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Does the W mass reconstruction survive QCD effects?

Sjöstrand, Torbjörn LU orcid and Khoze, Valery A. (1994) In Physical Review Letters 72(1). p.28-31
Abstract

In the hadronic decay mode of a pair of W bosons, e+e-→W+W-→q1q̄2q3qbar4, QCD interference effects can mix up the two color singlets q1q̄2 and q3q̄4, i.e., produce hadrons that cannot be uniquely assigned to either of W+ and W-. We show that interference is negligible for energetic perturbative gluon emission, and develop models to help us to estimate the nonperturbative effects. The total contribution to the systematic error on the W mass reconstruction may be as large as 40 MeV.

Please use this url to cite or link to this publication:
author
and
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Letters
volume
72
issue
1
pages
4 pages
publisher
American Physical Society
external identifiers
  • scopus:0001957365
ISSN
0031-9007
DOI
10.1103/PhysRevLett.72.28
language
English
LU publication?
no
id
88aaf889-79df-45c3-a472-68a6b9df29a3
date added to LUP
2019-05-02 21:57:21
date last changed
2021-05-23 06:18:35
@article{88aaf889-79df-45c3-a472-68a6b9df29a3,
  abstract     = {{<p>In the hadronic decay mode of a pair of W bosons, e+e-→W+W-→q1q̄2q3qbar4, QCD interference effects can mix up the two color singlets q1q̄2 and q3q̄4, i.e., produce hadrons that cannot be uniquely assigned to either of W+ and W-. We show that interference is negligible for energetic perturbative gluon emission, and develop models to help us to estimate the nonperturbative effects. The total contribution to the systematic error on the W mass reconstruction may be as large as 40 MeV.</p>}},
  author       = {{Sjöstrand, Torbjörn and Khoze, Valery A.}},
  issn         = {{0031-9007}},
  language     = {{eng}},
  month        = {{01}},
  number       = {{1}},
  pages        = {{28--31}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review Letters}},
  title        = {{Does the W mass reconstruction survive QCD effects?}},
  url          = {{http://dx.doi.org/10.1103/PhysRevLett.72.28}},
  doi          = {{10.1103/PhysRevLett.72.28}},
  volume       = {{72}},
  year         = {{1994}},
}