Results 101 to 110 of about 292,949 (385)

Effects of initial axion production and photon--axion oscillation on type Ia supernova dimming

, 2002
Recently, Csaki, Kaloper and Terning (CKT) suggested that axion-photon oscillation in the intergalactic medium can explain the observed dimming of distant type Ia supernovae.
Adler, Aguirre, Aguirre, Carlson, Csáki, Csáki, Deffayet, Deffayet, Dimopoulos, Drell, Dvali, Erlich, Harari, Heisenberg, Jure Zupan, Leibundgut, Mikheev, Mörtsell, Pal, Perlmutter, Pinto, Pinto, Raffelt, Raffelt, Riess, Ruiz-Lapuente, Sarkar, Sikivie, Sikivie, Sourov Roy, Yuval Grossman   +30 more
core   +1 more source

Resonant backreaction in axion inflation [PDF]

Journal of Cosmology and Astroparticle Physics, 2020
Axion inflation entails a coupling of the inflaton field to gauge fields through the Chern-Simons term. This results in a strong gauge field production during inflation, which backreacts on the inflaton equation of motion. Here we show that this strongly
V. Domcke, V. Guidetti, Y. Welling, A. Westphal   +3 more
semanticscholar   +1 more source

Engineering tandem VHHs to target different epitopes to enhance antibody‐dependent cell‐mediated cytotoxicity

FEBS Open Bio, EarlyView.
Tandem VHH targeting distinct EGFR epitopes were engineered into a monovalent bispecific antibody (7D12‐EGA1‐Fc) with more potent ADCC without increasing affinity to EGFR. Structural modeling of 7D12‐EGA1‐Fc showed cross‐linking of separate EGFR domains to enhance CD16a engagement on NK cells.
Yuqiang Xu, Hao Jiang, Limin Chen, Fulai Zhou, Ying Jin, Mark L. Chiu   +5 more
wiley   +1 more source

Collapse of an axion scalar field

European Physical Journal C: Particles and Fields, 2021
The manuscript deals with an interacting scalar field that mimics the evolution of the so-called axion scalar dark matter or axion like particles with ultra-light masses.
Soumya Chakrabarti
doaj   +1 more source

AXION-ELECTROMAGNETIC WAVES [PDF]

Modern Physics Letters A, 2013
We extend the duality symmetry between the electric and the magnetic fields to the case in which an additional axion-like term is present, and we derive the set of Maxwell equations that preserves this symmetry. This new set of equations allows for a gauge symmetry extending the ordinary symmetry in the classical electrodynamics.
openaire   +2 more sources

Domain associated with zinc fingers‐containing NF90‐NF45 complex inhibits m6A modification of primary microRNA by suppressing METTL3/14 activity

FEBS Open Bio, EarlyView.
NF90–NF45 functions as a negative regulator of methyltransferase‐like 3/14 (METTL3/14)‐mediated N6‐methyladenosine (m6A) modification on primary microRNAs (pri‐miRNAs). NF90–NF45 binds to anti‐oncogenic pri‐miRNAs and inhibits their m6A modification, thereby suppressing the biogenesis of anti‐oncogenic miRNAs.
Takuma Higuchi, Shunsuke Morioka, Keiko Morisawa, Kazutsugu Matsukawa, Shingo Ashida, Takeshi Suzuki, Shuji Sakamoto   +6 more
wiley   +1 more source

The QCD axion at finite density

Journal of High Energy Physics, 2020
We show how the properties of the QCD axion change in systems at finite baryonic density, such as neutron stars. At nuclear saturation densities, where corrections can be reliably computed, we find a mild reduction of the axion mass and up to an order of
Reuven Balkin, Javi Serra, Konstantin Springmann, Andreas Weiler   +3 more
doaj   +1 more source

Dilaton-Axion hair for slowly rotating Kerr black holes [PDF]

, 1992
Campbell et al. demonstrated the existence of axion ``hair'' for Kerr black holes due to the non-trivial Lorentz Chern-Simons term and calculated it explicitly for the case of slow rotation.
Chung, R., Dahl, L. D., Roos, R. A.C., Rozemuller, A. J.M., Schmaier, A. H., Van Nostrand, W. E., Wagner, S. L.   +6 more
core   +2 more sources

Natural Products as Geroprotective Modulators in Diabetic Nephropathy: A Mechanistic Framework Integrating Aging Hallmarks and the AMPK–SIRT1–Nrf2 Axis

Aging and Cancer, EarlyView.
Natural products target the aging kidney in diabetic nephropathy by restoring the AMPK–SIRT1–Nrf2 axis, reducing oxidative stress, inflammation, fibrosis, and cellular senescence while enhancing mitochondrial biogenesis and antioxidant defenses.
Sherif Hamidu, Latif Adams, Eunice Ampem‐Danso, Justice Kumi, Abigail Aning, Fatima Hamidu, Mustapha Abdul Mumin Mohammed, Ayuba Nii Darku Ankrah, Seth Kwabena Amponsah   +8 more
wiley   +1 more source

Progress in GrAHal-CAPP/DMAG for Axion Dark Matter Search in the 1–3 μeV Range

Physical Sciences Forum
Two outstanding problems of particle physics and cosmology, namely the strong-CP problem and the nature of dark matter, can be solved with the discovery of a single new particle, the axion.
Pierre Pugnat, Rafik Ballou, Philippe Camus, Guillaume Donnier-Valentin, Thierry Grenet, Ohjoon Kwon, Jérôme Lacipière, Mickaël Pelloux, Rolf Pfister, Yannis K. Semertzidis, Arthur Talarmin, Jérémy Vessaire, SungWoo Youn   +12 more
doaj   +1 more source