Read Books Online and Download eBooks, EPub, PDF, Mobi, Kindle, Text Full Free.
Dalitz Plot Analysis Of B Pi Pi Pi Decays
Download Dalitz Plot Analysis Of B Pi Pi Pi Decays full books in PDF, epub, and Kindle. Read online Dalitz Plot Analysis Of B Pi Pi Pi Decays ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Dalitz Plot Analysis of B- -> D+ Pi- Pi-. by :
Download or read book Dalitz Plot Analysis of B- -> D+ Pi- Pi-. written by and published by . This book was released on 2009 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The author reports on a Dalitz plot analysis of B− → D+?−?− decays, based on a sample of about 383 million ?(4S) → B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. They find the total branching fraction of the three-body decay: ?(B− → D+ ?−?−) = (1.08 ± 0.01 ± 0.05) x 10−3. the masses and widths of D*2° and D*0°, the 2+ and 0+ c{bar u} P-wave states decaying to D+?−, are measured: m{sub D*2°} = (2460.4 ± 1.2 ± 1.2 ± 1.9) MeV/c2, ?{sub D*2°} = (41.8 ± 2.5 ± 2.1 ± 2.0) MeV, m{sub D*0°} = (2297 ± 8 ± 5 ± 19) MeV/c2 and ?{sub D*0°} = (273 ± 12 ± 17 ± 45) MeV. The stated errors reflect the statistical and systematic uncertainties, and the uncertainty related to the assumed composition of signal events and the theoretical model.
Book Synopsis Dalitz Plot Analysis of B+- --] Pi+-pi+-pi-+ Decays by :
Download or read book Dalitz Plot Analysis of B+- --] Pi+-pi+-pi-+ Decays written by and published by . This book was released on 2009 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present a Dalitz-plot analysis of charmless B{sup ±} decays to the final state [pi]{sup ±}[pi]{sup ±}[pi]{sup {-+}} using a sample of (465 ± 5) x 106 B{bar B} pairs collected by the BABAR experiment at √s = 10.58 GeV. They measure the branching fractions [Beta](B{sup ±} → [pi]{sup ±}[pi]{sup ±}[pi]{sup {-+}}) = (15.2 ± 0.6 ± 1.2 ± 0.4) x 10−6, [Beta](B{sup {+-}} → [rho]°(770)[pi]{sup {+-}}) = (8.1 {+-} 0.7 {+-} 1.2{sub -1.1}{sup +0.4}) x 10−6, [Beta](B{sup {+-}} → f2(1270)[pi]{sup {+-}}) = (1.57 {+-} 0.42 {+-} 0.16{sub -0.19}{sup +0.53}) x 10−6, and [Beta](B{sup {+-}} → [pi]{sup {+-}}[pi]{sup {+-}}[pi]{sup {-+}} nonresonant) = (5.3 {+-} 0.7 {+-} 0.6{sub -0.5}{sup +1.1}) x 10−6, where the uncertainties are statistical, systematic, and model-dependent, respectively. Measurements of branching fractions for the modes B{sup {+-}} → [rho]°(1450)[pi]{sup {+-}} and B{sup {+-}} → f0(1370)[pi]{sup {+-}} are also presented. They observe no significant direct CP asymmetries for the above modes, and there is no evidence for the decays B{sup {+-}} → f0(980)[pi]{sup {+-}}, B{sup {+-}} → [chi]{sub c0}[pi]{sup {+-}}, or B{sup {+-}} → [chi]{sub c2}[pi]{sup {+-}}.
Book Synopsis Dalitz-plot Analysis of B0 -] Anti-D0 Pi Pi- by :
Download or read book Dalitz-plot Analysis of B0 -] Anti-D0 Pi Pi- written by and published by . This book was released on 2010 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report preliminary results from a study of the decay B° → {bar D}°??− using a data sample of 470.9 ± 2.8 million B{bar B} events collected with the BABAR detector at the?(4S) resonance. Using the Dalitz-plot analysis technique, they find contributions from the intermediate resonances D*2(2460)−, D*0(2400)−,?(770)° and f2(1270) as well as a?+?− S-wave term, a {bar D}°?− nonresonant S-wave term and a virtual D*(2010) amplitude. They measure the branching fractions of the contributing decays.
Book Synopsis Dalitz Plot Analysis of $B^0_d \to K+ \pi^- \pi^0$ Decays by : Zhitang Yu
Download or read book Dalitz Plot Analysis of $B^0_d \to K+ \pi^- \pi^0$ Decays written by Zhitang Yu and published by . This book was released on 2006 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes a Dalitz plot analysis of B{sup 0} {yields} K{sup +}{pi}{sup -}{pi}{sup 0} decays. The data sample comprises 213 million {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at the Stanford Linear Accelerator Center in California (SLAC). Preliminary results are presented for measurements of the inclusive branching fraction, quasi-two-body fractions and CP-violating charge asymmetries for intermediate states including K*(892){sup +}{pi}{sup -} and {rho}(770){sup -}K{sup +}. Observations of B{sup 0} decays to the K{pi} S-wave intermediate states, K*{sub 0}(1430){sup +}{pi}{sup -} and K*{sub 0}(1430){sup 0}{pi}{sup 0}, are reported. Evidence of the decay B{sup 0} {yields} K*(892){sup 0}{pi}{sup 0} is seen. We set upper limits at 90% confidence level on branching fractions of the nonresonant and other less significant intermediate states.
Book Synopsis Dalitz Plot Analysis of the Decay D+ --> K− [pi]+ [pi]+ by : Daniel Podolsky
Download or read book Dalitz Plot Analysis of the Decay D+ --> K− [pi]+ [pi]+ written by Daniel Podolsky and published by . This book was released on 1998 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Time-dependent Dalitz-Plot Analysis of the Charmless Decay B0̂ -] K0̂S Pi Pi- at BABAR. by :
Download or read book Time-dependent Dalitz-Plot Analysis of the Charmless Decay B0̂ -] K0̂S Pi Pi- at BABAR. written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A time-dependent amplitude analysis of B° → K{sub S}°??− decays is performed in order to extract the CP violation parameters of f0(980)K{sub S}° and?°(770)K{sub S}° and direct CP asymmetries of K*+(892)?−. The results are obtained from the final BABAR data sample of (465 ± 5)106 B{bar B} decays, collected with the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. The time dependent CP asymmetry for f0(980)K{sub S}° and?°(770)K{sub S}° are measured to be S(f0(980)K{sub S}°) = -0.97 ± 0.09 ± 0.01 ± 0.01, and S(?°(770)K{sub S}°) = 0.67 ± 0.20 ± 0.06 ± 0.04, respectively. In decays to K*+(892)?− the direct CP asymmetry is found to be A{sub CP}(K*{sup ±}(892)?{sup {-+}}) = -0.18 ± 0.10 ± 0.04 ± 0.00. The relative phases between B° → K*+(892)?− and {bar B}° → K*−(892)?+, relevant for the extraction of the unitarity triangle angle?, is measured to be??(K*(892)?) = (34.9 ± 23.1 ± 7.5 {+-} 4.7){sup o}, where uncertainties are statistical, systematic and model-dependent, respectively. Fit fractions, direct CP asymmetries and the relative phases of different other resonant modes have also been measured. A new method for extracting longitudinal shower development information from longitudinally unsegmented calorimeters is also presented. This method has been implemented as a part of the BABAR final particle identification algorithm. A significant improvement in low momenta muon identification at BABAR is obtained.
Book Synopsis Dalitz-Plot Analysis of the Decays B+/- -] K+/- Pi-/+ Pi+/- by : J. C. Chen
Download or read book Dalitz-Plot Analysis of the Decays B+/- -] K+/- Pi-/+ Pi+/- written by J. C. Chen and published by . This book was released on 2005 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report a Dalitz-plot analysis of the charmless hadronic decays of charged B mesons to the state K{sup {+-}} {pi}{sup {-+}}{pi}{sup {+-}}. Using a sample of 226.0 {+-} 2.5 million B{bar B}pairs collected by the BABAR detector, measure the magnitudes and phases of the intermediate resonant and nonresonant amplitudes both charge conjugate decays. We present measurements of the corresponding branching and their charge asymmetries that supersede those of previous BABAR analyses. We find the asymmetries to be consistent with zero.
Book Synopsis Dalitz Plot Analysis of the Decay B0(B0bar) to K+̂/- Pi-̂/+ Pi0 by :
Download or read book Dalitz Plot Analysis of the Decay B0(B0bar) to K+̂/- Pi-̂/+ Pi0 written by and published by . This book was released on 2008 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report a Dalitz-plot analysis of the charmless hadronic decays of neutral B mesons to K{sup ±}?{sup {-+}}?°. With a sample of (231.8 ± 2.6) x 106?(4S) → B{bar B} decays collected by the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC, they measure the magnitudes and phases of the intermediate resonant and nonresonant amplitudes for B° and {bar B}° decays and determine the corresponding CP-averaged branching fractions and charge asymmetries. The inclusive branching fraction and CP-violating charge asymmetry are measured to be?(B° → K?−?°) = (35.7{sub -1.5}{sup +2.6} ± 2.2) x 10−6, and?{sub CP} = -0.030{sub -0.051}{sup +0.045} ± 0.055 where the first errors are statistical and the second systematic. They observe the decay B° → K*°(892)?° with the branching fraction?(B° → K*°(892)?°) = (3.6{sub -0.8}{sup +0.7} ± 0.4) x 10−6. This measurement differs from zero by 5.6 standard deviations (including the systematic uncertainties). The selected sample also contains B° → {bar D}°?° decays where {bar D}° → K+?−, and they measure?(B° → {bar D}°?°) = (2.93 ± 0.17 {+-} 0.18) x 10−4.
Book Synopsis B0 --] K+ Pi- Pi0 Dalitz Plot Analysis by :
Download or read book B0 --] K+ Pi- Pi0 Dalitz Plot Analysis written by and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present preliminary results on the Dalitz plot analysis of B° --> K?−?° decays. The data sample comprises 213 million?(4S) --> B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. They report measurements of the inclusive branching fraction, quasi-two-body fractions and CP-violating charge asymmetries for intermediate states including K*(892)+?− and?(770)−K+. Observations of B° decays to the K?S-wave intermediate states, K0*(1430)+?− and K0*(1430)°?°, are reported. Evidence of the decay B° --> K*(892)°?° is seen. They set upper limits at 90% confidence level on branching fractions of the nonresonant and other less significant intermediate states.
Book Synopsis Preliminary Study of D0 ---] K PI PI0 Decays with Dalitz Plots by :
Download or read book Preliminary Study of D0 ---] K PI PI0 Decays with Dalitz Plots written by and published by . This book was released on 2002 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Particle physicists study the smallest particles and most basic rules of their interactions in humankind's current scope. The Charm Analysis Working Group (CWG) of the BaBar Collaboration studies decays involving the charm quark. They currently study mixing in D decays, an interesting and poorly understood phenomenon in current physics models. We, as part of the CWG, investigated the plausibility of using Dalitz plots and the BaBar analysis framework to study mixing in Wrong Sign (WS) D° 2!K[pi][pi]° decays. Others in the CWG have studied mixing in the 2-body decay, D° 2!K[pi]. The 3-body decay analyzed with the RooFitDalitz analysis package and Dalitz plots provides more information and another way of separating Doubly Cabibbo Suppressed Decays (DCSD) from mixing--which share the same end products. Through doing many simulations, we have demonstrated the usefulness of this approach. We selected D° 2!K[pi][pi]° events from Simulation Production run No. 4 (SP4) and BaBar's run 1 and run 2. We made Dalitz plots with this data. Now that we better understand Dalitz plots and software, we plan to select WS D° 2!K[pi][pi]° events and perform rate fits as discussed in BaBar Analysis Document (BAD) No. 443, as well as fits for several different decay times and resonances, in order to further distinguish DCSD from mixing.
Book Synopsis An Amplitude Analysis of the Decay B+- -] Pi+- Pi+- Pi- by : J. C. Chen
Download or read book An Amplitude Analysis of the Decay B+- -] Pi+- Pi+- Pi- written by J. C. Chen and published by . This book was released on 2005 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present a Dalitz-plot analysis of charmless B{sup {+-}} decays to the final state {pi}{sup {+-}}{pi}{sup {+-}}{pi}{sup {-+}} using 210 fb{sup -1} of data recorded by the BABAR experiment at {radical}s = 10.58 GeV. We measure the branching fractions {Beta}(B{sup {+-}} {yields} {pi}{sup {+-}}{pi}{sup {+-}}{pi}{sup {-+}}) = (16.2 {+-} 1.2 {+-} 0.9) x 10{sup -6} and {Beta}(B{sup {+-}} {yields} {rho}{sup 0}(770){pi}{sup {+-}}) = (8.8 {+-} 1.0 {+-} 0.6{sub -0.7}{sup +0.1}) x 10{sup -6}. Measurements of branching fractions for the quasi-two-body decays B{sup {+-}} {yields} {rho}{sup 0}(1450){pi}{sup {+-}}, B{sup {+-}} {yields} f{sub 0}(980){pi}{sup {+-}} and B{sup {+-}} f{sub 2}(1270){pi}{sup {+-}} are also presented. They observe no charge asymmetries for the above modes, and there is no evidence for the decays B{sup {+-}} {yields} {chi}{sub c0}{pi}{sup {+-}}, B{sup {+-}} {yields} f{sub 0}(1370){pi}{sup {+-}} and B{sup {+-}} {yields} {sigma}{pi}{sup {+-}}.
Book Synopsis Dalitz Analysis of D0 to K$0\atop{S}$[pi]+[pi]- and Measurement of the CKM Angle [gamma]a in Charged B± Decays to D(*) K± Decays by :
Download or read book Dalitz Analysis of D0 to K$0\atop{S}$[pi]+[pi]- and Measurement of the CKM Angle [gamma]a in Charged B± Decays to D(*) K± Decays written by and published by . This book was released on 2007 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite more than thirty years having elapsed since the discovery of CP violation, our understanding about the source and the nature of this phenomenon is still very limited. In the standard model of particle physics, CP violation is due to the presence of an non-irreducible weak phase in the Cabibbo-Kabayashi-Maskawa(CKM) matrix. Up to now, all the experimental results are in good agreement with the standard model. However, it is important for us to over-constrain the CKM quark-mixing matrix and explore the possibility of new physics beyond the standard model. The B meson provides an ideal place to measure CP violation due to its heavy mass and potentially large CP-violating effects. In particular, the angle [gamma] of the Unitary Triangle relating the elements of the CKM matrix is extremely crucial in terms of CP violation and constraints on the new physics models. Various methods using B- → D0K- decays have been proposed to measure based on the interference between the Vcb and Vub amplitudes. Despite the simple concept, the measurement turns out to be experimentally challenging due to the small branching fraction and the small value of [tau]B, the amplitude ratio between the two contributing Feynman diagrams. In this thesis a novel technique to measure [gamma] in B- → D(*) K- decay using a Dalitz plot analysis of D0 → K{sub s}[pi]+[pi]- is presented. Until the turn on of LHC b [1] later in the decade, this remains the most promising method to measure [gamma]. This thesis is roughly separated into two parts. The first part involves a study of hadron spectroscopy and the Dalitz plot analysis of the D0→ K$0\atop{S}$[pi]+[pi]-. The second part of the thesis involves the measurement of [gamma] in B- → D(*) K- using the results of the D0 → K$0\atop{S}$[pi]+[pi]- dalitz plot analysis.
Book Synopsis Nonresonant Contributions in B to Rho Pi Decay by :
Download or read book Nonresonant Contributions in B to Rho Pi Decay written by and published by . This book was released on 2002 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: We consider nonresonant contributions in the Dalitz plot analysis of B 2!?? 2!??−?° decay and their potential impact on the extraction of the CKM parameter?. In particular, we examine the role of the heavy mesons B* and B0, via the process B 2!?(B*, B0) 2!?+?−?°, and their interference with resonant contributions in the?-mass region. We discuss the inherent uncertainties and suggest that the effects may be substantially smaller than previously indicated.
Book Synopsis The Use of Early Data on B[r[underscore]arrow][rho][pi] Decays by :
Download or read book The Use of Early Data on B[r[underscore]arrow][rho][pi] Decays written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper reviews the Dalitz plot analysis for decays B[sup 0](anti-B[sup 0])[r[underscore]arrow][rho][pi][r[underscore]arrow][pi][sup+][pi][sup[minus]]pi[sup 0]. The authors discuss what can be learned about the ten parameters in this analysis from untagged and from tagged time-integrated data. The authors find that, with the important exception of the interesting CP violating quantity[alpha], the parameters can be determined from this data sample--and, hence, they can be measured at CLEO as well as at the asymmetric B factories. This suggests that the extraction of[alpha] from the time-dependent data sample can be accomplished with a smaller data sample (and, therefore, sooner) than would be required if all ten parameters were to be obtained from that time-dependent data sample alone. The authors also explore bounds on the shift of the true angle[alpha] from the angle measured from charged[rho] final states alone. These may be obtained prior to measurements of the parameters describing the neutral[rho] channel, which are expected to be small.
Book Synopsis Dalitz Plot Analyses of Charmless B Decays by : Z. Yu
Download or read book Dalitz Plot Analyses of Charmless B Decays written by Z. Yu and published by . This book was released on 2005 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present preliminary results of maximum-likelihood Dalitz plot analyses performed by the BABAR Collaboration of the charmless hadronic decays B{sup 0} {yields} K{sup +}{pi}{sup -}{pi}{sup 0}, B{sup +} {yields} K{sup +}{pi}{sup -}{pi}{sup +}, and B{sup +} {yields} {pi}{sup +}{pi}{sup -}{pi}{sup +}. We report inclusive decay rates, as well as fractions and phases for intermediate resonant decays. We also report CP-violating charge asymmetries for intermediate resonant decays of neutral B mesons.
Book Synopsis First Observation of the Charmless Decay B to K [pi]0[pi]0 and Study of Its Dalitz Plot Structure by :
Download or read book First Observation of the Charmless Decay B to K [pi]0[pi]0 and Study of Its Dalitz Plot Structure written by and published by . This book was released on 2012 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results for the first measurement of the inclusive branching and CP asymmetry of the charmless 3-body decay B+ → K+[pi]0[pi]0 are presented. The analysis uses a data sample with an integrated luminosity of 429.0 fb-1, recorded by the BABAR detector at the PEP-II asymmetric B Factory. This sample corresponds to 470.9 ±} 2.8 million B$\bar{B}$ pairs. Measurements of the branching fractions (B) and CP asymmetries (ACP) of some of the intermediate resonances in the K+[pi]0[pi]0 Dalitz plot are also presented.
Book Synopsis Studies of CP-Violation in Charmless Three-Body b-Hadron Decays by : Daniel O'Hanlon
Download or read book Studies of CP-Violation in Charmless Three-Body b-Hadron Decays written by Daniel O'Hanlon and published by Springer. This book was released on 2018-11-02 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights two essential analyses of data collected during the LHCb experiment, based on the Large Hadron Collider at CERN. The first comprises the first observation and studies of matter-antimatter asymmetries in two three-body b-baryon decays, paving the way for more precise measurements of the relatively unknown decay properties of b-baryon decays. The second is an analysis of a charged B meson decay to three charged pions, where previously large matter-antimatter asymmetries were observed in a model-independent analysis. Here a model of the decay amplitude is constructed using the unitarity-conserving ‘K-matrix’ model for the scalar contributions, so as to gain an understanding of how the previously observed matter-antimatter asymmetries arise; further, the model’s construction yields the most precise and comprehensive study of this decay mode to date.
![Download Dalitz Plot Analysis of B+- --] Pi+-pi+-pi-+ Decays PDF Online Free](https://books.google.com/books/content/images/frontcover/1wJ9AQAACAAJ?fife=w200-h370)
![Download Dalitz-plot Analysis of B0 -] Anti-D0 Pi Pi- PDF Online Free](https://books.google.com/books/content/images/frontcover/HpXKwQEACAAJ?fife=w200-h370)
![Download Dalitz Plot Analysis of the Decay D+ --> K− [pi]+ [pi]+ PDF Online Free](https://books.google.com/books/content/images/frontcover/cAK6YgEACAAJ?fife=w200-h370)
![Download Time-dependent Dalitz-Plot Analysis of the Charmless Decay B0̂ -] K0̂S Pi Pi- at BABAR. PDF Online Free](https://books.google.com/books/content/images/frontcover/XQ_OwQEACAAJ?fife=w200-h370)
![Download Dalitz-Plot Analysis of the Decays B+/- -] K+/- Pi-/+ Pi+/- PDF Online Free](https://books.google.com/books/content/images/frontcover/eWuDAQAACAAJ?fife=w200-h370)
![Download B0 --] K+ Pi- Pi0 Dalitz Plot Analysis PDF Online Free](https://books.google.com/books/content/images/frontcover/cev8wQEACAAJ?fife=w200-h370)
![Download Preliminary Study of D0 ---] K PI PI0 Decays with Dalitz Plots PDF Online Free](https://books.google.com/books/content/images/frontcover/uH1FAQAACAAJ?fife=w200-h370)
![Download An Amplitude Analysis of the Decay B+- -] Pi+- Pi+- Pi- PDF Online Free](https://books.google.com/books/content/images/frontcover/mxmwAQAACAAJ?fife=w200-h370)
![Download Dalitz Analysis of D0 to K$0\atop{S}$[pi]+[pi]- and Measurement of the CKM Angle [gamma]a in Charged B± Decays to D(*) K± Decays PDF Online Free](https://books.google.com/books/content/images/frontcover/2orMnQAACAAJ?fife=w200-h370)
![Download The Use of Early Data on B[r[underscore]arrow][rho][pi] Decays PDF Online Free](https://books.google.com/books/content/images/frontcover/KYy2DAEACAAJ?fife=w200-h370)
![Download First Observation of the Charmless Decay B to K [pi]0[pi]0 and Study of Its Dalitz Plot Structure PDF Online Free](https://books.google.com/books/content/images/frontcover/26heAQAACAAJ?fife=w200-h370)
