Measurement of sigma(pp -> b anti-b X) at \sqrt(s)=7 TeV in the forward region
LHCb Collaboration: R. Aaij, C. Abellan Beteta, B. Adeva, M. Adinolfi,, C. Adrover, A. Affolder, M. Agari, Z. Ajaltouni, J. Albrecht, F. Alessio, M., Alexander, M. Alfonsi, P. Alvarez Cartelle, A.A. Alves Jr, S. Amato, Y., Amhis, J. Amoraal, J. Anderson, R. Antunes Nobrega
TL;DR
This paper measures the production cross-section of b anti-b pairs in proton-proton collisions at 7 TeV within the forward region, providing key data for understanding heavy-flavor production at the LHC.
Contribution
It presents the first measurement of b anti-b production cross-section in the forward region at 7 TeV using decay channels involving D0 mesons and muons.
Findings
Measured cross-section: (75.3 +/- 5.4 +/- 13.0) microbarns
Pseudorapidity range: 2 < eta < 6
Results agree with theoretical predictions
Abstract
Decays of b hadrons into final states containing a D0 meson and a muon are used to measure the b anti-b production cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. In the pseudorapidity interval 2 < eta < 6 and integrated over all transverse momenta we find that the average cross-section to produce b-flavoured or anti-b-flavoured hadrons is (75.3 +/- 5.4 +/- 13.0) microbarns.
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