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Energy loss and straggling of MeV ions through biological samples
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10.1063/1.2800996
/content/aip/journal/jap/102/8/10.1063/1.2800996
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/8/10.1063/1.2800996

Figures

Image of FIG. 1.
FIG. 1.

(a) Surface of an onion membrane observed with scanning electron microscopy. (b) Lithographic image of etched CR-39 by ions through a monolayer onion membrane. The ion fluence used is .

Image of FIG. 2.
FIG. 2.

The experimental setup of MeV ion transmission measurement.

Image of FIG. 3.
FIG. 3.

(Color online) Comparison of experimental average energy loss with the SRIM predictions for the Mylar membranes and biological samples penetrated by and ions: (a) the mylar membranes with one to three layers as for , and one to five layers as for ; (b) the onion membranes with one to six layers as for , and one to seven layers as for ; (c) the egg coat samples with one to three layers; and (d) the tomato coat samples with one to three layers as for , and one to four layers as for .

Image of FIG. 4.
FIG. 4.

(Color online) Comparison of FWHM values of experimental energy straggling with FWHM values of energy straggling based on SRIM simulation for the Mylar membranes and the biological samples penetrated by and ions: (a) the Mylar membranes with one to three layers as for , and one to five layers as for ; (b) the onion samples with one to six layers as for , and one to seven layers as for ; (c) the egg samples with one to three layers; and (d) the tomato coat samples with one to three layers as for , and one to four layers as for .

Image of FIG. 5.
FIG. 5.

(Color online) Experimental relationship of vs the average energy loss .

Tables

Generic image for table
Table I.

Average mass densities and main elemental composition of the single-layer experimental samples.

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Table II.

Estimated value of inhomogeneity of mass density from the results of 1.8 and proton experiments.

Generic image for table
Table III.

Energy straggling of energetic ions in the onion membranes calculated by the energy straggling formula.

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/content/aip/journal/jap/102/8/10.1063/1.2800996
2007-10-29
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Energy loss and straggling of MeV ions through biological samples
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/8/10.1063/1.2800996
10.1063/1.2800996
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