European Organization for Nuclear Research

Jets

Jets at CMS and the determination of their energy scale

2012-07-09, by Henning Kirschenmann

Jets are the experimental signatures of quarks and gluons produced in high-energy processes such as head-on proton-proton collisions.

Figure 1: Sketch of pp-collision and resulting collimated spray of particles, a jet.

The search for microscopic black holes, as of March 2012

2012-05-07, by Alexey Ferapontov

The search for microscopic black holes at the LHC is motivated by the hierarchy problem — the huge observed difference between the strengths of the electroweak and gravitational forces.

An example of a CMS event with large total transverse energy (S<sub>T</sub>=2.6 TeV) and high jet multiplicity (9 jets, denoted by light purple cones and lines).

Search for anomalous ttbar production in the highly-boosted all-hadronic final state

2012-04-11, by Achintya Rao

A search is presented for a massive particle, generically referred to as a Z′, decaying into a t-tbar pair.

A candidate event where the green lines correspond to the constituents of one type of top candidate, while the yellow ones correspond to the constituents of another type of top candidate. The solid lines are charged candidates, and the dotted lines are neutral candidates.

Ratios of dijet production cross sections as a function of the absolute difference in rapidity between jets in proton-proton collisions at sqrt(s) = 7 TeV

2012-04-03, by Achintya Rao

A study of dijet production in proton-proton collisions was performed at √s = 7 TeV for jets with pT > 35 GeV and |y| < 4.7[1] using data collected with the CMS detector at the LHC in 2010.

Ratios of the inclusive to exclusive dijet production rates as a function of the rapidity separation between the two jets
Subscribe to RSS - Jets