CERN Accelerating science

LCD Notes

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2018-08-23
18:28
Tracking and Flavour Tagging at FCC-hh / Perez Codina, Estel (CERN) ; Roloff, Philipp Gerhard (CERN)
Tagging heavy flavour jets is crucial for many aspects of the FCC-hh physics programme, such as Higgs and top measurements, as well as searches for physics Beyond the Standard Model. The wide physics programme at FCC-hh requires excellent b-tagging and c-tagging capabilities for jets over a large energy range. [...]
CERN-ACC-2018-0027; LCD-Note-2018-002.- Geneva : CERN, 2018 Fulltext: PDF;

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2018-07-16
18:42
Hit multiplicity approach to b-tagging in FCC-hh / Perez Codina, Estel (CERN) ; Roloff, Philipp Gerhard (CERN)
The FCC-hh project aims to study proton-proton collisions at $\sqrt{s}$=100 TeV. The ability to tag heavy flavour jets of high energy produced in those collisions will be crucial for many beyond the Standard Model searches such as Z' production. [...]
CERN-ACC-2018-0023; LCD-Note-2018-001.- Geneva : CERN, 2018 Fulltext: PDF;

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2013-09-27
11:55
Combined Fits of CLIC Higgs Results for the Snowmass Process / Simon, F ; Szalay, M ; Roloff, P /CERN Linear Collider Detector collaboration
This note presents three combined fits of CLIC Higgs physics results, a model- independent fit based on minimal assumptions and two model-dependent fits assuming that the total width is described by the sum of nine (seven) different visible final states with coupling parameters given by the deviation of the re- spective partial widths from their SM values. The input values are a snapshot of the CLIC Higgs analyses as of September 2013. [...]
LCD-Note-2013-012.- Geneva : CERN, 2013 - 8. Fulltext: PDF;

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2013-09-24
20:07
CLIC Detector Power Requirements / Gaddi, A ; Dannheim, D /CERN Linear Collider Detector collaboration
An estimate for the CLIC detector power requirements is outlined starting from the available data on power consumptions of the four LHC experiments and considering the differences between a typical LHC Detector (CMS) and the CLIC baseline detector concept. In particular the impact of the power pulsing scheme for the CLIC Detector electronics on the overall detector consumption is considered. [...]
LCD-Note-2013-011.- Geneva : CERN, 2013 Fulltext: PDF;

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2013-08-23
13:18
Shower development of particles with momenta from 10 to 100 GeV in the CALICE Scintillator-Tungsten HCAL / Lucaci-Timoce, A (CERN) /CERN Linear Collider Detector collaboration (CALICE)
We present a study of the showers initiated by high momentum (10 ≤ pbeam ≤ 100 GeV) electrons, pions and protons in the highly granular CALICE analogue scintillator-tungsten hadronic calorimeter. The data were taken at the CERN SPS in 2011. [...]
LCD-Note-2013-002; CALICE Analysis Note CAN-044; AIDA-NOTE-2015-011.- Geneva : CERN, 2013 - 46 p. Fulltext: AIDA-NOTE-2015-011 - PDF; LCD-Note-2013-002 - PDF;

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2013-08-13
09:56
CLIC inner detectors cooling simulations / Duarte Ramos, F. ; Gerwig, H. ; Villarejo Bermudez, M. /CERN Linear Collider Detector collaboration
The strict requirements in terms of material budget for the inner region of the CLIC detector concepts require the use of a dry gas for the cooling of the respective sen- sors. This, in conjunction with the compactness of the inner volumes, poses several challenges for the design of a cooling system that is able to fulfil the required detec- tor specifications. [...]
LCD-Note-2013-007.- Geneva : CERN, 2014 Fulltext: PDF;

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2013-08-12
16:37
Beam Profiling through Wire Chambing Tracking / Nash, W (CERN ; Boston U.) ; Grefe, C (CERN) /CERN Linear Collider Detector collaboration
This note describes the calibration of the Delay Wire Chambers (DWCs) used during test runs of CALICE’s Tungsten Digital Hadron Calorimeter (W-DHCAL) prototype in CERN’s SPS beam line (10 – 300 GeV)..
LCD-Note-2013-009; AIDA-NOTE-2015-013.- Geneva : CERN, 2013 - 15 p. Fulltext: AIDA-NOTE-2015-013 - PDF; LCD-Note-2013-009-final - PDF;

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2013-07-30
04:27
Measurement of the top Yukawa Coupling at a 1 TeV International Linear Collider using the SiD detector / Roloff, Philipp (CERN) ; Strube, Jan (CERN)
One of the detector benchmark processes investigated for the SiD Detailed Baseline Design (DBD) is given by: $e^+ e^- \to t\bar{t}H$, where H is the Standard Model Higgs boson of mass 125 GeV. [...]
arXiv:1307.7644 ; LCD-NOTE-2013-001.
- 2013. - 22 p.
Preprint

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2013-07-02
15:53
Differential Luminosity Measurement using Bhabha Events / Poss, Stephane ; Sailer, Andre /CERN Linear Collider Detector collaboration
A good knowledge of the luminosity spectrum is mandatory for many measurements at future e+e- colliders. As the beam-parameters determining the luminosity spectrum cannot be measured precisely, the luminosity spectrum has to be measured through a gauge process with the detector. [...]
LCD-Note-2013-008.- Geneva : CERN, 2013 Fulltext: PDF;

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2013-06-27
14:18
Measurement of sigma(ee->Hnunu)xBR(H->tautau) at CLIC @ 1.4 TeV / Münnich, A. /CERN Linear Collider Detector collaboration
This detector benchmark study evaluates the statistical precision with which the H -> tautau branching ratio times cross section can be measured at CLIC running at rout(s)= 1.4 TeV. Only the hadronic decays of taus are considered..
LCD-Note-2012-010.- Geneva : CERN, 2013 Fulltext: PDF;

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LCD Draft Notes (3) [chránené]