| Title: |
Top Quark Mass Measurement in the Lepton + Jets Channel Using a Matrix Element Method and \textit{in situ} Jet Energy Calibration |
| Authors: |
PAGLIARONE, Carmine Elvezio; CDF II Collaboration |
| Contributors: |
Pagliarone, Carmine Elvezio; CDF II, Collaboration |
| Publication Year: |
2010 |
| Collection: |
IRIS Unicas (Università degli Studi di Cassino e del Lazio Meridionale) |
| Subject Terms: |
High Energy Physic; Collider Physic; Top quark physics |
| Description: |
A precision measurement of the top quark mass mt is obtained using a sample of tt̅ events from pp̅ collisions at the Fermilab Tevatron with the CDF II detector. Selected events require an electron or muon, large missing transverse energy, and exactly four high-energy jets, at least one of which is tagged as coming from a b quark. A likelihood is calculated using a matrix element method with quasi-Monte Carlo integration taking into account finite detector resolution and jet mass effects. The event likelihood is a function of mt and a parameter ΔJES used to calibrate the jet energy scale in situ. Using a total of 1087 events in 5.6 fb-1 of integrated luminosity, a value of mt=173.0±1.2 GeV/c2 is measured. |
| Document Type: |
article in journal/newspaper |
| Language: |
English |
| Relation: |
volume:105 / 2010; issue:25; firstpage:252001-1; lastpage:252001-7; journal:PHYSICAL REVIEW LETTERS; https://hdl.handle.net/11580/19583 |
| DOI: |
10.1103/PhysRevLett.105.252001 |
| Availability: |
https://hdl.handle.net/11580/19583; https://doi.org/10.1103/PhysRevLett.105.252001; http://link.aps.org/doi/10.1103/PhysRevLett.105.252001 |
| Accession Number: |
edsbas.A8DE189D |
| Database: |
BASE |