Search for W pair production with dilepton decay modes at D0
Conference
·
OSTI ID:10186323
We present the results of a search of 13.5 pb{sup {minus}1} of p{bar p} collisions at {radical}s = 1.8 TeV for WW {yields} dileptons + X using the DO detector. One WW {yields} e{mu}v{bar v} + X candidate was found with an expected background of about 0.96 {plus_minus} 0.44 events. One WW {yields} e{mu}v{bar v} + candidate was found with an expected background of about 1.23 {plus_minus} 0.87 events. The 95% C.L. upper limit for the W pair production cross section is 133 pb without background subtraction. Making the constraint {kappa} = 1 ({Delta}{kappa} = 0) implies {minus}2.6 {le} {gamma} {le} 2.7 (95% C.L.) and making the constraint {gamma} = 0 implies {minus} 3.3 {le} {Delta}{kappa} {le} 3.5 (95% C.L.) assuming {kappa}{sub {gamma}} = {kappa}{sub {Zeta}} and {lambda}{sub {gamma}} = {lambda}{sub {Zeta}}. We also present the contour of excluded couplings when {kappa} and {lambda} are allowed to simultaneously vary from their standard model values.
- Research Organization:
- Fermi National Accelerator Lab., Batavia, IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 10186323
- Report Number(s):
- FNAL/C--94/285-E; CONF-940816--29; ON: DE95000724
- Country of Publication:
- United States
- Language:
- English
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