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Träfflista för sökning "WFRF:(Nilsson I) ;mspu:(conferencepaper)"

Sökning: WFRF:(Nilsson I) > Konferensbidrag

  • Resultat 1-10 av 172
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1.
  • Aamodt, K., et al. (författare)
  • Alignment of the ALICE Inner Tracking System with cosmic-ray tracks
  • 2010
  • Ingår i: Journal of Instrumentation. - 1748-0221. ; 5
  • Konferensbidrag (refereegranskat)abstract
    • ALICE (A Large Ion Collider Experiment) is the LHC (Large Hadron Collider) experiment devoted to investigating the strongly interacting matter created in nucleus-nucleus collisions at the LHC energies. The ALICE ITS, Inner Tracking System, consists of six cylindrical layers of silicon detectors with three different technologies; in the outward direction: two layers of pixel detectors, two layers each of drift, and strip detectors. The number of parameters to be determined in the spatial alignment of the 2198 sensor modules of the ITS is about 13,000. The target alignment precision is well below 10 mu m in some cases (pixels). The sources of alignment information include survey measurements, and the reconstructed tracks from cosmic rays and from proton-proton collisions. The main track-based alignment method uses the Millepede global approach. An iterative local method was developed and used as well. We present the results obtained for the ITS alignment using about 10(5) charged tracks from cosmic rays that have been collected during summer 2008, with the ALICE solenoidal magnet switched off.
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2.
  • Abgrall, N., et al. (författare)
  • The large enriched germanium experiment for neutrinoless double beta decay (LEGEND)
  • 2017
  • Ingår i: AIP Conference Proceedings. - : Author(s). - 1551-7616 .- 0094-243X. ; 1894
  • Konferensbidrag (refereegranskat)abstract
    • The observation of neutrinoless double-beta decay (0νββ) would show that lepton number is violated, reveal that neu-trinos are Majorana particles, and provide information on neutrino mass. A discovery-capable experiment covering the inverted ordering region, with effective Majorana neutrino masses of 15 - 50 meV, will require a tonne-scale experiment with excellent energy resolution and extremely low backgrounds, at the level of ∼0.1 count /(FWHM·t·yr) in the region of the signal. The current generation 76Ge experiments GERDA and the Majorana Demonstrator, utilizing high purity Germanium detectors with an intrinsic energy resolution of 0.12%, have achieved the lowest backgrounds by over an order of magnitude in the 0νββ signal region of all 0νββ experiments. Building on this success, the LEGEND collaboration has been formed to pursue a tonne-scale 76Ge experiment. The collaboration aims to develop a phased 0νββ experimental program with discovery potential at a half-life approaching or at 1028 years, using existing resources as appropriate to expedite physics results.
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3.
  • Reifarth, R., et al. (författare)
  • Nuclear astrophysics with radioactive ions at FAIR
  • 2016
  • Ingår i: Journal of Physics: Conference Series. - : IOP Publishing. - 1742-6588 .- 1742-6596. ; 665:1
  • Konferensbidrag (refereegranskat)abstract
    • The nucleosynthesis of elements beyond iron is dominated by neutron captures in the s and r processes. However, 32 stable, proton-rich isotopes cannot be formed during those processes, because they are shielded from the s-process flow and r-process beta-decay chains. These nuclei are attributed to the p and rp process. For all those processes, current research in nuclear astrophysics addresses the need for more precise reaction data involving radioactive isotopes. Depending on the particular reaction, direct or inverse kinematics, forward or time-reversed direction are investigated to determine or at least to constrain the desired reaction cross sections. The Facility for Antiproton and Ion Research (FAIR) will offer unique, unprecedented opportunities to investigate many of the important reactions. The high yield of radioactive isotopes, even far away from the valley of stability, allows the investigation of isotopes involved in processes as exotic as the r or rp processes.
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4.
  • Storck, Sonja, et al. (författare)
  • Lifetime measurement of the 26 0 g.s. At SAMURAI
  • 2020
  • Ingår i: Journal of Physics: Conference Series. - : IOP Publishing. - 1742-6588 .- 1742-6596. ; 1643:1
  • Konferensbidrag (refereegranskat)abstract
    • The ground state of the neutron unbound nucleus O is speculated to have a lifetime in the pico-second regime. In order to determine the decay lifetime of the O ground state with high sensitivity and precision, a new method has been applied. The experiment was performed in December 2016 at the Superconducting Analyzer for MUlti-particle from Radio Isotope Beams (SAMURAI) at the Radioactive Isotope Beam Factory (RIBF) at RIKEN. A F beam was produced in the fragment separator BigRIPS and impinged on a W/Pt target stack where O was produced. According to the lifetime, the decay of O happens either in or outside the target. Thus, the velocity difference between the decay neutrons and the fragment O delivers a characteristic spectrum from which the lifetime can be extracted.
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7.
  • Adiels, Lars, 1952-, et al. (författare)
  • Test of CP violation with K0 and K‾0 at LEAR
  • 1985
  • Ingår i: Physics with antiprotons at LEAR in the ACOL era. - Gif sur Yvette : Editions Frontières. - 2863320351 ; , s. 467-482
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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9.
  • Altstadt, S.G., et al. (författare)
  • B-13,B-14(n,gamma) via Coulomb Dissociation for Nucleosynthesis towards the r-Process
  • 2014
  • Ingår i: Nuclear Data Sheets. - : Elsevier BV. - 1095-9904 .- 0090-3752. ; 120, s. 197-200
  • Konferensbidrag (refereegranskat)abstract
    • Radioactive beams of 14,15B produced by fragmentation of a primary 40Ar beam were directed onto a Pb target to investigate the neutron breakup within the Coulomb field. The experiment was performed at the LAND/R3B setup. Preliminary results for the Coulomb dissociation cross sections as well as for the astrophysically interesting inverse reactions, 13,14B(n,γ), are presented.
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  • Resultat 1-10 av 172
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övrigt vetenskapligt/konstnärligt (105)
refereegranskat (66)
populärvet., debatt m.m. (1)
Författare/redaktör
Nilsson, Thomas, 196 ... (25)
Tengblad, O (15)
Jonson, Björn, 1941 (15)
Nilsson, L. (14)
Nilsson, S. (14)
Borge, M. J. G. (14)
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Fynbo, H. O. U. (14)
Nilsson, I. (13)
Galaviz, D. (12)
Aumann, T (11)
Riisager, K. (11)
Rossi, D (10)
Simon, H (10)
Boretzky, K. (10)
Nyman, Göran Hugo, 1 ... (10)
Perea, A. (10)
Nilsson, A (9)
Kurz, N (9)
Nilsson, C (9)
Cortina-Gil, D. (9)
Geissel, H. (9)
Nociforo, C. (9)
Weick, H. (9)
Nilsson, J. (8)
Heil, M (8)
Plag, R (8)
Reifarth, R (8)
Johansson, Håkan T, ... (8)
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Chatillon, A. (7)
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Panin, V. (7)
Wamers, F. (7)
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Nilsson, P. (6)
Marganiec, J (6)
Olsson, T (6)
Nilsson, G (6)
Lantz, Mattias, 1971 ... (6)
Kulessa, R. (6)
Nilsson, B (6)
Krucken, R. (6)
Aksyutina, Y. (6)
Tengblad, Olof, 1957 (6)
Nilsson, T (6)
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