Measurement of the effective weak mixing angle in p(p)over-bar -> Z/gamma* -> l(+) l(-) events
File(s)
Published version
Author(s)
Type
Journal Article
Abstract
We present a measurement of the effective weak mixing angle parameter
sin
2
θ
ℓ
eff
in
p
¯
p
→
Z
/
γ
∗
→
μ
+
μ
−
events at a center-of-mass energy of 1.96 TeV, collected by the D0 detector at the Fermilab Tevatron Collider and corresponding to
8.6
fb
−
1
of integrated luminosity. The measured value of
sin
2
θ
ℓ
eff
[
μ
μ
]
=
0.23016
±
0.00064
is further combined with the result from the D0 measurement in
p
¯
p
→
Z
/
γ
∗
→
e
+
e
−
events, resulting in
sin
2
θ
ℓ
eff
[
comb
]
=
0.23095
±
0.00040
. This combined result is the most precise measurement from a single experiment at a hadron collider and is the most precise determination using the coupling of the
Z
/
γ
∗
to light quarks.
sin
2
θ
ℓ
eff
in
p
¯
p
→
Z
/
γ
∗
→
μ
+
μ
−
events at a center-of-mass energy of 1.96 TeV, collected by the D0 detector at the Fermilab Tevatron Collider and corresponding to
8.6
fb
−
1
of integrated luminosity. The measured value of
sin
2
θ
ℓ
eff
[
μ
μ
]
=
0.23016
±
0.00064
is further combined with the result from the D0 measurement in
p
¯
p
→
Z
/
γ
∗
→
e
+
e
−
events, resulting in
sin
2
θ
ℓ
eff
[
comb
]
=
0.23095
±
0.00040
. This combined result is the most precise measurement from a single experiment at a hadron collider and is the most precise determination using the coupling of the
Z
/
γ
∗
to light quarks.
Date Issued
2018-06-13
Date Acceptance
2018-06-01
Citation
Physical Review Letters, 2018, 120 (24), pp.241802-1-241802-8
ISSN
0031-9007
Publisher
American Physical Society
Start Page
241802-1
End Page
241802-8
Journal / Book Title
Physical Review Letters
Volume
120
Issue
24
Copyright Statement
© 2018 Published by the American Physical Society under the terms of
the Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0/).
Further distribution of this work must maintain attribution to
the author(s) and the published article’s title, journal citation,
and DOI.
.
the Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0/).
Further distribution of this work must maintain attribution to
the author(s) and the published article’s title, journal citation,
and DOI.
.
Identifier
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000435081500002&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
Subjects
Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
DETECTOR
Publication Status
Published
Article Number
ARTN 241802
Date Publish Online
2018-06-13