Abazov, V. M. ; Mondal, N. K. ; et., al (2009) Direct Measurement of the W Boson Width Physical Review Letters, 103 (23). 231802_1-231802_7. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v103/i23/e231802
Related URL: http://dx.doi.org/10.1103/PhysRevLett.103.231802
Abstract
We present a direct measurement of the width of the W boson using the shape of the transverse mass distribution of W→ev candidate events. Data from approximately 1 fb-1 of integrated luminosity recorded at √s=1.96 TeV by the D0 detector at the Fermilab Tevatron pp̅ collider are analyzed. We use the same methods and data sample that were used for our recently published W boson mass measurement, except for the modeling of the recoil, which is done with a new method based on a recoil library. Our result, 2.028±0.072 GeV, is in agreement with the predictions of the standard model.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 87369 |
| Deposited On: | 17 Mar 2012 13:06 |
| Last Modified: | 17 Mar 2012 13:06 |
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