CERN Accelerating science

CERN Preprints

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2015-04-24
07:48
ZZ production at high transverse momenta beyond NLO QCD / Campanario, Francisco ; Rauch, Michael ; Sapeta, Sebastian
We study the production of the four-lepton final state $l^+ l^- l^+ l^-$, predominantly produced by a pair of electroweak Z bosons, ZZ. [...]
arXiv:1504.05588 ; CERN-PH-TH-2015-079 ; FTUV-15-0329 ; IFIC-15-22 ; KA-TP-07-2015 ; LPN15-023.
- 2015. - 21 p.
Preprint - Full text

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2015-04-24
07:46
Luminosity goals for a 100-TeV pp collider / Hinchliffe, Ian ; Kotwal, Ashutosh ; Mangano, Michelangelo L ; Quigg, Chris ; Wang, Lian-Tao
We consider diverse examples of science goals that provide a framework to assess luminosity goals for a future 100-TeV proton-proton collider..
arXiv:1504.06108 ; CERN-PH-TH-2015-089 ; FERMILAB-CONF-15-125-E-T ; LBNL-176221.
- 2015. - 11 p.
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2015-04-23
14:09
Studies on heavy ion losses from collimation cleaning at the LHC / Hermes, PD (CERN, Geneva, Switzerland and University of Münster, Germany) ; Bruce, R (-) ; Jowett, JM (-) ; Redaelli, S (-) ; Salvachua, BM (-) ; Valentino, G (-) ; Wollmann, D (CERN, Geneva, Switzerland)
The LHC collimation system protects superconducting magnets from beam losses. [...]
CERN-ACC-2015-0037.
- 2014. - 5 p.
Full text

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2015-04-22
16:31
A study of $CP$ violation in $B^\mp \rightarrow Dh^\mp$ ($h=K,\pi$) with the modes $D \rightarrow K^\mp \pi^\pm \pi^0$, $D \rightarrow \pi^+\pi^-\pi^0$ and $D \rightarrow K^+K^-\pi^0$
An analysis of the decays of $B^\mp \rightarrow D K^\mp$ and $B^\mp \rightarrow D \pi^\mp $ is presented in which the $D$ meson is reconstructed in the three-body final states $K^\mp \pi^\pm \pi^0$, $\pi^+ \pi^- \pi^0$ and $K^+ K^- \pi^0$. [...]
CERN-PH-EP-2015-097 ; LHCB-PAPER-2015-014.
- 2015.
Fulltext - Previous draft version - Related data file(s)

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2015-04-22
15:51
RF design of the TW buncher for the CLIC drive beam injector / Shaker, Hamed (IPM, Tehran) /CTF3 collaboration
The CLIC is based on the two beams concept that one beam (drive beam) produces the required RF power to accelerate another beam (main beam). The drive beam is produced and accelerated up to 50MeV inside the CLIC drive beam injector. [...]
CLIC-Note-1050.- Geneva : CERN, 2015 - 21. Fulltext: PDF;

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2015-04-22
11:41
The Serial Link Processor for the Fast TracKer (FTK) processor at ATLAS / Biesuz, Nicolo Vladi (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Citraro, Saverio (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Luciano, Pierluigi (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Magalotti, Daniel (INFN Laboratori Nazionali di Frascati) ; Rossi, Enrico (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
The Associative Memory (AM) system of the Fast Tracker (FTK) processor has been designed to perform pattern matching using the hit information of the ATLAS experiment silicon tracker. [...]
ATL-DAQ-PROC-2015-004.
- 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Full text

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2015-04-22
07:50
A study of $CP$ violation in $B^\mp \rightarrow Dh^\mp$ ($h=K,\pi$) with the modes $D \rightarrow K^\mp \pi^\pm \pi^0$, $D \rightarrow \pi^+\pi^-\pi^0$ and $D \rightarrow K^+K^-\pi^0$ / LHCb collaboration
An analysis of the decays of $B^\mp \rightarrow D K^\mp$ and $B^\mp \rightarrow D \pi^\mp $ is presented in which the $D$ meson is reconstructed in the three-body final states $K^\mp \pi^\pm \pi^0$, $\pi^+ \pi^- \pi^0$ and $K^+ K^- \pi^0$. [...]
arXiv:1504.05442 ; CERN-PH-EP-2015-097 ; LHCB-PAPER-2015-014.
- 2015.
Preprint - Full text

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2015-04-21
18:39
Measurements of the Total and Differential Higgs Boson Production Cross Sections Combining the $H \rightarrow \gamma \gamma$ and $H \rightarrow ZZ ^{*}\rightarrow 4\ell$ Decay Channels at $\sqrt{s}=8$ TeV with the ATLAS Detector / ATLAS Collaboration
Measurements of the total and differential cross sections of Higgs boson production are performed using 20.3~fb$^{-1}$ of $pp$ collisions produced by the Large Hadron Collider at a center-of-mass energy of $\sqrt{s} = 8$ TeV and recorded by the ATLAS detector. [...]
CERN-PH-EP-2015-048 ; arXiv:1504.05833.
- 2015. - 6 p.
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2015-04-21
18:28
Search for high-mass diphoton resonances in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector / ATLAS Collaboration
This article describes a search for high-mass resonances decaying to a pair of photons using a sample of $20.3$ fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=8$ TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
CERN-PH-EP-2015-043 ; arXiv:1504.05511.
- 2015. - 14 p.
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2015-04-21
17:42
Top quark property measurements with ATLAS / Rudolph, Matthew Scott (Department of Physics, University of Toronto)
This contribution covers recent results on the properties of the top quark as measured with the ATLAS detector at the Large Hadron Collider, using data collected at center-of-mass energies of 7 and 8 TeV during 2011 and 2012. [...]
ATL-PHYS-PROC-2015-015.
- 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text

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