Asatrian, K. Brune +11

We present a new and upgraded analysis of the inclusive weak radiative decay of the meson in the standard model and beyond. The perturbative corrections are…

hep-ph2020

Interpretation of LHCb Hidden-Charm Pentaquarks within the Compact Diquark Model

Ahmed Ali, Ishtiaq Ahmed, M. Jamil Aslam +2

The LHCb collaboration have recently updated their analysis of the resonant mass spectrum in the decay , making use of their combined Run~1 and R…

hep-ph2019★ 47 cited

Mass spectrum of the hidden-charm pentaquarks in the compact diquark model

Ahmed Ali, Ishtiaq Ahmed, M. Jamil Aslam +2

The LHCb collaboration have recently updated their analysis of the resonant mass spectrum in the decay , making use of their combined Run 1 and Run 2 dat…

hep-ph2017★ 74 cited

A New Look at the Tetraquarks and Baryons in the Diquark Model

Ahmed Ali, Luciano Maiani, Anatoly V. Borisov +5

We analyze the hidden charm -wave tetraquarks in the diquark model, using an effective Hamiltonian incorporating the dominant spin-spin, spin-orbit and tensor interactions. We c…

hep-ph2017★ 3 cited

Mass spectrum of spin-1/2 pentaquarks with a component and their anticipated discovery modes in -baryon decays

Ahmed Ali, Ishtiaq Ahmed, M. Jamil Aslam +1

The LHCb discovery of the two baryonic states and , having and , respectively, in the process , fo…

hep-ph2017★ 9 cited

LHCb anomaly in optimised observables and potential of Model

Ishtiaq Ahmed, Abdur Rehman

Over the last few years LHCb with present energies found some discrepancies in FCNC transitions including anomalies in the angular observables of $B\to K^*μ^+μ…

hep-ph2017★ 21 cited

NNLO QCD counterterm contributions to \to for the physical value of

Mikolaj Misiak, Abdur Rehman, Matthias Steinhauser

One of the most important O() corrections to the branching ratio originates from interference of contributions from the current-current and photonic dipole ope…

hep-ph2016★ 44 cited

Heavy quark symmetry and weak decays of the -baryons in pentaquarks with a component

Ahmed Ali, Ishtiaq Ahmed, M. Jamil Aslam +1

The discovery of the baryonic states and by the LHCb collaboration has evoked a lot of theoretical interest. These states have the minimal quark content…

hep-ph2015★ 436 cited

Updated NNLO QCD predictions for the weak radiative B-meson decays

M. Misiak, H. M. Asatrian, R. Boughezal +15

Weak radiative decays of the B mesons belong to the most important flavor changing processes that provide constraints on physics at the TeV scale. In the derivation of such constra…

hep-ph2011★ 6 cited

Fourth-generation SM imprints in B -> K^*l^+l^- decays with polarized K^*

Aqeel Ahmed, Ishtiaq Ahmed, M. Jamil Aslam +3

The implication of the fourth-generation quarks in the B -> K^*l^+l^- (l=mu,tau) decays, when K^* meson is longitudinally or transversely polarized, is presented. In this context,…

hep-ph2011★ 2 cited

Diquark-Antidiquark Interpretation of Mesons

Abdur Rehman

We study the spectroscopy of the states which defy conventional charmonium and bottomonium interpretation respectively, and are termed as exotic states. In Au…

hep-ph2011

Analysis of B_{C} --> D_{s}^{*}l^{+}l^{-} in the Standard Model Beyond Third Generation

Ishtiaq Ahmed, M. Ali Paracha, M. Junaid +3

The weak decays of B_{c} --> D_{s}^{*}l^{+}l^{-} (l=mu,tau) are investigated in the Standard Model with fourth generation (SM4). Taking fourth generation quark mass m_{t'} of about…

hep-ph2011

Comparative Study of B_{c} --> D_{s}^{*}l^{+}l^{-} Decays in Standard Model and Supersymmetric Models

Aqeel Ahmed, Ishtiaq Ahmed, M. Ali Paracha +3

A comparative study of the exclusive rare () decays has been made in the minimal supersymmetric models (MSSM) and the SUS…

hep-ph2011★ 14 cited

K_1(1270)-K_1(1400) mixing and the fourth generation SM effects in B-->K_1l^+l^- decays

Aqeel Ahmed, Ishtiaq Ahmed, M. Ali Paracha +1

The implications of the fourth generation quarks in the B-->K_{1}(1270,1400)l^{+}l^{-} with l=mu, tau decays are studied, where the mass eigenstates K_{1}(1270) and K_{1}(1400) are…