=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Sigma1

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

PROGRAM SIGMA1 = &nb= sp; = &nb= sp; Sigma1

=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D = &nb= sp; = &nb= sp; Sigma1

VERSION 73= -1 (MARCH 1973) = &nb= sp; = Sigma1

VERSION 76= -1 (FEBRUARY 1976) = &nb= sp; = Sigma1

VERSION 76= -2 (OCTOBER 1976) = &nb= sp; = Sigma1

VERSION 77= -1 (JANUARY 1977) = &nb= sp; = Sigma1

VERSION 78= -1 (JULY 1978) = &nb= sp; = Sigma1

VERSION 79= -1 (JULY 1979) CDC-7= 600 AND CRAY-1 VERSION. = Sigma1

VERSION 80= -1 (MAY 1980) = IBM, CDC AND CRAY VERSION = Sigma1

VERSION 80= -2 (DECEMBER 1980)IMPROVED BASED ON USER COMMENTS. Sigma1

VERSION 81= -1 (MARCH 1981) DOUBLE PRE= CISION IBM VERSION = Sigma1

VERSION 81= -2 (AUGUST 1981) IMPROVED IBM SP= EED AND STABILITY Sigm= a1

VERSION 82= -1 (JANUARY 1982) IMPROVED COMPUTER COMPATIBILITY Sigma1

VERSION 83= -1 (JANUARY 1983)*MAJOR RE-DESIGN. = &nb= sp; Sigma1

= &nb= sp; *PAGE SIZE INCREASED - 1002 TO 2004. Sigma1

= &nb= sp; *ELIMINATED COMPUTER DEPENDENT CODING. Sigma1

= &nb= sp; *NEW, MORE COMPATIBLE I/O UNIT NUMBER. Sigma1

= &nb= sp; *ADDED STANDARD ALLOWABLE ERROR OPTION Sigma1

= &nb= sp; (CURRENTLY 0.1 PER-CENT). = Sigma1

= &nb= sp; *UNRESOLVED RESONANCE REGION COPIED. Sigma1

= &nb= sp; *1/V EXTENSION OF CROSS SECTIONS Sigma1

= &nb= sp; OUTSIDE OF TABULATED ENERGY RANGE AND Sigma1

= &nb= sp; INTO UNRESOLVED EN= ERGY RANGE. = Sigma1

VERSION 83= -2 (OCTOBER 1983)*IMPROVED BASED ON USER COMMENTS. Sigma1

VERSION 84= -1 (APRIL 1984) *IMPROVED NUMERI= CAL STABILITY. = Sigma1

= &nb= sp; *PARTIAL EVALUATION TREATMENT. = Sigma1

VERSION 85= -1 (APRIL 1985) *ITERATE TO CONVERGENCE (USING THE SAME Sigma1 <= /span>

= &nb= sp; ENERGY GRID FOR HOT CROSS SECTION AS Sigma1

= &nb= sp; COLD CROSS SECTIONS WAS FOUND TO BE Sigma1

= = INACCURATE). = &nb= sp; Sigma1

= &nb= sp; *NEW FASTER HIGH ENERGY BROADENING. Sigma1

= &nb= sp; *UPDATED FOR ENDF/B-VI FORMATS. Sigma1

= &nb= sp; *SPECIAL I/O ROUTINES TO GUARANTEE Sigma1

= &nb= sp; ACCURACY OF ENERGY. = Sigma1

= &nb= sp; *DOUBLE PRECISION TREATMENT OF ENERGY Sigma1

= &nb= sp; (REQUIRED FOR NARROW RESONANCES). Sigma1

VERSION 85= -2 (AUGUST 1985) *FORTRAN-77/H VERSION = Sigma1

VERSION 86= -1 (JANUARY 1986)*ENERGY DEPENDENT SCATTERING RADIUS Sigma1

VERSION 88= -1 (JULY 1988) *OPTION...I= NTERNALLY DEFINE ALL I/O Sigma1

= &nb= sp; FILE NAMES (SEE, SUBROUTINE FILEIO Sigma1

= &nb= sp; FOR DETAILS). = &nb= sp; Sigma1

= &nb= sp; *IMPROVED BASED ON USER COMMENTS. Sigma1

VERSION 89= -1 (JANUARY 1989)*PSYCHOANALYZED BY PROGRAM FREUD TO Sigma1

= &nb= sp; INSURE PROGRAM WILL NOT DO ANYTHING Sigma1

= &nb= sp; CRAZY. = &nb= sp; Sigma1

= &nb= sp; *UPDATED TO USE NEW PROGRAM CONVERT Sigma1

= &nb= sp; KEYWORDS. = &nb= sp; Sigma1

= &nb= sp; *ADDED LIVERMORE CIVIC COMPILER Sigma1

= &nb= sp; CONVENTIONS. = &nb= sp; Sigma1

VERSION 90= -1 (JUNE 1990) *UPDATED BA= SED ON USER COMMENTS Sigma1

= &nb= sp; *ADDED FORTRAN SAVE OPTION = Sigma1

= &nb= sp; *NEW MORE CONSISTENT ENERGY OUTPUT Sigma1

= &nb= sp; ROUTINES = &nb= sp; Sigma1

VERSION 91= -1 (JULY 1991) *WARNING...= INPUT PARAMETER FORMAT Sigm= a1

= = HAS BEEN CHANGED - SEE BELOW FOR Sigm= a1

= &nb= sp; DETAILS. = &nb= sp; Sigma1

= &nb= sp; *ADDED CHARGED PARTICLE PROJECTILES Sigma1

= &nb= sp; *OUTPUT ENERGY RANGE IS ALWAYS AT Sigma1

= &nb= sp; LEAST AS LARGE AS INPUT ENERGY RANGE. Sigma1

= &nb= sp; *NO 1/V EXTENSION OF CROSS SECTIONS Sigma1

= &nb= sp; FROM UNRESOLVED ENERGY RANGE. = Sigma1

VERSION 92= -1 (JANUARY 1992)*INSURE MINIMUM AND MAXIMUM CROSS Sigma1

= &nb= sp; SECTIONS ARE ALWAYS KEPT (NOT THINNED) Sigma1

= &nb= sp; *MT=3D19 (FIRST CHANCE FISSION) TREATED Sigma1

= &nb= sp; THE SAME AS FISSION. = Sigma1

= &nb= sp; *VARIABLE MINIMUM CROSS SECTION OF Sigma1

= &nb= sp; INTEREST - TO ALLOW SMALL CROSS Sigma1

= &nb= sp; SECTIONS NEAR THRESHOLDS TO BE Sigma1

= &nb= sp; TREATED PROPERLY. = &nb= sp; Sigma1

= &nb= sp; *ALL ENERGIES INTERNALLY ROUNDED PRIOR Sigma1

= &nb= sp; TO CALCULATIONS. = &nb= sp; Sigma1

= &nb= sp; *COMPLETELY CONSISTENT I/O AND ROUNDING Sigma1

= &nb= sp; ROUTINES - TO MINIMIZE COMPUTER Sigma1

= &nb= sp; DEPENDENCE. = &nb= sp; Sigma1

VERSION 92= -2 (JULY 1992) *CORRECTED = BUG ASSOCIATED WITH = Sigma1

= &nb= sp; THRESHOLD REACTIONS. = Sigma1

= &nb= sp; *UNRESOLVED REGION COPIED WITHOUT Sigma1

= &nb= sp; THINNING (IT SHOULD BE EXACTLY THE Sigma1

= &nb= sp; SAME AT ALL TEMPERATURES). = Sigma1

= = *NO THINNING OF REACTIONS (MT) THAT Sigma1

= &nb= sp; WERE NOT BROADENED. = Sigma1

VERSION 93= -1 (APRIL 1993) *INCREASED PAGE = SIZE FROM 2004 = Sigma1

= &nb= sp; = TO 24000 ENERGY PONTS. = Sigma1

VERSION 94= -1 (JANUARY 1994)*VARIABLE ENDF/B DATA FILENAMES Sigma1

= &nb= sp; TO ALLOW ACCESS TO FILE STRUCTURES Sigma1

= &nb= sp; (WARNING - INPUT PARAMETER FORMAT Sigma1

= &nb= sp; HAS BEEN CHANGED) = &nb= sp; Sigma1

= &nb= sp; *CLOSE ALL FILES BEFORE TERMINATING Sigma1

= &nb= sp; (SEE, SUBROUTINE ENDIT) = Sigma1

VERSION 96= -1 (JANUARY 1996) *COMPLETE RE-WRITE = Sigma1

= &nb= sp; *IMPROVED COMPUTER INDEPENDENCE Sigma1

= &nb= sp; *ALL DOUBLE PRECISION = Sigma1

= &nb= sp; *ON SCREEN OUTPUT = &nb= sp; Sigma1

= &nb= sp; *UNIFORM TREATMENT OF ENDF/B I/O Sigma1

= &nb= sp; *IMPROVED OUTPUT PRECISION = Sigma1

= &nb= sp; *DEFINED SCRATCH FILE NAMES = Sigma1

= &nb= sp; *ALWAYS INCLUDE THERMAL VALUE = Sigma1

VERSION 97= -1 (APRIL 1997) *OPTIONALL= Y SET NEGATIVE CROSS Sigma1

= &nb= sp; = SECTIONS =3D 0 ON INPUT AND = Sigma1

= &nb= sp; = OUTPUT. = &nb= sp; Sigma1

= &nb= sp; *INCREASED PAGE SIZE FROM 24000 Sigma1

= &nb= sp; = TO 60000 ENERGY POINTS. = Sigma1

VERSION 99= -1 (MARCH 1999) *CORRECTED CHARACTER TO FLOATING Sigm= a1

= &nb= sp; = POINT READ FOR MORE DIGITS = Sigma1

= = &nb= sp; *UPDATED TEST FOR ENDF/B FORMAT &n= bsp; Sigma1

= &nb= sp; = VERSION BASED ON RECENT FORMAT CHANGE Sigma1

= &nb= sp; *TREAT LOW ENERGY INITIAL CROSS Sigma1

= &nb= sp; = SECTIONS AS LOG-LOG INTERPOLABLE Sigma1

= &nb= sp; *CONSTANT (RATHER THAN 1/V) EXTENSION Sigma1

= &nb= sp; = TO HIGHER ENERGY. = Sigma1

= &nb= sp; *UPDATED CONSTAN= TS BASED ON CSEWG &nbs= p; Sigma1

= &nb= sp; = SUBCOMMITTEE RECOMMENDATIONS = Sigma1

= &nb= sp; *GENERAL IMPROVEMENTS BASED ON Sigma1

= &nb= sp; = USER FEEDBACK = &nb= sp; Sigma1

VERSION 99= -2 (JUNE 1999) *EXTE= NDED RANGE OF INTEGRALS FROM 4 Sigma1

= &nb= sp; = TO 5 UNITS ON EACH SIDE OF ENERGY Sigma1

= &nb= sp; = POINT TO ALLOW FOR LARGER VARIATION Sigma1

= &nb= sp; = IN THE LOCAL CROSS SECTION = Sigma1

= &nb= sp; *ASSUME ENDF/B-VI, NOT V, IF MISSING Sigma1

= &nb= sp; = MF=3D1, MT-451. = = Sigma1

VERSION 99= -3 (OCTOBER 1999))*IMPROVED ERFC FUNCTION DEFINITION. Sigma1

= &nb= sp; = I THANK BOB MACFARLANE (LANL) FOR Sigma1

= &nb= sp; = SUPPLYING A MORE ACCURATE ERFC Sigma1

= &nb= sp; = FUNCTION. = &nb= sp; Sigma1

VERS. 2000= -1 (FEBRUARY 2000)*CORRECTED LOW ENERGY INTERPOLATION Sigma1

= &nb= sp; = FOR NON-POSITIVE CROSS SECTIONS Sigma1

= &nb= sp; *GENERAL IMPROVEMENTS BASED ON Sigma1

= &nb= sp; = USER FEEDBACK = &nb= sp; Sigma1

VERS. 2002= -1 (MAY 2002) *OPTIONAL INPUT PARAMETERS = Sigma1

VERS. 2004= -1 (JAN. 2004) *OPTI= ONALLY IGNORE UNRESOLVED REGION Sigma1

= &nb= sp; *CORRECTED PROBLEM AT THE RESOLVED/ Sigma1

= &nb= sp; = UNRESOLVED ENERGY BOUNDARY. = Sigma1

= = *CORRECTED HIGH ENERGY CONSTANT CROSS Sigma1

= &nb= sp; = SECTION EXTENSION. = Sigma1

= &nb= sp; *TIGHTER CRITERIA FOR INITIAL ENERGY Sigma1

= &nb= sp; POINT SPACING = &nb= sp; Sigma1

= &nb= sp; *TEMPERATURE DEPENDENT ENERGY POINT Sigma1

= &nb= sp; = SPACING. = &nb= sp; Sigma1

= &nb= sp; *ADDED NEW REICH-MOORE (LRF=3D7) TO Sigma1

= &nb= sp; = FILE2 TO ALLOW COPY TO FIND ANY Sigma1

= &nb= sp; = FOLLOWING UNRESOLVED PARAMETERS Sigma1

VERS. 2005= -1 (JUNE 2005) *CORR= ECTED ERROR IN EHOT3 EQUIVALENCE Sigma1

= &nb= sp; = TO EHOT - THIS ONLY EFFECTS VERY BIG Sigma1

= &nb= sp; = OUTPUT FILES. = &nb= sp; Sigma1

VERS. 2007= -1 (JAN. 2007) *CHEC= KED AGAINST ALL ENDF/B-VII. Sigma1

= &nb= sp; *INCREASED PAGE SIZE FROM 60,000 Sigma1

= &nb= sp; = TO 360,000 ENERGY POINTS. = Sigma1

= &nb= sp; = &nb= sp; = Sigma1

Acknowledg= ement 2004 = &nb= sp; = &nb= sp; Sigma1

-------------------- = &nb= sp; = &nb= sp; Sigma1

Currently = almost all improvements to this code are based upon Sigma1

feedback f= rom code users who report problems. This feedback Sigma1

benefits A= LL users of this code, and ALL users are encouraged Sigma1

to report problems. = &nb= sp; = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = Sigma1

Improvemen= ts on the 2004 version of this code based on user Sigma1

feedback including, = &nb= sp; = &nb= sp; Sigma1

1) Bret Be= ck - reported a problem at the resolved/unresolved Sigma1

= &nb= sp; energy boundary. = &nb= sp; = Sigma1

2) S. Gane= san - reported a problem for small temperature changes. Sigma1

= &nb= sp; = &nb= sp; = Sigma1

OWNED, MAINTAINED AND DISTRIBUTED BY = &nb= sp; Sigma1

------------------------------------ = &nb= sp; Sigma1

THE NUCLEA= R DATA SECTION = &nb= sp; = Sigma1

INTERNATIO= NAL ATOMIC ENERGY AGENCY = &nb= sp; Sigma1

P.O. BOX 100 = &nb= sp; = &nb= sp; Sigma1

A-1400, VI= ENNA, AUSTRIA = = &nb= sp; Sigma1

EUROPE = &nb= sp; = &nb= sp; = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

ORIGINALLY WRITTEN BY = &nb= sp; = Sigma1

------------------------------------ = &nb= sp; Sigma1

DERMOTT E. CULLEN = &nb= sp; = &nb= sp; Sigma1

UNIVERSITY= OF CALIFORNIA = &nb= sp; = Sigma1

LAWRENCE LIVERMORE NATIONAL LABORATORY = &nb= sp; Sigma1

L-159 = &nb= sp; = &nb= sp; = Sigma1

P.O. BOX 808 = &nb= sp; = &nb= sp; Sigma1

LIVERMORE,= CA 94550 = &nb= sp; = &nb= sp; Sigma1

U.S.A. = &nb= sp; = &nb= sp; = Sigma1

TELEPHONE<= span style=3D'mso-spacerun:yes'> 925-423-7359 = &nb= sp; = Sigma1

E. MAIL CULLEN1@LLNL.GOV = &nb= sp; = Sigma1

WEBSITE HTTP://WWW.LLNL.GOV/CULLEN1 = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

AUTHORS ME= SSAGE = &nb= sp; = &nb= sp; Sigma1

--------------- = &nb= sp; = &nb= sp; Sigma1

THE REPORT DESCRIBED ABOVE IS THE LATEST PUBLISHED DOCUMENTATION Sigma1

FOR THIS PROGRAM. HOWEVER, THE COMMENTS BELOW SHOULD BE CONSIDERED Sigma1

THE LATEST DOCUMENTATION INCLUDING ALL RECENT IMPROVEMENTS. PLEASE Sigma1

READ ALL OF THESE COMMENTS BEFORE IMPLEMENTATION, PARTICULARLY Sigma1

THE COMMEN= TS CONCERNING MACHINE DEPENDENT CODING. = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

AT THE PRE= SENT TIME WE ARE ATTEMPTING TO DEVELOP A SET OF COMPUTER Sigma1

INDEPENDENT PROGRAMS THAT CAN EASILY BE IMPLEMENTED ON ANY ONE Sigma1

OF A WIDE VARIETY OF COMPUTERS. IN ORDER TO ASSIST IN THIS PROJECT Sigma1

IT WOULD BE APPECIATED IF YOU WOULD NOTIFY THE AUTHOR OF ANY Sigma1

COMPILER DIAGNOSTICS, OPERATING PROBLEMS OR SUGGESTIONS ON HOW TO Sigma1

IMPROVE TH= IS PROGRAM. HOPEFULLY, IN THIS WAY FUTURE VERSIONS OF Sigma1

THIS PROGR= AM WILL BE COMPLETELY COMPATIBLE FOR USE ON YOUR Sigma1

COMPUTER.<= span style=3D'mso-spacerun:yes'> = &nb= sp; = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

PURPOSE = &nb= sp; = &nb= sp; = Sigma1

------- = &nb= sp; = &nb= sp; = Sigma1

THIS PROGR= AM IS DESIGNED TO DOPPLER BROADEN NEUTRON INDUCED Sigma1

CROSS SECT= IONS. EACH SECTION OF CROSS SECTIONS (FILE 3) IS READ Sigma1

FROM THE E= NDF/B FORMAT. THE DATA IS DOPPLER BROADENED, THINNED Sigma1

AND OUTPUT IN THE ENDF/B FORMAT. = &nb= sp; = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

IN THE FOL= LOWING DISCUSSION FOR SIMPLICITY THE ENDF/B TERMINOLOGY Sigma1

---ENDF/B TAPE---WILL BE USED. IN FACT THE ACTUAL MEDIUM MAY BE Sigma1

TAPE, CARD= S, DISK OR ANY OTHER MEDIUM. = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

ENDF/B FORMAT = &nb= sp; = &nb= sp; Sigma1

------------- = &nb= sp; = &nb= sp; Sigma1

THIS PROGR= AM ONLY USES THE ENDF/B BCD OR CARD IMAGE FORMAT (AS Sigma1

OPPOSED TO= THE BINARY FORMAT) AND CAN HANDLE DATA IN ANY VERSION Sigma1

OF THE END= F/B FORMAT (I.E., ENDF/B-I, II, III, IV OR V FORMAT). Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

IT IS ASSU= MED THAT THE DATA IS CORRECTLY CODED IN THE ENDF/B Sigma1

<= /p>

FORMAT AND= NO ERROR CHECKING IS PERFORMED. IN PARTICULAR IT IS Sigma1

ASSUMED TH= AT THE MAT, MF AND MT ON EACH CARD IS CORRECT. SEQUENCE Sigma1

NUMBERS (C= OLUMNS 76-80) ARE IGNORED ON INPUT, BUT WILL BE = Sigma1

CORRECTLY = OUTPUT ON ALL CARDS. THE FORMAT OF SECTION MF=3D1, MT=3D451 Sigma1

AND ALL SE= CTIONS OF MF=3D3 MUST BE CORRECT. THE PROGRAM COPIES ALL Sigma1

OTHER SECT= ION OF DATA AS HOLLERITH AND AS SUCH IS INSENSITIVE TO Sigma1

THE CORREC= TNESS OR INCORRECTNESS OF ALL OTHER SECTIONS. = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

ALL CROSS SECTIONS THAT ARE USED BY THIS PROGRAM MUST BE TABULATED Sigma1

AND LINEAR= LY INTERPOLABLE IN ENERGY AND CROSS SECTION (ENDF/B Sigma1

INTERPOLAT= ION LAW 2). FILE 3 CROSS SECTIONS MAY BE MADE LINEARLY Sigma1

INTERPOLAB= LE BY USING PROGRAM LINEAR (UCRL-50400, VOL.17, PART A). Sigma1

FILE 2 RESONANCE PARAMETERS MAY BE USED TO RECONSTRUCT ENERGY Sigma1

DEPENDENT = CROSS SECTIONS AND ADD IN FILE 3 BACKGROUND CROSS Sigma1

SECTIONS TO DEFINE LINEARLY INTERPOLABLE CROSS SECTIONS BY USING Sigma1

PROGRAM RE= CENT (UCRL-50400, VOL. 17, PART C). IF THIS PROGRAM Sigma1

FINDS THAT= THE FILE 3 CROSS SECTIONS ARE NOT LINEARLY INTERPOLABLE Sigma1

THIS PROGR= AM WILL TERMINATE EXECUTION. = &nb= sp; Sigma1

= = &nb= sp; = &nb= sp; Sigma1

UNRESOLVED RESONANCE REGION = &nb= sp; = Sigma1

--------------------------- = &nb= sp; = Sigma1

IN THE UNRESOLVED RESONANCE REGION IT IS NOT POSSIBLE TO EXACTLY Sigma1

DEFINE THE ENERGY DEPENDENCE OF THE CROSS SECTIONS. THE AVERAGE Sigma1

WIDTHS AND SPACINGS GIVEN IN ENDF/B ARE ONLY ADEQUATE TO DEFINE Sigma1

AVERAGE VA= LUES OF THE CROSS SECTIONS. THEREFORE ALL CROSS SECTIONS Sigma1

IN THE END= F/B FORMAT FOR THE UNRESOLVED REGION ARE REALLY AVERAGE Sigma1

VALUES WHI= CH CANNOT BE DOPPLER BROADENED USING THE SIGMA1 METHOD Sigma1

(WHICH REQ= UIRES TABULATED, LINEARLY INTERPOLABLE, ENERGY DEPENDENT Sigma1

CROSS SECTIONS. = &nb= sp; = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

THEREFORE,= = &nb= sp; = = Sigma1

(1) ALL TABULATED POINTS WITHIN THE UNRESOLVED RESONANCE REGION Sigma1

WILL BE CO= PIED, WITHOUT MODIFICATION OR BROADENING. ADOPTION OF Sigma1

THIS CONVE= NTION WILL ALLOW SUBSEQUENT PROGRAMS TO PROPERLY DEFINE Sigma1

SELF-SHIEL= DED, DOPPLER BROADENED CROSS SECTIONS IN THE UNRESOLVED Sigma1

RESONANCE REGION. = &nb= sp; = &nb= sp; Sigma1

(2) CROSS SECTIONS WILL BE EXTENDED AS 1/V ABOVE THE UPPER ENERGY Sigma1

LIMIT OF T= HE RESOLVED RESONANCE REGION AND BELOW THE LOWER ENERGY Sigma1

LIMIT OF T= HE CONTINUUUM REGION (I.E. INTO THE UNRESOLVED = Sigma1

RESONANCE REGION). THIS CONVENTION WILL GUARANTEE A SMOOTH Sigma1

BEHAVIOR C= LOSE TO THE UNRESOLVED RESONANCE REGION BOUNDARIES. Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

OUTPUT FORMAT = &nb= sp; = &nb= sp; Sigma1

----------= --- = &nb= sp; = &nb= sp; Sigma1

IN THIS VE= RSION OF SIGMA1 ALL FILE 3 ENERGIES WILL BE OUTPUT IN Sigma1

F (INSTEAD= OF E) FORMAT IN ORDER TO ALLOW ENERGIES TO BE WRITTEN Sigma1

WITH UP TO= 9 DIGITS OF ACCURACY. IN PREVIOUS VERSIONS THIS WAS AN Sigma1

OUTPUT OPT= ION. HOWEVER USE OF THIS OPTION TO COMPARE THE RESULTS Sigma1

OF ENERGIES WRITTEN IN THE NORMAL ENDF/B CONVENTION OF 6 DIGITS Sigma1

TO THE 9 D= IGIT OUTPUT FROM THIS PROGRAM DEMONSTRATED THAT FAILURE Sigma1

TO USE THE= 9 DIGIT OUTPUT CAN LEAD TO LARGE ERRORS IN THE DATA Sigma1

JUST DUE TO TRANSLATION OF THE ENERGIES TO THE ENDF/B FORMAT. Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

CONTENTS OF OUTPUT = &nb= sp; = &nb= sp; Sigma1

------------------ = &nb= sp; = &nb= sp; Sigma1

ENTIRE EVALUATIONS ARE OUTPUT, NOT JUST THE BROADENED FILE 3 Sigma1

CROSS SECT= IONS, E.G. ANGULAR AND ENERGY DISTRIBUTIONS ARE ALSO Sigma1

INCLUDED.<= span style=3D'mso-spacerun:yes'> = &nb= sp; = &nb= sp; Sigma1

= &nbs= p; &= nbsp; &nbs= p; &= nbsp; Sigma1

DOCUMENTATION = &nb= sp; = &nb= sp; Sigma1

------------- = &nb= sp; = &nb= sp; Sigma1

THE FACT T= HAT THIS PROGRAM HAS OPERATED ON THE DATA IS DOCUMENTED Sigma1

BY THE ADD= ITION OF THREE COMMENTS CARDS AT THE END OF EACH Sigma1

HOLLERITH SECTION IN THE FORM = &nb= sp; = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

**********= ******* PROGRAM SIGMA1 (2007-1) *************** = Sigma1

DATA DOPPL= ER BROADENED TO 300.0 KELV= IN AND = &nb= sp; Sigma1

DATA THINN= ED TO WITHIN AN ACCURACY OF 0.1 PER-CENT = Sigma1

= = &nb= sp; = &nb= sp; Sigma= 1

THE ORDER = OF ALL SIMILAR COMMENTS (FROM LINEAR,RECENT AND GROUPY) Sigma1

REPRESENTS= A COMPLETE HISTORY OF ALL OPERATIONS PERFORMED ON Sigma1

THE DATA.<= span style=3D'mso-spacerun:yes'> = = &nb= sp; = &nb= sp;Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

THESE COMM= ENT CARDS ARE ONLY ADDED TO EXISTING HOLLERITH SECTIONS, Sigma1

I.E., THIS PROGRAM WILL NOT CREATE A HOLLERITH SECTION. THE FORMAT Sigma1

OF THE HOL= LERITH SECTION IN ENDF/B-V DIFFERS FROM THE THAT OF Sigma1

EARLIER VE= RSIONS OF ENDF/B. BY READING AN EXISTING MF=3D1, MT=3D451 Sigma1

IT IS POSS= IBLE FOR THIS PROGRAM TO DETERMINE WHICH VERSION OF Sigma1

THE ENDF/B FORMAT THE DATA IS IN. WITHOUT HAVING A SECTION OF Sigma1

MF=3D1, MT= =3D451 PRESENT IT IS IMPOSSIBLE FOR THIS PROGRAM TO = Sigma1

DETERMINE = WHICH VERSION OF THE ENDF/B FORMAT THE DATA IS IN, AND Sigma1

AS SUCH IT= IS IMPOSSIBLE FOR THE PROGRAM TO DETERMINE WHAT FORMAT Sigma1

SHOULD BE = USED TO CREATE A HOLLERITH SECTION. = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = Sigma= 1

REACTION INDEX = &nb= sp; = &nb= sp; Sigma1

-------------- = &nb= sp; = &nb= sp; Sigma1

THIS PROGR= AM DOES NOT USE THE REACTION INDEX WHICH IS GIVEN IN Sigma1

SECTION MF= =3D1, MT=3D451 OF EACH EVALUATION. = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

THIS PROGR= AM DOES NOT UPDATE THE REACTION INDEX IN MF=3D1, MT=3D451. Sigma1

THIS CONVENTION HAS BEEN ADOPTED BE= CAUSE MOST USERS DO NOT Sigma1

REQUIRE A CORRECT REACTION INDEX FOR THEIR APPLICATIONS AND IT WAS Sigma1

NOT CONSID= ERED WORTHWHILE TO INCLUDE THE OVERHEAD OF CONSTRUCTING Sigma1

A CORRECT REACTION INDEX IN THIS PROGRAM. HOWEVER, IF YOU REQUIRE Sigma1

A REACTION= INDEX FOR YOUR APPLICATIONS, AFTER RUNNING THIS PROGRAM Sigma1

YOU MAY USE PROGRAM DICTIN TO CREATE A CORRECT REACTION INDEX. Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

SECTION SIZE = &nb= sp; = &nb= sp; Sigma1

------------ = &nb= sp; = &nb= sp; Sigma1

SINCE THIS PROGRAM USES A LOGICAL PAGING SYSTEM THERE IS NO LIMIT Sigma1

TO THE NUM= BER OF POINTS IN ANY SECTION, E.G., THE TOTAL CROSS Sigma1

SECTION MA= Y BE REPRESENTED BY 200,000 DATA POINTS. = Sigma1

= &nb= sp; = = &nb= sp; Sigma1

SELECTION = OF DATA = &nb= sp; = &nb= sp; Sigma1

----------------- = &nb= sp; = &nb= sp; Sigma1

THE PROGRAM SELECTS MATERIALS TO BE BROADENED BASED EITHER ON Sigma1

MAT (ENDF/= B MAT NO.) OR ZA. THE PROGRAM ALLOWS UP TO 100 MAT OR Sigma1

ZA RANGES = TO BE SPECIFIED. THE PROGRAM WILL ASSUME THAT THE Sigma1

ENDF/B TAP= E IS IN EITHER MAT OR ZA ORDER, WHICHEVER CRITERIA IS Sigma1

USED TO SE= LECT MATERIALS, AND WILL TERMINATE WHEN A MAT OR ZA Sigma1

IS FOUND T= HAT IS ABOVE THE RANGE OF ALL REQUESTS. = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

ENERGY GRI= D OF BROADENED DATA = &nb= sp; = Sigma1

----------------------------- = &nb= sp; = Sigma1

THE ENERGY= GRID FOR THE DOPPLER BROADENED CROSS SECTIONS IS Sigma1

SELECTED TO INSURE THAT= THE BROADENED DATA IS LINEAR-LINEAR Sigma1

INTERPOLAB= LE. AS SUCH THE ENERGY GRID FOR THE BROADENED DATA Sigma1

MAY NOT BE= THE SAME AS THE ENERGY GRID FOR THE ORIGINAL = Sigma1

UNBROADENED DATA. GENERALLY AFTER BROADENING THERE WILL BE Sigma1

FEWER DATA POINTS IN THE RESONANCE REGION, BUT AT LOW ENERGY Sigma1

THERE MAY = BE MORE POINTS, DUE TO THE 1/V LOW ENERGY EFFECT Sigma1

CREATED BY DOPPLER BROADENING. = &nb= sp; = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

EFFECTIVE TEMERATURE INCREASE = &nb= sp; = Sigma1

----------------------------- = &nb= sp; = Sigma1

IF THE ORI= GINAL DATA IS NOT AT ZERO KELVIN THE PROGRAM WILL Sigma1

BROADEN TH= E DATA BY THE EFFECTIVE TEMPERATURE DIFFENCE TO THE Sigma1

FINAL TEMPERATURE. IF THE DATA IS ALREADY AT A TEMPERATURE THAT Sigma1

IS HIGHER = THAN THE FINAL TEMPERATURE DOPPLER BROADENING IS Sigma1

NATURALLY = NOT PERFORMED AND THE TEMPERATURE IN THE SECTION IS LEFT Sigma1

AT ITS ORI= GINAL VALUE. = &nb= sp; = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

MULTIPLE F= INAL TEMPERATURES = &nb= sp; = Sigma1

--------------------------- = &nb= sp; = Sigma1

THE PRESENT VERSION ONLY DOPPLER BROADENS TO ONE FINAL TEMPERATURE Sigma1

(IF THERE = IS SUFFICIENT INTEREST EXPRESSED BY USERS FUTURE Sigma1

VERSION MAY BROADEN TO MULTIPLE TEMPERATURES. PLEASE = Sigma1

CONTACT THE AUTHOR IF YOU ARE INTERESTED IN A MULTIPLE = Sigma1

TEMPERATURE OPTION). = &nb= sp; = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

PROGRAM OPERATIO= N = &nb= sp; = &nb= sp; Sigma1

----------------- = &nb= sp; = &nb= sp; Sigma1

EACH SECTI= ON OF FILE 3 DATA IS CONSIDERED SEPERATELY. THE DATA Sigma1

IS READ AND DOPPLER BROADENED A PAGE AT A TIME (ONE PAGE IS Sigma1

60000 DATA POINTS). UP TO THREE PAGES OF DATA MAY BE IN THE CORE Sigma1

AT ANY GIV= EN TIME, THE PAGE BEING BROADENED, THE PAGE BELOW IT Sigma1

IN ENERGY = AND THE PAGE ABOVE IT IN ENERGY. AFTER A PAGE HAS BEEN Sigma1

BROADENED = IT IS THINNED, IF THE ENTIRE SECTION CONTAINS ONLY Sigma1

ONE PAGE OR LESS, IT WILL STILL BE CORE RESIDENT AND WILL BE Sigma1

WRITTEN DI= RECTLY FROM CORE TO THE OUTPUT TAPE. IF THE BROADENED, Sigma1

THINNED SE= CTION IS LARGER THAN A PAGE, AFTER A PAGE HAS BEEN Sigma1

BROADENED = AND THINNED IT IS WRITTEN TO A SCRATCH FILE. AFTER THE Sigma1

ENTIRE SEC= TION HAS BEEN BROADENED AND THINNED THE DATA IS READ Sigma1

FROM SCRAT= CH TO CORE, ONE PAGE AT A TIME, THE OUTPUT TO THE OUTPUT Sigma1

TAPE. = &nb= sp; = &nb= sp; = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

ALLOWABLE ERROR = &nb= sp; = &nb= sp; Sigma1

--------------- = &nb= sp; = &nb= sp; Sigma1

AFTER DOPP= LER BROADENING THE CROSS SECTION IN THE RESONANCE REGION Sigma1

WILL GENER= ALLY BE MUCH SMOOTHER THAN THE UNBROADENED DATA AND CAN Sigma1

BE REPRESE= NTED TO THE SAME ACCURACY BY A SMALLER NUMBER OF ENERGY Sigma1

POINTS. THEREFORE AFTER DOPPLER BROADENING THE DATA CAN BE THINNED Sigma1

WITH ESSEN= TIALLY NO LOSE OF INFORMATION. = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

THE ALLOWA= BLE ERROR MAY BE ENERGY INDEPENDENT (CONSTANT) OR ENERGY Sigma1

DEPENDENT.= THE ALLOWABLE ERROR IS DESCRIBED BY A TABULATED Sigma1

FUNCTION O= F UP TO 20 (ENERGY,ERROR) PAIRS AND LINEAR INTERPOLATION Sigma1

BETWEEN TABULATED POINTS. IF ONLY ONE TABULATED POINT IS GIVEN THE Sigma1

ERROR WILL= BE CONSIDERED CONSTANT OVER THE ENTIRE ENERGY RANGE. Sigma1

WITH THIS = ENERGY DEPENDENT ERROR ONE MAY OPTIMIZE THE OUTPUT FOR Sigma1

ANY GIVEN APPLICATION BY USING A SMALL ERROR IN THE ENERGY RANGE Sigma1

OF INTERES= T AND A LESS STRINGENT ERROR IN OTHER ENERGY RANGES. Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

INPUT FILE= S = &nb= sp; = &nb= sp; Sigma1

----------= - = = &nb= sp; = Si= gma1

UNIT DESCRIPTION = &nb= sp; = &nb= sp; Sigma1

---- ----------- = &nb= sp; = &nb= sp; Sigma1

2 INPUT CARDS (BCD - 80 CHARACTERS/RECORD) = Sigma1

10 ORIGINAL ENDF/B DAT= A (BCD - 80 CHARACTERS/RECORD) = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

OUTPUT FILES = &nb= sp; = &nb= sp; Sigma1

------------ = &nb= sp; = &nb= sp; Sigma1

UNIT DESCRIPTION = &nb= sp; = &nb= sp; Sigma1

---- ----------- = &nb= sp; = = Sigma1

3 OUTPUT REPORT (BCD -= 120 CHARACTERS/RECORD) = Sigma1

11 FINAL ENDF/B DATA (= BCD - 80 CHARACTERS/RECORD) = Sigma1

= &nb= sp; = &nb= sp; = Sigma1

SCRATCH FILES = &nb= sp; = &nb= sp; Sigma1

------------- = &nb= sp; = &nb= sp; Sigma1

UNIT DESCRIPTION = &nb= sp; = &nb= sp; Sigma1

---- ----------- = &nb= sp; = &nb= sp; Sigma1

12 SCRATCH FILE FOR BROADENED DATA = &nb= sp; Sigma1

= (BINARY - 180000 WORDS/RECORD - DOUBLE PRECISION/ = Sigma1

= 42000 WORDS/RECORD - SINLGE PRECISION) = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

OPTIONAL STANDARD FILE NAMES (SEE SUBROUTINE FILEIO) = Sigma1

----------= ------------------------------------------ = Sigma1

UNIT FILE NAME = &nb= sp; = &nb= sp; Sigma1

---- ---------- = &nb= sp; = &nb= sp; Sigma1

2 SIGMA1.INP = &nb= sp; = &nb= sp;Sigma1

3 SIGMA1.LST = &nb= sp; = &nb= sp; Sigma1

10 ENDFB.IN = &nb= sp; = &nb= sp; Sigma1

11 ENDFB.OUT = = &nb= sp; = Sigma1

12 (SCRATCH) = &nb= sp; = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

INPUT CARD= S = &nb= sp; = &nb= sp; Sigma1

----------= - = &nb= sp; = &nb= sp; Sigma1

CARD COLS. DESCRIPTION = &nb= sp; = Sigma1

---- ----- ----------- = &nb= sp; = Sigma1

1 1-11 SELECTION CRITERIA (0=3DMAT, 1=3DZ= A) = &nb= sp; Sigma1

= 12-22 MONITOR MODE SELECTOR = &nb= sp; Sigma1

= =3D 0 - NORMAL OPERATION = &nb= sp; Sigma= 1

= =3D 1 - MONITOR PROGRESS OF DOPPLER BROADENING OF DATA. Sigma1

= &nb= sp; EACH TIME A PAGE OF DATA POINTS IS WRITTEN TO Sigma1

= &nb= sp; THE SCRATCH FILE PRINT OUT THE TOTAL NUMBER OF Sigma1

= &nb= sp; POINTS ON SCRATCH AND THE LOWER AND UPPER Sigma1

= &nb= sp; ENERGY LIMITS OF THE PAGE (THIS OPTION MAY BE Sigma1

= &nb= sp; USED IN ORDER TO MONITOR THE EXECUTION SPEED Sigma1

= OF LONG RUNNING JOBS). = &nb= sp; Sigma1

= 23-33 KELVIN TEMPERATURE = &nb= sp; = Sigma1

= 34-44 MINIMUM CROSS SE= CTION OF INTEREST &= nbsp; &nbs= p; Sigma1

= (DEF= AULT VALUE =3D 1.0E-10 BARNS). = &nb= sp; Sigma1

= 45-55 NEGATIVE CROSS S= ECTION TREATMENT &nb= sp; = Sigma1

= =3D 0 - O.K. - NO CHANGE = &nb= sp; Sigma1

= =3D 1 - SET =3D 0 = &nb= sp; = Sigma1

= 56-66 UNRESOLVED RESON= ANCE REGION TREATMENT &n= bsp; Sigma1

= =3D 0 - COPY (NO BROADENING) = &nb= sp; Sigma1

= =3D 1 - IGNORE (BROADEN) = &nb= sp; Sigma1

2 1-60 ENDF/B INPUT DATA FILENAME = &nb= sp; Sigma1

= (STANDARD OPTION =3D ENDFB.IN) = &nb= sp; Sigma1

3 1-60 ENDF/B OUTPUT DATA FILENAME = &nb= sp; Sigma1

= (STANDARD OPTION =3D ENDFB.OUT) = &nb= sp; Sigma1

4-N<= span style=3D'mso-spacerun:yes'> 1-11 LOWER MAT OR ZA LIMIT = &nb= sp; Sigma1

= 12-22 UPPER MAT OR ZA LIMIT &= nbsp; = Sigma1

= UP TO 100 MAT OR ZA RANGES MAY BE SPECIFIED, ONE Sigma1

= RANGE PER CARD. THE LIST OF RANGES IS TERMINATED BY Sigma1

= A BLANK CARD. IF THE UPPER LIMIT IS LESS THAN THE Sigma1

= LOWER LIMIT THE UPPER LIMIT WILL BE SET EQUAL TO THE Sigma1

= LOWER LIMIT. IF THE FIRST REQUEST CARD IS BLANK IT Sigma1

= WILL TERMINATE THE LIST OF REQUESTS AND CAUSE ALL Sigma1

= DATA TO BE RETRIEVED (SEE EXAMPLE INPUT). = Sigma1

VARY= 1-11 ENERGY FOR ERROR LAW = &nb= sp; Sigma1

= 12-22 ERROR FOR ERROR LAW = &nb= sp; = Sigma1

= THE ACCEPTABLE LINEARIZING ERROR CAN BE GIVEN AS AN Sigma1

= ENERGY DEPENDENT FUNCTION SPECIFIED BY UP TO 20 Sigma1

= (ENERGY,ERROR) PAIRS AND LINEAR INTERPOLATION Sigma1

= TABUL= ATE POINTS. ENERGIES MUST BE IN ASCENDING ORDER. Sigma1

= THE ERROR LAW IS TERMINATED BY A BLANK CARD. IF THE Sigma1

= FIRST ERROR LAW CARD IS BLANK IT WILL TERMINATE THE Sigma1

= ERROR LAW AND THE ERROR WILL BE TREATED AS ENERGY Sigma1

= INDEPENDENT, EQUAL TO ZERO, WHICH INDICATES THAT THE Sigma1

= BROADENED DATA SHOULD NOT BE THINNED. = Sigma1

= &nb= sp; = &nb= sp; = Sigma1

EXAMPLE IN= PUT NO. 1 = &nb= sp; = &nb= sp; Sigma1

------------------- = &nb= sp; = &nb= sp; Sigma1

BROADEN ALL URANIUM ISOTOPES AND THORIUM-232 TO 300 KELVIN. FROM Sigma1

<= /p>

0 TO 100 E= V THIN OUTPUT DATA TO 0.1 PER-CENT ACCURACY. FROM 100 EV Sigma1

TO 1 KEV V= ARY THE ERROR BETWEEN 0.1 AND 1 PER-CENT. ABOVE 1 KEV Sigma1

USE 1 PER-= CENT ACCURACY. = &nb= sp; = &nb= sp;Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

EXPLICITLY SPECIFY THE STANDARD FILENAMES. = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = = Sigma1

THE FOLLOW= ING 11 CARDS ARE REQUIRED = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

= 1 = 0 3.00000+ 2 = ; &n= bsp; = ; Sigma1

ENDFB.IN = &nb= sp; = &nb= sp; = Sigma1

ENDFB.OUT = &nb= sp; = &nb= sp; = Sigma1

9200= 0 92999 = &nb= sp; = &nb= sp; Sigma1

9023= 2 = (UPPER LIMIT WILL AUTOMATICALLY BE DEFINED) Sigma1

= &nb= sp; (BLANK CARD INDICATES END OF REQUEST LIST) Sigma1

0.00000+ 0 1.00000-03 = &nb= sp; = &nb= sp; Sigma1

1.00000+ 2 1.00000-03 = &nb= sp; = &nb= sp; Sigma1

1.00000+ 3 1.00000-02 = &nb= sp; = &nb= sp; Sigma1

1.00000+ 9 1.00000-02 = &nb= sp; = &nb= sp; Sigma1

= (BLANK CARD INDICATES END OF ERROR LAW) Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

EXAMPLE IN= PUT NO. 2 = &nb= sp; = &nb= sp; Sigma1

------------------- = &nb= sp; = Sigma1

BROADEN AL= L DATA TO 300 KELVIN AND DO NOT THIN THE BROADEN DATA. Sigma1

ALL OF THE STANDARD OPTION MAY BE INVOKED MERELY BY SPECIFYING Sigma1

THE KELVIN TEMPERATURE ON THE FIRST CARD. ALL OTHER FIELDS MAY Sigma1

BE LEFT BLANK. = &nb= sp; = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

LEAVE THE DEFINITION OF THE FILENAMES BLANK - THE PROGRAM WILL Sigma1

THEN USE STANDARD FILENAMES. = &nb= sp; = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

THE FOLLOW= ING 5 CARDS ARE REQUIRED = = Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

= &nb= sp; 3.00000+ 2 = &nb= sp; = Sigma1

= &nb= sp; (USE STANDARD FILENAME =3D ENDFB.IN) = Sigma1

= &nb= sp; (USE STANDARD FILENAME =3D ENDFB.OUT) &= nbsp; Sigma1

= &nb= sp; (RETRIEVE ALL DATA, TERMINATE REQUEST LIST) Sigma1

= &nb= sp; (0.0 ALLOWABLE ERROR, TERMINATE ERROR LAW) Sigm= a1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

EXAMPLE IN= PUT NO. 3 = &nb= sp; = &nb= sp; Sigma1

------------------- = &nb= sp; = &nb= sp; Sigma1

THE SAME AS ABOVE, ONLY DEFINE THE MINIMUM CROSS SECTION OF Sigma1

INTEREST T= O BE 1.0E-30 BARNS (INSTEAD OF THE DEFAULT VALUE OF Sigma1

1.0E-10).<= span style=3D'mso-spacerun:yes'> = &nb= sp; = &nb= sp; Sigma1

= = &nb= sp; = &nb= sp; Sigma1

READ ENDF/= B DATA FROM \ENDFB6\RECENT\ZA092238 AND WRITE ENDF/B Sigma1

DATA TO \ENDFB\SIGMA1\ZA092238 = &nb= sp; = Sigma1

= &nb= sp; = &nb= sp; = Sigma1

THE FOLLOW= ING 5 CARDS ARE REQUIRED = &nb= sp; Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1

= &nb= sp; 3.00000+ 2 1.00000-30 = &nb= sp; Sigma1

\ENDFB6\RECENT\ZA092238 = &nb= sp; = &nb= sp; Sigma1

\ENDFB6\SIGMA1\ZA092238 = &nb= sp; = &nb= sp; Sigma1

= &nb= sp; (RETRIEVE ALL DATA, TERMINATE REQUEST LIST) Sigma1

= &nb= sp; (0.0 ALLOWABLE ERROR, TERMINATE ERROR LAW) Sigma1

= &nb= sp; = &nb= sp; = &nb= sp; Sigma1