HAL will be down for maintenance from Friday, June 10 at 4pm through Monday, June 13 at 9am. More information

# Measurement of the ratio of inclusive cross sections $\sigma (p\overline{p} \rightarrow Z + b jet)/ \sigma(p\overline{p}\rightarrow Z + jet)$ at $\sqrt{s}$ = 1.96 TeV

Abstract : Using the data collected with the DZero detector at sqrt(s)=1.96-TeV, for integrated luminosities of about 180 pb^{-1}, we have measured the ratio of inclusive cross sections for p+pbar->Z+bjet to p+pbar->Z+jet production. The inclusive Z+b-jet reaction is an important background to searches for the Higgs boson in associated ZH production at the Fermilab Tevatron collider. Our measurement is the first of its kind, and relies on the Z->e^+e^- and Z->mu^+mu^- modes. The combined measurement of the ratio yields 0.023 +/- 0.005 for hadronic jets with transverse momenta p_T>20 GeV/c and pseudorapidities |eta|<2.5, consistent with next-to-leading order predictions of the standard model.
Keywords :
Document type :
Journal articles

http://hal.in2p3.fr/in2p3-00023319
Contributor : Yvette Heyd Connect in order to contact the contributor
Submitted on : Thursday, November 18, 2004 - 10:49:27 AM
Last modification on : Monday, March 14, 2022 - 12:04:02 PM

### Citation

V.M. Abazov, B. Abbott, M. Abolins, B.S. Acharya, M. Adams, et al.. Measurement of the ratio of inclusive cross sections $\sigma (p\overline{p} \rightarrow Z + b jet)/ \sigma(p\overline{p}\rightarrow Z + jet)$ at $\sqrt{s}$ = 1.96 TeV. Physical Review Letters, American Physical Society, 2005, 94, pp.161801-1-161801-7. ⟨10.1103/PhysRevLett.94.161801⟩. ⟨in2p3-00023319⟩

Record views