|
Title
|
|
|
|
Measurement of cross sections for **b** jet production in events with a Z boson in collisions at =1.96 TeV
| |
|
Author
|
|
|
|
| |
|
Institution/Organisation
|
|
|
|
CDF Collaboration
| |
|
Abstract
|
|
|
|
| A measurement of the b jet production cross section is presented for events containing a Z boson produced in pp̅ collisions at √s=1.96 TeV, using data corresponding to an integrated luminosity of 2 fb-1 collected by the CDF II detector at the Tevatron. Z bosons are selected in the electron and muon decay modes. Jets are considered with transverse energy ET>20 GeV and pseudorapidity |η|<1.5 and are identified as b jets using a secondary vertex algorithm. The ratio of the integrated Z+b jet cross section to the inclusive Z production cross section is measured to be 3.32±0.53(stat)±0.42(syst)×10-3. This ratio is also measured differentially in jet ET, jet η, Z-boson transverse momentum, number of jets, and number of b jets. The predictions from leading-order Monte Carlo generators and next-to-leading-order QCD calculations are found to be consistent with the measurements within experimental and theoretical uncertainties. |
| |
|
Language
|
|
|
|
English
| |
|
Source (journal)
|
|
|
|
Physical review : D : particles, fields, gravitation, and cosmology / American Physical Society. - Ridge, N.Y., 2004 - 2015
Physical review : D : particles and fields. - Lancaster, Pa, 1970 - 2003
| |
|
Publication
|
|
|
|
Ridge, N.Y.
:
American Physical Society
,
2009
| |
|
ISSN
|
|
|
|
1550-7998
[print]
1550-2368
[online]
| |
|
Volume/pages
|
|
|
|
79
:5
(2009)
, p. 052008,1-052008,13
| |
|
ISI
|
|
|
|
000264762400015
| |
|
Full text (Publisher's DOI)
|
|
|
|
| |
|
Full text (open access)
|
|
|
|
| |
|