[PDF] Top 20 Measurements and usage of cross sections of various (n,xn) threshold reactions
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Measurements and usage of cross sections of various (n,xn) threshold reactions
... Neutron field monitoring is crucial for many devices and systems such as spallation neutron sources, accelerator driven systems and other kinds of advanced nuclear systems. Since neutrons are electri- cally neutral ... See full document
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Three years of cross-section measurements of (n,xn) threshold reactions at TSL Uppsala and NPI Řež
... We used quasi-monoenergetic neutron sources at TSL Uppsala and NPI Reˇz to measure cross-sections of (n,xn), (n,α) and (n,p) reactions in Al, Au, Bi, I, In, and Ta. We ... See full document
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(n,xn γ) reaction cross section measurements for (n,xn) reaction studies
... (n,xn) reactions, our collaboration has chosen to use the prompt γ -ray spectroscopy which provides (n,xn γ ) cross ...flight measurements, for which a high precision ... See full document
5
Measurements of cross-sections of (n,xn) threshold reactions in various materials
... For the (n,xn) cross-section measurement we have used neutron activation and gamma spectra evaluation. In all irradiations were studied Au, Al, Bi, In and Ta materials. The studied materials were in ... See full document
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Exclusive open-charm near-threshold cross sections in a coupled-channel approach
... exclusive cross sections of the e + e − annihilation to various open-charm final states is ...coherent measurements in the full √ s interval below 5 GeV for numerous two-body final states in ... See full document
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High-resolution measurements of the exited states (n,pn), (n,dn) C-12 cross sections
... kinematics. A typical PHS recorded with the measurement set-up described above is show in Fig. 1. The energies of the peaks were obtained using the reaction Q values as described in Ref. [13]. The peak energies-PHS ... See full document
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Total and partial photoneutron reactions cross sections – new analysis and evaluation
... Abstract.The well–known problems of significant disagreements between partial photoneutron reactions (,n), (,2n) and (,3n) cross sections data obtained in various experiments are ... See full document
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Fusion probability and survivability in estimates of heaviest nuclei production
... and N=184) in fusion-evaporation reactions induced by heavy ions has been considered in a systematic way within the framework of the barrier-passing model coupled with the statistical model (SM) of ... See full document
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CROSS SECTIONS USED TO ELUCIDATE DIFFERENCES IN WAVELET TRANSFORMS OF GROUND FORCE REACTIONS
... included reactions from force plates [10- 12], angles of joints such as the hips and knees [3, 4, 13-15], measures of joint kinematics such as acceleration [16], and muscle activity [8, ... See full document
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Neutron-induced cross sections of actinides via the surrogate-reaction method
... the competition between gamma emission and neutron evaporation. To obtain the gamma-decay probability, this ratio has to be corrected for the cascade-detection efficiency of CACTUS. The latter will be obtained from a ... See full document
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An Experimental Study of Ionising Collisions Between Metastable Helium and Various Atoms and Molecules.
... chemical reactions such as dissociative ionisation and associative-dissociative ionisation taking ...ionisation cross section is in poor agreement with the experimental work of Jerram and Smith ... See full document
208
Statistical Model Analysis of (n, α) Cross Sections for 4.0-6.5 MeV Neutrons
... The α -clusterization factor, which takes into account α -particle formation probability on the sur- face of the compound nucleus, was not considered in formulae (6), (7) and (8). So, these for- mulas should be correct ... See full document
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Unbounded solutions of the max-type difference equation xn+1 = max {An/xn, Bn/xn-2},n = 0,1,2,...
... In particular, the next four lemmas will show that every positive solution of Eq.1 is unbounded and will consist of four subsequences; two of which converge to 0 and the other two diverg[r] ... See full document
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Theory and Application of Naturally Curved and Twisted Beams with Closed Thin-Walled Cross Sections
... Eigenwarping theory is in fact to transform the solution of out-of-plane torsional warping of the cross-section into a problem for finding the eigenvaules and eigenvectors. The eigenvalue problem can be solved ... See full document
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(n,α) reactions cross section research at IPPE
... The block diagram of the setup is shown in figure 1. The detector consists of two ionization chambers. The main ionization chamber with a Frisch grid (GIC) was used as spectrometer for (n,α) reaction products. An ... See full document
10
Some inequalities for the ratio of gamma functions
... Let us briefly review the so-called multiple-correction method presented in our previous papers [, ]. Actually, the multiple-correction method is a recursive algorithm, and one of its advantages is that by repeating ... See full document
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Top-quark properties and mass measurements with the ATLAS detector
... the W boson from the top-quark decay has high momentum and its decay products tend to have small angles and the top-quark charge asymmetry di ff ers between FCNC processes and SM processes in the ugt channel. ... See full document
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Stability of N-extremal measures
... µ generates an indeterminate Hamburger moment problem, then it is discrete. It is known that the class of N-extremal measures that generate an indeterminate moment problem is preserved when a finite number of mass ... See full document
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Quantitative infrared absorption cross sections of isoprene for atmospheric measurements
... of measurements) is a major contributor to uncertainties in model simulations of regional air quality and global climate (Guenther et ...Isoprene measurements are also of interest to character- ize ... See full document
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C+C Fusion Cross Sections Measurements for Nuclear Astrophysics
... fusion cross section of carbon isotopes were obtained using the newly developed MUSIC ...present measurements are relevant for understanding x-ray ... See full document
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