The redshift ($z$) evolution of the Extragalactic Background Light (EBL) photon density is very important to understand history cosmological structure formation galaxies and stars since epoch recombination. EBL photons with characteristic spectral energy distribution ranging from ultraviolet/optical far-infrared provide a major source opacity Universe GeV-TeV $\gamma$-rays travelling over dista...

We study the $\ensuremath{\rho}$ and $\ensuremath{\omega}$ meson contribution to radiative decays $X(3872)\ensuremath{\rightarrow}J/\ensuremath{\psi}\ensuremath{\pi}\ensuremath{\gamma}$ $X(3872)\ensuremath{\rightarrow}J/\ensuremath{\psi}\ensuremath{\pi}\ensuremath{\pi}\ensuremath{\gamma}$. The is dominated by meson. As for $X(3872)\ensuremath{\rightarrow}\phantom{\rule{0ex}{0ex}}J/\ensuremath{\...

Abstract High-energy $$\gamma \gamma $$ γ colliders constitute a potential running mode of future lepton such as the ILC and CLIC. We study sensitivity high-energy collider to Higgs portal scenario hidden sector above invisible decay threshold. show that collisions could allow probe exi...

Novel multiband circular microstrip antennas (C-MSAs) with multiple half-ring slots are presented in this paper. Two antennafeeding systems, i.e. an embedded L-probe beneath the patch and a coplanar circular arcshaped probe (T-probe), are used to feed the C-MSA with multiple half-ring slots. The embedded L-probe is used to excite the CMSA with a double-layer dielectric substrate due to its trem...

IL-7R-deficient mice have severely impaired expansion of early lymphocytes and lack gamma delta T cells. To elucidate the role of IL-7R on gamma delta T cell development, we analyzed the rearrangements of TCR-alpha, beta, gamma, and delta genes in the thymus of the IL-7R-deficient mice. Southern blot analysis with a J gamma 1 probe revealed that more than 70% of J gamma 1 and J gamma 2 alleles ...

  Introduction: Radio-guided parathyroid surgery along with other minimally invasive surgeries constitutes the main surgical treatment procedures for different kinds of hyperparathyroidism.  In this article we have reported our experience of radio-guided parathyroid surgery using Tc-99m sestamibi. Methods: Ten patients with hyperparathyroidism included in our study. ...

The All-sky Medium Energy Gamma-ray Observatory eXplorer (AMEGO-X) is designed to identify and characterize gamma rays from extreme explosions accelerators. main science themes include supermassive black holes their connections neutrinos cosmic rays; binary neutron star mergers the relativistic jets they produce; ray particle acceleration sources including galactic supernovae; continuous monito...

We explore the discovery potential for long-lived particles at 250-GeV ILC. The goal is to investigate possible gains of a dedicated far detector over main ILD. For concreteness, we perform our study sub-GeV axion-like $a$ produced via $e^+e^- \to \gamma$ or Z \gamma (a\gamma)\gamma$ and decaying into pairs charged leptons. In ideal case zero background perfect detection efficiency, find that d...

We explore the perspectives of studying vacuum birefringence at Gamma Factory. To this end, we assess in detail parameter regime which can be reliably analyzed resorting to leading contribution Heisenberg-Euler effective Lagrangian. explicitly show that -- contrarily naive expectations approach allows for accurate theoretical study quantum signatures up fairly large photon energies. The big adv...