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Related papers: Measurements of Parity-Violation Parameters at SLD

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We present a direct measurement of the parity-violation parameter $A_c$ in the coupling of the $Z^0$ to $c$-quarks with the SLD detector. The measurement is based on a sample of 530k hadronic $Z^0$ decays, produced with a mean electron-beam…

High Energy Physics - Experiment · Physics 2008-11-26 The SLD Collaboration , K. Abe

We present a direct measurement of the parity-violation parameter A_c. The measurement is based on 550k Z^0 decays collected by the SLD detector. The mean electron-beam polarization is |P_e| = 73 %. The tagging of c-quark events was…

High Energy Physics - Experiment · Physics 2007-05-23 The SLD Collaboration , K. Abe

We present measurements of $Z^0$ to heavy-quark coupling electroweak parameters, $R_b$, $R_c$, and parity-violation parameter $A_c$, from SLD. The measurements are based on approximately 550k hadronic $Z^0$ events collected in 1993-98.…

High Energy Physics - Experiment · Physics 2007-05-23 Masako Iwasaki , representing the SLD Collaboration

The parity violation parameters $A_b$ and $A_c$ of the $Zb{\bar b}$ and $Zc\bar{c}$ couplings have been measured directly, using the polar angle dependence of the polarized cross sections at the $Z^0$ pole. Bottom and charmed hadrons were…

High Energy Physics - Experiment · Physics 2008-11-26 SLD Collaboration , Kenji Abe

We present an improved direct measurement of the parity-violation parameter A_b in the Z boson-b quark coupling using a self-calibrating track-charge technique applied to a sample enriched in Z -> b b-bar events via the topological…

High Energy Physics - Experiment · Physics 2008-11-26 SLD Collaboration , Kenji Abe

We have made the first direct measurement of the parity-violating coupling of the Z^0 boson to the strange quark, A_s, using ~550,000 e^+e^- ->Z^0->hadrons events produced with a polarized electron beam and recorded by the SLD experiment.…

High Energy Physics - Experiment · Physics 2012-08-27 The SLD Collaboration

We present a new preliminary combination of measurements of the parity-violation parameter Ab made by the SLD collaboration using various experimental techniques. The techniques differ in detail, but in general a sample of bb events is…

High Energy Physics - Experiment · Physics 2007-05-23 The SLD Collaboration , K. Abe

Exploiting the manipulation of the SLC electron-beam polarization, we present precise direct measurements of the parity violation parameters A_c and A_b in the Z boson - c quark and Z boson - b quark coupling. Quark/antiquark discrimination…

High Energy Physics - Experiment · Physics 2008-11-26 SLD Collaboration , K. Abe

We present a new preliminary measurement of the parity-violation parameter Ab using a self-calibrating vertex-charge technique. In the SLD experiment we observe hadronic decays of polarized Z bosons produced in collisions between…

High Energy Physics - Experiment · Physics 2007-05-23 The SLD Collaboration , K. Abe

We present an updated direct measurement of the parity-violating coupling of the Z boson to strange quarks, A_s, derived from the full SLD data sample of approximately 550,000 hadronic decays of Z bosons produced with a polarized electron…

High Energy Physics - Experiment · Physics 2007-05-23 The SLD Collaboration , K. Abe

We present a preliminary direct measurement of the parity violating coupling of the Z boson to strange quarks, A_s, derived from a sample of approximately 300,000 hadronic decays of Z bosons produced with a polarized electron beam and…

High Energy Physics - Experiment · Physics 2007-05-23 Hermann Staengle , representing the SLD Collaboration

We report new direct measurements of the $Z^0$-lepton coupling asymmetry parameters $A_e$, $A_{\mu}$ and $A_{\tau}$, with polarized $Z^0$'s collected by the SLD detector at the SLAC Linear Collider. The parameters are extracted from the…

High Energy Physics - Experiment · Physics 2007-05-23 The SLD Collaboration , K. Abe

We present the measurements of the leptonic asymmetries in $Z^0$ decays measured by the SLD experiment at SLAC. A data sample of approximately 550,000 $Z^0$ bosons are used for the preliminary measurement of $A_{LR}(A_{e})$ and the leptonic…

High Energy Physics - Experiment · Physics 2007-05-23 Jorge P. Fernandez , representing the SLD Collaboration

The strong coupling alpha_s(M_Z^2) has been measured using hadronic decays of Z^0 bosons collected by the SLD experiment at SLAC. The data were compared with QCD predictions both at fixed order, O(alpha_s^2), and including resummed analytic…

High Energy Physics - Experiment · Physics 2008-11-26 K. Abe

We report results on two physics topics from the SLD experiment at the SLAC Linear Collider, using our full sample of 550,000 events of the type e+e- --> Z0 --> q-q(bar). The electron beam was polarized, enabling the quark and antiquark…

High Energy Physics - Experiment · Physics 2008-11-26 M. Kalelkar

We present selected new results on strong interaction physics from the SLD experiment at the SLAC Linear Collider (SLC), symmetry tests of b\bar{b}g vertex, the rate of secondary b\bar{b} production via gluon splitting, the B hadron energy…

High Energy Physics - Experiment · Physics 2007-05-23 Toshinori Abe , representing the SLD Collaboration

We present an overview of the electroweak physics program of the SLD experiment at the Stanford Linear Accelerator Center (SLAC). A data sample of 550K Z0 decays has been collected. This experiment utilizes a highly polarized electron beam,…

High Energy Physics - Experiment · Physics 2007-05-23 M. Woods

This paper presents measurements of the leptonic asymmetries in Z0 decays measured with the SLD detector. Using a data sample of approximately 500,000 Z0 bosons, we report preliminary values for A_e, A_mu and A_tau using both hadronic and…

High Energy Physics - Experiment · Physics 2007-05-23 K. G. Baird

We present direct measurements of the $Z^0$-lepton coupling asymmetry parameters, $A_e$, $A_\mu$, and $A_\tau$, based on a data sample of 12,063 leptonic $Z^0$ decays collected by the SLD detector. The $Z$ bosons are produced in collisions…

High Energy Physics - Experiment · Physics 2008-11-26 The SLD Collaboration , K. Abe , K. Abe , T. Akagi

We present a summary of the results of several electroweak measurements performed by the SLD experiment at the Stanford Linear Collider (SLC). Most of these results are preliminary and are based, unless otherwise indicated, on the full…

High Energy Physics - Experiment · Physics 2007-05-23 The SLD Collaboration , K. Abe
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