Divya Sachdeva
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View article: Brivaracetam Versus Oxcarbazepine in Pediatric Focal Epilepsy: A Comparative Study
Brivaracetam Versus Oxcarbazepine in Pediatric Focal Epilepsy: A Comparative Study Open
View article: Neutrino nonstandard interactions and lepton flavor universality violation at SND@LHC via charm production
Neutrino nonstandard interactions and lepton flavor universality violation at SND@LHC via charm production Open
View article: Neutrino Nonstandard Interactions and Lepton Flavor Universality violation at SND@LHC via charm production
Neutrino Nonstandard Interactions and Lepton Flavor Universality violation at SND@LHC via charm production Open
In this work, we explore the effect of neutrino nonstandard interactions (NSI) involving the charm quark at SND@LHC. Using an effective description of new physics in terms of four-fermion operators involving a charm quark, we constrain the…
View article: Dark Matter spikes around Sgr A* in $γ$-rays
Dark Matter spikes around Sgr A* in $γ$-rays Open
We use H.E.S.S. $γ$-ray observations of Sgr A* to derive novel limits on the Dark Matter (DM) annihilation cross-section. We quantify their dependence on uncertainties i) in the DM halo profile, which we vary from peaked to cored, and ii) …
View article: Semiannihilation of fermionic dark matter
Semiannihilation of fermionic dark matter Open
The continued non-observation of events emanating from dark matter (DM)\nannihilations in various direct and indirect detection experiments calls into\nquestion the mechanism for determining the relic density of a weakly\ninteracting massi…
View article: Blazar boosted Dark Matter -- direct detection constraints on $σ_{eχ}$ : Role of energy dependent cross sections
Blazar boosted Dark Matter -- direct detection constraints on $σ_{eχ}$ : Role of energy dependent cross sections Open
Elastic collisions with relativistic electrons from the blazar's jet can accelerate dark matter (DM) particles in the DM spike surrounding the supermassive black hole at its center. This can allow one to set stringent limits on the DM-elec…
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:msub><mml:mrow><mml:mi>R</mml:mi></mml:mrow><mml:mrow><mml:msup><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:mo>⁎</mml:mo><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:msub></mml:math> from RPV-SUSY sneutrinos
from RPV-SUSY sneutrinos Open
We analyze the lepton flavor universality violation (LFV) in process b→sℓ+ℓ− in an R-parity violating supersymmetric (RPV-SUSY) scenario. The most recent update on RK from the LHCb collaboration suggests approximately 3.1σ deviation from t…
View article: Bounds on boosted dark matter from direct detection: The role of energy-dependent cross sections
Bounds on boosted dark matter from direct detection: The role of energy-dependent cross sections Open
The recoil threshold of Direct Detection experiments limits the mass range of Dark Matter (DM) particles that can be detected, with most DD experiments being blind to sub-MeV DM particles. However, these light DM particles can be boosted t…
View article: Future constraints on primordial black holes from XGIS-THESEUS
Future constraints on primordial black holes from XGIS-THESEUS Open
Current observations allow Primordial Black Holes (PBHs) in asteroid mass\nrange $10^{17}-10^{22}$ g to constitute the entire dark matter (DM) energy\ndensity (barring a small mass range constrained by 21 cm observations). In this\nwork, w…
View article: A Case of Neonatal Scabies Infection
A Case of Neonatal Scabies Infection Open
Neonatal scabies is a rare entity, and due to the non-classical clinical presentation in this age group the diagnosis is often missed or delayed. Unlike the classical cases in which lesions are usually confined to flexural aspects of limbs…
View article: Semi-Annihilation of Fermionic Dark Matter
Semi-Annihilation of Fermionic Dark Matter Open
The continued non-observation of events emanating from dark matter (DM) annihilations in various direct and indirect detection experiments calls into question the mechanism for determining the relic density of a weakly interacting massive …
View article: Exclusion limits on dark matter-neutrino scattering cross section
Exclusion limits on dark matter-neutrino scattering cross section Open
We derive new constraints on combination of dark matter - electron cross-section ($\sigma_{\chi e}$) and dark matter - neutrino cross-section ($\sigma_{\chi \nu}$) utilising the gain in kinetic energy of the dark matter (DM) particles due …
View article: $R_{K^{(\ast)}}$ from RPV-SUSY sneutrinos
$R_{K^{(\ast)}}$ from RPV-SUSY sneutrinos Open
We analyze the lepton flavor universality violation (LFV) in process $b\to s \ell^+\ell^-$ in an R-parity violating supersymmetric (RPV-SUSY) scenario. The most recent update on $\rk$ from the LHCb collaboration suggests approximately $3.1…
View article: Constraining light dark photons from GW190517_055101 and GW190426_152155
Constraining light dark photons from GW190517_055101 and GW190426_152155 Open
Ultralight dark photons predicted in several Standard Model extensions can\ntrigger the superradiant instability around rotating black holes if their\nCompton wavelength is comparable to the Blackhole radius. Consequently, the\nangular mom…
View article: Dark matter, muon anomalous magnetic moment, and the XENON1T excess
Dark matter, muon anomalous magnetic moment, and the XENON1T excess Open
A very economic scenario with just three extra scalar fields beyond the\nStandard Model is invoked to explain the muon anomalous magnetic moment, the\nrequisite relic abundance of dark matter as well as the Xenon-1T excess through\nthe ine…
View article: Discussing 125 GeV and 95 GeV excess in light radion model
Discussing 125 GeV and 95 GeV excess in light radion model Open
Even if the LHC observations are consistent with the Standard model (SM), current LHC results are not precise enough to rule out the presence of new physics. Taking a contrarian view of the SM Higgs fandom, we look out for a more suitable …
View article: Model independent analysis of MeV scale dark matter. II. Implications from <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math> colliders and direct detection
Model independent analysis of MeV scale dark matter. II. Implications from colliders and direct detection Open
Dark matter particles with masses in the sub-GeV range have escaped severe constraints from direct detection experiments such as LUX, PANDAX-II and XENON100 as the corresponding recoil energies are, largely, lower than the detector thresho…
View article: Unified explanation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>b</mml:mi><mml:mo stretchy="false">→</mml:mo><mml:mi>s</mml:mi><mml:msup><mml:mi>μ</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>μ</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math> anomalies, neutrino masses, and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>B</mml:mi><mml:mo stretchy="false">→</mml:mo><mml:mi>π</mml:mi><mml:mi>K</mml:mi></mml:mrow></mml:math> puzzle
Unified explanation of anomalies, neutrino masses, and puzzle Open
Anomalies in semi-leptonic $B$ decays could indicate new physics beyond the\nstandard model(SM). There is an older puzzle in non-leptonic $B \\to \\pi K$\ndecays. The new particles, leptoquarks and diquarks, required to solve the\nsemi-lep…
View article: Model independent analysis of MeV scale dark matter: Cosmological constraints
Model independent analysis of MeV scale dark matter: Cosmological constraints Open
Recent results from several direct detection experiments have imposed severe\nconstraints on the multi-GeV mass window for various dark matter (DM) models.\nHowever, many of these experiments are not sensitive to MeV scale DM as the\ncorre…
View article: O04.3 Prioritizing novel drug targets based on genomics and proteomics approach in<i>neisseria gonorrhoeae</i>
O04.3 Prioritizing novel drug targets based on genomics and proteomics approach in<i>neisseria gonorrhoeae</i> Open
Background N. gonorrhoeae, a major causative agent of STI, has acquired resistance to most of the commonly used drugs. Hence there is an urgent need to look for novel drug targets and new drugs to combat this disease. Although a lar…
View article: Living orthogonally: quasi-universal extra dimensions
Living orthogonally: quasi-universal extra dimensions Open
View article: Model Independent analysis of MeV scale dark matter
Model Independent analysis of MeV scale dark matter Open
Recent results from direct detection experiments such as LUX, PANDAX-II and XENON100 have imposed severe constraints on the multi-GeV mass window in various dark matter (DM) models. However, many of these experiments are not sensitive to M…
View article: Signals of leptophilic dark matter at the ILC
Signals of leptophilic dark matter at the ILC Open
\n Adopting a model independent approach, we constrain the various effective interactions of leptophilic DM particles with the visible world from the WMAP and Planck data. The thermally averaged indirect DM annihilation cross section and t…
View article: Signals of Dark Matter at the ILC
Signals of Dark Matter at the ILC Open
A hadrophobic dark matter (DM) is notoriously difficult to detect. Adopting a model independent approach, we investigate the interactions of such a DM particle with the visible world. The Planck and WMAP data already constrain the paramete…