Cross section calculation of (n,p) and (n,2n) nuclear reactions on Zn, Mo and Pb isotopes with ~ 14 MeV neutrons

Gandhi, A.; Sharma, Aman; Kopatch, Yu. N.; Fedorov, N.; Grozdanov, D. N.; Ruskov, I.; Kumar, Ajay

doi:10.1007/s10967-019-06533-6

Cited by 20 publications

(8 citation statements)

References 13 publications

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“…The main purpose of TALYS nuclear code is to provide a complete set of answers for the nuclear reactions, all open channels and associated cross sections, spectra and angular distributions. In the TALYS nuclear code, there are 6 level densities models in which three options for the phenomenological level density model and three options for the microscopic level density [33,34]. Of these six level density models, ldmodel-1 is the constant temperature and Fermi gas model, ldmodel-2 is the back-shifted Fermi gas model, ldmodel-3 is the generalized superfluid model, ldmodel-4 is the microscopic level density (Skyrme Force) from the Gorley table, ldmodel-5 is the microscopic level density (Skyrem force) from Hilaire's combinatorial tables and ldmodel-6 is the microscale density (temperature-dependent HFB, Gogni force) from Hilaire's combinatorial tables [35][36][37][38][39][40].…”

Section: Theoretical Calculationsmentioning

confidence: 99%

Measurement of alpha induced reaction cross-sections on $^{nat}$Mo with detailed covariance analysis

Choudhary,

Gandhi,

Sharma

et al. 2022

Preprint

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In the present study we have measured the excitation functions for the nuclear reactions 100 Mo(α,n) 103 Ru, nat Mo(α,x) 97 Ru, nat Mo(α,x) 95 Ru, nat Mo(α,x) 96g Tc, nat Mo(α,x) 95g Tc and nat Mo(α,x) 94g Tc in the energy range 11-32 MeV. We have used the stacked foil activation technique followed by off-line gamma ray spectroscopy technique to measure the excitation functions. In this study we have also documented detailed uncertainty analysis for these nuclear reactions and their corresponding covariance matrix are also presented. The excitation functions are compared with the available experimental data from EXFOR data library and the theoretical prediction from TALYS nuclear reaction code. The present measurements are found to be consistent with the available experimental data.

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Section: Theoretical Calculationsmentioning

confidence: 99%

Measurement of alpha induced reaction cross-sections on $^{nat}$Mo with detailed covariance analysis

Choudhary,

Gandhi,

Sharma

et al. 2022

Preprint

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“…The basic objective behind its construction is the simulation of nuclear reactions that involve neutrons, photons, protons, deuterons, tritons, 3 He and alpha-particles as projectiles and for target nuclides of mass 12 and heavier. The nuclear model calculations based on TALYS-1.95 is generally categorized into Direct, Pre-equilibrium and Compound nuclear reactions and specific statistical theories have been implemented in it [11,12,13,14,15].…”

Section: Talys-195 Nuclear Reaction Model Codementioning

confidence: 99%

Statistical analysis of proton induced reactions to generate recommended data for the production of medical radio-isotopes

Mondal¹,

Gandhi²,

Pachuau³

2022

Preprint

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Radio-isotopes produced via proton induced reaction holds special significance regarding nuclear medicine, astrophysical p-process, theragnostic and diagnostic processes. 76 Br, 80m Br and 61 Cu are positron emitter and they are useful in the functional studies via Positron Emission Tomography (PET), whereas 77 Br bears the potential for the application in Single Photon Emission Computed Tomography (SPECT) which involves electron capture process. PET and SPECT have been in high application in medical physics, diagnostics, therapy and nuclear medicine. 99m Tc and 64 Cu are two popular radionuclide which play important role in nuclear medicine, currently being used in bio-medical physics, bone scan, modern imaging, blood pool leveling, oncology and diagnosis of copper related diseases. This paper focus on the generation of recommended nuclear reaction cross sections for the production of some useful medical radio-isotopes using the experimental datasets obtained from EXFOR database and simulated datasets from nuclear reaction model codes TALYS-1.95 and EMPIRE-3.1.1. 95% confidence interval has been implemented to ensure confidence and precision.

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“…[92]. For Mo, its linear attenuation coefficient was determined based on the formula , where 10.23 (in g/cm 3 ) is the density of the Mo sample [93]. With regard to correction factors for sample self-absorption under the specific gamma-ray energy, the h value in Eqs.…”

Section: Experimental Values For Cross Sectionsmentioning

confidence: 99%

“…The 3 H(d,n) 4 He reaction can be employed to obtain an output as high as 14 MeV, and the flux rate is approximately 3×10 14 n/s [2]. Natural Mo occurs as seven isotopes: 92 Mo, 94 Mo, 95 Mo, 96 Mo, 97 Mo, 98 Mo, and 100 Mo, accounting for 14.53%, 9.15%, 15.84%,16.67%, 9.60%, 24.39%, and 9.82%, respectively [3]. Therefore, structur-al material activation within the fusion reactor should be taken into consideration.…”

Section: Introductionmentioning

confidence: 99%

Cross-sections for , and reactions on molybdenum isotopes in the neutron energy range of 13 to 15 MeV *

Luo¹,

Li²

2020

Chinese Phys. C

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Given the insufficient cross-sectional data regarding the 14-MeV-neutron experiment of molybdenum, the vital fusion reactor structural material, and the significant heterogeneities among the reported values, this study examined the (n,2n), (n,α), (n,p), (n,d), and (n,t) reaction cross sections in molybdenum isotopes based on the neutrons produced via a T(d,n)4He reaction carried out in the Pd-300 Neutron Generator at the China Academy of Engineering Physics (CAEP). A high-resolution gamma-ray spectrometer, which was equipped with a coaxial high-purity germanium detector, was used to measure the product nuclear gamma activities. In addition, 27Al(n,α)24Na and 93Nb(n,2n)92mNb reactions were utilized as the neutron fluence standards. The experimental 92Mo(n,2n)91Mo, 94Mo(n,2n)93mMo, 100Mo(n,2n)99Mo, 98Mo(n,α)95Zr, 100Mo(n,α)97Zr, 92Mo(n,p)92mNb, 96Mo(n,p)96Nb, 97Mo(n,p)97Nb, 98Mo(n,p)98mNb, 92Mo(n,d)91mNb, and 92Mo(n,t)90Nb reaction cross sections were acquired within the 13–15 MeV neutron energy range. Thereafter, we compared and analyzed these obtained cross sections based on the existing IAEA-EXFOR database-derived experimental data, together with evaluation results corresponding to ENDF/B-VIII.0, JEFF-3.3, BROND-3.1, and CENDL-3.1 and the theoretical outcomes acquired through TALYS-1.95 and EMPIRE-3.2.3 (nuclear-reaction modeling tools).

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Cross section calculation of (n,p) and (n,2n) nuclear reactions on Zn, Mo and Pb isotopes with ~ 14 MeV neutrons

Cited by 20 publications

References 13 publications

Measurement of alpha induced reaction cross-sections on $^{nat}$Mo with detailed covariance analysis

Measurement of alpha induced reaction cross-sections on $^{nat}$Mo with detailed covariance analysis

Statistical analysis of proton induced reactions to generate recommended data for the production of medical radio-isotopes

Cross-sections for , and reactions on molybdenum isotopes in the neutron energy range of 13 to 15 MeV *

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