Document Details
Title:
OPERATION SUN BEAM, SHOTS LITTLE FELLER II AND JOHNIE BOY, PROJECT OFFICER'S REPORT - PROJECT 2.16, RESIDUAL RADIATION IN THE CRATER AND CRATER - LIP AREA OF LOW-YIELD NUCLEAR DEVICES (DELETED)
Author(s):
MORRIS, P J [UNITED STATES ARMY ENGINEER RESEARCH AND DEVELOPMENT LABORATORY]; CAREY, H R [UNITED STATES ARMY ENGINEER RESEARCH AND DEVELOPMENT LABORATORY]; HOFFMANN, F L [UNITED STATES ARMY ENGINEER RESEARCH AND DEVELOPMENT LABORATORY]
Document Location:
Location - DOE/NNSA NUCLEAR TESTING ARCHIVE Address - P.O. Box 98521 City - Las Vegas State - NV Zip - 89193-8521 Phone - (702)794-5106 Fax - (702)862-4240 Email - NTA@NV.DOE.GOV
Document Type:
REPORT
Publication Date:
1963 Oct 24
Declassification Status:
Sanitized
Document Pages:
0067
Accession Number:
NV0051022
Document Number(s):
POR2267EX
Originating Research Org.:
UNITED STATES ARMY ENGINEER RESEARCH AND DEVELOPME
OpenNet Entry Date:
1994 Aug 26
OpenNet Modified Date:
2003 Sep 18
Description/Abstract:
THE PURPOSE OF PROJECT 2.16 "RESIDUAL RADIATION IN THE CRATER AND CRAT ER-LIP AREA OF LOW-YIELD NUCLEAR DEVICES (U)" WAS TO DETERMINE AS MUCH AS POSSIBLE ABOUT THE RESIDUAL RADIATION ENVIRONMENT IN AND NEAR A NU CLEAR CRATER. THE SPECIFIC INFORMATION DESIRED WAS: (1) THE CHANGE IN GAMMA INTENSITY WITH TIME, (2) THE CHANGE IN MEAN GAMMA ENERGY WITH T IME AND, (3) THE CHANGE IN GAMMA ACTIVITY IN SOIL WITH DEPTH AND PARTI CLE SIZE. THE PROJECT PARTICIPATED IN SHOT LITTLE FELLER II TO OBTAIN GAMMA INTENSITY VERSUS TIME, AND GAMMA ACTIVITY VERSUS SOIL-DEPTH INF ORMATION; AND IN SHOT JOHNIE BOY TO OBTAIN GAMMA INTENSITY VERSUS TIME AND MEAN GAMMA ENERGY-VERSUS-TIME INFORMATION. THE EXPERIMENTAL PROC EDURE WAS TO OBTAIN THE INTENSITY-VERSUS-TIME AND MEAN ENERGY VERSUS T IME DATA BY PLACING INSTRUMENT PACKAGES ON A D-7 CATERPILLAR TRACTOR A ND GUIDING THE TRACTOR INTO THE CRATER AREA BY RADIO-CONTROL AS SOON A FTER THE DETONATION AS POSSIBLE. THE SELF-RECORDING GAMMA-INTENSITY G AGES WERE MOUNTED ON A STEEL BOOM AND ATTACHED TO THE BLADE BEAM OF TH E RADIO-CONTROLLED DOZER AT PRESELECTED INTERVALS TO OBTAIN DATA FROM THE CRATER AND CRATER LIP, BASED UPON PREDICTED CRATER DIMENSIONS. A GAMMA SCINTILLATION DETECTOR WAS MOUNTED ON THE DOZER WITH A CABLE REE L. THUS, AT A LATER TIME, A PULSE-HEIGHT ANALYZER COULD BE CONNECTED TO THE FREE CABLE END, AND A GAMMA-ENERGY SPECTRUMS OBTAINED AT VARIOU S TIMES. THE SOIL SAMPLES FOR THE GAMMA INTENSITY-VERSUS-DEPTH DATA W ERE OBTAINED AT T+4 DAYS BY DRIVING SOIL CORE-SAMPLING TUBES INTO THE GROUND AT THE LITTLE FELLER II CRATER AREA. ESSENTIALLY NO DATA WAS O BTAINED ON SHOT JOHNIE BOY AND RESULTS