CERN Accelerating science

CERN Document Server Pronađeno je 215 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.70 sekundi 
1.
Measurement of shower development and its Molière radius with a four-plane LumiCal test set-up / FCAL Collaboration
A prototype of a luminometer, designed for a future e+e- collider detector, and consisting at present of a four-plane module, was tested in the CERN PS accelerator T9 beam. The objective of this beam test was to demonstrate a multi-plane tungsten/silicon operation, to study the development of the electromagnetic shower and to compare it with MC simulations. [...]
arXiv:1705.03885.- 2018-02-17 - 28 p. - Published in : Eur. Phys. J. C 78 (2018) 135 Article from SCOAP3: PDF; Fulltext: PDF; Main file: PDF;
2.
Performance of fully instrumented detector planes of the forward calorimeter of a Linear Collider detector / FCAL Collaboration
Detector-plane prototypes of the very forward calorimetry of a future detector at an $e^+e^-$ collider have been built and their performance was measured in an electron beam. The detector plane comprises silicon or GaAs pad sensors, dedicated front-end and ADC ASICs, and an FPGA for data concentration. [...]
arXiv:1411.4431; AIDA-PUB-2014-029; AIDA-PUB-2015-015.- Geneva : CERN, 2015-05-15 - 22 p. - Published in : JINST 10 (2015) P05009 Fulltext: PDF; IOP Open Access article: PDF; Preprint: AIDA-PUB-2015-015 - PDF; AIDA-PUB-2014-029 - PDF; External link: Preprint
3.
ECFA Detector R&D Panel, Review Report / FCAL Collaboration
Two special calorimeters are foreseen for the instrumentation of the very forward region of an ILC or CLIC detector; a luminometer (LumiCal) designed to measure the rate of low angle Bhabha scattering events with a precision better than 10−3 at the ILC and 10−2 at CLIC, and a low polar-angle calorimeter (BeamCal). [...]
arXiv:1411.4924 ; LC-DET-2014-010 ; LC-DET-2013-029 ; LC-DET-2013-029.
- 2014 - 61.
Full text - Preprint - Full text
4.
Study of the kinematic dependences of $\Lambda_b^0$ production in $pp$ collisions and a measurement of the $\Lambda_b^0 \rightarrow \Lambda_c^+ \pi^-$ branching fraction / LHCb collaboration
The kinematic dependences of the relative production rates, $f_{\Lambda_b^0}/f_d$, of $\Lambda_b^0$ baryons and $\bar{B}^0$ mesons are measured using $\Lambda_b^0 \rightarrow \Lambda_c^+ \pi^-$ and $\bar{B}^0 \rightarrow D^+ \pi^-$ decays. The measurements use proton-proton collision data, corresponding to an integrated luminosity of 1 fb$^{-1}$ at a centre-of-mass energy of 7 TeV, recorded in the forward region with the LHCb experiment. [...]
arXiv:1405.6842; CERN-PH-EP-2014-106; LHCB-PAPER-2014-004; CERN-PH-EP-2014-106; LHCB-PAPER-2014-004.- Geneva : CERN, 2014 - 19 p. - Published in : JHEP 08 (2014) 143 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; Supplementary related data file(s): ZIP; External link: Preprint
5.
Measurement of the resonant and CP components in $\overline{B}^0\rightarrow J/\psi \pi^+\pi^-$ decays / LHCb Collaboration
The resonant structure of the reaction $\overline{B}^0\rightarrow J/\psi \pi^+\pi^-$ is studied using data from 3 fb$^{-1}$ of integrated luminosity collected by the LHCb experiment, one-third at 7 Tev center-of-mass energy and the remainder at 8 Tev. The invariant mass of the $\pi^+\pi^-$ pair and three decay angular distributions are used to determine the fractions of the resonant and non-resonant components. [...]
arXiv:1404.5673; CERN-PH-EP-2014-069; LHCB-PAPER-2014-012; CERN-PH-EP-2014-069; LHCB-PAPER-2014-012.- Geneva : CERN, 2014-07-10 - 21 p. - Published in : Phys. Rev. D 90 (2014) 012003 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
6.
Evidence for the decay $B_c^+ \rightarrow J/\psi 3\pi^+ 2\pi^-$ / LHCb collaboration
Evidence is presented for the decay $B_c+\rightarrow J/\psi 3\pi^+2\pi^-$ using proton-proton collision data, corresponding to an integrated luminosity of 3fb$^{-1}$, collected with the LHCb detector. A signal yield of $32\pm8$ decays is found with a significance of 4.5 standard deviations. [...]
arXiv:1404.0287; CERN-PH-EP-2014-054; LHCB-PAPER-2014-009; CERN-PH-EP-2014-054; LHCB-PAPER-2014-009.- Geneva : CERN, 2014 - 17 p. - Published in : JHEP 05 (2014) 148 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
7.
Evidence for the decay $X(3872)\rightarrow\psi(2S)\gamma$ / LHCb collaboration
Evidence for the decay mode $X(3872)\rightarrow\psi(2S)\gamma$ in $B^+\rightarrow X(3872)K^+$ decays is found with a significance of 4.4 standard deviations. The analysis is based on a data sample of proton-proton collisions, corresponding to an integrated luminosity of 3fb$^{-1}$ collected with the LHCb detector, at centre-of-mass energies of 7 and 8TeV. [...]
arXiv:1404.0275; CERN-PH-EP-2014-050; LHCB-PAPER-2014-008; CERN-PH-EP-2014-050; LHCB-PAPER-2014-008.- Geneva : CERN, 2014-09 - 16 p. - Published in : Nucl. Phys. B 886 (2014) 665-680 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: arXiv:1404.0275 - PDF; S0550321314001941 - XML; Related data file(s): ZIP;
8.
Angular analysis of charged and neutral $B \to K \mu^+\mu^-$ decays / LHCb collaboration
The angular distributions of the rare decays $B^+ \to K^+\mu^+\mu^-$ and $B^0 \to K^0_{\rm\scriptscriptstyle S}\mu^+\mu^-$ are studied with data corresponding to 3$~$fb$^{-1}$ of integrated luminosity, collected in proton-proton collisions at 7 and 8$~$TeV centre-of-mass energies with the LHCb detector. The angular distribution is described by two parameters, $F_{\rm H}$ and the forward-backward asymmetry of the dimuon system $A_{\rm FB}$, which are determined in bins of the dimuon mass squared. [...]
arXiv:1403.8045; LHCB-PAPER-2014-007; CERN-PH-EP-2014-056; LHCB-PAPER-2014-007; CERN-PH-EP-2014-056.- Geneva : CERN, 2014 - 25 p. - Published in : JHEP 05 (2014) 082 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
9.
Differential branching fractions and isospin asymmetries of $B \to K^{(*)} \mu^+ \mu^-$ decays / LHCb collaboration
The isospin asymmetries of $B \to K\mu^+\mu^-$ and $B \to K^{*}\mu^+\mu^-$ decays and the partial branching fractions of the $B^0 \to K^0\mu^+\mu^-$, $B^+ \to K^+\mu^+\mu^-$ and $B^+ \to K^{*+}\mu^+\mu^-$ decays are measured as functions of the dimuon mass squared, $q^2$. The data used correspond to an integrated luminosity of 3 fb$^{-1}$ from proton-proton collisions collected with the LHCb detector at centre-of-mass energies of 7 TeV and 8 TeV in 2011 and 2012, respectively. [...]
arXiv:1403.8044; LHCB-PAPER-2014-006; CERN-PH-EP-2014-055; LHCB-PAPER-2014-006; CERN-PH-EP-2014-055.- Geneva : CERN, 2014 - 22 p. - Published in : JHEP 06 (2014) 133 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
10.
Study of beauty hadron decays into pairs of charm hadrons / LHCb collaboration
First observations of the decays $\Lambda_b^0 \to \Lambda_c^+ D_{(s)}^-$ are reported using data corresponding to an integrated luminosity of $3\,{\rm fb}^{-1}$ collected at 7 and 8 TeV center-of-mass energy in proton-proton collisions with the LHCb detector. In addition, the most precise measurement of the branching fraction ${\mathcal{B}(B_s^0 \to D^+D_s^-)}$ is made and a search is performed for the decays $B^0_{(s)} \to \Lambda_c^+ \Lambda_c^-$. [...]
arXiv:1403.3606; CERN-PH-EP-2014-033; LHCB-PAPER-2014-002; CERN-PH-EP-2014-033; LHCB-PAPER-2014-002.- Geneva : CERN, 2014-05-21 - 9 p. - Published in : Phys. Rev. Lett. 112 (2014) 202001 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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28 Coca, Cornelia
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