CERN Accelerating science

CERN Document Server 341 records found  1 - 10nextend  jump to record: Search took 0.75 seconds. 
1.
Primordial black holes and their gravitational-wave signatures / LISA Cosmology Working Group Collaboration
In the recent years, primordial black holes (PBHs) have emerged as one of the most interesting and hotly debated topics in cosmology. [...]
arXiv:2310.19857.
- 165 p.
Fulltext
2.
Channeling efficiency in a target-crystal assembly / Scandale, W (CERN) ; Cerutti, F (CERN) ; Esposito, L S (CERN) ; Garattini, M (CERN ; Imperial Coll., London) ; Gilardoni, S (CERN) ; Montesano, S (CERN) ; Natochii, A (CERN ; LPGP, Orsay ; Taras Shevchenko U.) ; Rossi, R (CERN) ; Smirnov, G I (CERN ; Dubna, JINR) ; Zhovkovska, V (CERN ; Taras Shevchenko U.) et al.
In view of possible future fixed target experiments requiring precisely steered charged particle beams, the UA9 Collaboration has undertaken experimental studies of the use of bent silicon crystals for this purpose. The channeling efficiency of positively charged particles inside the crystalline lattice has been investigated in detail for a setup with a tungsten target installed in front of the crystal. [...]
2020 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 467 (2020) 118-122
3.
Double-crystal setup measurements at the CERN SPS / Scandale, W. (CERN) ; Cerutti, F. (CERN) ; Esposito, L.S. (CERN) ; Garattini, M. (CERN ; Imperial Coll., London) ; Gilardoni, S. (CERN) ; Montesano, S. (CERN) ; Rossi, R. (CERN) ; Burmistrov, L. (Orsay, LAL) ; Dubos, S. (Orsay, LAL) ; Natochii, A. (CERN ; Orsay, LAL ; Taras Shevchenko U.) et al.
In this paper, we discuss an experimental layout for the two-crystals scenario at the Super Proton Synchrotron (SPS) accelerator. [...]
arXiv:1909.02756.
- 2019. - 6 p.
Fulltext
4.
Use of a hybrid semiconductor pixel detector as a precision beam monitor at CERN accelerator facilities / Natochii, A (Orsay, LAL ; Taras Shevchenko U. ; CERN) ; Murtas, F (CERN ; Frascati) ; Scandale, W (CERN) ; Alozy, J (CERN)
We describe the performance of the Timepix silicon detector operation at the SPS and H8 extracted beam line at CERN. Some detector calibration results and tuning will be discussed and a new cluster analysis algorithm, to reconstruct the particle hits, is described as well. [...]
2019 - 21 p. - Published in : JINST 14 (2019) P03018 Fulltext from Publisher: PDF;
5.
Commissioning and operation of the Cherenkov detector for proton Flux Measurement of the UA9 Experiment / Addesa, F.M. (INFN, Rome) ; Burmistrov, L. (Orsay, LAL) ; Breton, D. (Orsay, LAL) ; Cavoto, G. (INFN, Rome ; Rome U.) ; Chaumat, V. (Orsay, LAL) ; Dubos, S. (Orsay, LAL) ; Esposito, L. (CERN) ; Galluccio, F. (INFN, Naples) ; Garattini, M. (CERN ; Imperial Coll., London) ; Iacoangeli, F. (INFN, Rome) et al.
The UA9 Experiment at CERN-SPS investigates channeling processes in bent silicon crystals with the aim to manipulate hadron beams. Monitoring and characterization of channeled beams in the high energy accelerators environment ideally requires in-vacuum and radiation hard detectors. [...]
arXiv:1904.06178.- 2019-12-01 - 25 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 946 (2019) 162513 Fulltext: PDF;
6.
Characterisation of the fused silica surface quality with a $\beta$-source / Natochii, A (Orsay, LAL ; Taras Shevchenko U. ; CERN) ; Burmistrov, L (Orsay, LAL) ; Addesa, F (INFN, Rome) ; Bezshyyko, O (Taras Shevchenko U.) ; Breton, D (Orsay, LAL) ; Chaumat, V (Orsay, LAL) ; Cavoto, G (INFN, Rome) ; Dubos, S (Orsay, LAL) ; Gavrikov, Y (St. Petersburg, INP) ; Iacoangeli, F (INFN, Rome) et al.
A method to characterise the quality of a fused silica surface using a $\beta$-source is presented. Two fused silica bars ($5 \times 10 \times 400$ mm$^3$) were fabricated for the Cherenkov detector for proton Flux Measurement installed at vacuum chamber of the Super Proton Synchrotron at CERN. [...]
2018 - 7 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 910 (2018) 15-21 Fulltext: PDF;
7.
Search for heavy and excited fermions at LEP2 / Shevchenko, S. (Caltech)
2001 - 6 p. Fulltext: PDF;
In : 34th Rencontres de Moriond, Les Arcs, France, 13 - 20 Mar 1999, pp.321-326
8.
A New Boson with a Mass of 125 GeV Observed with the CMS Experiment at the Large Hadron Collider / CMS Collaboration
The Higgs boson was postulated nearly five decades ago within the framework of the standard model of particle physics and has been the subject of numerous searches at accelerators around the world. Its discovery would verify the existence of a complex scalar field thought to give mass to three of the carriers of the electroweak force—the W+, W–, and Z0 bosons—as well as to the fundamental quarks and leptons. [...]
Geneva : CERN, 2012 - 16 p. - Published in : Science 338 (2012) 1569-1575 Preprint: PDF; External link: Supplementary material
In : Breakthrough of the year
9.
Electroweak Measurements in Electron-Positron Collisions at W-Boson-Pair Energies at LEP / ALEPH Collaboration
Electroweak measurements performed with data taken at the electron-positron collider LEP at CERN from 1995 to 2000 are reported. The combined data set considered in this report corresponds to a total luminosity of about 3~fb$^{-1}$ collected by the four LEP experiments ALEPH, DELPHI, L3 and OPAL, at centre-of-mass energies ranging from $130~GeV$ to $209~GeV$ [...]
arXiv:1302.3415; CERN-PH-EP-2013-022; CERN-PH-EP-2013-022.- Geneva : CERN, 2013 - 126 p. - Published in : Phys. Rep. 532 (2013) 119-244 Draft (restricted): PDF; Fulltext: CERN-PH-EP-2013-022 - PDF; arXiv:1302.3415 - PDF; External link: Preprint
10.
Search for Charged Higgs bosons: Combined Results Using LEP data / ALEPH, DELPHI, L3 and OPAL Collaborations
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for pair-produced charged Higgs bosons in the framework of Two Higgs Doublet Models (2HDMs). The data of the four experiments are statistically combined. [...]
arXiv:1301.6065; CERN-PH-EP-2012-369; CERN-PH-EP-2012-369; LHWG-Note-2012-01; ALEPH-2012-001-PHYSICS-2012-001; DELPHI-2012-001-PHYS-953; L3-Note-2835; OPAL-PR433.- Geneva : CERN, 2013 - 18 p. - Published in : Eur. Phys. J. C 73 (2013) 2463 Draft (restricted): PDF; Fulltext: CERN-PH-EP-2012-369 - PDF; arXiv:1301.6065 - PDF; External link: Preprint

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See also: similar author names
9 Shevchenko, S I
20 Shevchenko, S N
5 Shevchenko, S V
132 Shevchenko, S.
12 Shevchenko, Sergey
1 Shevchenko, Sergey V
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