Day Rats: Pions Look at ion branhing frations (BF τ 0.6 8 s BF BF BF 0% 1. 1.0 139.6MV Th Bta day is th asist. ~Sa as nutron bta day Q 4.1 MV. Assu FT1600 s. LogF3. (fro ot F 1600 gis artia width(-1 T1600/F1 s or artia width 1 s-1 Γ Γ tota (.6 BF( 8 s 1 1.0 4 8 8 u.4s dbar 1 P461 - artis IV 1
Pi Day to -nu s u-nu Dnds on has sa and sin fators in ion rst fra ion has S0 L nu υ, RH LH RH LH NO sin1/ obin to gi S0. Noinay an ithr b both right-handd or both fthandd But arity ioatd in wak intrations. If 0 ---> a S1/ artis ar LH and a S1/ antiartis ar RH nutrino ass 0 ----> LH tron and uon ass not 0 and so an ha so wrong hiity. But asir for uon as hair ass P461 - artis IV
Poarization of Sin 1/ Partis Obtain through Dira quation and oarization orators. Poarization dfind P P N N R R N N L LH th dgr of oarization thn dnds on oity. Th fration in th right and wrong hiity stats ar: fration wrong 0 if 0 and for a gin nrgy, tron has highr oity than uon and so ss iky to ha wrong hiity, RH, 1 1 1 " right" " wrong" 1 P461 - artis IV 3
P461 - artis IV 4 Pion Day Kinatis Body day. Consr nrgy and ontu an thn auat th oity of th tron or uon ook at th fration in th wrong hiity to gt rati sin surssion of day to trons ( 0.7, 0.99997 0.5 5, 140, 1 5 3. LH LH
P461 - artis IV 5 Pion Day Phas Sa Lorntz inariant has sa us nrgy and ontu onsration gis th -body has sa fator (artiay a outationa trik as th tron is ightr, or has sa (3.3 tis th uon Branhing Fration ratio is sin surssion tis has sa ( ( 3 3 3 δ δ d d r r 0 0 0 0 1 1 d d as d d d d d d 4 5 3.3 3. ( ( υ υ BF BF
Muon Day Aost 0% of th ti uons day by τ. 6 s 5.7MV Q(uon day > Q(ion->uon day but thr is signifiant sin surssion and so uon s ifti ~0 ongr than ions sin 1/ uon -> 1/ osty LH ( us 1/ a LH( nu us 1/ a RH (antinu 3 body has sa and so aras of Daitz ot surssd as S3/ tron tnds to foow uon dirtion and rbr th uon oarization. Dira quation us a sin rotation atrix an gi th anguar distribution of th tron rati to th uon dirtion/oarization P461 - artis IV 6
Dtting Parity Vioation in uon day Massss nutrinos ar fuy oarisd, P-1 for nutrino and P1 for antinutrino (dfins J J hiity Considr day. Sin nutrinos ar ft-handd P Η1, uons shoud aso b oarisd with oarisation P/ (uons ar non-ratiisti, so both hiity stats ar aowd. J J J If uons onsr oarisation whn thy o to rst, th J trons fro uon day shoud aso b oarisd and ha an anguar dndn: I(θ 1 α 3 osθ P461 - artis IV 7
Parity ioation in day xrint by Garwin, Ldran, Winrih aid to onfir arity ioation through th asurnts of I(θ for ositrons. 85 MV ion ba ( fro yotron. % of uons in th ba: nd to b saratd fro ions. Pions wr stod in th arbon absorbr (0 thik Countrs 1- wr usd to sarat uons Muons wr stod in th arbon targt bow ountr. P461 - artis IV 8
Parity ioation in day Positrons fro uon day wr dttd by a tso 3-4, whih rquird artis of rang >8 g/ (5 MV ositrons. nts: onidn btwn ountrs 1- (uon us oinidn btwn ountrs 3-4 (ositron dayd by 0.75-.0 s. Goa: to asur I(θ for ositrons. Conntiona way: o dtting syst (tso 3-4 around arbon targt asuring intnsitis at arious θ. But ry oiatd. Mor sohistiatd thod: rssion of uon sin in agnti fid. Vrtia agnti fid in a shidd box around th targt. Th intnsity distribution in ang was arrid around with th uon sin. P461 - artis IV 9
Rsuts of th xrint by Garwin t a. Changing th fid (th agntising urrnt, thy oud hang th rat (frquny of th sin rssion, whih wi b rftd in th anguar distribution of th ittd ositrons. Garwin t a. ottd th ositron rat as a funtion of agntising urrnt (agnti fid and oard it to th xtd distribution: I(θ 1 α 3 osθ P461 - artis IV