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C+C Fusion Cross Sections Measurements for Nuclear Astrophysics
... At present the main limitation of the MUSIC detector is the low count rate it can tolerate in order to avoid pile- up effects leading to the incorrect identification of fusion events. At the ATLAS facility with its ... See full document
8
Neutron capture cross sections from Surrogate measurements
... To move beyond the approximate analysis methods cur- rently employed, a comprehensive theoretical treatment of the Surrogate approach is required. This involves a de- scription of direct reactions that populate ... See full document
5
Neutron-capture cross sections from indirect measurements
... much-needed nuclear data, in particu- lar cross sections for reactions on unstable ...surrogate nuclear reac- tion method, which aims at providing cross section information for compound ... See full document
5
The LUNA experiment: past and future
... of nuclear astrophysics are the thermonuclear reac- tions which shape the life and death of stars and which are responsible for the synthesis of the chemical elements in the ...the cross ... See full document
20
Underground Nuclear Astrophysics: pushing direct measurements toward the Gamow window
... beam energy spread and a very high beam current even at low energy. The extremely low laboratory background allowed to perform experiments with very small count rates, down to a few events per month. This way, the ... See full document
14
Fusion probability and survivability in estimates of heaviest nuclei production
... of nuclear stability for the heaviest ...ER cross sections obtained in the 26 Mg+ 248 Cm [65] and 48 Ca+ 226 Ra [66] reactions leading to the same 274 Hs * CN ...with fusion suppression (the ... See full document
10
Transfer reactions for nuclear astrophysics
... erential cross sections, a number of computer codes can be used such as FRESCO [7] and DWUCK ...scattering measurements are needed. When elastic measurements are not available, one can use the ... See full document
9
Reaction models in nuclear astrophysics
... which must be given for each partial wave J (not written for the sake of clarity). Indices i and f refer to the initial and final channels. The pole properties are associated with the physical energy and width of ... See full document
6
Electron Screening in Nuclear Astrophysics
... material, measurements report a strong dependence of cross section enhancement on the target host, which further substantiates the above-mentioned disbelief in ... See full document
20
ANC experiments for nuclear astrophysics
... Experimental measurements of reactions of relevance for astrophysics are a big challenge for experimentalists due to the presence of the Coulomb barrier between charged particles: in fact, it highly ... See full document
10
Annual progress report on nuclear data 1992. June 1993. EUR 15155 EN
... Measurements are presently done in three areas: 1 doubledifferential neutron emission cross sections; 2 doubledifferential charged particle emission cross sections and 3 total and radi[r] ... See full document
14
The Influence of Nuclear Reactions and Nuclear Structure in Astrophysics
... The measurements at the lowest energies are quite challenging due to the small yields and the strong influence from various background ...obtain cross sections at energies where no experimental data ... See full document
20
Differential cross-sections measurements for hadrontherapy: 50 MeV/A 12C reactions on H, C, O, Al and natTi targets
... using nuclear models that are constrained by experimental ...precise measurements of the production rates of these fragments all along the beam path and for its whole energy ...fragmentation ... See full document
7
Solar fusion cross sections
... (2) nuclear structure and strong-interaction effects, (3) antisymmetrization effects, (4) contributions from other partial waves, (5) screening by atomic elec- trons, and (6) final-state phase ...the ... See full document
85
Fusion cross section measurements of astrophysical interest for light heavy ions systems within the STELLA project
... To clarify the evolution of the S-factor towards the Gamow window, fusion cross sections below the nanobarn range should be measured. One possibility to obtain suf- ficient statistics is to increase ... See full document
11
High-resolution measurements of the exited states (n,pn), (n,dn) C-12 cross sections
... Artificial diamond detectors are used to detect neutron radiation thanks to their spectroscopic characteristics. Several nuclear reactions occur in carbon under neutron irradiation causing several types of ... See full document
31
Fusion measurements of 12C+12C at energies of astrophysical interest
... the cross section measured at and near the Gamow window is too large to put constraints on computations of nuclear abundances and reaction ...12 C+ 12 C reaction are still very low (roughly ... See full document
15
Experimental investigations of the sub-Coulomb 12C+12C and 12C+16O reactions
... 12 C+ 12 C fusion reaction has strong synergies with astrophysics; it plays a crucial role in several scenarios like the formation of white drafs, the nucleosynthesis in massive stars and ... See full document
64
Attenuation of UV C Solar Radiation as a Function of Altitude (0 ≤ z ≤ 100 km): Rayleigh Diffusion and Photo Dissociation of O2 Influence
... the cross sections were standardized into wave- lengths through interpolation and/or extrapolation and into wavelength steps of 1 nm were situated values of ...reported cross sec- tions and the ... See full document
34
Retrieving hurricane wind speeds using cross-polarization C-band measurements
... 20 min) has to be collocated separately. The number of indi- vidual flight legs for each hurricane, in which a NOAA flight was close enough in space and time is presented in Table 1. To determine if a flight leg is a ... See full document
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