5 * Revision 1.1.1.1 1995/10/24 10:20:05 cernlib
9 #include "geant321/pilot.h"
10 *CMZ : 3.21/02 29/03/94 15.41.45 by S.Giani
15 *=== xseneu ===========================================================*
17 FUNCTION XSENEU ( E, ZTAR, ATAR )
19 #include "geant321/dblprc.inc"
20 #include "geant321/dimpar.inc"
21 #include "geant321/iounit.inc"
23 *----------------------------------------------------------------------*
25 * Created on 20 september 1991 by Alfredo Ferrari & Paola Sala *
28 * Last change on 20-sep-91 by Alfredo Ferrari *
31 *----------------------------------------------------------------------*
33 #include "geant321/xsepar.inc"
36 IF ( E .GT. 0.1D+00 ) THEN
38 XSENEU = SITSAO ( EMEV, IZ, ATAR )
39 ELSE IF ( E .GT. 0.012D+00 ) THEN
41 XSENEU = AANXSE (IZ) * ( X - ZZNXSE (IZ) ) / X * ( 1.D+00
42 & + BBNXSE (IZ) * X / ( 1.D+00 + (CCNXSE(IZ)*X)**2 )
43 & + DDNXSE (IZ) * X * X / ( 1.D+00 + (EENXSE(IZ)*X)**4 ))
47 XSENEU = MAX ( XSENEU, ZERZER )
48 *=== End of function Xseneu ===========================================*