| fe4da5cc |
1 | * |
| 2 | * $Id$ |
| 3 | * |
| 4 | * $Log$ |
| 5 | * Revision 1.1.1.1 1995/10/24 10:19:55 cernlib |
| 6 | * Geant |
| 7 | * |
| 8 | * |
| 9 | #include "geant321/pilot.h" |
| 10 | *CMZ : 3.21/02 29/03/94 15.41.42 by S.Giani |
| 11 | *-- Author : |
| 12 | *$ CREATE EEXLVL.FOR |
| 13 | *COPY EEXLVL |
| 14 | * |
| 15 | *=== eexlvl ===========================================================* |
| 16 | * |
| 17 | SUBROUTINE EEXLVL ( JA, JZ, EEX1ST, EEX2ND, EEXCON ) |
| 18 | |
| 19 | #include "geant321/dblprc.inc" |
| 20 | #include "geant321/dimpar.inc" |
| 21 | #include "geant321/iounit.inc" |
| 22 | * |
| 23 | *----------------------------------------------------------------------* |
| 24 | * * |
| 25 | * Created on 06 december 1991 by Alfredo Ferrari & Paola Sala * |
| 26 | * Infn - Milan * |
| 27 | * * |
| 28 | * Last change on 28-apr-92 by Alfredo Ferrari * |
| 29 | * * |
| 30 | * * |
| 31 | *----------------------------------------------------------------------* |
| 32 | * |
| 33 | #include "geant321/eva0.inc" |
| 34 | * |
| 35 | SAVE SQATAR, JAOLD |
| 36 | DATA JAOLD / 0 / |
| 37 | * |
| 38 | IF ( JA .EQ. JZ ) THEN |
| 39 | EEXCON = 0.D+00 |
| 40 | EEX1ST = 0.D+00 |
| 41 | EEX2ND = 0.D+00 |
| 42 | RETURN |
| 43 | END IF |
| 44 | IF ( JZ .EQ. 0 .OR. JA .EQ. JZ ) THEN |
| 45 | EEXCON = 0.D+00 |
| 46 | ELSE |
| 47 | EEXCON = 1.D-03 * ( CAM4 (JZ) + CAM5 (JA-JZ) ) |
| 48 | END IF |
| 49 | * **** Very tentative selection of Eex1st, Eex2nd, based on pairing |
| 50 | * energies according to delta = 12 MeV / A^1/2 **** |
| 51 | IZODD = 1 - MOD ( JZ, 2 ) |
| 52 | INODD = 1 - MOD ( JA-JZ, 2 ) |
| 53 | IODD = IZODD + INODD |
| 54 | * +-------------------------------------------------------------------* |
| 55 | * | Even-even nucleus |
| 56 | IF ( IODD .GE. 2 ) THEN |
| 57 | * | +----------------------------------------------------------------* |
| 58 | * | | |
| 59 | IF ( JA .NE. JAOLD ) THEN |
| 60 | JAOLD = JA |
| 61 | DJA = JA |
| 62 | SQATAR = SQRT ( DJA ) |
| 63 | END IF |
| 64 | * | | |
| 65 | * | +----------------------------------------------------------------* |
| 66 | EEX1ST = 12.0D-03 / SQATAR |
| 67 | EEX2ND = 2.D+00 * EEX1ST |
| 68 | * | |
| 69 | * +-------------------------------------------------------------------* |
| 70 | * | even-odd nucleus |
| 71 | ELSE IF ( IODD .GT. 0 ) THEN |
| 72 | * | +----------------------------------------------------------------* |
| 73 | * | | |
| 74 | IF ( JA .NE. JAOLD ) THEN |
| 75 | JAOLD = JA |
| 76 | DJA = JA |
| 77 | SQATAR = SQRT ( DJA ) |
| 78 | END IF |
| 79 | * | | |
| 80 | * | +----------------------------------------------------------------* |
| 81 | EEX1ST = 12.0D-03 / SQATAR |
| 82 | EEX2ND = EEX1ST |
| 83 | * | |
| 84 | * +-------------------------------------------------------------------* |
| 85 | * | odd-odd nucleus |
| 86 | ELSE |
| 87 | EEX2ND = 0.D+00 |
| 88 | EEX1ST = 0.D+00 |
| 89 | END IF |
| 90 | * | |
| 91 | * +-------------------------------------------------------------------* |
| 92 | RETURN |
| 93 | *=== End of subroutine eexlvl =========================================* |
| 94 | END |
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