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A measurement of the ATLAS di‐muons trigger efficiency in proton‐proton collisions at sqrt(s) = 7 TeV.
The B physics programme of the ATLAS experiment includes the study of the production cross sections, the searches for rare b decays signatures which are sensitive to new physics at the TeV energy scale and the measurements of CP violation effects in B-events, such as Bs0→J/ψφ and Bd0→J/ψKs0. The key...
| Autor principal: | |
|---|---|
| Lenguaje: | eng |
| Publicado: |
2012
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/1417847 |
| _version_ | 1780924098763816960 |
|---|---|
| author | Picazio, A |
| author_facet | Picazio, A |
| author_sort | Picazio, A |
| collection | CERN |
| description | The B physics programme of the ATLAS experiment includes the study of the production cross sections, the searches for rare b decays signatures which are sensitive to new physics at the TeV energy scale and the measurements of CP violation effects in B-events, such as Bs0→J/ψφ and Bd0→J/ψKs0. The key to the detection of these B signals in ATLAS is to achieve a high trigger efficiency for low-pT di-muons events, keeping an acceptable trigger rate. Atlas developed two separates approaches for triggering on di-muons events from a resonance such as J/ψ and Υ. The first approach is to start from a di-muons trigger selected by the Level-1 trigger while the second is based on dedicated Level-2 algorithm. The performance of di-muons trigger has been studied using collision data at
sqrt(s) =
7
TeV
in
2011
data. Results are shown and compared to MonteCarlo predictions. |
| id | cern-1417847 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2012 |
| record_format | invenio |
| spelling | cern-14178472019-09-30T06:29:59Zhttp://cds.cern.ch/record/1417847engPicazio, AA
measurement
of
the
ATLAS
di‐muons
trigger
efficiency
in
proton‐proton
collisions
at
sqrt(s) =
7
TeV.
Detectors and Experimental TechniquesThe B physics programme of the ATLAS experiment includes the study of the production cross sections, the searches for rare b decays signatures which are sensitive to new physics at the TeV energy scale and the measurements of CP violation effects in B-events, such as Bs0→J/ψφ and Bd0→J/ψKs0. The key to the detection of these B signals in ATLAS is to achieve a high trigger efficiency for low-pT di-muons events, keeping an acceptable trigger rate. Atlas developed two separates approaches for triggering on di-muons events from a resonance such as J/ψ and Υ. The first approach is to start from a di-muons trigger selected by the Level-1 trigger while the second is based on dedicated Level-2 algorithm. The performance of di-muons trigger has been studied using collision data at
sqrt(s) =
7
TeV
in
2011
data. Results are shown and compared to MonteCarlo predictions.ATL-DAQ-SLIDE-2012-009oai:cds.cern.ch:14178472012-01-20 |
| spellingShingle | Detectors and Experimental Techniques Picazio, A A measurement of the ATLAS di‐muons trigger efficiency in proton‐proton collisions at sqrt(s) = 7 TeV. |
| title | A
measurement
of
the
ATLAS
di‐muons
trigger
efficiency
in
proton‐proton
collisions
at
sqrt(s) =
7
TeV.
|
| title_full | A
measurement
of
the
ATLAS
di‐muons
trigger
efficiency
in
proton‐proton
collisions
at
sqrt(s) =
7
TeV.
|
| title_fullStr | A
measurement
of
the
ATLAS
di‐muons
trigger
efficiency
in
proton‐proton
collisions
at
sqrt(s) =
7
TeV.
|
| title_full_unstemmed | A
measurement
of
the
ATLAS
di‐muons
trigger
efficiency
in
proton‐proton
collisions
at
sqrt(s) =
7
TeV.
|
| title_short | A
measurement
of
the
ATLAS
di‐muons
trigger
efficiency
in
proton‐proton
collisions
at
sqrt(s) =
7
TeV.
|
| title_sort | a
measurement
of
the
atlas
di‐muons
trigger
efficiency
in
proton‐proton
collisions
at
sqrt(s) =
7
tev.
|
| topic | Detectors and Experimental Techniques |
| url | http://cds.cern.ch/record/1417847 |
| work_keys_str_mv | AT picazioa ameasurementoftheatlasdimuonstriggerefficiencyinprotonprotoncollisionsatsqrts7tev |