Fabrication of $^{108}$Cd target for the astrophysical p-process studies
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arXiv
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| Autores principales: | , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866917598855168000 |
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| author | Saha, Sukhendu Paul, Mousri Sahoo, Lalit Kumar Basak, Dipali Bar, Tanmoy Datta, Jagannath Dasgupta, Sandipan Reddy, G. L. N. Basu, Chinmay |
| author_facet | Saha, Sukhendu Paul, Mousri Sahoo, Lalit Kumar Basak, Dipali Bar, Tanmoy Datta, Jagannath Dasgupta, Sandipan Reddy, G. L. N. Basu, Chinmay |
| contents | The detailed process of preparing enriched $^{108}$Cd targets on mylar and copper backing using the vacuum evaporation technique is described. These targets were employed in an experiment to measure the proton capture cross-section at energies significantly below the Coulomb barrier, for the astrophysical p-process studies. Due to the low melting point and high vapor pressure of cadmium, some adjustments were implemented in the Telemark multipocket e-beam setup. The target thickness was determined through the measurement of alpha particle energy loss from a triple alpha source and also by RBS measurements. The thickness of the $^{108}$Cd films varies between 290 to 660 $μ$g/cm$^2$, with a non-uniformity of approximately 10$\%$. X-ray Photoelectron Spectroscopy (XPS) and X-ray Fluorescence (XRF) analyses were conducted to examine the presence of impurities and to assess surface morphology, phase, and chemical composition. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_16856 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Fabrication of $^{108}$Cd target for the astrophysical p-process studies Saha, Sukhendu Paul, Mousri Sahoo, Lalit Kumar Basak, Dipali Bar, Tanmoy Datta, Jagannath Dasgupta, Sandipan Reddy, G. L. N. Basu, Chinmay Instrumentation and Detectors Nuclear Experiment The detailed process of preparing enriched $^{108}$Cd targets on mylar and copper backing using the vacuum evaporation technique is described. These targets were employed in an experiment to measure the proton capture cross-section at energies significantly below the Coulomb barrier, for the astrophysical p-process studies. Due to the low melting point and high vapor pressure of cadmium, some adjustments were implemented in the Telemark multipocket e-beam setup. The target thickness was determined through the measurement of alpha particle energy loss from a triple alpha source and also by RBS measurements. The thickness of the $^{108}$Cd films varies between 290 to 660 $μ$g/cm$^2$, with a non-uniformity of approximately 10$\%$. X-ray Photoelectron Spectroscopy (XPS) and X-ray Fluorescence (XRF) analyses were conducted to examine the presence of impurities and to assess surface morphology, phase, and chemical composition. |
| title | Fabrication of $^{108}$Cd target for the astrophysical p-process studies |
| topic | Instrumentation and Detectors Nuclear Experiment |
| url | https://arxiv.org/abs/2402.16856 |