40 citations · 268 across the 27 of their papers we have counts for
28 papers
Exploring the Supersymmetric Grand Unified Theories with Gauge Mediation at the Future Proton-Proton Colliders and Hyper-Kamiokande Experiment
Waqas Ahmed, Tianjun Li, Shabbar Raza
As a continuation of our previous work, with the grand desert hypothesis, we prove that we can probe the Supersymmetric Grand Unified Theories (GUTs) with gauge meidation at the fu…
Revisit a realistic intersecting D6-brane with modified soft SUSY terms
Imtiaz Khan, Waqas Ahmed, Tianjun Li +1
Because there are a few typos in the supersymmetry breaking sfermion masses and trilinear soft term, regarding the current Large Hadron Collider (LHC) and dark matter searches, we…
Gravitational waves from metastable cosmic strings in Pati-Salam model in light of new pulsar timing array data
Waqas Ahmed, Talal Ahmed Chowdhury, Salah Nasri +1
A series of pulsar timing arrays (PTAs) recently observed gravitational waves at the nanohertz frequencies. Motivated by this remarkable result, we present a novel class of Pati-Sa…
Probing Stochastic Gravitational Wave Background from Strings in Light of NANOGrav 15-Year Data
Waqas Ahmed, Mansoor Ur Rehman, Umer Zubair
A realistic model of , embedded in supersymmetric grand unified theory, is investigated for the emergence of a metastable cosmic string network. This…
Investigating the GmSUGRA in the MSSM through the long-lived bino NLSP at the HL-LHC
Wenxing Zhang, Waqas Ahmed, Imtiaz Khan +2
The axino, the supersymmetric partner of axion, is a well-motivated warm/hot dark matter candidate, and provides a natural solution to the relic density problem for the bino-like n…
LHC Run-3, Yukawa Unification and Dark Matter Implications in SUSY 4-2-2 model
Waqas Ahmed, Mohamed Belfkir, Salah Nasri +2
We revisit the bottom and Yukawa coupling unification in supersymmetric -- model and present for the first time the sbottom-neutralino co-annihilation scenario consist…
Hybrid Inflation, Reheating and Dark Radiation in a IIB perturbative moduli stabilization scenario
Waqas Ahmed, Athanasios Karozas, George K. Leontaris +1
We study the cosmological implications of an effective field theory model derived within a configuration of D7 brane stacks in the framework of type-IIB string theory. We consider…
Radiative Symmetry breaking, Cosmic Strings and Observable Gravity Waves in symmetric
Waqas Ahmed, Umer Zubair
We implement shifted hybrid inflation in the framework of supersymmetric GUT model which provides a natural solution to the monopole problem appearing in the…
Probing the Supersymmetric Grand Unified Theories with Gravity Mediation at the Future Proton-Proton Colliders and Hyper-Kamiokande Experiment
Waqas Ahmed, Tianjun Li, Shabbar Raza
With the grand desert hypothesis, we have proposed to probe the supersymmetric Grand Unified Theories (GUTs) at the future proton-proton (pp) colliders and Hyper-Kamiokande experim…
Observable r, Gravitino Dark Matter, and Non-thermal Leptogenesis in No-Scale Supergravity
Waqas Ahmed, Muhammad Moosa, Shoaib Munir +1
We analyse the shifted hybrid inflation in a no-scale SU(5) model with supersymmetry, which naturally circumvents the monopole problem. The no-scale framework is derivable as the e…
Probing Relatively Heavier Right-Handed Selectron at the CEPC, and ILC
Waqas Ahmed, Imtiaz Khan, Tianjun Li +2
We employ the low energy Minimal Supersymmetric Standard Model (MSSM) to explore the parameter space associated with -pole and Higgs-pole solutions. Such parameter spaces can no…
-hybrid Inflation, Gravitino Dark Matter and Stochastic Gravitational Wave Background from Cosmic Strings
Adeela Afzal, Waqas Ahmed, Mansoor Ur Rehman +1
We present a successful realization of supersymmetric -hybrid inflation model based on a gauged extension of the minimal supersymmetric standard model, with the sof…
Constraining the Cosmic Strings Gravitational Wave Spectra in No Scale Inflation with Viable Gravitino Dark matter and Non Thermal Leptogenesis
Waqas Ahmed, M. Junaid, Salah Nasri +1
We revisit the hybrid inflation model gauged by extension of the Minimal Supersymmetric Standard Model (MSSM) in a no-scale background. Considering a single predictive…
Smooth Hybrid Inflation with Low Reheat Temperature and Observable Gravity Waves in Super-GUT
Waqas Ahmed, Athanasios Karozas, George K. Leontaris +1
We realize smooth hybrid inflation in the framework of supersymmetric model which provides a natural solution to the monopole problem appearing…
Dark Matter in the CP-violating NMSSM
Waqas Ahmed, Mark Goodsell, Shoaib Munir
In the Next-to-Minimal Supersymmetric Standard Model there is a strong correlation between the mass terms corresponding to the singlet Higgs and the singlino interaction states, bo…
Primordial Black Holes and Gravitational Waves in Hybrid Inflation with Chaotic Potentials
Waqas Ahmed, M. Junaid, Umer Zubair
We study the formation of primordial black hole (PBH) dark matter and the generation of scalar induced secondary gravitational waves (SIGWs) in a non-supersymmetric model of hybrid…
The Natural Explanation of the Muon Anomalous Magnetic Moment via the Electroweak Supersymmetry from the GmSUGRA in the MSSM
Waqas Ahmed, Imtiaz Khan, Jinmian Li +3
The Fermi-Lab Collaboration has announced the results for the measurement of muon anomalous magnetic moment. Combining with the previous results by the BNL experiment, we have $4.2…
Gravitino Dark matter, Non Thermal Leptogenesis and Low reheating temperature in No-scale Higgs Inflation
Waqas Ahmed, Athanasios Karozas, George K. Leontaris
We revisit Higgs inflation in the framework of a minimal extension of the Standard Model gauge symmetry by a factor. Various aspects are taken into account with partic…
Sparticle Spectroscopy and Dark Matter in a extension of MSSM
Waqas Ahmed, Shabbar Raza, Qaisar Shafi +2
We consider a class of SUSY models in which the MSSM gauge group is supplemented with a gauged symmetry and a global symmetry. This extension introduces onl…
Probing the Supersymmetric Grand Unified Theories at the Future Proton-Proton Colliders and Hyper-Kamiokande Experiment
Waqas Ahmed, Tianjun Li, Shabbar Raza +1
Gauge coupling unification in the Supersymmetric Standard Models strongly implies the Grand Unified Theories (GUTs). With the grand desert hypothesis, we show that the supersymmetr…
Helical phase inflation and its observational constraints
Mudassar Sabir, Waqas Ahmed, Yungui Gong +2
We consider a class of helical phase inflation models from the supergravity where the phase component of a complex field acts as an inflaton. This class of models…
A note on supergravity inflation in braneworld
Mudassar Sabir, Waqas Ahmed, Yungui Gong +3
We discuss supergravity inflation in braneworld cosmology for the class of potentials with . These minimal SUGRA models evade the problem…
The PeV-Scale Split Supersymmetry from Higgs Mass and Electroweak Vacuum Stability
Waqas Ahmed, Adeel Mansha, Tianjun Li +3
The null results of the LHC searches have put strong bounds on new physics scenario such as supersymmetry (SUSY). With the latest values of top quark mass and strong coupling, we s…
Inflation from a No-scale supersymmetric model
Waqas Ahmed, Athanasios Karozas
We study inflation in a supersymmetric Pati-Salam model driven by a potential generated in the context of no-scale supergravity. The Pati-Salam gauge group $SU(4)_{c}\times{SU(2)_{…