diff -u -r1.5 -r1.6
--- DeDx.java	18 Oct 2002 20:33:43 -0000	1.5
+++ DeDx.java	10 Aug 2005 20:34:32 -0000	1.6
@@ -55,7 +55,9 @@

 	  this.put("lif",new Double(4.248048));
 	  this.put("naf",new Double(4.32302));
 	  this.put("nai",new Double(4.78935));

-	  this.put("silica",new Double(0.36));  // aerogel with density 0.2 g/cm**3 

+	  this.put("silica",new Double(0.36));  // aerogel with density 0.2 g/cm**3
+          this.put("carbonfiber",new Double(0.36));
+          this.put("rohacell31",new Double(0.15));  

 	}
 
  	public DeDx(int ne)

diff -u -r1.4 -r1.5
--- RadLengths.java	31 May 2001 15:56:31 -0000	1.4
+++ RadLengths.java	10 Aug 2005 20:34:32 -0000	1.5
@@ -29,7 +29,7 @@

 	  this.put("g10",new Double(19.4));
 	  this.put("pb",new Double(0.56));
 	  this.put("polystyrene",new Double(42.4));

-	  this.put("polystyrenefoam",new Double(683.7));

+	  this.put("polystyrenefoam",new Double(783.9));

 	  this.put("si",new Double(9.36));
 	  this.put("w",new Double(0.35));
 	  this.put("ti",new Double(3.563));

@@ -54,7 +54,9 @@

 	  this.put("lif",new Double(14.91));
 	  this.put("naf",new Double(11.68));
 	  this.put("nai",new Double(2.59));

-	  this.put("silica",new Double(150.));  

+	  this.put("silica",new Double(150.));
+	  this.put("carbonfiber",new Double(24.2));
+	  this.put("rohacell31",new Double(1380.));

 	}
 
  	public RadLengths(int ne)