نتایج جستجو برای: impact ionisation
تعداد نتایج: 762857 فیلتر نتایج به سال:
This work describes the first observations of the ionisation of neon in a metastable atomic state utilising a strong-field, few-cycle light pulse. We compare the observations to theoretical predictions based on the Ammosov-Delone-Krainov (ADK) theory and a solution to the time-dependent Schrödinger equation (TDSE). The TDSE provides better agreement with the experimental data than the ADK theor...
The Muon Ionisation Cooling Experiment (MICE) is currently under construction at the Rutherford Appleton Laboratory. MICE will prove the technology necessary for muon ionisation cooling. In ionisation cooling, particle beam emittance is reduced by passage through an energy absorbing medium and RF cavities. In its final configuration, MICE will consist of a 5.5 metre cell of an ionisation coolin...
We have performed simulations of cluster formation along two regions a spiral arm taken from global Milky Way simulation, including photoionising feedback. One region is characterised by strongly converging flows, the other represents more typical region. find that massive clusters are able to form on shorter timescales for with flows. Mergers between frequent in case flows and enable clusters....
All cool stars with outer convective zones have the potential to exhibit stochastically excited stellar oscillations. In this work, we explore layers of less massive than Sun. particular, computed a set models raging from 0.4 0.9 $M_\odot$ aim at determining impact on oscillations two physical processes occurring in envelopes these stars. Namely, partial ionisation chemical elements and electro...
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