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Gamma-ray astronomy has become one of the main experimental ways to test the modified dispersion relations (MDRs) of photons in vacuum, obtained in some attempts to formulate a theory of Quantum Gravity. The MDRs in use imply time delays…

高能天体物理现象 · 物理学 2022-05-11 J. Bolmont , S. Caroff , M. Gaug , A. Gent , A. Jacholkowska , D. Kerszberg , C. Levy , T. Lin , M. Martinez , L. Nogues , A. N. Otte , C. Perennes , M. Ronco , T. Terzić

Recent results from animal irradiation studies have rekindled interest in the potential of ultra-high dose rate irradiation (also known as FLASH) for reducing normal tissue toxicity. However, despite mounting evidence of a "FLASH effect", a…

医学物理 · 物理学 2019-08-06 Guillem Pratx , Daniel S Kapp

We investigate the influence of a stochastically fluctuating step-barrier potential on bimolecular reaction rates by exact analytical theory and stochastic simulations. We demonstrate that the system exhibits a new resonant reaction…

化学物理 · 物理学 2016-03-23 Jakob J. Kolb , Stefano Angioletti-Uberti , Joachim Dzubiella

A simple physical mechanism of stimulated light scattering on viruses in a water suspension (similar to Langmuir wave mechanism in plasma) is proposed. The proposed mechanism is based on the dipole interaction between the light wave and the…

The batch fermentation process, inoculated by pulsed electric field (PEF) treated wine yeasts (S. cerevisiae Actiflore F33), was studied. PEF treatment was applied to the aqueous yeast suspensions (0.12 % wt.) at the electric field…

生物物理 · 物理学 2013-06-18 J. Mattar , M. Turk , M. Nonus , N. I. Lebovka , H. El Zakhem , E. Vorobiev

PULSAR (personalized ultrafractionated stereotactic adaptive radiotherapy) is a form of radiotherapy method where a patient is given a large dose or pulse of radiation a couple of weeks apart rather than daily small doses. The tumor…

定量方法 · 定量生物学 2024-02-12 Samiha Rouf , Casey Moore , Debabrata Saha , Dan Nguyen , MaryLena Bleile , Robert Timmerman , Hao Peng , Steve Jiang

Radiative capture rates of thermal $\Lambda\Lambda + \Xi$N states into H dibaryon are calculated in the novel imaginary time method. The H dibaryon is assumed to be a bound state of $\Xi $N with spin $J^{\pi}= 0^+$, isospin $I=0$ and…

核理论 · 物理学 2015-05-11 E. Hikota , Y. Funaki , E. Hiyama , M. Oka

DWIA calculations of Lambda-hypernuclear production rates in stopped K- reactions on several p-shell targets used recently in experiments by the FINUDA Collaboration are reported. Chirally motivated K- + N -> pion + Lambda in-medium…

核理论 · 物理学 2015-03-17 V. Krejcirik , A. Cieply , A. Gal

We explore the impact of optical excitation using two interfering ultrashort optical pulses on ultrafast magnetization dynamics. Our investigation focuses on Pt/Co/Pt multilayers and TbCo alloy samples, employing a dual pump approach. We…

In this study, methane detonation propagation in dilute coal particle suspensions is studied based on Eulerian-Lagrangian method. Two-dimensional configuration is considered, and a skeletal chemical mechanism (24 species and 104 reactions)…

流体动力学 · 物理学 2022-02-08 Jingtai Shi , Yong Xu , Wanxing Ren , Huangwei Zhang

The theory of stimulated Raman adiabatic passage in a three-level Lambda-scheme of the interaction of an atom or molecule with light, which takes the nonadiabatic processes at the beginning and the end of light pulses into account, is…

量子物理 · 物理学 2009-11-25 M. V. Gromovyi , V. I. Romanenko , L. P. Yatsenko

Effects of a new triple-alpha reaction rate on the ignition of carbon-oxygen white dwarfs accreting helium in a binary systems have been investigated. The ignition points determine the properties of a thermonuclear explosion of a Type Ia…

高能天体物理现象 · 物理学 2010-12-03 Motoaki Saruwatari , Masa-aki Hashimoto

The DD-reaction is investigated and the heat emission off the targets during their irradiation with ion beams is studied at the HELIS ion accelerator at LPI. The heat emission is observed to be significantly higher in the case of…

仪器与探测器 · 物理学 2015-08-13 O. D. Dalkarov , M. A. Negodaev , A. S. Rusetskii

To identify proteins involved in cellular adaptive responses to zinc, a comparative proteome analysis between a previously developed high zinc- and cadmium- resistant human epithelial cell line (HZR) and the parental HeLa cells has been…

We propose LD(Low Dose) model, the extension of LDM model which was proposed in the previous paper [Y. Manabe et al.: J. Phys. Soc. Jpn. 81 (2012) 104004] to estimate biological damage caused by irradiation. LD model takes account of all…

生物物理 · 物理学 2015-06-05 Yuichiro Manabe , Masako Bando

Mitochondrial research is important to ageing, apoptosis, and mitochondrial diseases. In previous works, mitochondria are usually stimulated indirectly by proapoptotic drugs to study mitochondrial development, which is in lack of…

亚细胞过程 · 定量生物学 2015-02-18 Yintao Wang , Hao He , Shaoyang Wang , Yaohui Liu , Minglie Hu , Youjia Cao , Chingyue Wang

The linear plasma machine Magnum-PSI can replicate similar conditions to those found in a tokamak at the end of the divertor leg. A dedicated capacitor bank, in parallel to the plasma source, can release a sudden burst of energy, leading to…

To achieve more controllable development of coherence in solids, we investigated the effect of a trigger laser tuned to the superradiance transition wavelength on periodic superradiance observed in an Er:YSO crystal. For period control,…

We develop a kinetic reaction model for cells having irradiated DNA molecules due to ionizing radiation exposure. Our theory simultaneously accounts for the time-dependent reactions of the DNA damage, the DNA mutation, the DNA repair, and…

生物物理 · 物理学 2015-06-18 Yuichiro Manabe , Issei Nakamura , Masako Bando

We study Chiral Based Electromagnetically Induced Transparency (CBEIT) of a light pulse and its associated subluminal and superluminal behavior through a cold and a hot medium of 4-level \textit{double-Lambda type} atomic system. The…

量子物理 · 物理学 2014-01-21 Bakht A Bacha , Fazal Ghafoor , Rashid G Nazmidinov