---Cleft1Drl1 l1lo february 4 lry55

Il~ RJ~I tor Chier 1ft ter1ala Th8r1lOdynam1CB U1 ddon

fJuhJeetl P08aihle Utilisation of B o-Ineh Cyclotron

1 t crelotron GSpable ot aecelrating 11~ la1 to ena1Iie 1D th ranse of 10-)0 1s of thG great~a 9 Iue in ~ag oat re 1Ub in tundalNntl n~l I pll~ jlhysl0 chendstIy ( d talltirgr The verampetll1t7 of such ~tn 1 ut and the teat thtlt M Ior It aro coaatant1T belng d1acowred -lat it difficult t ~Gnt tl detaUed 1113t 0 pp11ea~ but all OItlmention according to pDeral f1QOtiona will indicate the r1ed-b111t ODd uUlltq ot the ~trou

2 fn tho fiNt nloCampt it earl be eployec 1n rmolear ~1S1C1 to stud) to bull into ctJona betWMI1 MutllM proto bull deutamprons_ r amp1 JlUtiole and 8Jl1 target nuclei iii th reg rd to th ehag9l1 pIlrtietlbullbull 1 t is ry don utalaquo OWl for such studies th t 1 moderate y 811 colli t-d II)DOenrptie beam 18 llVoilab1a cyclotrm uo as llltu1orona are (o~~erneC the ooQli1tic UG lI1Ch JnOIe taongtftble tor doing ul8r1MDta with DOe tie rut neutrou ttma 1n bull pile s1 e ti1ere t 0 affect1 thode IrftilaIa1e far doing UleliMnta with rut alDDeDllrptia neutron wi b lhe dj ot bull eyclB JIIOn Firat one oan or 8 auoleu sction ( laquo u ~ltoPOU

bull trit1wa tarp-) dualng n~t1)n6 0 lntl~ II olle It

8eeoaG7 00 can -u U of the tact that le yelotron co_tau or pu1 of perUolea 1th amp pUse irldt of bout 01 - 1A bull 04 to amplIplo7 t1OO of night _thods taing fest arsplliers and (J01 1rlonae cdr-ouita to lee stUdies of relatively high )nergy tl811tron 010151 eeotiou Thla la f oOlUlldenbl int6rat 111 fiamptf of th_ ptClCtiCal and theofttloal 1 pcrtampnoo ltgtt 0111015 lleet10QII for ae tio wi th ili ~h OMIt neutrona

J f oilCl 0 ue tIIe baa 0 charged 184t1elu t4 themiddot ala-tro to Inveatig toe Wk9 ch_lI1cal ond jVlyuical rf t lIt nuolMl particle irrad11llon for the p1OduCt1on 01 ndiotl n damp in 1 1011 ~

ten 1 eg w1JM or in h ta) such OoIlbft1dllt by J trlJAlu 1s aoaaiderabl1 mN efficient than t ilSD --E IlIMItroM frt m a lli lor

tuDd atal aeU bull UOU 0 f d1 Q t1 n darege IS II ple in eh tairl1 UA1fortJ d--ee OR be prod e br cl1 god r-rl1cleg el _lngroa a eral0lon _tisraetory Ca]otlooa c tT otly bci ~l pt y d far allOb tud1 br at laost Six labontorie or the l9ine oyclotrona t-u eoargy rand 001 tl ntwnei t1 100 th Ute eytlotron Snvsl _pl U~ uaually Xt- ~ liru14oeoualY in roe t ne It ~)tel beelll elllCreing roll th q41otron of 10 tA 20 lliero amoolO~ ~JOIUreIl rNlll t ng in an tnt-egrated beaa ot SO 0 100 Clio~uro are OlJstonarr (S ag Cyclotron

eChA1quepound for Radi t10n r6rarre -tn H P Iockay et 81 1oJtb -wrieen T1aUoll IDe bullbull ley Sc lllItr 25 J 1011 1~4)

- 2

Eap1071ng the dntc conclived by P ltJoh_eel and O 01OetiUtpr (J 01 Applied Ib7eicbull ~ 234 1952) the aa lUDOunt ot Wlitora niSiUoll cia- oan be produ0e4 b dn-s e rging 8 0 inch ~lotroD nth 140 the 8110UDi ot in tGgn to-do bo alll than wi thout thi dmoe

4 Tll tld It ely of th energy 1n~ of th (UIUtab18) duct _111 produced b7 the bombud nt of th tars-t nuoW with cyclotron beu i th belt method IIlvaUable for tho cldat10D at nuolear atructure

5 inally the Gye1otron can by 0 tectinlt UMd to produc 1s The num ~ of botope8 obt inable is about twioe 118 t bullbull floom bull pil and ow mil us isoto bull with tal lives 80 ahort that they could DOt sunift trauportat1ol1 froT the pile to th looot n ere they aru UHd ThI1 iaoto_ amp can be 18 ct of coura in trncmr ~ uta in 0Ud tet 1il1l1G8 ohemiBtry Iild oetallur1 and B ampOJJC f l1IIUt nyu lee Jl8 etc

II - L f

1 At th ~80n t 0 NdiBtion eNeets 1 1101 a

duoing en e fae un lor th wi thout to bel tlng 8 S e

oopper-gold e11oyJI h ch are uitJ Do extens 1elyst 1 in this rauJ~ cop~

quite Hns~ t vw ttgt iJondi 11011 nd bav _l oxteQllwly atllrlled here III addU on 1 d would liro eet to bd II ed II sources 1n studbullbull or tho ~at ling and ing do of ft challed ticlee SoH 1 oto would

be utilia ce in rlL c aurell811ts

C z1 l

H tioll 1olJ ti

BP S~

OO bullbull jt

NACA - Lewis

Cleveland Ohio February 20 1956

MEMORANDUM for J R Braig

SUbject Utilization of the 60 inch Cyclotron

1 The memorandThn on this sub j e ct prepared

February 4 1955 by Dr G K Groetzinger continues

to represent a complete and accurate account of the

uses to which the Cyclotron will be put according to

present plans

~~ Philip chwed

Radiation Physics Head

Section

BP p pjk

1 - J

ClenlDn1 tio CiJruBri 4 lc55

lJ~ R~ 1J r r Chi ft te11a~ rtlOf

o-r h ~yelot1on

1 t arelotron oepable ot aec I th range of 10-JO tund 1 t 1 I1D pl1e of such n 1 8 ~ at nod 8 tee thtlt no diacove d it dltfieult t Tea

but all QDWMtrlltian c 1ng to ge billt uUll~ at the ~tron

2 tOle 1nt n utM and Bn1 acnntAg (I tor 9 ch

11 available 00Dei1ti azoo 11110b rut n utro tlun in

18 ndto

c1rshyoUou

theont1oel ltrona

- -~

p10ying the dnic p ehwed ana roet2l1J11W (J 0

pplled r~lc 234 unt or UD1ora radit1o w-re ORn De pro-uoed 1 ltintie_La a gt0 inch ~lotroD wi tI 140 the lIIOun of into ted t thi d ce

L TiIr i It ely r til e r~l leye18 of (Un8table duot plOcuced by the bo bard n of tho tar t nucW th cyclotron th but method avillahle for tho elL101datOD of nuolar atzoac bull

5 -1nally the O7elotron ean by ract1Tely to produce ian 111 nurnDo (If iloto 8 obt i ble 1 Q ut t 1 - IN t 1 fro bull 1 aDd OilS J 118e _Joto bull wi ha f liv 8 ao hort that they oould DOt surv1 traneportetion fro the t 1 to th loect D where th UJ uud lha isotorgteG C be l t)f couree in me r n 1n loll tet ~1I108

ob tl etrj doo Hur a 3 30 ~ rf rrys ltX toe

II I

1 i radiation

d 01 thout o pgteJ~ 1lO

bull

1 - J

ClenlDn1 tio CiJruBri 4 lc55

lJ~ R~ 1J r r Chi ft te11a~ rtlOf

o-r h ~yelot1on

1 t arelotron oepable ot aec I th range of 10-JO tund 1 t 1 I1D pl1e of such n 1 8 ~ at nod 8 tee thtlt no diacove d it dltfieult t Tea

but all QDWMtrlltian c 1ng to ge billt uUll~ at the ~tron

2 tOle 1nt n utM and Bn1 acnntAg (I tor 9 ch

11 available 00Dei1ti azoo 11110b rut n utro tlun in

18 ndto

c1rshyoUou

theont1oel ltrona

- -~

p10ying the dnic p ehwed ana roet2l1J11W (J 0

pplled r~lc 234 unt or UD1ora radit1o w-re ORn De pro-uoed 1 ltintie_La a gt0 inch ~lotroD wi tI 140 the lIIOun of into ted t thi d ce

L TiIr i It ely r til e r~l leye18 of (Un8table duot plOcuced by the bo bard n of tho tar t nucW th cyclotron th but method avillahle for tho elL101datOD of nuolar atzoac bull

5 -1nally the O7elotron ean by ract1Tely to produce ian 111 nurnDo (If iloto 8 obt i ble 1 Q ut t 1 - IN t 1 fro bull 1 aDd OilS J 118e _Joto bull wi ha f liv 8 ao hort that they oould DOt surv1 traneportetion fro the t 1 to th loect D where th UJ uud lha isotorgteG C be l t)f couree in me r n 1n loll tet ~1I108

ob tl etrj doo Hur a 3 30 ~ rf rrys ltX toe

II I

1 i radiation

d 01 thout o pgteJ~ 1lO

bull

- -~

p10ying the dnic p ehwed ana roet2l1J11W (J 0

pplled r~lc 234 unt or UD1ora radit1o w-re ORn De pro-uoed 1 ltintie_La a gt0 inch ~lotroD wi tI 140 the lIIOun of into ted t thi d ce

L TiIr i It ely r til e r~l leye18 of (Un8table duot plOcuced by the bo bard n of tho tar t nucW th cyclotron th but method avillahle for tho elL101datOD of nuolar atzoac bull

5 -1nally the O7elotron ean by ract1Tely to produce ian 111 nurnDo (If iloto 8 obt i ble 1 Q ut t 1 - IN t 1 fro bull 1 aDd OilS J 118e _Joto bull wi ha f liv 8 ao hort that they oould DOt surv1 traneportetion fro the t 1 to th loect D where th UJ uud lha isotorgteG C be l t)f couree in me r n 1n loll tet ~1I108

ob tl etrj doo Hur a 3 30 ~ rf rrys ltX toe

II I

1 i radiation

d 01 thout o pgteJ~ 1lO

bull