CONCERNING THE THEORY OF SCATTERING OF NEUTRONS BY PROTONS

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00039R000100130025-0
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 6
• Document Creation Date: December 22, 2016
• Document Release Date: May 4, 2012
• Sequence Number: 25
• Publication Date: August 10, 1951
• Content Type: REPORT

Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0
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Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0
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 Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0
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TSB ' oHy OF 5CATTFR1NV Ox NV1iW'I1 9Y N
b1rs~ 9redis~~F
in the ProYlnui work ( 1J it quoted b.lco as 1 ?
It nss iho~
Fm 1I b ThcflOr of offeets~n croee teat o of reut'cn
tt&et tie u sun t to
rotone s)1ou1d be oorrectad? ThA con$tsnt` belangtx+g to
eostterlnc b' A
thi' toris is roelitY depend ltoesrly on ?eutron eaor`i A. s reE14;C
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he rorole oonr&t,r:s tnur ao&satsnt w iaet esd oi' tWOd-
rde; to dMMe ir~ 's rs A~ ~.~ these c~~aStmatm Re II44
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o t id oaargY of t~e deut,erur srtd the meisured 'i e r
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m ff eotl v Iro9m
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r.ue- to
rttett~~ed ?e~lu~m oi' ~or,~trrc{ d pou;c! 're Vey
r r,,I two Nar~~ or zemesrnt, ct deet,tertug onevtrefe by
r;)tnt11 in s wtde energy?3 ru)ge wVII,) publtrhed In hN
P
et mi 2 j the aeutrnn enwrgy twee v~-rted :'rc
ezperi:,ent1 of btu leY ..
,
to E. VtFrtmch ,'"~y sdclitt~nslly invorti&ft,ed the mca?t4r:rg
~ 5r1 kV , ./
ot ce L'ron$ ur er,ergter of 3&, 96, 165 and 490 kdVn
P e r,n 1 t gy D.IiU1s
tetrMd Beta - irer~tfY the derfrred tonmi1s end W
The ~
obtsin1 d mere eocure~te islue of oonetsntr The formals even with 't1e c; d
' ~
vm,,ue' of nstsntr aPikBred in good sgreerent itth the expertDetltsl
ao
data1 `The axperitnefts~ potntr sppesred only in the osre or low ere: gt er
Mvnrxhat *bore they o ted ones. This di idrepsnoy miy be explained y
the tact thst ire wear w*ble to utilise daVt*. oorrespondtn~ do loW neutron
ener ! ie r (Mxaept the a*ee of there *1 nevt rons, roe I),
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to still irproY* the sgr scent it sufioes t-o ohms only
In order
olightly and ooelf`toiame rlY instead of the eonstuat Otl29 in the
oond tar*, ere should tiles OeV~o Pinn3l71t1 e for*uls for the etfsotiYe
se ,
orates meetion tske* the for**
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Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0
 Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0
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a * 1034~44I4 ~
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where t is Mnrurld ?n sY ( in the lebora-tor7 systaa of ocrord~nSt"
?orL1~ (1) ppn ors to be 1* e~ca~lleat's~~ro+s~wt t~iW~ the ?xper areocs~l
B,s w$* shown t I the root of the danoaistor c t t sso4'ud t. vo
deuteron
eRt*1e a , nbere V is thw eaarg.y of the gtrtiua (11D?.'.
~
lrvelni~cin6 use of t h w aerr YS UAb of aao$t$nts~ we %btaic f,1~e tol oNU
value for this ewer 7
Lnatfmd of th. ~rs:u? ,~1,e~ p;i'era ~o t The a.o~ure,y of tai 'n y+
is around :O%
1' - 4uc1 ?t+ ~'
It '-a a,oer$Ary ?p) .aQt1"! t1h~t -3'a+A9.#~?~ ~~"'"r~ is ~~
the aeoonct eo~tr ( ect in thn denoa.tfftar tkC the eeoond Cerro.,
Teretore notrull7 oatY 1,MO aanat$tta ere deberned frs~~a date an
aosttertn; (the third aonstsaat is determined by' th. bond eaerlJ of tjthe
deuteron) ~,
The obtai r id rfenwnt between the tVI PMrtm*` er tor~+a~ s ars~~ tr-~
Rrpersroer,td+: du`s oootir?J our point of ncrw, thdt tt to taipoaat::e w
obt&Ln Crum,m+rst sble data saef infor atiaa on the shmpa of th. po?eLtt'
*e d, ?zoept the valuer of soar two p.rsa t*re( of is the tier', G&4
of tihrei) det1. i the interaction of proton and neutron in t?o stttA.
(s:n~let mad t ripiet)
It is of interest to 4pp17 torwss,ln (1) to the cia. of neutrons
wl th *A energ7 of z.Y, inrssti~ited by Bberr G 4J? Bhen obta~ir,ed
; I
for the dross reotion thr as-lue O 9~1 `1~ d~~e Aoe~ordin~ to tor. &
in this 01$e the rs1ua Ool lO"~'t oaf is obt&ins& H*rs wr shouid talka'
under oonsidar*tiOti the ptrcett4rt $j the croie section of which at these'
energies shou1d be arcuxd OnO14O 24 a> (se+ I)~ theretorw he a putf t
Of the oross s?otinn Xi11 be npproiwmtelV Oo4~sO~'bl 2, nand this
value
vt1ue grres w$11 with exper''iasn e ( 1eb us r.o&U that nt 14 GeV the
rent ae-s also wary good, Ne ssen frog I) a
a1iy. ~ ,::.ti=l~'cJ~, JiFW.:-.1 w x1%lli~tz~' &14I :
Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0
 Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0
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Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0
 Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0
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Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0
 Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0
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Declassified in Part - Sanitized Copy Approved for Release 2012/05/04 : CIA-RDP82-00039R000100130025-0