7 papers
Lepton polarization dependent angular observables and the polarization asymmetries in the four-fold decay
Rana Khan, Faisal Munir Bhutta, Ishtiaq Ahmed +1
The rare decays mediated by flavor-changing neutral current processes, such as , provide powerful probes of the Standard Model and potential windows into…
Weak decay of the positronium ion
Nishat Ul Sani, M. Jamil Aslam, Ishtiaq Ahmed
The positronium ion (), a coulombic three-body bound state of two electrons and a positron, predominantly decays via electron-positron annihilation into electromagne…
Symmetry-Breaking Effects on Form Factors and Observables in Decay
Saba Ayub, Saba Shafaq, Arslan Sikandar +1
In the heavy-quark and large-energy limits, symmetry relations reduce the number of independent form factors governing heavy-to-light -meson decays. Exploiting these relations,…
The Angular Observables of within the Paradigm of FCCC Anomalies
Muhammad Arslan, Ishtiaq Ahmed, Muhammad Jamil Aslam
We present a global analysis of the current -meson flavor anomalies and extend it to the baryonic sector through the decay $Î_b^0 \to Î_c^+(\to Î^0 Ï^+) Ï^-(\to Ï^- ν_Ï)…
Addressing the puzzle through New Physics four-fermion operators and their impact on decay
Muhammad Arslan, Ishtiaq Ahmed, Muhammad Jamil Aslam +2
The Lepton Flavor Universality ratio poses a challenge to the Standard Model (SM), as B-factory experiments, BaBar, Belle, and the LHCb show $3.…
Radiative B to tensor meson decays at NLO in SCET
Arslan Sikandar, M. Jamil Aslam
The radiative to tensor meson decays are studied at next-to-leading order (NLO) in soft-collinear effective theory (SCET).…