First Observation Of The Cabibbo Suppressed Decays Xi C Sigma Pi Pi And Xi C Sigma Pi Pi And Measurement Of Their Branching Ratios

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First Observation Of The Cabibbo Suppressed Decays Xi C Sigma Pi Pi And Xi C Sigma Pi Pi And Measurement Of Their Branching Ratios

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Author :
language : en
Publisher:
Release Date : 2008

First Observation Of The Cabibbo Suppressed Decays Xi C Sigma Pi Pi And Xi C Sigma Pi Pi And Measurement Of Their Branching Ratios written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

The authors report the first observation of two Cabibbo-suppressed decay modes,?{sub c} →?+?−?+ and?{sub c}+ →?−?+?+. They observe 56 ± 13 over a background of 21, and 23 ± 7 over a background of 12 events, respectively, for the signals. The data were accumulated using the SELEX spectrometer during the 1996-1997 fixed target run at Fermilab, chiefly from a 600 GeV/c?− beam. The branching ratios of the decays relative to the Cabibbo-favored?{sub c}+ →?−?+?+ are measured to be B(?{sub c}+ →?+?−?+)/B(?{sub c}+ →?−?+?+) = 0.50 ± 0.20, and B(?{sub c}+ →?−?+?+)/B(?{sub c}+ →?−?+?+) = 0.23 ± 0.11, respectively. They also report branching ratios for the same decay modes of the?{sub c}+ relative to?{sub c}+ → pK−?+.

High Energy Physics Index

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Author :
language : en
Publisher:
Release Date : 1989

High Energy Physics Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Nuclear physics categories.

Measurements Of Lambda Sub C Sup Branching Fractions Of Cabibbo Suppressed Decay Modes

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Author :
language : en
Publisher:
Release Date : 2004

Measurements Of Lambda Sub C Sup Branching Fractions Of Cabibbo Suppressed Decay Modes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

The authors have measured the branching fractions of the Cabibbo-suppressed decays [Lambda][sub c][sup +] --> [Lambda][sup 0]K[sup +] and [Lambda][sub c][sup +] --> [Sigma][sup 0]K[sup +] relative to the Cabibbo-allowed decay modes [Lambda][sub c][sup +] --> [Lambda][sup 0][pi][sup +] and [Lambda][sub c][sup +] --> [Sigma][sup 0][pi][sup +] to be 0.044 [+-] 0.004 (stat.) [+-] 0.002 (syst.) and 0.040 [+-] 0.005 (stat.) [+-] 0.004 (syst.), respectively. They also present the first observation of [Lambda][sub c][sup +] --> [Lambda][sup 0]K[sup +][pi][sup +][pi][sup -] and have measured the branching fraction relative to [Lambda][sub c][sup +] --> [Lambda][sup 0][pi][sup +] to be 0.266 [+-] 0.027 (stat.) [+-] 0.032 (syst.). The upper limit of the branching fraction into the decay [Lambda][sub c][sup +] --> [Sigma][sup 0]K[sup +][pi][sup +][pi][sup -] relative to [Lambda][sub c][sup +] --> [Sigma][sup 0][pi][sup +] has been measured to be

Measurements Of Lambda Sub C Sup Branching Fractions Of Cabibbo Suppressed Decay Modes

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Author : Muhammad Saleem
language : en
Publisher:
Release Date : 2004

Measurements Of Lambda Sub C Sup Branching Fractions Of Cabibbo Suppressed Decay Modes written by Muhammad Saleem and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

The authors have measured the branching fractions of the Cabibbo-suppressed decays {Lambda}{sub c}{sup +} --> {Lambda}{sup 0}K{sup +} and {Lambda}{sub c}{sup +} --> {Sigma}{sup 0}K{sup +} relative to the Cabibbo-allowed decay modes {Lambda}{sub c}{sup +} --> {Lambda}{sup 0}{pi}{sup +} and {Lambda}{sub c}{sup +} --> {Sigma}{sup 0}{pi}{sup +} to be 0.044 {+-} 0.004 (stat.) {+-} 0.002 (syst.) and 0.040 {+-} 0.005 (stat.) {+-} 0.004 (syst.), respectively. They also present the first observation of {Lambda}{sub c}{sup +} --> {Lambda}{sup 0}K{sup +}{pi}{sup +}{pi}{sup -} and have measured the branching fraction relative to {Lambda}{sub c}{sup +} --> {Lambda}{sup 0}{pi}{sup +} to be 0.266 {+-} 0.027 (stat.) {+-} 0.032 (syst.). The upper limit of the branching fraction into the decay {Lambda}{sub c}{sup +} --> {Sigma}{sup 0}K{sup +}{pi}{sup +}{pi}{sup -} relative to {Lambda}{sub c}{sup +} --> {Sigma}{sup 0}{pi}{sup +} has been measured to be

Measurement Of The Ratio Of Branching Fractions Of Xic0 Decays To Xi Pi And To Omega K

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Author :
language : en
Publisher:
Release Date : 2004

Measurement Of The Ratio Of Branching Fractions Of Xic0 Decays To Xi Pi And To Omega K written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

The authors have analyzed 116 fb[sup -1] of data collected by the BABAR detector for [Xi][sub c][sup 0] production. In this paper they describe the observations of [Xi][sub c][sup 0] production from c[bar c] continuum and from B decays, with the [Xi][sub c][sup 0] decaying into [Xi][sup -][pi][sup +] and [Omega][sup -]K[sup +] modes.

First Observation And Measurement Of The Resonant Structure Of The Lambda B Lambda C Pi Pi Pi Decay Mode

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Author :
language : en
Publisher:
Release Date : 2009

First Observation And Measurement Of The Resonant Structure Of The Lambda B Lambda C Pi Pi Pi Decay Mode written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.

The authors present the first observation of the?{sub b}° →?{sub c}?−?+?− decay using data from an integrated luminosity of approximately 2.4 fb−1 of p{bar p} collisions at √s = 1.96 TeV, collected with the CDF II detector at the Fermilab Tevatron. They also present the first observation of the resonant decays?{sub b}° →?{sub c}(2455)°?+?− →?{sub c}+?−?+?−,?{sub b}° →?{sub c}(2455){sup ++}?−?− →?{sub c}+?−?+?−,?{sub b}° →?{sub c}(2595)+?− →?{sub c}+?−?+?− and?{sub b}° →?{sub c}(2625)+?− →?{sub c}+?−?+?−, and measure their relative branching ratios.

Measurements Of Lambda Sub C Branching Fractions Of Cabibbo Suppressed Decay Modes

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Author :
language : en
Publisher:
Release Date : 2004

Measurements Of Lambda Sub C Branching Fractions Of Cabibbo Suppressed Decay Modes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

The authors have measured the branching fractions of the Cabibbo-suppressed decays?{sub c} -->?°K+ and?{sub c}+ -->?°K+ relative to the Cabibbo-allowed decay modes?{sub c}+ -->?°?+ and?{sub c}+ -->?°?+ to be 0.044 ± 0.004 (stat.) ± 0.002 (syst.) and 0.040 ± 0.005 (stat.) ± 0.004 (syst.), respectively. They also present the first observation of?{sub c}+ -->?°K+?+?− and have measured the branching fraction relative to?{sub c}+ -->?°?+ to be 0.266 ± 0.027 (stat.) ± 0.032 (syst.). The upper limit of the branching fraction into the decay?{sub c}+ -->?°K+?+?− relative to?{sub c}+ -->?°?+ has been measured to be

Analysis Of D0 K Pi Pi0 Decays

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Author : Michael Galante Wilson
language : en
Publisher:
Release Date : 2005

Analysis Of D0 K Pi Pi0 Decays written by Michael Galante Wilson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

Analyzing D{sup 0} {yields} K{sup +}{pi}{sup -}{pi}{sup 0} decays, herein are presented the methods and results of a search for D{sup 0}-{bar D}{sup 0} mixing, a measurement of the branching ratio R {equivalent_to} {Lambda}(D{sup 0} {yields} K{sup +}{pi}{sup -}{pi}{sup 0})/{Lambda}(D{sup 0} {yields} K{sup -}{pi}{sup +}{pi}{sup 0}), and measurements of the contributions from D{sup 0} {yields} K{sup +}{rho}{sup -}, K*{sup +}{pi}{sup -}, K*{sup 0}{pi}{sup 0}; 230.4 fb{sup -1} of data collected from the BABAR detector at the PEP-II collider during 2000-2004 (Runs 1-4) are analyzed. An event-level tagging technique is developed, which facilitates the accurate determination of doubly Cabibbo-suppressed resonance contributions by suppressing background from Cabibbo-favored decays. The branching ratio is measured as R = (0.214 {+-} 0.008 (stat) {+-} 0.008 (syst))%, with (46.1 {+-} 3.3 (stat) {+-} 2.9 (syst))% of D{sup 0} {yields} K{sup +}{pi}{sup -}{pi}{sup 0} decays proceeding through the channel D{sup 0} {yields} K*{sup +}{pi}{sup -}. The data are consistent with the null-D-mixing hypothesis at a confidence level of 10%, and the expected value of {+-} {radical}(x{sup 2} + y{sup 2}) is measured as -0.013 {+-} 0.010 (stat), indicating negative interference between mixing and doubly Cabibbo-suppressed decay. The expected value of the integrated mixing rate is (x{sup 2} + y{sup 2})/2 = (0.013 {+-} 0.013 (stat))%.

First Observation Of Charmed Resonances In The 0 B C Inclusive Decays And Measurement Of Their Relative Branching Ratios At Cdf

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Author : Patrizia Barria
language : en
Publisher:
Release Date : 2012

First Observation Of Charmed Resonances In The 0 B C Inclusive Decays And Measurement Of Their Relative Branching Ratios At Cdf written by Patrizia Barria and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.

Experimental Study Of Three Body Cabibbo Suppressed D0 Decays And Extraction Of Cp Violation Parameters

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Author :
language : en
Publisher:
Release Date : 2008

Experimental Study Of Three Body Cabibbo Suppressed D0 Decays And Extraction Of Cp Violation Parameters written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

I present measurements of the relative branching ratios, Dalitz plot structures and CP-asymmetry values in the three-body singly Cabibbo-suppressed decays D0 ->pi-pi+pi0 and D0 ->K-K+pi0 using data collected by the BaBar detector at the PEP-II asymmetric-energy ring at SLAC. I apply the results of the D0 ->pi-pi+pi0 analysis to extracting CP-violation parameters related to the CKM angle gamma (or phi_3) using the decay B- -> D0[->pi-pi+pi0] K-