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Observation of Direct CP Violation in Ks,l [right Arrow] [pi] [pi] Decays

Observation of Direct CP Violation in Ks,l [right Arrow] [pi] [pi] Decays PDF Author: Peter S. Shawhan
Publisher:
ISBN:
Category : CP violation (Nuclear physics)
Languages : en
Pages : 350

Book Description

Observation of Direct CP Violation in Ks,l [right Arrow] [pi] [pi] Decays

Observation of Direct CP Violation in Ks,l [right Arrow] [pi] [pi] Decays PDF Author: Peter S. Shawhan
Publisher:
ISBN:
Category : CP violation (Nuclear physics)
Languages : en
Pages : 350

Book Description

A Search for Direct CP Violation in the Decay K[L,S] [right Arrow] [pi]+[pi]−[gamma]

A Search for Direct CP Violation in the Decay K[L,S] [right Arrow] [pi]+[pi]−[gamma] PDF Author: Michael Christopher Ronquest
Publisher:
ISBN:
Category :
Languages : en
Pages : 710

Book Description

Observation of Direct CP Violation in B[sup 0] --] K[sup +]pi[sup -] Decays

Observation of Direct CP Violation in B[sup 0] --] K[sup +]pi[sup -] Decays PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

Book Description
The authors present an updated search for direct CP violation in the decay B[sup 0] --> K[sup +]pi[sup -]. Using 227 million [Upsilon](4S) --> B[bar B] decays collected with the BaBar detector at the PEP-II asymmetric-energy E[sup +]e[sup -] collider at SLAC, the authors observe a total signal yield of n(K-pi[sup +]) + n(K[sup +]pi[sup -]) = 1606 [+-] 51 decays and measure the asymmetry [n(K[sup -]pi[sup +])-n(K[sup +]pi[sup -])]/[n(K[sup -]pi[sup +])+n(K[sup +]pi[sup -])] = 0.133 [+-] 0.030(stat) [+-] 0.009(syst). This measurement establishes direct CP violation in the B[sup 0] meson system at the level of 4.2 standard deviations.

Observation of Direct CP Violation in B° --] Kpi− Decays

Observation of Direct CP Violation in B° --] Kpi− Decays PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 5

Book Description
The authors present an updated search for direct CP violation in the decay B° --> Kpi−. Using 227 million [Upsilon](4S) --> B{bar B} decays collected with the BaBar detector at the PEP-II asymmetric-energy Ee− collider at SLAC, the authors observe a total signal yield of n(K-pi+) + n(K+pi−) = 1606 ± 51 decays and measure the asymmetry [n(K−pi+)-n(K+pi−)]/[n(K−pi+)+n(K+pi−)] = 0.133 ± 0.030(stat) ± 0.009(syst). This measurement establishes direct CP violation in the B° meson system at the level of 4.2 standard deviations.

Observation of CP Violation in B0 to K+pi- and B0 to Pi+pi-

Observation of CP Violation in B0 to K+pi- and B0 to Pi+pi- PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 7

Book Description
The authors report observations of CP violation in the decays B° → K?− and B° →?+?− in a sample of 383 million?(4S) → B{bar B} events. They find 4372 ± 82 B° → K+?− decays and measure the direct Cp-violating charge asymmetry?{sub K?} = -0.107 ± 0.018(stat){sub -0.004}{sup +0.007}(syst), which excludes the CP-conserving hypothesis with a significance of 5.5 standard deviations. In the same sample they find 1139 ± 49 B° →?+?− decays and measure the CP-violating asymmetries S{sub??} = -0.60 ± 0.11(stat) ± 0.03(syst) and C{sub??} = -0.21 ± 0.09(stat) ± 0.02(syst). CP conservation in B° →?+{pi}− (S{sub {pi}{pi}} = C{sub {pi}{pi}} = 0) is excluded at a confidence level 1-C.L. = 8 x 10−8, corresponding to 5.4 standard deviations.

Observation of Direct-CP Violation -[epsilon][prime][epsilon] from KTeV.

Observation of Direct-CP Violation -[epsilon][prime][epsilon] from KTeV. PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

Book Description
The authors report the first KTeV measurement for the search of direct-CP violation by using 23% of the data sample collected in the 1996-97 fixed target run at Fermilab. The result is, Re([epsilon][prime]/[epsilon])= (28.0[+-] 4.1) x 10[sup -4], nearly 7[delta] above zero obtained by a blind analysis. This firmly establishes the long-sought direct-CP violation effect in the two-pion system ([pi][sup+][pi][sup -] versus[pi][sup 0][pi][sup 0]) of neutral kaon decays.

CP-violation in KL [right Arrow Pi+ Pi- Pi0]

CP-violation in KL [right Arrow Pi+ Pi- Pi0] PDF Author: Edward R. McCliment
Publisher:
ISBN:
Category : CP violation (Nuclear physics)
Languages : en
Pages : 16

Book Description

Measurements of CP Violation and K0charge Radius Using K[L][arrow][pi][pi]−ee− Decays

Measurements of CP Violation and K0charge Radius Using K[L][arrow][pi][pi]−ee− Decays PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

Book Description

An Observation of Direct-CP Violation -[epsilon][prime][epsilon] Result from KTeV.

An Observation of Direct-CP Violation -[epsilon][prime][epsilon] Result from KTeV. PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

Book Description
We report the first KTeV measurement for the search of direct-CP violation by using 23% of the data sample collected in the 1996-97 fixed target run at Fermilab. The result is, Re([epsilon][prime]/[epsilon])= (28.0[+-] 4.1) x 10[sup -4], nearly 7[delta] above zero obtained by a blind analysis. This firmly establishes the long-sought ''direct-CP violation'' effect in the two-pion system ([pi][sup+][pi][sup -] versus[pi][sup 0][pi][sup 0]) of neutral kaon decays. Other new measurements of[Delta]m, [tau][sub s], [Delta][phi] and a limit on the diurnal variation of[phi][sub+-] for testing CPT invariance from the same data sample are also presented.

Observation of Cp Violation in B DK Decays

Observation of Cp Violation in B DK Decays PDF Author: Paolo Gandini
Publisher:
ISBN: 9783319010304
Category :
Languages : en
Pages : 188

Book Description

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