Download or read book Latest Experimental Information On epsilon prime epsilon written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors review the latest experimental results in search for direct CP-violation by measuring the CP-violating parameters Re([epsilon][prime]/[epsilon]) in neutral kaon decays. The recent result from Fermilab-KTeV Re([epsilon][prime]/[epsilon])= (28.0[+-] 4.1) x 10[sup[minus]4], and the new preliminary result from CERN-NA48 Re([epsilon][prime]/[epsilon])= (14.0[+-] 4.3) x 10[sup[minus]4], are presented. Both experiments, though using very different techniques, have now performed very well by collecting millions of events for all four relevant decay modes of K[sub L, S] to[pi][sup+][pi][sup[minus]] and[pi][sup 0][pi][sup 0] simultaneously. The current world average on this important measurement is Re([epsilon][prime]/[epsilon])= 19.3[+-] 10[sup[minus]4] with a[chi][sup 2]/ndf= 11.1/5, establishing the existence of direct CP-violation. The experimental status of such crucial measurements and the future prospects are also discussed here.
Download or read book Epsilon Prime written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors update the current status for the measurement of the direct-CP violation parameters[epsilon][prime]/[epsilon] in the KTeV experiment at Fermilab. Substantial statistics have been accumulated during the 1996-7 run and 1999 run for both[epsilon][prime]/[epsilon] and rare K[sub L] decay searches. The first KTeV result on[epsilon][prime]/[epsilon] published last year was Re([epsilon][prime]/[epsilon])= (28.0[+-] 4.1) x 10[sup[minus]4] based on the 23% data from 1996-7 run. Combining with the previous E731, NA31 and the recent preliminary NA48 results, the grand average is Re([epsilon][prime]/[epsilon])= (19.3[+-] 3.6) x 10[sup[minus]4] (with S= 1:49), more than 5[sigma] above zero. More data from both KTeV and NA48 after completing the analysis will further improve the precision of this measurement in the near future and hopefully further improve the agreement. New results on the branching ratio and form factor measurements of K[sub L][r-arrow][mu][sup+][mu][sup[minus]][gamma] using 1997 data are also presented. We find that BR(K[sub L][r-arrow][mu][sup+][mu][sup[minus]][gamma])= (3.66[+-] 0.04[sub stat][+-] 0.07[sub syst]) x 10[sup[minus]7]. The form factor parameter[alpha][sub K]* is measured to be[alpha][sub K]*=[minus]0.157[sub[minus]0.027][sup+0.025]. We make the first measurement of the parameter[alpha] from the D'Ambrosio, Isidori, and Portoles form factor, finding[alpha]=[minus]1.53[+-] 0.09. This measurement of[alpha] limits the CKM parameter[rho]>[minus]0.2.
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Epsilon Prime written by Yuren Sun and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Re epsilon prime epsilon Result from KTeV An Observation of Direct CP Violation written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Using a subset of data collected in the 1996-97 fixed target run at Fermilab, the authors report the first preliminary measurement on the direct-CP violation from the KTeV experiment. The result is, e[prime]/e= (28.0-4.1) x 10[sup[minus]4], nearly 7 standard deviations above zero obtained by a blind analysis. This establishes the long-sought direct-CP violation effect in the two-pion system of neutral kaon decays. The experimental technique, data analysis and systematic checks for this measurement are discussed and the comparison with other measurements is also presented.
Download or read book Theoretical Status Of epsilon prime epsilon written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The author gives a detailed introduction into the theoretical formalism for[epsilon][prime]/[epsilon], which measures direct CP-violation in K[yields][pi][pi] decays. The current status of hadronic matrix elements and the strange quark mass is discussed. Several possible explanations of the unexpectedly high experimental results for[epsilon][prime]/[epsilon] are pointed out: A small strange quark mass, an enhancement of the hadronic parameter B[sub 6][sup (1/2)] from the[sigma] resonance, an underestimate of isospin breaking and possible new physics contributions in the[bar s]dZ-vertex and the[bar s]d-gluon-vertex.
Download or read book Bulletin written by and published by . This book was released on 1966 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Epsilon prime epsilon and Rare KL Decays from KTeV Experiment written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors update the current status for the measurement of the direct-CP violation parameters????????/? in the KTeV experiment at Fermilab. Substantial statistics have been accumulated during the 1996-7 run and 1999 run for both????????/? and rare K{sub L} decay searches. The first KTeV result on????????/? published last year was Re(????????/?) = (28.0 ± 4.1) x 10{sup −4} based on the 23% data from 1996-7 run. Combining with the previous E731, NA31 and the recent preliminary NA48 results, the grand average is Re(????????/?) = (19.3 ± 3.6) x 10{sup −4} (with S = 1:49), more than 5? above zero. More data from both KTeV and NA48 after completing the analysis will further improve the precision of this measurement in the near future and hopefully further improve the agreement. New results on the branching ratio and form factor measurements of K{sub L} →??{sup −}? using 1997 data are also presented. We find that BR(K{sub L} →?+?{sup −}?) = (3.66 ± 0.04{sub stat} ± 0.07{sub syst}) x 10{sup −7}. The form factor parameter?{sub K}* is measured to be?{sub K}* = −0.157{sub −0.027}{sup +0.025}. We make the first measurement of the parameter? from the D'Ambrosio, Isidori, and Portoles form factor, finding? = −1.53 ± 0.09. This measurement of? limits the CKM parameter?> −0.2.
Download or read book Development of the Bureau of Mines Gas combustion Oil shale Retorting Process written by Arthur Matzick and published by . This book was released on 1966 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bulletin written by United States. Bureau of Mines and published by . This book was released on 1966 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Calculating epsilon prime epsilon Using HYP Staggered Fermions written by George T. Fleming and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present preliminary results for {epsilon}{prime}/{epsilon} calculated using HYP staggered fermions in the quenched approximation. We compare different choices of quenched penguin operators.
Download or read book Nature of the Carbides of Iron written by Lawrence John Edward Hofer and published by . This book was released on 1966 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Introduction to the Standard Model written by Stuart Raby and published by Cambridge University Press. This book was released on 2021-07-08 with total page 637 pages. Available in PDF, EPUB and Kindle. Book excerpt: Develops a practical understanding of the theoretical concepts required to understand the Standard Model for a two-semester graduate course.
Download or read book Topics In Electroweak Physics Proceedings Of The Eleventh Lake Louise Winter Institute written by Alan Astbury and published by World Scientific. This book was released on 1997-04-01 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: The week-long Lake Louise Winter Institute starts with three days of pedagogical lectures by invited speakers, and the remainder of the time is for short presentations on current research topics. This year, the theme of the Institute was 'Topics in Electroweak Physics'. The invited lecturers were Drs E G Adelberger, G Altarelli, J Ellis, J-M Poutissou, B Sadoulet and S Wojcicki.
Download or read book Basics and Highlights in Fundamental Physics written by Antonino Zichichi and published by World Scientific. This book was released on 2001 with total page 649 pages. Available in PDF, EPUB and Kindle. Book excerpt: In August/September 1999, a group of 68 physicists from 48 laboratories in 17 countries met in Erice, Italy, to participate in the 37th Course of the International School of Subnuclear Physics. This volume constitutes the proceedings of that meeting. It focuses on the basic unity of fundamental physics at both the theoretical and the experimental level.
Download or read book XIX International Symposium on Lepton and Photon Interactions at High Energies written by John Jaros and published by World Scientific. This book was released on 2000 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stanford University hosted the XIX International Symposium on Lepton and Photon Interactions at High Energies on August 9 - 14, 1999, at the Law School on the Stanford University Campus, the site of the previous Symposia. This volume constitutes the proceedings of the Symposium.
Download or read book Annual Report of the European Organization for Nuclear Research written by European Organization for Nuclear Research and published by . This book was released on 2001 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:
