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Search For Cp Violation In D0 To H H Decays At Cdf
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Book Synopsis Search for CP Violation in $D^0 \to H^+h^-$ Decays at CDF. by :
Download or read book Search for CP Violation in $D^0 \to H^+h^-$ Decays at CDF. written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: I report on a measurement of \CP-violating asymmetries ($A_{\Gamma}$) between effective lifetimes of $D^0$ or $\bar{D}^0$ in fully reconstructed $D^0\to K^+ K^-$ and $D^0\to \pi^+\pi^-$ decays collected in $p\bar{p}$ collisions by the Collider Detector at Fermilab experiment. The full CDF data set corresponding to $9.7$ fb$^{-1}$ of integrated luminosity is used. The flavor of the charm meson at production is determined by exploiting the strong-interaction decay $D^{*+} \to D^0 \pi^+$, while the contamination from mesons originated in $b$-hadron decays is evaluated and subtracted from the sample. Signal yields as functions of the observed decay-time distributions are extracted from maximum likelihood fits and used to measure the asymmetries. The results, $A_\Gamma (K^+K^- ) = \bigl( -1.9 \pm 1.5 \mathrm{(stat)} \pm 0.4 \mathrm{(syst)} \bigr)\times10^{-3}$ and $A_\Gamma (\pi^+\pi^- )= \bigl( -0.1 \pm 1.8 \mathrm{(stat)} \pm 0.3 \mathrm{(syst)} \bigr)\times10^{-3}$, and their combination, $A_\Gamma = \bigl( -1.2 \pm 1.2\bigr)\times10^{-3}$, are consistent with the SM predictions and other experimental determinations.
Download or read book Cp Violation written by Cecilia Jarlskog and published by World Scientific. This book was released on 1989-01-01 with total page 733 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents:CP Phenomenology:Introduction to CP Violation (C Jarlskog)CP-Violation in the K0-K0-System (K Kleinknecht)The Quark Mixing Matrix, Charm Decays and B Decays (S Stone)The Question of CP Noninvariance — As Seen through the Eyes of Neutral Beauty (I I Bigi et al.)In Search of CP Noninvariance in Heavy Quark Systems (L-L Chau)CP Violation at High Energy e+e- Colliders (J Bernabéu & M B Gavela)CP Violation in the Standard Model with Four Families (A Datta & E A Paschos)CP Effects When Neutrinos are their Own Antiparticles (B Kayser)On Spontaneous CP Violation Triggered by Scalar Bosons (I I Bigi & A I Sanda)CP Violation and Left-Right Symmetry (R N Mohapatra)CP Violation and Supersymmetry (R N Mohapatra)Electric Dipole Moments (S M Barr & W H Marciano)Special Topics: The Strong CP Problem (R D Peccei)CP Violation and Cosmology (P Langacker)Nonleptonic Interactions:The 1/N Approach to Nonleptonic Weak Interactions (A J Buras)Chiral Perturbation Theory Approach to Weak Amplitudes (E de Rafael)What We Learnt from Weak Decays of Heavy Quarks (B Stech)Weak Hamiltonian on the Lattice (G Martinelli) Readership: High energy physicists. Keywords:CP Violation;Quark Mixing Matrix;Charm Decays;B Decays;Nonleptic Interactions;Heavy QuarksReview: “Similar material is most often available in journals, but the book accomplishes a valuable service in drawing it together … the one that will probably have the greatest utility and longest lifespan is the survey of B meson physics by I Bigi, V Khoze, N Uraltsev and A Sanda … Bigi et al. here provide the most thorough and readable account of the issues that I know of. I have seen no review comparable to the excellent summary of electric dipole moments by S Barr and W Marciano … the volume offers a generally readable entry into this field for a reader who has a basic background in particle physics.” John F Donoghue Science “… this book performs a very useful service for anyone active or interested in CP violation, both as a source of primary information and as a work of reference.” K J Peach J Phys. G: Nucl. Part. Phys.
Book Synopsis CP Violation in Hadronic $B$ Decays at CDF. by :
Download or read book CP Violation in Hadronic $B$ Decays at CDF. written by and published by . This book was released on 2013 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for CP Violation in the Decays $D{̂\pm} to K0̂_{\scriptscriptstyle S} K\̂pm$, $D_s{̂\pm} to K0̂_{\scriptscriptstyle S} K\̂pm$, and $D_s{̂\pm} to K0̂_{\scriptscriptstyle S} P\̂pm$ by :
Download or read book Search for CP Violation in the Decays $D{̂\pm} to K0̂_{\scriptscriptstyle S} K\̂pm$, $D_s{̂\pm} to K0̂_{\scriptscriptstyle S} K\̂pm$, and $D_s{̂\pm} to K0̂_{\scriptscriptstyle S} P\̂pm$ written by and published by . This book was released on 2013 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for CP Violation in the Decays D0 to K- K+and D0 to Pi- Pi by :
Download or read book Search for CP Violation in the Decays D0 to K- K+and D0 to Pi- Pi written by and published by . This book was released on 2007 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We measure CP-violating asymmetries of neutral charmed mesons in the modes D° → K−K and D° →?−?+ with the highest precision to date by using D° → K−?+ decays to correct detector asymmetries. An analysis of 385.8 fb−1 of data collected with the BaBar detector yields values of a{sup KK}{sub CP} = (0.00 ± 0.34 (stat.) ± 0.13 (syst.))% and a{sup?{pi}}{sub CP} = ( -0.24 ± 0.52 (stat.) ± 0.22 (syst.))%, which agree with Standard Model predictions.
Book Synopsis Measurement of CP Violation in $B_s^0\to J/\psi \phi$ Decays Using the Full CDF Data Set by :
Download or read book Measurement of CP Violation in $B_s^0\to J/\psi \phi$ Decays Using the Full CDF Data Set written by and published by . This book was released on 2013 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on the final measurement of the CP-violating $B_s^0$ mixing phase $\beta_s^{J/[psi][phi]}$ in √s = 1.96 TeV proton-antiproton collisions collected with the Collider Detector at the Fermilab Tevatron collider. Using a sample corresponding to 9.6 fb-1 of integrated luminosity, we fit the decay-time evolution of $B_s^0$ → J/[psi] (→ [mu]+ [mu]-) [phi] (→ K+ K−) decays in which the b-quark content at production and the CP parity of the final state are identified. The interference of decays with and without mixing renders the $B_s^0$ mixing phase observable. The phase is determined to be -0.06
Book Synopsis Search for CP Violation in B0 to D(*)±K0 Π± Decays by : Troels C. Petersen
Download or read book Search for CP Violation in B0 to D(*)±K0 Π± Decays written by Troels C. Petersen and published by . This book was released on 2004 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following the idea of considering three-body decays with final state B to DKpi in the pursuit of the notoriously elusive unitary angle gamma, the initial steps towards its measurement are presented. Using a sample of approximately 88 million BBbar pairs collected with the BaBar detector at the PEP-II collider, a measurement of the branching fractions BO to D+- KO pi-+ and BO to D*+- KO pi-+ are presented for the entire Dalitz region: Br(BO to D+- KO pi-+) = (4.97 +- 0.69 +- 0.55) x 10^(-4) Br(BO to D*+- KO pi-+) = (3.00 +- 0.66 +- 0.29) x 10^(-4). In both decay modes the dominant resonance is the K*+-(892) between the neutral kaon and the charged pion. Measuring the branching fractions of the corresponding resonant two-body decays yields: Br(BO to D+- K*-+) = (4.78 +- 0.58 +- 0.53) x 10^(-4) Br(BO to D*+- K*-+) = (3.22 +- 0.59 +- 0.29) x 10^(-4). Performing a time-dependent CP asymmetries fit of the resonant decay mode BO to D+- K*-+ yields: C = 0.93 +- 0.18 +- 0.03 ABS[lambda] = 0.19 +- 0.25 +- 0.04 S = 0.18 +- 0.28 +- 0.02 Delta S = 0.08 +- 0.28 +- 0.02. As the amplitude ratio ABS[lambda] is consistant with zero, no interference sensitive to gamma can be established at this point.
Book Synopsis Search for CP Violation in Charged D Meson Decays by : Francisco Xavier Yumiceva
Download or read book Search for CP Violation in Charged D Meson Decays written by Francisco Xavier Yumiceva and published by . This book was released on 2004 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for CP Violation in Charged D Decays at the LHCb Experiment by : Samuel John Gregson
Download or read book Search for CP Violation in Charged D Decays at the LHCb Experiment written by Samuel John Gregson and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis CP Violation in the D0 -] Pi+ Pi- Decay at CDF. by :
Download or read book CP Violation in the D0 -] Pi+ Pi- Decay at CDF. written by and published by . This book was released on 2010 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report a measurement of the CP violating asymmetry in D° →??− decays using approximately 215,000 decays reconstructed in about 5.94 fb−1 of CDF data. We use the strong D*+ → D°?+ decay ('D* tag') to identify the flavor of the charmed meson at production time and exploit CP-conserving strong c{bar c} pair-production in p{bar p} collisions. Higher statistic samples of Cabibbo-favored D° → K−?+ decays with and without D* tag are used to highly suppress systematic uncertainties due to detector effects. The result, A{sub CP}(D° →?+?−) = [0.22 ± 0.24 (stat.) ± 0.11 (syst.)]%, is the world's most precise measurement to date and it is fully consistent with no CP violation.
Book Synopsis Search for CP Violation Using $T$-odd Correlations in $D0̂ \to K+̂ K-̂ \pi+̂ \pi-̂$ Decays by :
Download or read book Search for CP Violation Using $T$-odd Correlations in $D0̂ \to K+̂ K-̂ \pi+̂ \pi-̂$ Decays written by and published by . This book was released on 2011 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We search for CP violation in a sample of 4.7 x 104 Cabibbo suppressed D° → KK−?+?− decays. We use 470 fb−1 of data recorded by the BABAR detector at the PEP-II asymmetric-energy e+e− storage rings running at center-of-mass energies near 10.6 GeV. CP violation is searched for in the difference between the T-odd asymmetries, obtained using triple product correlations, measured for D° and {bar D}° decays. The measured CP violation parameter is A{sub T} = (1.0 ± 5.1{sub stat} ± 4.4{sub syst}) x 10−3.
Book Synopsis Searches for Direct CP Violation in D+ Decays And for D0 Anti-D0 Mixing by : M. V. Purohit
Download or read book Searches for Direct CP Violation in D+ Decays And for D0 Anti-D0 Mixing written by M. V. Purohit and published by . This book was released on 2005 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present preliminary results of a search for direct CP violation in D{sup +} {yields} K{sup +}K{sup -} {pi}{sup +} decays using 87 fb{sup -1} of data acquired by the Babar experiment running on and near the {Upsilon}(4S) from 1999-2002. The authors report the asymmetries in the signal mode and in the main resonant subchannels. Based on the same dataset, they also report a new 90% CL upper limit of 0.0042 on the rate of D{sup 0}-{bar D}{sup 0} mixing using the decay modes D*{sup +} {yields} D{sup 0}{pi}{sup +}, D{sup 0} {yields} [K/K*]ev (+c.c.).
Book Synopsis Searches for CP Violation in D0→K−K+π−π+ and D0→π−π+π+π− Decays at the LHCb Experiment by : Matthew P. Coombes
Download or read book Searches for CP Violation in D0→K−K+π−π+ and D0→π−π+π+π− Decays at the LHCb Experiment written by Matthew P. Coombes and published by . This book was released on 2015 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for CP Violation in D+s → K0Sπ+, D+ → K0SK+ and D+ → Φπ+ Decays by :
Download or read book Search for CP Violation in D+s → K0Sπ+, D+ → K0SK+ and D+ → Φπ+ Decays written by and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for CP Violation in Hyperon Decays by :
Download or read book Search for CP Violation in Hyperon Decays written by and published by . This book was released on 2002 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Direct CP violation in nonleptonic hyperon decays can be established by comparing the decays of hyperons and anti-hyperons. For [Xi] decay to [Lambda] [pi] followed by [Lambda] to p[pi], the proton distribution in the rest frame of Lambda is governed by the product of the decay parameters [alpha]{sub {Xi}} [alpha]{sub [Lambda]}. The asymmetry A{sub {Xi}[Lambda]}, proportional to the difference of [alpha]{sub {Xi}}[alpha]{sub {Lambda}} of the hyperon and anti-hyperon decays, vanishes if CP is conserved. We report on an analysis of a fraction of 1997 and 1999 data collected by the Hyper CP (E871) collaboration during the fixed-target runs at Fermilab. The preliminary measurement of the asymmetry is [Alpha]{sub {Xi}{Lambda}} = [-7 ± 12(stat) ± 6.2(sys)] x 10−4, an order of magnitude better than the present limit.
Book Synopsis Search for CP Violation Using T-odd Correlations in D0 \to K+ K-pi+ Pi- Decays at BaBar by :
Download or read book Search for CP Violation Using T-odd Correlations in D0 \to K+ K-pi+ Pi- Decays at BaBar written by and published by . This book was released on 2013 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of CP-Violating Asymmetries in $D^0 \to \pi^+ \pi^-$ and $D^0 \to K^+ K^- $ Decays at CDF. by :
Download or read book Measurement of CP-Violating Asymmetries in $D^0 \to \pi^+ \pi^-$ and $D^0 \to K^+ K^- $ Decays at CDF. written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We report a search for non-Standard Model physics through the measurement of CP-violating asymmetries in the singly-Cabibbo- suppressed $D^0 \to \pi^+ \pi^-$ and $D^0 \to K^+ K^- $ decays reconstructed in about 5.9 fb-1 of CDF data. We use the strong $D^{*+} \to D^0\pi^+$ decay ("D tag") to identify the flavor of the charmed meson at production time and exploit CP-conserving strong cc pair-production in pp collisions. Large samples of Cabibbo-favored $D^0 \to K^-\pi^+$ decays with and without D tag are used to highly suppress systematic uncertainties due to detector effects. The results are the world's most precise measurements to date and have been published by Physical Review D in January 2012 [1].
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