CERN Accelerating science

CERN Document Server Pronađeno je 99 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.60 sekundi 
1.
A new aerogel Cherenkov detector for DIRAC-II / Allkofer, Y (Zurich U.) ; Amsler, Claude (Zurich U.) ; Horikawa, S (Zurich U.) ; Regenfus, Christian (Zurich U.) ; Rochet, J (Zurich U.)
A new threshold Cherenkov detector using silica aerogel radiators is in operation in the DIRAC-II experiment at CERN. A duplex design was chosen to discriminate between kaons and protons in the momentum range 4-8 GeV/ c . [...]
DIRAC-PUB-2008-03.- 2008 - 4 p.

In : 6th International Workshop on Ring Imaging Cherenkov Counters, Trieste, Italy, 15 - 20 Oct 2007, pp.84-87
2.
Production and decay of $\eta^\prime$(958) and $\eta$(1440) in $\bar{p} p$ annihilation at rest / Amsler, Claude (U. Zurich (main)) ; Anisovich, A V (U. Bonn (main)) ; Baker, C A (Rutherford) ; Barnett, B M (U. Bonn (main)) ; Batty, C J (Rutherford) ; Blum, P (Karlsruhe U.) ; Braune, K (LMU Munich (main)) ; Credé, V (U. Bonn (main)) ; Crowe, K M (LBNL, Berkeley) ; Doser, M (CERN) et al.
We report on a study of four reactions in $\bar{\mathrm p}{\mathrm p}$ annihilation at rest, of $\bar{\mathrm p}{\mathrm p} \rightarrow 2\pi^ + 2\pi^-\eta$, $\bar{\mathrm p}{\mathrm p} \rightarrow 2\pi^ + 2\pi^- 2\pi^0$, $\bar{\mathrm p}{\mathrm p} \rightarrow 2\pi^ + 2\pi^-\gamma$ and $\bar{\mathrm p}{\mathrm p}\rightarrow 4\pi^0\eta$. The $\eta^\prime$ and the $\eta$(1440) are seen in their decays into $\pi^ + \pi^-\eta$, $\pi^0\pi^0\eta$ and $\pi^ + \pi^-\gamma$ ; no signal is seen in the $4\pi$ invariant mass distribution. [...]
2004 - 8 p. - Published in : Eur. Phys. J. C 33 (2004) 23-30
3.
US Cosmic Visions: New Ideas in Dark Matter 2017: Community Report / Battaglieri, Marco (INFN, Genoa) ; Belloni, Alberto (Maryland U.) ; Chou, Aaron (Fermilab) ; Cushman, Priscilla (Minnesota U.) ; Echenard, Bertrand (Caltech) ; Essig, Rouven (SUNY, Stony Brook) ; Estrada, Juan (Fermilab) ; Feng, Jonathan L. (UC, Irvine) ; Flaugher, Brenna (Fermilab) ; Fox, Patrick J. (Fermilab) et al.
This white paper summarizes the workshop "U.S. [...]
arXiv:1707.04591 ; FERMILAB-CONF-17-282-AE-PPD-T.
- 2017 - 113.
Fermilab Library Server (fulltext available) - Symmetry Magazine article - Full text - Fulltext
4.
AEgIS experiment: Towards antihydrogen beam production for antimatter gravity measurements / Mariazzi, Sebastiano (Stefan Meyer Inst. Subatomare Phys.) ; Aghion, Stefano (INFN, Milan ; Milan Polytechnic) ; Amsler, Claude (Bern U., LHEP) ; Ariga, Akitaka (Bern U., LHEP) ; Ariga, Tomoko (Bern U., LHEP) ; Belov, Alexandre S (Moscow, INR) ; Bonomi, Germano (INFN, Pavia ; INFM, Brescia) ; Bräunig, Philippe (Kirchhoff Inst. Phys.) ; Brusa, Roberto S (Trento U. ; INFN, Trento) ; Bremer, Johan (CERN) et al.
AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is an experiment that aims to perform the first direct measurement of the gravitational acceleration g of antihydrogen in the Earth’s field. A cold antihydrogen beam will be produced by charge exchange reaction between cold antiprotons and positronium excited in Rydberg states. [...]
2014 - 6 p. - Published in : Eur. Phys. J. D 68 (2014) 41
5.
Further Evidence for Low Energy Protonium Production in Vacuum / Lodi Rizzini, Evandro (U. Brescia ; INFN, Brescia) ; Venturelli, Luca (U. Brescia ; INFN, Brescia) ; Zurlo, Nicola (U. Brescia ; INFN, Brescia) ; Charlton, Michael (Swansea U.) ; Amsler, Claude, (Zurich U.) ; Bonomi, Germano (Brescia U. ; INFN, Pavia) ; Canali, Carlo (Zurich U.) ; Carraro, Carlo (INFN, Genoa ; Genoa U.) ; Fontana, Andrea (INFN, Pavia) ; Genova, Pablo (INFN, Pavia ; Pavia U.) et al.
We describe an experiment performed in the ATHENA apparatus in which there is evidence that the antiproton-proton bound state, protonium, has been produced at very low energies in vacuum following the interaction of cold antiprotons with a trapped cloud of molecular hydrogen ions. [...]
CERN-PH-EP-2012-215.
- 2012. - 25 p.
Full text - Draft (restricted)
6.
Search for supersymmetry in pp collisions at $\sqrt{s}$=7 TeV in events with a single lepton, jets, and missing transverse momentum / CMS Collaboration
Results are reported from a search for physics beyond the standard model in proton-proton collisions at a center-of-mass energy of 7 TeV, focusing on the signature with a single, isolated, high-transverse-momentum lepton (electron or muon), energetic jets, and large missing transverse momentum. The data sample comprises an integrated luminosity of 36 inverse picobarns, recorded by the CMS experiment at the LHC. [...]
arXiv:1107.1870; CERN-PH-EP-2011-084; CMS-SUS-10-006; CMS-SUS-10-006; CERN-PH-EP-2011-084.- Geneva : CERN, 2011 - 40 p. - Published in : JHEP 08 (2011) 156 Fulltext: PDF; Springer Open Access article: PDF;
7.
A search for excited leptons in pp Collisions at $\sqrt{s}$ = 7 TeV / CMS Collaboration
A search for excited leptons is carried out with the CMS detector at the LHC, using 36 inverse picobarns of pp collision data recorded at sqrt(s) = 7 TeV. The search is performed for associated production of a lepton and an oppositely charged excited lepton pp to l l*, followed by the decay l* to l gamma, resulting in the l l gamma final state, where l = electron or muon. [...]
arXiv:1107.1773; CERN-PH-EP-2011-081; CMS-EXO-10-016; CMS-EXO-10-016; CERN-PH-EP-2011-081.- Geneva : CERN, 2013-07-16 - 20 p. - Published in : Phys. Lett. B 704 (2011) 143-162 Elsevier Open Access article: PDF; Fulltext: PDF;
8.
Measurement of the Underlying Event Activity at the LHC with $\sqrt{s}$ = 7 TeV and Comparison with $\sqrt{s}$ = 0.9 TeV / CMS Collaboration
A measurement of the underlying activity in scattering processes with a hard scale in the several GeV region is performed in proton-proton collisions at sqrt(s) = 0.9 and 7 TeV, using data collected by the CMS experiment at the LHC. The production of charged particles with pseudorapidity |eta| < 2 and transverse momentum pT > 0.5 GeV/c is studied in the azimuthal region transverse to that of the leading set of charged particles forming a track-jet. [...]
arXiv:1107.0330; CERN-PH-EP-2011-059; CMS-QCD-10-010; CMS-QCD-10-010; CERN-PH-EP-2011-059.- Geneva : CERN, 2011 - 28 p. - Published in : JHEP 09 (2011) 109 Fulltext: PDF; Springer Open Access article: PDF; External link: Rivet analyses reference
9.
Missing transverse energy performance of the CMS detector / CMS Collaboration
During 2010 the LHC delivered pp collisions with a centre-of-mass energy of 7 TeV. In this paper, the results of comprehensive studies of missing transverse energy as measured by the CMS detector are presented. [...]
arXiv:1106.5048; CERN-PH-EP-2011-051; CMS-JME-10-009; CMS-JME-10-009; CERN-PH-EP-2011-051.- Geneva : CERN, 2011 - 56 p. - Published in : JINST 6 (2011) P09001 Fulltext: PDF; IOP Open Access article: PDF;
10.
Search for New Physics with a Monojet and Missing Transverse Energy in pp Collisions at $\sqrt{s}$ = 7 TeV / CMS Collaboration
A study of events with missing transverse energy and an energetic jet is performed using pp collision data at a centre-of-mass energy of 7 TeV. The data were collected by the CMS detector at the LHC, and correspond to an integrated luminosity of 36 inverse picobarns. [...]
arXiv:1106.4775; CERN-PH-EP-2011-070; CMS-EXO-11-003; CMS-EXO-11-003; CERN-PH-EP-2011-070.- Geneva : CERN, 2011 - 15 p. - Published in : Phys. Rev. Lett. 107 (2011) 201804 APS Open Access article: PDF; Fulltext: PDF; External link: Preprint

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