Results 51 to 60 of about 230,400 (298)

Measurement of fast ion life time using neutron diagnostics and its application to the fast ion instability at ELM suppressed KSTAR plasma by RMP

Nuclear Engineering and Technology, 2019
The confinement degradation of the energetic particles during RMP would be a key issue in success of realizing the successful energy production using fusion plasma, because a 3.5 MeV energetic alpha particle should be able to sustain the burning plasma ...
Jong-Gu Kwak, M.H. Woo, T. Rhee
doaj   +1 more source

Analysis of beam ion driven Alfvén eigenmode stability induced by Tungsten contamination in EAST

Nuclear Fusion, 2023
Alfvén eigenmodes (AE) activity is observed in the EAST high β _N and low B _T discharge 93910, operation scenario dedicated to explore the ITER baseline scenario.
X.H. Wang, J. Huang, J. Varela, H.L. Zhao, D.A. Spong, L.Q. Xu, W. Shen, J.F. Chang, J. Fu, Y.X. Sun, C. Shi, S.S. Wang, the EAST Team   +12 more
doaj   +1 more source

The role of three-dimensional transport in driving enhanced electron acceleration during magnetic reconnection

, 2017
Magnetic reconnection is an important driver of energetic particles in many astrophysical phenomena. Using kinetic particle-in-cell (PIC) simulations, we explore the impact of three-dimensional reconnection dynamics on the efficiency of particle ...
Dahlin, J. T., Drake, J. F., Swisdak, M.
core   +1 more source

Effects of interplanetary transport on derived energetic particle source strengths [PDF]

, 2010
We study the transport of solar energetic particles (SEPs) in the inner heliosphere in order to relate observations made by an observer at 1 AU to the number and total energy content of accelerated particles at the source, assumed to be near the Sun.
Chollet, E. E., Giacalone, J., Mewaldt, R. A.   +2 more
core   +1 more source

Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions

FEBS Letters, EarlyView.
We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva, Puspa Kunwar, Md Ibnul Rifat Rahman, Joanna Koryo Kwao, Nathan Lehman, Zihan Zhang, Trenton Paul, Claire Cheng, Nicholas Truex, Hui‐Ting Lee, Jun Zhang   +10 more
wiley   +1 more source

Short-term Classification of Strong Solar Energetic Particle Events Using Multivariate Time-series Classifiers

The Astrophysical Journal
Solar energetic particle (SEP) events are one of the most crucial aspects of space weather that require continuous monitoring and forecasting. Their prediction depends on various factors, including source eruptions.
Sumanth A. Rotti, Berkay Aydin, Petrus C. Martens   +2 more
doaj   +1 more source

ICRF heating schemes for the HL-2M tokamak

Nuclear Fusion, 2023
The HL-2M tokamak is a new medium-sized tokamak at SouthWestern Institute of Physics. Two of its key missions are to achieve 10 keV ion temperature and investigate the behavior of energetic particles relevant to burning plasmas.
L.F. Lu, B. Lu, X.J. Zhang, L. Colas, G. Urbanczyk, Z. Wang, Z.J. Li, B.L. Hao, L. Xue, M. Xue, S. Wang, A.P. Sun   +11 more
doaj   +1 more source

Nasa schedules launch of radiation-detection satellite this month [PDF]

, 1964
Energetic Particle Explorer satellite probe of particles in Van Allen radiation ...

core   +1 more source

Alternative model of the Antonov problem

, 2003
Astrophysical systems will never be in a real Thermodynamic equilibrium: they undergo an evaporation process due to the fact that the gravity is not able to confine the particles. Ordinarily, this difficulty is overcome by enclosing the system in a rigid
D. Lynden-Bell, D. Lynden-Bell, D. Lynden-Bell, D. Ruelle, E. V. Votyakov, F. Guzmán, H. J. de Vega, H. J. de Vega, H. J. de Vega, J. van der Linden, J. van der Linden, J. van der Linden, L. Velazquez, M. E. Fisher, M. Kiessling, P. H. Chavanis, P. H. Chavanis, T. Padmanabhan, V. A. Antonov, W. Thirring   +19 more
core   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

FEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li, Pedro A. Sánchez‐Murcia, Bernd Nidetzky   +2 more
wiley   +1 more source