A Direct Measurement of $W$ Boson Decay Width

\tev\ collected using the D{\O}detector at Fermilab during the 1994-1995 run of the Tevatron, we present a direct measurement of the total decay width of the \wb\ boson,

\Gamma_W

. The width is determined from the transverse mass spectrum in the

W \to e+\nu_e

decay channel and found to be

\Gamma_W = 2.23^{+ 0.15}_{- 0.14}

(stat.)

\pm 0.10

(syst.)GeV, consistent with the expectation from the standard model.

Note:

12 pages, 6 figures

13.38.Be
14.70.Fm
D0
anti-p p: colliding beams
anti-p p: inclusive reaction
W: hadroproduction
W: leptonic decay
W: width
mass spectrum: transverse
DZERO

References(40)

Figures(6)

Partial Symmetries of Weak Interactions

S.L. Glashow
(
- Copenhagen U.
)

- Nucl.Phys. 22 (1961) 579-588,
- Also in *Lai, C. H. (Ed.): Gauge Theory Of Weak and Electromagnetic Interactions*, 171-180
•
DOI:
- 10.1016/0029-5582(61)90469-2

A Model of Leptons

Steven Weinberg
(
- MIT, LNS
)

- Phys.Rev.Lett. 19 (1967) 1264-1266,
- Also in *Lichtenberg, D. B. (ed.), Rosen, S. P. (ed.): Developments In The Quark Theory Of Hadrons, Vol. 1*, 157-159,
- In *Lai, C. H. (ed.): Gauge Theory Of Weak and Electromagnetic Interactions*, 185-187,
- In *Rosner, J. L. (ed.): New Particles*, 26-28
•
DOI:
- 10.1103/PhysRevLett.19.1264

Weak and Electromagnetic Interactions

Abdus Salam
(
- Imperial Coll., London and
- ICTP, Trieste
)

- Conf.Proc.C 680519 (1968) 367-377,
- Reprinted in *Lichtenberg, D. B. (ed.), Rosen, S. P. (ed.): Developments In The Quark Theory Of Hadrons, Vol. 1*, 160-170, and in *Lai, C. H. (ed.): Gauge Theory Of Weak and Electromagnetic Interactions*, 188-198,
- Also in *Rosner, J.L. (ed.): New particles* 29-39,
- Also in *Ali, A. (ed.) et al.: Selected papers of Abdus Salam* 244-254
•
DOI:
- 10.1142/9789812795915_0034

Asymptotically Free Gauge Theories - I

D.J. Gross
(
- Fermilab and
- Princeton U.
)
,
Frank Wilczek
(
- Princeton U.
)

- Phys.Rev.D 8 (1973) 3633-3652,
- Also in *Lichtenberg, D. B. (Ed.), Rosen, S. P. (Ed.): Developments In The Quark Theory Of Hadrons, Vol. 1*, 247-266,
- In *Mohapatra, R. N. (Ed.), Lai, C. H. (Ed.): Gauge Theories Of Fundamental Interactions*, 337-356
•
DOI:
- 10.1103/PhysRevD.8.3633

Nonabelian Gauge Theories of the Strong Interactions

Steven Weinberg
(
- Harvard U.
)

- Phys.Rev.Lett. 31 (1973) 494-497,
- Also in *Mohapatra, R. N. (ed.), Lai, C. H. (ed.): Gauge Theories Of Fundamental Interactions*, 357-360, and in *Froggatt, C.D., Nielsen, H.B.: Origin of symmetries* 256-259
•
DOI:
- 10.1103/PhysRevLett.31.494

Experimental Observation of Isolated Large Transverse Energy Electrons with Associated Missing Energy at $\sqrt{s}= 540$ GeV

UA1

Collaboration

•

G. Arnison
(
- Rutherford
)

et al.

- Phys.Lett.B 122 (1983) 103-116,
- ,
•
DOI:
- 10.1016/0370-2693(83)91177-2

Observation of Single Isolated Electrons of High Transverse Momentum in Events with Missing Transverse Energy at the CERN anti-p p Collider

UA2

Collaboration

•

M. Banner
(
- IRFU, Saclay
)

et al.

- Phys.Lett.B 122 (1983) 476-485,
•
DOI:
- 10.1016/0370-2693(83)91605-2

Experimental Observation of Lepton Pairs of Invariant Mass Around 95-GeV/c**2 at the CERN SPS Collider

UA1

Collaboration

•

G. Arnison
(
- Rutherford
)

et al.

- Phys.Lett.B 126 (1983) 398-410,
- In *Ithaca 1983, Proceedings, Lepton and Photon Interactions At High Energies*, 27-52,
- IN *BOLOGNA 1984, PROCEEDINGS, FIFTY YEARS OF WEAK-INTERACTION PHYSICS* 779-791. PHYS. LETT. B126 (1983) 398-410) AND CERN GENEVA - CERN-EP 83-073 (83,REC.JUN.) 32 P. (SEE CONFERENCE INDEX),
•
DOI:
- 10.1016/0370-2693(83)90188-0