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Rare Decays Of The Eta And Eta Prime Mesons At Cleo Ii
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Book Synopsis Rare Decays of the ETA and ETA Prime Mesons at Cleo II by : Dennis W. Ugolini
Download or read book Rare Decays of the ETA and ETA Prime Mesons at Cleo II written by Dennis W. Ugolini and published by . This book was released on 1999 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rare B Meson Decays with [eta Prime] Or [eta] Mesons by : Andrei Gritsan
Download or read book Rare B Meson Decays with [eta Prime] Or [eta] Mesons written by Andrei Gritsan and published by . This book was released on 2000 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Radiative Decays of Upsilon(1S) Into Eta and Eta-prime by : Vijay Singh Potlia
Download or read book Search for Radiative Decays of Upsilon(1S) Into Eta and Eta-prime written by Vijay Singh Potlia and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: We conducted a new search for the radiative decay of Upsilon(1S) to the pseudoscalar mesons eta and eta-prime in (21.2"0.2) x 106 Upsilon(1S) decays collected with the CLEO III detector operation at the Cornell Electron Strorage Ring (CESR). The eta meson was reconstructed in the three modes eta to gamma gamma, eta to pipi−pi0 or eta to pi0 pi0 pi0. The eta-prime meson was reconstructed in the mode eta-prime to pi pi− eta with eta decaying through any of the above three modes; and also eta-prime to gamma rho0, where rho0 to pi+ pi−-. The first six of these decay chains were searched for in the previous CLEO II analysis on this subject, which used a data sample 14.6 times smaller. Five of the seven submodes were virtually background free. We found no signal events in four of them. The only exception was Upsilon(1S) to gamma eta-prime; eta to pi+ pi− pi0 where we observed two good signal candidates. The other two submodes (eta to gamma gamma and eta-prime to gamma rho) are background limited, and showed no excess of events in the signal region. We combined the results from different channels and obtained 90% confidence level (C.L.) upper limits branching fraction(Upsilon(1S) to gamma eta)
Book Synopsis Study of B Meson Decays with Excited Eta and Eta-prime Mesons by :
Download or read book Study of B Meson Decays with Excited Eta and Eta-prime Mesons written by and published by . This book was released on 2008 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using 383 million B{bar B} pairs from the BABAR data sample, they report results for branching fractions of six charged B-meson decay modes, where a charged kaon recoils against a charmless resonance decaying to K{bar K}* or [eta][pi][pi] final states with mass in the range (1.2-1.8) GeV/c2. They observe a significant enhancement at the low K{bar K}* invariant mass which is interpreted as B 2![eta](1475)K, find evidence for the decay B+ 2![eta](1295)K+, and place upper limits on the decays B+ 2![eta](1405)K+, B+ 2!f1(1285)K+, B+ 2!f1(1420)K+, and B+ 2![phi](1680)K+.
Book Synopsis Rare Decay Modes of the [eta]-meson by : Bing-lin Young
Download or read book Rare Decay Modes of the [eta]-meson written by Bing-lin Young and published by . This book was released on 1966 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Généalogie de Dippre. Originaire de Picardie. Election et généralité d'Amiens (9 octobre 1698.). by :
Download or read book Généalogie de Dippre. Originaire de Picardie. Election et généralité d'Amiens (9 octobre 1698.). written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2000 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Europhysics Conference on High Energy Physics by : Daniel Lellouch
Download or read book International Europhysics Conference on High Energy Physics written by Daniel Lellouch and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1293 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 1997 International Europhysics Conference on High Energy Physics was held at the campus of the Hebrew University of Jerusalem and at the Jerusalem Renaissance Hotel, from August 19th to August 25th, 1997. This was the first time that the European Physical Society had its High Energy Physics Conference outside the boundary of Europe. A total of 550 physicists participated in the conference with a total of 250 presentations in the parallel sessions and 26 presentations in the plenary sessions. The Board of the of the High Energy and Particle Physics division (HEPP) of the EPS acted as the Scientific Organizing Committee. The Board acknowl edges the help of the International Advisory Committee as well as that of the Local Organizing Committee. The conference was co-organized by the Hebrew University of Jerusalem and by the Weizmann Institute of Science, with important help by physi cists from the Israeli Institute of Technology (Technion) and the Tel Aviv University.
Download or read book Exotic Decays of Light Mesons written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We discuss the information one could obtain on physics beyond the minimal standard model from studies of the rare and forbidden decays of /pi//sup 0/, /eta/ and /eta//prime/. 82 refs.
Book Synopsis Physics and Outlook for Rare, All-neutral Eta Decays by :
Download or read book Physics and Outlook for Rare, All-neutral Eta Decays written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The $\eta$ meson provides a laboratory to study isospin violation and search for new flavor-conserving sources of C and CP violation with a sensitivity approaching $10{̂-6}$ of the isospin-conserving strong amplitude. Some of the most interesting rare $\eta$ decays are the neutral modes, yet the effective loss of photons from the relatively common decay $\eta \rightarrow 3\pi0̂ \rightarrow 6\gamma$ (33$\%$) has largely limited the sensitivity for decays producing 3-5$\gamma$'s. Particularly important relevant branches include the highly suppressed $\eta \rightarrow \pi0̂ 2\gamma \rightarrow 4\gamma$, which provides a rare window on testing models of $O(p6̂)$ contributions in ChPTh, and $\eta \rightarrow 3\gamma$ and $\eta \rightarrow 2\pi0̂ \gamma \rightarrow 5\gamma$ which provide direct constraints on C violation in flavor-conserving processes. The substitution of lead tungstate in the forward calorimeter of the GluEx setup in Jefferson Lab's new Hall D would allow dramatically improved measurements. The main niche of this facility, which we call the JLab Eta Factory (JEF), would be $\eta$ decay neutral modes. However, this could likely be expanded to rare $\eta'(958)$ decays for low energy QCD studies as well as $\eta$ decays involving muons for new physics searches.
Download or read book שערי יום טוב written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evidence for the Rare Decay, B--] J/psi Eta K. by :
Download or read book Evidence for the Rare Decay, B--] J/psi Eta K. written by and published by . This book was released on 2003 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report evidence for the B meson decays, B{sup ±} 2!J/[psi][eta]K{sup ±} and B° 2!J/[psi][eta]K{sub S}°, using 90 million B{bar B} events collected at the [Upsilon](4S) resonance with the BABAR detector at the PEP-II ee− asymmetric-energy storage ring. We obtain preliminary branching fractions in the charged and neutral channels of (10.8 ± 2.3(stat.) ± 2.4(syst.)) x 10−5 and (8.4 {+-} 2.6(stat.) {+-} 2.7(syst.)) x 10−5, respectively.
Book Synopsis Rare Decays of Neutral [pi] and [eta] by : J.-M. Poutissou
Download or read book Rare Decays of Neutral [pi] and [eta] written by J.-M. Poutissou and published by . This book was released on 1983 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1999 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Neutral Decays of the [meta] Meson by : Jacob Grunhaus
Download or read book The Neutral Decays of the [meta] Meson written by Jacob Grunhaus and published by . This book was released on 1966 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis D Meson Hadronic Decays at CLEO-c by :
Download or read book D Meson Hadronic Decays at CLEO-c written by and published by . This book was released on 2011 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: The recent CLEO-c results on hadronic decays of D and D{sub s} mesons are presented. First the absolute branching fractions for D and D{sub s} mesons using a double tag technique are discussed, then are the Cabibbo suppressed decays and doubly Cabibbo suppressed decays. Finally, I present the inclusive and rare decay modes and other measurements from CLEO-c. These decays illuminate a wide range of physics. A brief theoretical introduction is given before the corresponding discussion on measurement.
Book Synopsis Study of Inclusive and Semi-Inclusive Production of Eta[prime] in B Decays by :
Download or read book Study of Inclusive and Semi-Inclusive Production of Eta[prime] in B Decays written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We report a measurement of the rate for B[yields][eta][prime] X[sub s] transitions where the[eta][prime] meson has center-of-mass momentum in the range 2.0 to 2.7 GeV/c and X[sub s] represents a system comprising a kaon and up to four pions. Our study is based on 22.2 million B[bar B] pairs collected at the[Upsilon](4S) with the BABAR detector at the Stanford Linear Accelerator Center. We find[Beta](B[yields][eta][prime]X[sub s])= (6.8[sub -1.0][sup+0.7](stat)[+-] 1.0(syst)[sub -0.5][sup+0.0](bkg)) x 10[sup -4] assuming that the signal is due to b[yields] sg* transitions.