CERN Accelerating science

CERN Document Server 216 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 0.61 secondi. 
1.
The Alpha Magnetic Spectrometer (AMS) on the International Space Station. I: Results from the test flight on the space shuttle / AMS Collaboration
The Alpha Magnetic Spectrometer (AMS) was flown on the space shuttle Discovery during flight STS-91 (June 1998) in a 51.7° orbit at altitudes between 320 and 390 km . A search for antihelium nuclei in the rigidity range 1– 140 GV was performed. [...]
2002 - 75 p. - Published in : Phys. Rep. 366 (2002) 331-405
- Published in : Phys. Rep. 380 (2003) 97-98
2.
LHCbDirac: Distributed computing in LHCb / Stagni, F (CERN) ; Charpentier, P (CERN) ; Graciani, R (Barcelona U.) ; Tsaregorodtsev, A (Marseille, CPPM) ; Closier, J (CERN) ; Mathe, Z (CERN) ; Ubeda, M (CERN) ; Zhelezov, A (U. Heidelberg (main)) ; Lanciotti, E (CERN) ; Romanovskiy, V (Serpukhov, IHEP) et al.
We present LHCbDirac, an extension of the DIRAC community Grid solution that handles LHCb specificities. The DIRAC software has been developed for many years within LHCb only. [...]
2012 - 10 p. - Published in : J. Phys.: Conf. Ser. 396 (2012) 032104
In : Computing in High Energy and Nuclear Physics 2012, New York, NY, USA, 21 - 25 May 2012, pp.032104
3.
Model-independent confirmation of the Z(4430) state / LHCb collaboration
The decay B0ψ(2S)K+π is analyzed using 3 fb1 of pp collision data collected with the LHCb detector. A model-independent description of the ψ(2S)π mass spectrum is obtained, using as input the Kπ mass spectrum and angular distribution derived directly from data, without requiring a theoretical description of resonance shapes or their interference. [...]
arXiv:1510.01951; CERN-PH-EP-2015-244; LHCB-PAPER-2015-038; CERN-PH-EP-2015-244; LHCB-PAPER-2015-038.- 2015-12-29 - 15 p. - Published in : Phys. Rev. D 92 (2015) 112009 APS Open Access article: PDF; Fulltext: 10.1103_PhysRevD.92.112009 - PDF; arXiv:1510.01951 - PDF; External link: Figures, tables and other information
4.
Measurement of CP violation and constraints on the CKM angle γ in B±DK± with DK0Sπ+π decays / LHCb collaboration
A model-dependent amplitude analysis of B±DK± with DK0Sπ+π decays is performed using proton-proton collision data, corresponding to an integrated luminosity of 1 fb1, recorded by LHCb at a centre-of-mass energy of 7 TeV in 2011. Values of the CP violation observables x± and y±, which are sensitive to the CKM angle γ, are measured to be x=+0.027±0.044+0.0100.008±0.001,y=+0.013±0.048+0.0090.007±0.003,x+=0.084±0.045±0.009±0.005,y+=0.032±0.048+0.0100.009±0.008, where the first uncertainty is statistical, the second systematic and the third arises from the uncertainty of the DK0Sπ+π amplitude model. [...]
arXiv:1407.6211; LHCB-PAPER-2014-017; CERN-PH-EP-2014-166; LHCB-PAPER-2014-017; CERN-PH-EP-2014-166.- Geneva : CERN, 2014-11 - 25 p. - Published in : Nucl. Phys. B 888 (2014) 169-193 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: S0550321314002934 - XML; arXiv:1407.6211 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP;
5.
Effective lifetime measurements in the B0sK+K, B0K+π and B0sπ+K decays / LHCb collaboration
Measurements of the effective lifetimes in the B0sK+K, B0K+π and B0sπ+K decays are presented using 1.0 fb1 of pp collision data collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The analysis uses a data-driven approach to correct for the decay time acceptance. [...]
arXiv:1406.7204; CERN-PH-EP-2014-127; LHCB-PAPER-2014-011; CERN-PH-EP-2014-127; LHCB-PAPER-2014-011.- Geneva : CERN, 2014-09-07 - 9 p. - Published in : Phys. Lett. B 736 (2014) 446-454 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP;
6.
First measurement of the charge asymmetry in beauty-quark pair production / LHCb collaboration
The difference in the angular distributions between beauty quarks and antiquarks, referred to as the charge asymmetry, is measured for the first time in bˉb pair production at a hadron collider. The data used correspond to an integrated luminosity of 1.0fb1 collected at 7TeV center-of-mass energy in proton-proton collisions with the LHCb detector. [...]
arXiv:1406.4789; CERN-PH-EP-2014-130; LHCB-PAPER-2014-023; CERN-PH-EP-2014-130; LHCB-PAPER-2014-023.- Geneva : CERN, 2014-08-20 - 9 p. - Published in : Phys. Rev. Lett. 113 (2014) 082003 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
7.
Observation of Z production in proton-lead collisions at LHCb / LHCb collaboration
The first observation of Z boson production in proton-lead collisions at a centre-of-mass energy per proton-nucleon pair of sNN=5 TeV is presented. The data sample corresponds to an integrated luminosity of 1.6 nb1 collected with the LHCb detector. [...]
arXiv:1406.2885; CERN-PH-EP-2014-126; LHCB-PAPER-2014-022; CERN-PH-EP-2014-126; LHCB-PAPER-2014-022.- Geneva : CERN, 2014 - 18 p. - Published in : JHEP 09 (2014) 030 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
8.
Search for CP violation in D±K0SK± and D±sK0Sπ± decays / LHCb collaboration
A search for CP violation in Cabibbo-suppressed D±K0SK± and D±sK0Sπ± decays is performed using pp collision data, corresponding to an integrated luminosity of 3~fb1, recorded by the LHCb experiment. The individual CP-violating asymmetries are measured to be AD±K0SK±CP=(+0.03±0.17±0.14)%AD±sK0Sπ±CP=(+0.38±0.46±0.17)%, assuming that CP violation in the Cabibbo-favoured decays is negligible. [...]
arXiv:1406.2624; CERN-PH-EP-2014-125; LHCB-PAPER-2014-018; LHCB-PAPER-2014-018; CERN-PH-EP-2014-125.- Geneva : CERN, 2014-10-03 - 19 p. - Published in : JHEP 10 (2014) 025 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF;
9.
Observation of the Λ0bJ/ψpπ decay / LHCb collaboration
The first observation of the Cabibbo-suppressed decay Λ0bJ/ψpπ is reported using a data sample of proton-proton collisions at 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb1. A prominent signal is observed and the branching fraction relative to the decay mode Λ0bJ/ψpK is determined to be $$ \frac{{\cal B}(\Lambda_b^0\rightarrow J/\psi p \pi^-)}{{\cal B}(\Lambda_b^0\rightarrow J/\psi p K^-)}=0.0824\pm0.0025\:(\text{stat})\pm0.0042\:(\text{syst}). [...]
arXiv:1406.0755; LHCB-PAPER-2014-020; CERN-PH-EP-2014-115; LHCB-PAPER-2014-020; CERN-PH-EP-2014-115.- Geneva : CERN, 2014 - 19 p. - Published in : JHEP 07 (2014) 103 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF;
10.
Precision measurement of the mass and lifetime of the Ξ0b baryon / LHCb collaboration
Using a proton-proton collision data sample corresponding to an integrated luminosity of 3 fb1 collected by LHCb at center-of-mass energies of 7 and 8 TeV, about 3800 Ξ0bΞ+cπ, Ξ+cpKπ+ signal decays are reconstructed. From this sample, the first measurement of the Ξ0b baryon lifetime is made, relative to that of the Λ0b baryon. [...]
arXiv:1405.7223; CERN-PH-EP-2014-107; LHCB-PAPER-2014-021; LHCB-PAPER-2014-021; CERN-PH-EP-2014-107.- Geneva : CERN, 2014-07-15 - 10 p. - Published in : Phys. Rev. Lett. 113 (2014) 032001 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP.ZIP; External link: Preprint

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228 LANCIOTTI, E
228 Lanciotti, E
42 Lanciotti, Elisa
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