233 citations · 1k across the 28 of their papers we have counts for
27 papers · 1 filter
Light-Cone Distribution Amplitudes of the Ground State Bottom Baryons in HQET
A. Ali, C. Hambrock, A. Ya. Parkhomenko +1
We provide the definition of the complete set of light-cone distribution amplitudes (LCDAs) for the ground state heavy bottom baryons with the spin-parities J^P = 1/2^+ and J^P = 3…
Quantum Gravity effect on the Quark-Gluon Plasma
I. Elmashad, A. Farag Ali, L. I. Abou-Salem +2
The Generalized Uncertainty Principle (GUP), which has been predicted by various theories of quantum gravity near the Planck scale is implemented on deriving the thermodynamics of…
Probing new physics in the Neutrinoless double beta decay using electron angular correlation
A. Ali, A. V. Borisov, D. V. Zhuridov
The angular correlation of the electrons emitted in the neutrinoless double beta decay () is presented using a general Lorentz invariant effective Lagrangian for the lepton…
Neutrinoless double beta decay: Electron angular correlation as a probe of new physics
A. Ali, A. V. Borisov, D. V. Zhuridov
The angular distribution of the final electrons in the so-called long range mechanism of the neutrinoless double beta decay () is derived for the general Lorentz invariant…
in soft-collinear effective theory
A. Ali, G. Kramer, Guohuai Zhu
We study the rare B decay using soft-collinear effective theory (SCET). At leading power in , a factorization formula is obtained valid to all orde…
Supersymmetry Parameter Analysis: SPA Convention and Project
J. A. Aguilar-Saavedra, A. Ali, B. C. Allanach +122
High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is…
An Analysis of the Time-Dependent CP Asymmetry in Decays in the Standard Model
A. Ali, E. Lunghi, A. Ya. Parkhomenko
Measurements of the time-dependent CP asymmetry in the decay and its charge conjugate by the BELLE and BABAR collaborations currently yield $C_{ππ}^{+-} = -…
The Vertex Function in Perturbative QCD and -Meson Mass Effects
A. Ali, A. Ya. Parkhomenko
The effective vertex function (EVF) is calculated in the QCD hard-scattering approach, taking into account the -meson mass. We work in the approxim…
The Vertex Including the -Meson Mass
A. Ali, A. Ya. Parkhomenko
The effective vertex function is calculated in the QCD hard-scattering approach, taking into account the -meson mass. We work in the approximation…
The CKM Matrix and the Unitarity Triangle
M. Battaglia, A. J. Buras, P. Gambino +37
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available…
Next-to-leading Order Calculations of the Radiative and Semileptonic Rare B Decays in the Standard Model and Comparison with Data
A. Ali
We review some selected rare B decays calculated in next-to-leading order accuracy in the Standard Model (SM). These include the radiative decays and the semil…
Signatures of Supersymmetry in B Decays - A Theoretical Perspective
A. Ali
We discuss precision tests of the standard model in radiative and semileptonic rare B-decays and CP-violating asymmetries, and possible signatures of supersymmetry in these process…
The Effective Vertex at Arbitrary Gluon Virtualities
A. Ali, A. Ya. Parkhomenko
The effective vertex is studied in the standard (Brodsky-Lepage) and modified hard scattering approaches for arbitrary gluon virtualities in the time-like and sp…
Majorana Neutrinos and Same-Sign Dilepton Production at LHC and in Rare Meson Decays
A. Ali, A. V. Borisov, N. B. Zamorin
We discuss same-sign dilepton production mediated by Majorana neutrinos in high-energy proton-proton collisions $pp\ra \ell^+ \ell^{\prime +}X$ for …
What if the Mass Difference is around 18 Inverse Picoseconds?
A. Ali, D. London
Present experiments in pursuit of the mass difference in the Bs-Bs(bar) system have put a lower bound on this quantity of (at 95% C.L.). The same experiments…
CP Violation and Prospects at B Factories and Hadron Colliders
A. Ali
We review the information on the CKM matrix elements, unitarity triangle and CP-violating phases and in the standard model which will be measured in the forthcoming expe…
Towards a Theory of Charmless Non-Leptonic Two-Body B Decays
A. Ali
We address a number of theoretical and phenomenological issues in two-body charmless non-leptonic B decays in the context of a factorization model. A classification of the exclusiv…
Perturbative QCD and Power Corrected Hadron Spectra and Spectral Moments in the Decays
A. Ali, G. Hiller
Leading order (in ) perturbative QCD and power ( corrections to the hadronic invariant mass and hadron energy spectra in the decay are revi…
Quark Mixing and CP Violation
A. Ali, B. Kayser
We review the historical developments leading to the Cabibbo-Kobayashi-Maskawa (CKM) quark mixing matrix. Present status of the CKM matrix from direct measurements is summarized, g…
Hadron Spectra and Spectral Moments in the Decay B \to X_s \ell^+ \ell^- using HQET
A. Ali, G. Hiller
We compute the leading order (in alpha_s) perturbative QCD and power (1/m_b^2) corrections to the hadronic invariant mass and hadron energy spectra in the decay B \to X_s \ell^+ \e…
Flavour Changing Neutral Current Processes and CKM Phenomenology
A. Ali
Some selected topics in flavour changing neutral current processes in decays are discussed in the context of the Standard Model. The emphasis here is on the determination of th…
Heavy Flavour Decays - Introduction and Overview
A. Ali, H. Schroeder
We review some selected topics in the decays of heavy flavours, beauty and charm, which are of principal interest at HERA-B and HERA. The topics in physics include: an update o…
Decays, Flavour Mixings and CP Violation in the Standard Model
A. Ali
These lectures review the progress made in our present understanding of decays. The emphasis here is on applications of QCD to decays and the attendant perturbative and non…
CP Violation and Flavour Mixing in the Standard Model
A. Ali, D. London
We review and update the constraints on the parameters of the quark flavour mixing matrix in the standard model and estimate the resulting CP asymmetries in decays, t…