W-boson mass determination from the threshold behavior of σtot(e +e −→W +W −)
The total cross-section of e +e −→W +W − has been studied in relation to the W-boson mass determination in the framework of the standard SU(2) × U(1) electroweak theory. We use the cross-section σ tot(e +e −→W +W −) including the leading logarithmic and heavy quark corrections, and also taking accou...
Saved in:
| Published in | Nuclear physics. B Vol. 316; no. 1; pp. 1 - 14 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
Elsevier B.V
03.04.1989
|
| Online Access | Get full text |
Cover
Loading…
| Summary: | The total cross-section of e
+e
−→W
+W
− has been studied in relation to the W-boson mass determination in the framework of the standard SU(2) × U(1) electroweak theory. We use the cross-section
σ
tot(e
+e
−→W
+W
−) including the leading logarithmic and heavy quark corrections, and also taking account of the finite W width effects in the final state. Taking the top quark mass and even α and
M
z as free parameters, we show that the behavior of
σ
tot(e
+e
−→W
+W
−) as a function of
M
W in the threshold region is quite universal as expected from tree level analyses, and therefore adequate for the kinematical W-mass determination. |
|---|---|
| ISSN: | 0550-3213 1873-1562 |
| DOI: | 10.1016/0550-3213(89)90383-0 |