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A search for CP violation in chi bar...

Holmstrom, Timothy Kenneth.

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A search for CP violation in chi baryon/anti-chi baryon and lambda baryon/anti-lambda baryon hyperon decays.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	A search for CP violation in chi baryon/anti-chi baryon and lambda baryon/anti-lambda baryon hyperon decays./
Author:	Holmstrom, Timothy Kenneth.
Description:	185 p.
Notes:	Adviser: Edmond Craig Dukes.
Contained By:	Dissertation Abstracts International64-03B.
Subject:	Physics, Elementary Particles and High Energy. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3083071

A search for CP violation in chi baryon/anti-chi baryon and lambda baryon/anti-lambda baryon hyperon decays.
Holmstrom, Timothy Kenneth.

A search for CP violation in chi baryon/anti-chi baryon and lambda baryon/anti-lambda baryon hyperon decays. - 185 p.

Adviser: Edmond Craig Dukes.

Thesis (Ph.D.)--University of Virginia, 2003.

We have made a precision search for <italic>CP</italic> violation in hyperon decays, hyperon decays being sensitive to exotic sources of <italic> CP</italic> violation that, for example, kaon decays are not. The measured <italic> CP</italic> observable is <math> <f> A<inf><g>X</g><g>L</g><hsp sp="0.212"></inf>=<hsp sp="0.212"> <fen lp="par"><rm><g>a</g><inf><g>X</g></inf><g>a</g><inf><g>L</g> </inf>-<hsp sp="0.212"><g>a</g><inf><a><ac><g>X</g></ac><ac>&d1;</ac></a> </inf><g>a</g><inf><a><ac><g>L</g></ac><ac>&d1;</ac></a></inf> </rm><rp post="par"></fen>/<fen lp="par"><g>a</g><inf><g>X</g> </inf><g>a</g><inf><g>L</g></inf><hsp sp="0.212">+<hsp sp="0.212"> <g>a</g><inf><a><ac><g>X</g></ac><ac>&d1;</ac></a></inf><g>a</g><inf> <a><ac><g>L</g></ac><ac>&d1;</ac></a></inf><rp post="par"></fen> </f> </math>, where <math> <f> <g>a</g><inf><g>X</g></inf></f> </math> and <math> <f> <g>a</g><inf><g>L</g></inf></f> </math> are the decay parameters for <math> <f> <g>X</g>-<hsp sp="0.212">→<hsp sp="0.212"><g>L</g> <g>p</g>-</f> </math> and <math> <f> <g>L</g><hsp sp="0.212">→<hsp sp="0.212"><mit>p<rm><g>p</g> -</rm></mit></f> </math>, and the corresponding quantities for the antiparticles are overlined. Based on a sample of 118 million <math> <f> <g>X</g>-</f> </math> decays and 42 million <math> <f> <a><ac><g>X</g></ac><ac>&d1;</ac></a>+</f> </math> decays from the 1999 Fermilab fixed-target run, about 10% of the total HyperCP data set, the resulting measurement is: <math> <f> A<inf><rm><g>X</g><g>L</g></rm></inf></f> </math> = [1.5 ± 5.1(stat) ± 4.5(syst)] × 10<super>−4</super>. This result is consistent with no asymmetry and has a statistical sensitivity over 20 times more precise than the best published result.Subjects--Topical Terms:

1019488
Physics, Elementary Particles and High Energy.

A search for CP violation in chi baryon/anti-chi baryon and lambda baryon/anti-lambda baryon hyperon decays.
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008 110510s2003 eng d
035 $a (UnM)AAI3083071
035 $a AAI3083071
040 $a UnM $c UnM
100 1 $a Holmstrom, Timothy Kenneth. $3 1259474
245 1 0 $a A search for CP violation in chi baryon/anti-chi baryon and lambda baryon/anti-lambda baryon hyperon decays.
300 $a 185 p.
500 $a Adviser: Edmond Craig Dukes.
500 $a Source: Dissertation Abstracts International, Volume: 64-03, Section: B, page: 1307.
502 $a Thesis (Ph.D.)--University of Virginia, 2003.
520 $a We have made a precision search for <italic>CP</italic> violation in hyperon decays, hyperon decays being sensitive to exotic sources of <italic> CP</italic> violation that, for example, kaon decays are not. The measured <italic> CP</italic> observable is <math> <f> A<inf><g>X</g><g>L</g><hsp sp="0.212"></inf>=<hsp sp="0.212"> <fen lp="par"><rm><g>a</g><inf><g>X</g></inf><g>a</g><inf><g>L</g> </inf>-<hsp sp="0.212"><g>a</g><inf><a><ac><g>X</g></ac><ac>&d1;</ac></a> </inf><g>a</g><inf><a><ac><g>L</g></ac><ac>&d1;</ac></a></inf> </rm><rp post="par"></fen>/<fen lp="par"><g>a</g><inf><g>X</g> </inf><g>a</g><inf><g>L</g></inf><hsp sp="0.212">+<hsp sp="0.212"> <g>a</g><inf><a><ac><g>X</g></ac><ac>&d1;</ac></a></inf><g>a</g><inf> <a><ac><g>L</g></ac><ac>&d1;</ac></a></inf><rp post="par"></fen> </f> </math>, where <math> <f> <g>a</g><inf><g>X</g></inf></f> </math> and <math> <f> <g>a</g><inf><g>L</g></inf></f> </math> are the decay parameters for <math> <f> <g>X</g>-<hsp sp="0.212">→<hsp sp="0.212"><g>L</g> <g>p</g>-</f> </math> and <math> <f> <g>L</g><hsp sp="0.212">→<hsp sp="0.212"><mit>p<rm><g>p</g> -</rm></mit></f> </math>, and the corresponding quantities for the antiparticles are overlined. Based on a sample of 118 million <math> <f> <g>X</g>-</f> </math> decays and 42 million <math> <f> <a><ac><g>X</g></ac><ac>&d1;</ac></a>+</f> </math> decays from the 1999 Fermilab fixed-target run, about 10% of the total HyperCP data set, the resulting measurement is: <math> <f> A<inf><rm><g>X</g><g>L</g></rm></inf></f> </math> = [1.5 ± 5.1(stat) ± 4.5(syst)] × 10<super>−4</super>. This result is consistent with no asymmetry and has a statistical sensitivity over 20 times more precise than the best published result.
590 $a School code: 0246.
650 4 $a Physics, Elementary Particles and High Energy. $3 1019488
690 $a 0798
710 2 0 $a University of Virginia. $3 645578
773 0 $t Dissertation Abstracts International $g 64-03B.
790 $a 0246
790 1 0 $a Dukes, Edmond Craig, $e advisor
791 $a Ph.D.
792 $a 2003
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3083071