Experiment planning
From GOSIA
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The GOSIA suite of codes are ideally suited to the design and planning of | The GOSIA suite of codes are ideally suited to the design and planning of | ||
| - | heavy-ion induced Coulomb excitation experiments as well as the subsequent | + | low-energy heavy-ion induced Coulomb excitation experiments as well as the subsequent |
analysis. Coulomb excitation experiments can seem deceptively simple, | analysis. Coulomb excitation experiments can seem deceptively simple, | ||
especially for few-state problems, leading some experimenters to fall into | especially for few-state problems, leading some experimenters to fall into | ||
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on heavy-ion induced Coulomb excitation.<ref>K. Alder and A. Winther, ''Electromagnetic Excitation: Theory of Coulomb Excitation with Heavy Ions,'' North Holland, Amsterdam (1975).</ref><ref>D. Cline, Ann. Rev. Nucl. Part. Sci. 36:683 (1986).</ref> | on heavy-ion induced Coulomb excitation.<ref>K. Alder and A. Winther, ''Electromagnetic Excitation: Theory of Coulomb Excitation with Heavy Ions,'' North Holland, Amsterdam (1975).</ref><ref>D. Cline, Ann. Rev. Nucl. Part. Sci. 36:683 (1986).</ref> | ||
| - | ==Safe bombarding energy== | + | ==Experimental parameter considerations== |
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| + | ===Safe bombarding energy=== | ||
The basic assumption of Coulomb excitation is that the interaction between the | The basic assumption of Coulomb excitation is that the interaction between the | ||
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Chapter 2 of the Gosia manual discusses the issue of safe bombarding energy in detail. | Chapter 2 of the Gosia manual discusses the issue of safe bombarding energy in detail. | ||
| - | ==The semiclassical approximation== | + | ===The semiclassical approximation=== |
The long range of the Coulomb interaction, coupled with the small integrationstep size necessitated by the short wavelength, and the large number of | The long range of the Coulomb interaction, coupled with the small integrationstep size necessitated by the short wavelength, and the large number of | ||
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dimensions of the classical hyperbolic trajectory which is | dimensions of the classical hyperbolic trajectory which is | ||
expressed in terms of the [[Sommerfeld_parameter | Sommerfeld parameter]]. | expressed in terms of the [[Sommerfeld_parameter | Sommerfeld parameter]]. | ||
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| + | ==Software Tools== | ||
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| + | While Gosia is the obvious tool for planning low-energy Coulomb excitation experiments, the [[Rachel,_a_GUI_for_Gosia | GUI]] for Gosia can offer much greater speed and automation in the planning process, including predicting the measurable count rate and estimating the expected errors in the planned experiment. | ||
==Notes== | ==Notes== | ||
<references/> | <references/> | ||
