scholarly journals First results of the differential cross sections of 9Be(d,d0) at energies and angles suitable for Elastic Backscattering Spectroscopy

2019 ◽  
Vol 26 ◽  
pp. 158
Author(s):  
E. Ntemou ◽  
M. Kokkoris ◽  
A. Lagoyannis ◽  
C. Lungu ◽  
K. Mergia ◽  
...  
Keyword(s):  
Elastic Scattering ◽  
Differential Cross Section ◽  
Energy Range ◽  
Cross Section ◽  
Cross Sections ◽  
Differential Cross ◽  
Differential Cross Sections ◽  
Tandem Accelerator ◽  
First Results ◽  
Elastic Backscattering

The differential cross sections of the 9Be(d,d0) elastic scattering were determined in the present work in the energy range of Ed,lab = 740 - 2200 keV in variable steps, mainly 20 keV at five backscattering angles (120o, 140o, 150o, 160o and 170o). The measurements were performed at the 5.5 MV TN11 HV Tandem Accelerator of the N.C.S.R. “Demokritos” implementing a high precision goniometer. The target used was a thin Si3N4 target with a Beryllium layer on top. The obtained differential cross section values are compared to the ones existing in literature and the observed similarities and discrepancies are discussed.

scholarly journals Measurement of differential cross sections of deuteron elastic scattering on 31P for EBS purposes

2020 ◽  
Vol 27 ◽  
pp. 131
Author(s):  
Natalia Bligoura ◽  
Eleni Ntemou ◽  
Xenophon Aslanoglou ◽  
Michael - Kokkoris ◽  
Anastasios Lagoyannis ◽  
...  
Keyword(s):  
Elastic Scattering ◽  
Cross Section ◽  
Cross Sections ◽  
Differential Cross ◽  
Surface Barrier ◽  
Differential Cross Sections ◽  
Tandem Accelerator ◽  
Elastic Backscattering ◽  
First Time ◽  
Variable Energy

The 31P(d,d0)31P elastic scattering differential cross-sections were measured, for the first time, in the energy range Ed,lab=900-2400 keV, using a variable energy step, for elastic backscattering spectrometry (EBS) purposes. The measurements were performed at the 5.5 MV TN11 HV Tandem Accelerator of the N.C.S.R. “Demokritos”, implementing a high precision goniometer. The experimental setup consisted of five silicon surface barrier (SSB) detectors, placed at the laboratory scattering angles between 130° and 170° (in steps of 10°). The target used was a thin GaP layer evaporated on a self-supporting carbon foil. To validate the obtained results, benchmarking measurements were performed, using a polished GaP crystal. The determined cross-section datasets are compared with the corresponding ones using Rutherford’s formula, and similarities and discrepancies will be discussed and analyzed.

Differential cross-section measurements in positron–argon collisions

1996 ◽  
Vol 74 (7-8) ◽  
pp. 505-508 ◽  
Author(s):  
R. M. Finch ◽  
Á. Kövér ◽  
M. Charlton ◽  
G. Laricchia
Keyword(s):  
Elastic Scattering ◽  
Differential Cross Section ◽  
Inelastic Scattering ◽  
Energy Range ◽  
Cross Section ◽  
Cross Sections ◽  
Differential Cross ◽  
Coupling Effect ◽  
Channel Coupling ◽  
Scattering Cross

Differential cross sections for elastic scattering and ionization in positron–argon collisions as a function of energy (40–150 eV) are reported at 60°. Of particular interest is the energy range 55–60 eV, where earlier measurements by the Detroit group found a drop in the elastic-scattering cross section of a factor of 2. This structure has been tentatively attributed to a cross channel-coupling effect with an open inelastic-scattering channel, most likely ionization. Our results indicate that ionization remains an important channel over the same energy range and only begins to decrease at an energy above 60 eV.

scholarly journals Measurement of the differential cross sections of natLi(d,d0) for EBS purposes

2019 ◽  
Vol 24 ◽  
pp. 272
Author(s):  
E. Ntemou ◽  
K. Preketes-Sigalas ◽  
X. Aslanoglou ◽  
V. Foteinou ◽  
M. Kokkoris ◽  
...  
Keyword(s):  
Fine Structure ◽  
Elastic Scattering ◽  
Energy Range ◽  
Cross Section ◽  
Cross Sections ◽  
Differential Cross ◽  
Beam Energy ◽  
Deuteron Beam ◽  
Differential Cross Sections

In the present work, the 6,7Li(d,d0)6,7Li elastic scattering differential cross sections were measured in the energy range Elab = 900 – 2000 keV for EBS purposes, using thin lithium targets, made by evaporating natLiF and isotopically enriched 6LiF powder on self-supporting carbon stripping foils, with an ultra-thin Au layer on top for charge normalization purposes. The experiment was carried out in deuteron beam energy steps of 5 to 30 keV, depending on the fine structure of each studied cross section, and for the laboratory scattering angles of 125˚, 140˚, 150˚, 160˚, and 170˚.

scholarly journals A benchmarking procedure for PIGE related differential cross-sections

2019 ◽  
Vol 24 ◽  
pp. 36
Author(s):  
M. Axiotis ◽  
A. Lagoyannis ◽  
S. Fazinić ◽  
S. Harrisopulos ◽  
M. Kokkoris ◽  
...  
Keyword(s):  
Differential Cross Section ◽  
Cross Section ◽  
Cross Sections ◽  
Differential Cross ◽  
A Priori ◽  
Light Element ◽  
Thick Target ◽  
A Priori Knowledge ◽  
Differential Cross Sections ◽  
The World

The application of standard-less PIGE requires the a priori knowledge of the differential cross section of the reaction used for the quantification of each detected light element. Towards this end, a lot of datasets have been published the last few years from several laboratories around the world. The discrepancies found can be resolved by applying a rigorous benchmarking procedure through the measurement of thick target yields. Such a procedure is proposed in the present paper and is applied in the case of the 19F(p,p’γ)19F reaction.

scholarly journals Evaluation of the Compton (Incoherent) and Rayleigh (Coherent) Differential Cross Sections of Scattering for Rhodium 103Rh45 and Tantalum181Ta73 by Employing CSC model

2012 ◽  
Vol 9 (3) ◽  
pp. 554-558 ◽  
Author(s):  
Baghdad Science Journal
Keyword(s):  
Differential Cross Section ◽  
Cross Section ◽  
Cross Sections ◽  
Differential Cross ◽  
Form Factors ◽  
Differential Cross Sections ◽  
The Cross

The differential cross section for the Rhodium and Tantalum has been calculated by using the Cross Section Calculations (CSC) in range of energy(1keV-1MeV) . This calculations based on the programming of the Klein-Nashina and Rayleigh Equations. Atomic form factors as well as the coherent functions in Fortran90 language Machine proved very fast an accurate results and the possibility of application of such model to obtain the total coefficient for any elements or compounds.

Differential cross sections for elastic scattering of electrons by CH4in the energy range of 3 to 20 eV

1982 ◽  
Vol 15 (18) ◽  
pp. 3305-3319 ◽  
Author(s):  
H Tanaka ◽  
T Okada ◽  
L Boesten ◽  
T Suzuki ◽  
T Yamamoto ◽  
...  
Keyword(s):  
Elastic Scattering ◽  
Energy Range ◽  
Cross Sections ◽  
Differential Cross ◽  
Differential Cross Sections

Small Angle Elastic Scattering of 4.3 MeV Neutrons From U, Bi, and Pb

1973 ◽  
Vol 51 (20) ◽  
pp. 2197-2201 ◽  
Author(s):  
P. W. Martin ◽  
R. McFadden ◽  
B. L. White
Keyword(s):  
Elastic Scattering ◽  
Satisfactory Agreement ◽  
Cross Section ◽  
Cross Sections ◽  
Small Angle ◽  
Differential Cross ◽  
Optical Model ◽  
Differential Cross Sections ◽  
Electromagnetic Interactions ◽  
The Cross

The differential cross sections for 4.3 MeV neutrons elastically scattered from natural samples of U, Bi, and Pb have been measured at laboratory angles of 5, 10, and 15°. In the case of uranium, the data are consistent with calculations based on the nuclear optical model and known electromagnetic interactions. Less satisfactory agreement to the data is obtained in the cross section measurements for lead and bismuth.

scholarly journals Differential cross-section measurements for the 7Li(p,p0)7Li, 7Li(p,p1)7Li, 7Li(p,α0)4He, 19F(p,p0)19F, 19F(p,α0)16O and 19F(p,α1,2)16O reactions

2012 ◽  
Vol 20 ◽  
pp. 89
Author(s):  
V. Paneta ◽  
A. Lagoyannis ◽  
A. Kafkarkou ◽  
M. Kokkoris
Keyword(s):  
Experimental Data ◽  
Differential Cross Section ◽  
Cross Section ◽  
Cross Sections ◽  
Differential Cross ◽  
Differential Cross Sections ◽  
Variable Energy

Differential cross sections of the 7Li(p,p0)7Li, 7Li(p,p1)7Li, 7Li(p,α0)4He, 19F(p,p0), 19F(p,α0)16O and 19F(p,α1,2)16O reactions have been determined for proton energies Elab=1500-7000 keV, using a variable energy step and for detection angles between 140-170 degrees in steps of 10 degrees. To validate the obtained results, benchmarking measurements were performed, using thick and mirror-polished BaF2 and LiF targets. The experimental data are compared to data from literature, when available, and similarities and discrepancies are presented and analyzed.

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