We use the transverse momentum spectrum of leptons in the decay chain t → bW with W → lν to measure the helicity of the W bosons in the top quark rest frame. Our measurement uses a tt̅ sample isolated in 106 ± 4 pb-1 of data collected in pp̅ collisions at √s = 1.8 TeV with the CDF detector at the Fermilab Tevatron. Assuming a standard V-A weak decay, we find that the fraction of W’s with zero helicity in the top rest frame is F0 = 0.91 ± 0.37(stat)± 0.13(syst), consistent with the standard model prediction of F0= 0.70 for a top mass of 175 GeV/c2
We use the transverse momentum spectrum of leptons in the decay chain t --> bW with W --> l nu to me...
The W-boson helicity fractions in top-quark decays are measured with t (t) over bar events in the le...
This is the publisher's version, also available electronically from http://journals.aps.org/prd/abst...
We use the transverse momentum spectrum of leptons in the decay chain t → bW with W → lν to measure ...
We measure the branching fraction of the top quark to longitudinally and right-handed polarized W bo...
We present the first model-independent measurement of the helicity of W bosons produced in top quark...
The top quark is the sixth member of the quark family. Quarks are the fundamental particles which fo...
The top quark is the sixth member of the quark family. Quarks are the fundamental particles which fo...
We measure the branching fraction of the top quark to longitudinally and right-handed polarized W bo...
We present a new measurement of the top quark mass in tt̅ events in which both W bosons from top qua...
This Letter describes a direct measurement of the W boson total decay width, Γ W, using the Collider...
A measurement of the fraction, f{sup +}, of right-handed W bosons produced in top quark decays is pr...
We use the transverse momentum spectrum of leptons in the decay chain t --> bW with W --> l nu...
This is the publisher's version, also available electronically from http://link.springer.com/article...
Based on 85 pb-1 data of pp̅ collisions at √s = 1.8 TeV collected using the DØ detector at Fermilab ...
We use the transverse momentum spectrum of leptons in the decay chain t --> bW with W --> l nu to me...
The W-boson helicity fractions in top-quark decays are measured with t (t) over bar events in the le...
This is the publisher's version, also available electronically from http://journals.aps.org/prd/abst...
We use the transverse momentum spectrum of leptons in the decay chain t → bW with W → lν to measure ...
We measure the branching fraction of the top quark to longitudinally and right-handed polarized W bo...
We present the first model-independent measurement of the helicity of W bosons produced in top quark...
The top quark is the sixth member of the quark family. Quarks are the fundamental particles which fo...
The top quark is the sixth member of the quark family. Quarks are the fundamental particles which fo...
We measure the branching fraction of the top quark to longitudinally and right-handed polarized W bo...
We present a new measurement of the top quark mass in tt̅ events in which both W bosons from top qua...
This Letter describes a direct measurement of the W boson total decay width, Γ W, using the Collider...
A measurement of the fraction, f{sup +}, of right-handed W bosons produced in top quark decays is pr...
We use the transverse momentum spectrum of leptons in the decay chain t --> bW with W --> l nu...
This is the publisher's version, also available electronically from http://link.springer.com/article...
Based on 85 pb-1 data of pp̅ collisions at √s = 1.8 TeV collected using the DØ detector at Fermilab ...
We use the transverse momentum spectrum of leptons in the decay chain t --> bW with W --> l nu to me...
The W-boson helicity fractions in top-quark decays are measured with t (t) over bar events in the le...
This is the publisher's version, also available electronically from http://journals.aps.org/prd/abst...