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+<html><head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<meta name="keywords" content="x-ray, absorption, attenuation, transmission, calculator, interaction cross section, NIST">
+<title>X-Ray attenuation &amp; absorption calculator</title>
+</head>
+
+<body> 
+
+<p>&nbsp;</p> 
+
+
+<h2 style="margin-left:20px;">X-Ray attenuation &amp; absorption calculator</h2>
+
+<p>&nbsp;</p>
+
+
+<form action="http://web-docs.gsi.de/~stoe_exp/web_programs/x_ray_absorption/index.php" method="POST">
+
+<div style="float:left;margin-left:20px;width:375px;">
+<p><b>INPUT:</b></p>
+
+<div style="clear:both;margin-top:0px;">
+
+<div style="float:left;width:195px;">
+<p style="line-height:35px;text-align:left;">
+Target Material:<br>
+X-Ray Energy [keV]:<br> 
+Target length [mm]:<br>
+Pressure (only gases) [atm]:
+</p>
+</div>
+
+<div style="float:left;width:175px;margin-top:7px;">
+<p style="line-height:12px;text-align:left;">
+<select name="Element" size="1">
+<option>He</option><option>Be</option><option>C</option><option>Mn</option><option selected="selected">Al</option><option>Si</option><option>Ar</option><option>Ti</option><option>Fe</option><option>Cu</option><option>Ga</option><option>Ge</option><option>Kr</option><option>Mo</option><option>Ag</option><option>Xe</option><option>Ta</option><option>W</option><option>Au</option><option>Pb</option><option>Air</option><option>Water</option><option>CsI</option><option>NaI</option><option>LaBr3</option><option>CdTe</option><option>Gd2O2S</option><option>Polyethylene</option><option>Teflon</option><option>PMMA</option><option>Mylar</option><option>Borosilicate</option><option>CVD</option><option>SiO2</option><option>CaF2</option><option>Paraffin-Wax</option><option>Concrete</option><option>Tissue-Soft</option></select>
+<br>&nbsp;<br>
+<input type="text" value="35" name="Energie" size="10"><br>&nbsp;<br>
+<input type="text" value="1.8" name="length" size="10"><br>&nbsp;<br>
+<input type="text" value="1" name="pressure" size="10"><br>&nbsp;<br>
+<input type="submit" name="submit" value="Calculate!">
+<br>&nbsp;<br>
+</p>
+</div>
+
+</div>
+
+</div>
+
+</form>
+
+
+
+
+
+<div style="float:left;margin-left:20px;width:600px;text-align:left;">
+
+<p><b>RESULTS:</b></p><p style="line-height:35px;">Attenuation [%]: 31.5959<br>Transmission [%]: 68.4041</p><p style="line-height:25px;"><b>Interaction Probability [%]:</b><br>Photoabsorption: 22.0057<br>Compton Scattering: 6.0749<br>Rayleigh Scattering: 3.5153<br>Nuclear Field Pair Production: 0.0000<br>Electron Field Pair Production: 0.0000<br></p><p style="line-height:25px;"><b>Interaction Coefficient [cm<sup>2</sup>/g]:</b><br>Photoabsorption: 0.5347<br>Compton Scattering: 0.1476<br>Rayleigh Scattering: 0.0854<br>Nuclear Field Pair Production: 0.0000<br>Electron Field Pair Production: 0.0000<br>Total Attenuation: 0.7816<br></p>
+</div>
+
+<div style="clear:both;width:100%;">
+<p> <br>Caculations are based on the NIST data for X-ray interaction cross sections and material densities.</p>
+<p style="margin-top:60px;">Code: G. Weber<br>Web Interface: G. Weber<br>Suggestions and comments are welcome!</p>
+
+<!-- <p style="margin-top:60px;">Code: <a href="http://www-linux.gsi.de/~stoe_exp/members/members.php" target="_blank">G. Weber</a><br>Web Interface: <a href="http://www-linux.gsi.de/~stoe_exp/members/members.php" target="_blank">G. Weber</a><br>Suggestions and comments are welcome!</p> -->
+</div>
+
+ 
+
+</body></html>
