beam energies
Ion yields and erosion rates for Si1−xGex(0x1) ultralow energy O2+ secondary ion mass spectrometry in the energy range of 0 25–1 keV
... different beam energies as a function of x, the 250 eV germanium ion yield is found to be proportional to its sputter ...For beam energies ⱕ750 eV the magnitude of the useful yield for ...
10
Clusters in neutron-rich light nuclei
... In order to further study the structure of nuclei in the A =10 mass re- gion, the 10 B+ 10 B reactions were measured at beam energies of 50 and 72.2 MeV. The experiment was performed at INFN-LNS, using the ...
8
Fusion of the most neutron-rich nucleus 8He: Recent results from GANIL
... simultaneous measurement of fusion and direct reac- tions (elastic scattering and neutron(s) transfer) at en- ergies above the Coulomb barrier. Simultaneously, the goal was to improve the sensitivity of in-beam ...
6
Near-threshold pion production in diproton reactions with polarised beams and target at ANKE-COSY
... low beam energies would allow us to determine the partial wave amplitudes which, in turn, would provide a non-trivial test of chiral perturbation theory [4] and also lead to the determination of the value ...
6
Reaction of two pion production pd → pdππ in the resonance region
... The spin-parity of this resonance J P = 3 + was established by polarized measurements, however, information about its production (decay) channels is still non-complete. Recently a resonance structure was observed by the ...
6
Thesis
... Visualized X-ray transmission values for a cross-section of the column using beam energies above the cesium K-edge (a), between the iodine K-edge and the cesium K- edge (b) and below [r] ...
25
The proton radius puzzle – 9 years later
... New precise data comes from the recently released re- sults of PRad [45], measuring the elastic cross section in a Q 2 range from 2.1 · 10 −4 (GeV/c) 2 to 6 · 10 −2 (GeV/c) 2 with good statistical and systematic ...
7
Structure of 24Mg excited states and their influence on nucleosynthesis
... at the three different beam energies are presented in Fig. 4. Spectra are normalized and corrected for the detection efficiency. From the spectra in Fig. 4, it is clear that there is a difference in the ...
8
Subthreshold ϕ meson production in nucleus-nucleus collisions
... At beam energies of about 1-2A GeV, accessible at the SIS 18 synchrotron in GSI, Darmstadt, the hadronic degrees of freedom are dominant, and the channel of strangeness production opens ...
5
Light ion beams for ADS energy production
... calculations the cylindrical target from natural uranium with a length of 160 cm and a radius of 60 cm was considered. The simulation was performed for beam energies from 0.3 to 10 GeV/nucleon. The well ...
5
Reaction dynamics studies for the system 7Be + 208Pb at Coulomb barrier energies
... secondary beam, it was not possible to distinguish in the data analysis between events gener- ated for a pure elastic scattering process and those leading to the population of the first excited state of the projec- ...
5
Registration and Energies
... For the second printing, place the print face up on the felts and use the marks of the plate edge on the length and width of the paper as a guide in placing the newly inked plate over th[r] ...
29
Breakup branches of Borromean beryllium 9
... However, 9 Be still remains an exceptionally di ffi cult nucleus to study experimentally because the excited states typically exist as broad resonances above the particle decay threshold. Due to the propensity for these ...
5
On the η and η’ Photoproduction Beam Asymmetry at High Energies
... quantity needed to estimate the ratio Σ 0 /Σ in Eq. (4) is the η beam asymmetry. One could use the recent GlueX data [13] as input. How- ever, the analysis contains measurements at only four values of t. We opt ...
10
Shell structure, emerging collectivity, and valence p-n interactions
... obtained a systematic behavior (maxima in δ V pn ) when a nucleus has equal (or almost equal) numbers of valence protons and neutrons and noticed a consistent difference between proton and neutron Nilsson orbit quantum ...
8
Skyrmions with low binding energies
... Our analysis of the lightly bound model has been purely classical, but in the future this model should be quantised semi-classically. Including quantum corrections would no doubt modify some of our results. Most notably, ...
16
The energy of step defects on the TiO2 rutile (110) surface: An ab initio DFT methodology
... Consider three high-index supercells of layers thickness with total surface areas , and and step-step distances , and . Suppose that these supercells and a bulk unit cell are optimised to give energies , , and . ...
11
Diffusion of point defects in crystalline silicon using the kinetic activation relaxation technique method
... These configurations are related through 27 different events that control, at 500 K, the tetravacancy complex diffusion (see Table IV). As indicated, the barrier for leaving the ground state is fairly high, at 1.2 eV, ...
13
Survey of Graph Energies
... At the present moment there are only two monographs entirely devoted to graph energies [114, 116]. However, graph–energy–related topics can be found in numerous other books and textbooks, sometimes in the form of ...
45
DEFECT ENERGIES IN ZNSE
... We have now quite a range of results to allow us to assess an ionic model for ZnSe. Centres where the Schrodinger equation must be solved for a trapped carrier are an obvious [r] ...
11