The 9Be(p,p0)9Be, 9Be(p,d0)8Be, and 9Be(p,α0)6Li cross-sections for analytical purposes

Abstract

a b s t r a c tThe cross-sections for the 9 Be(p,d 0 ) 8 Be nuclear reaction and for 9 Be(p,p 0 ) 9 Be backscattering were measured at a laboratory scattering angle of 165°in the energy range from 400 to 4150 keV, the cross-section for the 9 Be(p,a 0 ) 6 Li nuclear reaction was determined in the energy range from 400 to 1300 keV. The cross-sections were determined using thin films. The absolute accuracies are about 4.4-8.6% for the backscattering, 4.6-24% for the 9 Be(p,d 0 ) 8 Be nuclear reaction, and 4.5-5% for the 9 Be(p,a 0 ) 6 Li nuclear reaction cross-section. The derived cross-section data were benchmarked in the energy range 1100-4100 keV by comparison to measured spectra from bulk beryllium. The cross-section data are presented in graphical and tabular forms.Ó 2015 Elsevier B.V. All rights reserved. 9 Be þ p ! d 0 þ 8 Be ðIÞ 9 Be þ p ! a 0 þ 6 Li ðIIÞ 9 Be þ p ! a 1 þ 6 Li ðIIIÞ Reaction (I) has a relatively large cross-section in the energy range 1-2.5 MeV and has to be taken into account when analyzing thick Be layers. The lifetime of the produced 8 Be is very short and it further disintegrates into two a-particles. Cross-section data for http://dx.

A Microscopic Approach for $p+^9$Be at Energies Between 1.7 to 15 MeV/nucleon

“…[1], we enter the region of 10 B resonances and possible compound nucleus contributions. In fact, according to the compilation of Krat et al [18], the energy of our data at 2.46 MeV/nucleon matches almost exactly a pronounced resonant peak, responsible for the apparent worse agreement of the present JLM calculations and the CRC calculations of Ref. [1] with the data at this energy.…”

Comparison of erosion and deposition in JET divertor during the first three ITER-like wall campaigns

“…The 12C( 3 He,p0)14N and 12 C( 3 He,p1) 14 N reactions were used to measure the C content [15]. The 9 Be( 3 He,p0) 11 B and 9 Be( 3 He,p1) 11 B reactions were used to measure the Be content [16]. In both JET-ILW1 and JET-ILW2 for which data from tile 5 is available, the strongest erosion was observed there, in the areas close to the maximum duration of strike-point positioning.…”

Cross-section studies of deuteron reactions and application in light element ion beam analysis techniques

“…The target thickness determination and the proton spectra simulation was accomplished using the evaluated data for the 12 C(p,p0) 12 C [82], 14 N(p,p0) 14 N [26], 16 O(p,p0) 16 O [84] and the nat Si(p,p0) nat Si [27] elastic scattering as calculated through the online calculator SigmaCalc 2.0, implemented in SIMNRA v. 6.94. For the simulation of the 9 Be(p,p0) 9 Be peak, in the absence of evaluated or benchmarked data, measured data were used and more specifically the data by Liu et al [17] at 170 o , which were in agreement, within 4%, with the data by Krat et al [18] at 165 o . An experimental spectrum, along with the simulated one, are shown in Fig.…”

“…The nat O(d,d0) nat O was studied in the energy range of 1500 -2500 keV with steps of 10-20 keV and for the scattering angles of 130 o , 140 o , 150 o , 160 o and 170 o . The level scheme of the formed compound nucleus 18 F* for the most abundant isotope of natural oxygen, that is 16 O, is illustrated in Fig 5 .1. These levels were retrieved from [90] and [91] and de-excite via the emission, of not only deuterons, but a variety of particles in the exit channel, such as protons (e.g.…”

“…Be, απουσία αξιολογημένων δεδομένων ή benchmarked δεδομένων, χρησιμοποιήθηκαν δεδομένα από την βιβλιογραφία. Συγκεκριμένα χρησιμοποιήθηκαν τα δεδομένων των Liu et al[17] στις 170 o , τα οποία συμφωνούσαν εντός 4%, με τα δεδομένα των Krat et al[18] στις 165 o . Ένα πειραματικό φάσμα μαζί με το προσομοιωμένο παρουσιάζεται στο Σχήμα x για την ενέργεια πρωτονίων 1500 keV και για την γωνία σκέδασης 170 o .…”