Search
Now showing items 11-20 of 320
Search for the rare decays B0s → μ+ μ− and B0 → μ+ μ-
(, , 2011-02-14)
A search for the decaysB0s→μ+μ−andB0→μ+μ−is performed with 0.37 fb−1ofppcollisions at√s=7 TeV collected by the LHCb experiment in 2011. The upper limits on the branching fractions areB(B0s→μ+μ−)<1.6×1 ...
Framework TDR for the LHCb Upgrade: Technical Design Report
(, , 2012-03-25)
This document is a Framework Technical Design Report for the upgrade of the LHCb experiment. It adds to the information in the Letter of Intent, in particular concerning the foreseen schedule, cost and ...
LHCb PID Upgrade Technical Design Report
(, , 2018-11-25)
The LHCb upgrade will take place in the second long shutdown of the LHC, currently scheduled to begin in 2018. The upgrade will enable the experiment to run at luminosities of 2 x10*33cm -2s-1 and will ...
Measurement of the CKM angle γ and B0s-B¯¯¯¯0s mixing frequency with B0s→D∓sh±π±π∓ decays
(, , 2021-03)
The CKM angle γ is measured for the first time from mixing-induced CP violation between B0s→D∓sK±π±π∓ and B¯¯¯¯0s→D±sK∓π∓π± decays reconstructed in proton-proton collision data corresponding to an ...
LHCb Trigger and Online Upgrade Technical Design Report
(, , 2014-03-21)
The LHCb experiment will be upgraded between 2018 and 2019 in order to reach unprecedented precision on the main observable of the b and c-quark sectors. This Technical Design Report addresses the ...
Search for long-lived particles decaying to jet pairs
(, , 2015-04-17)
A search is presented for long-lived particles with a mass between 25 and 50 GeV/c2 and a lifetime between 1 and 200ps in a sample of proton–proton collisions at a centre-of-mass energy of s√=7 TeV, ...
Forward production of Υ mesons in pp collisions at s√=7 and 8 TeV
(, , 2015-11-16)
The production of Υ mesons in pp collisions at s√=7 and 8 TeV is studied with the LHCb detector using data samples corresponding to an integrated luminosity of 1 fb−1 and 2 fb−1 respectively. The ...
Measurement of the forward Z boson production cross-section in pp collisions at s√=7 TeV
(, , 2015-08-10)
A measurement of the production cross-section for Z bosons that decay to muons is presented. The data were recorded by the LHCb detector during pp collisions at a centre-of-mass energy of 7 TeV, and ...
First measurement of time-dependent CP violation in B0s→K+K− decays
(, , 2013-10-25)
Direct and mixing-induced CP-violating asymmetries in B0s→K+K− decays are measured for the first time using a data sample of pp collisions, corresponding to an integrated luminosity of 1.0 fb−1, collected ...
Measurement of CP asymmetry in D0 → K−K+ and D0 → π −π + decays
(, , 2014-07)
Time-integrated CP asymmetries in D0 decays to the final states K−K+ and
π
−π
+ are measured using proton-proton collisions corresponding to 3 fb−1
of integrated
luminosity collected at centre-of-mass ...