Results 121 to 130 of about 6,544,802 (296)

Optimisation of the vertex detector and measurement of Higgs decays to second-generation quarks at the CEPC

open access: yesJournal of High Energy Physics
The vertex detector is crucial for precision measurements of the Higgs boson at the electron-positron Higgs factory. Benchmarked with H → c c ¯ $$ H\to c\overline{c} $$ and H → s s ¯ $$ H\to s\overline{s} $$ measurements in the ν ν ¯ H $$ \nu \overline ...
Jialin Li   +6 more
doaj   +1 more source

Optimizing photoexcitation conditions for time‐resolved X‐ray solution scattering experiments

open access: yesFEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering (TR‐XSS) is a powerful technique to visualize how proteins change their structure in real time after light activation. Selecting the right laser photoexcitation conditions—fluence, excitation geometry, and sample refresh rate—is critical to maximize the experimental signal while avoiding unwanted side effects ...
Matteo Levantino
wiley   +1 more source

Scaling dark energy

open access: yesPhysical Review D, 2004
We investigate the possibility of a dark energy component that is scaling with epochs. A phenomenological model is introduced whose energy density depends on the redshift in such a way that a smooth transition among the three dominant phases of the universe evolution (radiation era, matter domination, asymptotic de Sitter state) is achieved. We use the
CAPOZZIELLO, SALVATORE   +2 more
openaire   +4 more sources

BCG vaccination potentiates oxidative phosphorylation in neonatal myeloid‐derived suppressor cells

open access: yesFEBS Open Bio, EarlyView.
BCG vaccination enhances oxidative phosphorylation in neonatal MDSCs, impairing their immunosuppressive function. It upregulates electron transport chain genes and mitochondrial activity, increasing ATP and oxygen consumption. Pharmacological OXPHOS inhibition partially restores suppressive capacity, confirming causality.
Yingying Chen, Hui Li
wiley   +1 more source

Dark Matter and Dark Energy Induced by Condensates

open access: yesAdvances in High Energy Physics, 2016
It is shown that the vacuum condensate induced by many phenomena behaves as a perfect fluid which, under particular conditions, has zero or negative pressure.
Antonio Capolupo
doaj   +1 more source

Explaining Holographic Dark Energy

open access: yesGalaxies, 2013
The possible holographic origin of dark energy is investigated. The main existing explanations, namely the UV/IR connection argument of Cohen et al., Thomas’ bulk holography argument, and Ng’s spacetime foam argument, are shown to be not wholly ...
Shan Gao
doaj   +1 more source

Particle dark energy [PDF]

open access: yesPhysical Review D, 2006
8 pages, 5 figures; minor update with added refs; version appearing in Phys.
openaire   +2 more sources

MARK4 enhances stress granule formation under oxidative stress and increases tau accumulation

open access: yesFEBS Open Bio, EarlyView.
MARK4 (red dots) localizes to stress granules (orange dots) and promotes their formation under oxidative stress by modulating TIA1 (blue dots). MARK4 and TIA1 synergistically increase tau (purple) accumulation, and the reduction of the TIA1 ortholog suppresses neurodegeneration in a fly model.
Sho Nakajima   +8 more
wiley   +1 more source

Spectroscopic Needs for Imaging Dark Energy Experiments: Photometric Redshift Training and Calibration

open access: yes, 2013
Large sets of objects with spectroscopic redshift measurements will be needed for imaging dark energy experiments to achieve their full potential, serving two goals:_training_, i.e., the use of objects with known redshift to develop and optimize ...
"Dark Energy and CMB" working group
core  

Holographic Dark Information Energy

open access: yesEntropy, 2011
Landauer’s principle and the Holographic principle are used to derive the holographic information energy contribution to the Universe. Information energy density has increased with star formation until sufficient to start accelerating the expansion of ...
Michael Paul Gough
doaj   +1 more source

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