# CERN Preprints

Derniers ajouts:
2015-09-03
17:07
 How good is the R.M.S. as a measure of beam size ? / Hereward, H G CERN-MPS-DL-69-15. - 1969. - 19 p.

2015-09-03
10:36
 Higgs boson production in association with top quarks in CMS / Caminada, Lea Michaela (Zurich U.) /CMS Collaboration In this talk searches for Higgs bosons produced in association with top quarks are presented. The searches are performed using the data collected during the first LHC run at a center-of-mass energy of 7 and 8 TeV and results are presented for different Higgs boson decay final states, including bbbar, tautau, WW*/ZZ* and gg, as well as their combination. [...] CMS-CR-2015-151.- Geneva : CERN, 2015 - 6 p. Fulltext: PDF; In : 18th High-Energy Physics International Conference in Quantum Chromodynamics, Montpellier, France, 29 Jun - 03 Jul 2015

2015-09-03
10:36
 Higgs boson properties and tests of the Standard Model at CMS / Brandstetter, Johannes (Vienna, OAW) /CMS Collaboration The measurements of the Higgs boson properties, mass, spin/CP, couplings, off-shell cross sections and constraints on invisible width, as well as other Standard model measurements at CMS will be presented. The analysis is based on pp collision data collected at centre-of-mass energies of 7 and 8 TeV by the CMS experiment at the LHC, corresponding to integrated luminosities of 5/fb and 20/fb, respectively.. CMS-CR-2015-150.- Geneva : CERN, 2015 - 6 p. Fulltext: PDF; In : 18th High-Energy Physics International Conference in Quantum Chromodynamics, Montpellier, France, 29 Jun - 03 Jul 2015

2015-09-03
07:57
 Natural Heavy Supersymmetry / Batell, Brian ; Giudice, Gian F ; McCullough, Matthew We study how, as a result of the scanning of supersymmetry breaking during the cosmological evolution, a relaxation mechanism can naturally determine a hierarchy between the weak scale and the masses of supersymmetric particles. [...] arXiv:1509.00834 ; CERN-PH-TH-2015-215 ; PITT-PACC-1512. - 2015. - 42 p. Preprint - Full text

2015-09-03
07:55
 Measurement of forward $J/\psi$ production cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV / LHCb collaboration The production of $J/\psi$ mesons in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=13$ TeV is studied with the LHCb detector. [...] arXiv:1509.00771 ; LHCB-PAPER-2015-037 ; CERN-PH-EP-2015-222. - 2015. - 33 p. Preprint - Full text

2015-09-03
07:55
 Shower development of particles with momenta from 15 GeV to 150 GeV in the CALICE scintillator-tungsten hadronic calorimeter / CALICE collaboration We present a study of showers initiated by electrons, pions, kaons, and protons with momenta from 15 GeV to 150 GeV in the highly granular CALICE analogue scintillator-tungsten hadronic calorimeter. [...] arXiv:1509.00617. - 2015. - 35 p. Preprint

2015-09-02
17:29
 Study of the production of $\Lambda_b^0$ and $\overline{B}^0$ hadrons in $pp$ collisions and first measurement of the $\Lambda_b^0\rightarrow J/\psi pK^-$ branching fraction The product of the $\Lambda_b^0$ ($\overline{B}^0$) differential production cross-section and the branching fraction of the decay $\Lambda_b^0\rightarrow J/\psi pK^-$ ($\overline{B}^0\rightarrow J/\psi\overline{K}^*(892)^0$) is measured as a function of the beauty hadron transverse momentum, $p_{\rm T}$, and rapidity, $y$. [...] CERN-PH-EP-2015-223 ; LHCB-PAPER-2015-032. - 2015. Fulltext - Previous draft version - Related data file(s)

2015-09-02
14:42
 Capacitively coupled hybrid pixel assemblies for the CLIC vertex detector / Alipour Tehrani, Niloufar (Eidgenoessische Tech. Hochschule Zuerich (CH)) ; Arfaoui, Samir ; Mayoraz, Benoit (CERN) ; Dannheim, Dominik (CERN) ; Dette, Karola (Technische Universitaet Dortmund (DE)) ; Hynds, Daniel (CERN) ; Kulis, Szymon (CERN) ; Peric, Ivan (KIT - Karlsruhe Institute of Technology (DE)) ; Petric, Marko (CERN) ; Redford, Sophie (CERN) et al. The vertex detector at the proposed CLIC multi-TeV linear e+e- collider must have minimal material content and high spatial resolution, combined with accurate time-stamping to cope with the expected high rate of beam-induced backgrounds. One of the options being considered is the use of active sensors implemented in a commercial high-voltage CMOS process, capacitively coupled to hybrid pixel ASICs. [...] CLICdp-Pub-2015-003.- Geneva : CERN, 2015 - 12. Fulltext: PDF;

2015-09-02
14:05
 test2 / costa, flavio (cern) etstst CERN-PH-ESE-2015-001. - 2015. - 3 p.

2015-09-02
10:01
 CMS Forward and Small-x QCD Physics Results / Grebenyuk, Anastasia (Brussels U.) /CMS Collaboration An overview of the forward and small-x QCD physics programme at CMS is given. It covers the measurement of the leading charged particle and leading jet cross sections, soft diffractive cross section, dijet production with a large rapidity gap, exclusive WW production and constraints on Anomalous Quartic Gauge Couplings. [...] CMS-CR-2015-162.- Geneva : CERN, 2015 - 6 p. Fulltext: PDF; In : 18th High-Energy Physics International Conference in Quantum Chromodynamics, Montpellier, France, 29 Jun - 03 Jul 2015