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  1. Article ; Online: Shielding assessment of high field (QED) experiments at the ELI-NP 10 PW laser system.

    Popovici, M A / Mitu, I O / Căta-Danil, Gh / Negoit Ă, F / Ivan, C

    Journal of radiological protection : official journal of the Society for Radiological Protection

    2017  Volume 37, Issue 1, Page(s) 176–188

    Abstract: High field quantum electrodynamics experiments will be conducted in the E6 experimental area of the Extreme Light Infrastructure-Nuclear Physics building. Here electrons and protons will be accelerated up to relativistic energies by multi-petawatt laser ... ...

    Abstract High field quantum electrodynamics experiments will be conducted in the E6 experimental area of the Extreme Light Infrastructure-Nuclear Physics building. Here electrons and protons will be accelerated up to relativistic energies by multi-petawatt laser beam-target interactions. In this respect, the requirements for radiological safety measures are similar to those associated with the operation of conventional high energy accelerators. The paper presents a FLUKA simulation approach to the shielding assessment of the individual experiments. Updated source terms were used in order to compute ambient dose equivalent rates throughout E6 and neighbouring areas and check the compliance of the results with legal dose constraints. We investigated the effectiveness of an 'all-purpose' beam dump at E6 and the practicality of local muon shielding.
    MeSH term(s) Computer Simulation ; Facility Design and Construction ; Humans ; Lasers ; Monte Carlo Method ; Occupational Exposure/analysis ; Particle Accelerators ; Radiation Dosage ; Radiation Protection/methods ; Radiometry/methods ; Romania
    Language English
    Publishing date 2017-03-20
    Publishing country England
    Document type Journal Article
    ZDB-ID 639411-5
    ISSN 1361-6498 ; 0952-4746
    ISSN (online) 1361-6498
    ISSN 0952-4746
    DOI 10.1088/1361-6498/37/1/176
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  2. Article ; Online: Radiological protection evaluation of the Bucharest Tandetron 3 MV accelerator.

    Mitu, I O / Floare, G / Ghiţă, D G / Moşu, D V / Căta-Danil, Gh

    Journal of radiological protection : official journal of the Society for Radiological Protection

    2015  Volume 35, Issue 2, Page(s) 285–295

    Abstract: Low energy heavy charged particle accelerators are generators of ionizing radiation, due to the ion beam interactions into the machine components, targets and surrounding materials. Nowadays there are available computational tools allowing realistic ... ...

    Abstract Low energy heavy charged particle accelerators are generators of ionizing radiation, due to the ion beam interactions into the machine components, targets and surrounding materials. Nowadays there are available computational tools allowing realistic estimates of radiation doses and residual activity of the activated components. These evaluations are further used to design the radiological safety system required by licensing and operation of the equipment.This paper presents results of measurements and numerical simulations of the radiation doses and residual activity, at the recently commissioned Bucharest 3 MV Cockcroft-Walton type Tandetron accelerator presently used mainly for Ion Beam Analysis (IBA) research.
    MeSH term(s) Computer Simulation ; Equipment Design ; Equipment Failure Analysis ; Hungary ; Models, Statistical ; Particle Accelerators/instrumentation ; Radiation Dosage ; Radiation Exposure/analysis ; Radiation Protection/instrumentation ; Radiation Protection/methods ; Radiometry/instrumentation ; Radiometry/methods ; Scattering, Radiation
    Language English
    Publishing date 2015-06
    Publishing country England
    Document type Evaluation Studies ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 639411-5
    ISSN 1361-6498 ; 0952-4746
    ISSN (online) 1361-6498
    ISSN 0952-4746
    DOI 10.1088/0952-4746/35/2/285
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  3. Article ; Online: Towards experiments at the new ELI-NP facility

    Balabanski D. L. / Cata-Danil G. / Filipescu D. / Gales S. / Negoita F. / Tesileanu O. / Ur C. A. / Ursu I. / Zamfir N. V.

    EPJ Web of Conferences, Vol 78, p

    2014  Volume 06001

    Abstract: The Extreme Light Infrastructure (ELI) Pan-European initiative represents a major step forward in quest for extreme electromagnetic fields. The Extreme Light Infrastructure – Nuclear Physics (ELI-NP) laboratory is one of the three pillars of the ELI ... ...

    Abstract The Extreme Light Infrastructure (ELI) Pan-European initiative represents a major step forward in quest for extreme electromagnetic fields. The Extreme Light Infrastructure – Nuclear Physics (ELI-NP) laboratory is one of the three pillars of the ELI project, that aims to use such extreme electromagnetic fields for nuclear physics and quantum electrodynamics research. At ELI-NP two ten petawatt high-power laser systems together with a very brilliant narrow-width γ beam are the main research tools. Here the current status of the project and the experimental program related to nuclear research, which is under preparation at ELI-NP, are presented.
    Keywords Physics ; QC1-999 ; Science ; Q
    Language English
    Publishing date 2014-01-01T00:00:00Z
    Publisher EDP Sciences
    Document type Article ; Online
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  4. Article: Band structure systematics and symmetries in even-even nuclei.

    Bucurescu / Cata-Danil / Ivascu / Ur

    Physical review. C, Nuclear physics

    1993  Volume 48, Issue 1, Page(s) R21–R24

    Language English
    Publishing date 1993-07
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209771-0
    ISSN 1089-490X ; 0556-2813 ; 2469-9985
    ISSN (online) 1089-490X
    ISSN 0556-2813 ; 2469-9985
    DOI 10.1103/physrevc.48.r21
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  5. Article ; Online: Gamma-ray fast-timing coincidence measurements from the 18O+18O fusion-evaporation reaction using a mixed LaBr3-HPGe array.

    Alharbi, T / Mason, P J R / Regan, P H / Podolyák, Zs / Mărginean, N / Nakhostin, M / Bowry, M / Bucurescu, D / Căta-Danil, G / Căta-Danil, I / Deleanu, D / Filipescu, D / Glodariu, T / Ghiţă, D / Mărginean, R / Mihai, C / Negret, A / Pascu, S / Sava, T /
    Stroe, L / Suliman, G / Zamfir, N V / Bruce, A M / Rodriguez Triguero, C / Bender, P C / Garg, U / Erduran, M N / Kusoglu, A / Bostan, M / Detistov, P / Alkhomashi, N / Sinha, A K / Chakrabarti, R / Ghugre, S S

    Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

    2012  Volume 70, Issue 7, Page(s) 1337–1339

    Abstract: We report on a gamma-ray coincidence analysis using a mixed array of hyperpure germanium and cerium-doped lanthanum tri-bromide (LaBr3:Ce) scintillation detectors to study nuclear electromagnetic transition rates in the pico-to-nanosecond time regime in ... ...

    Abstract We report on a gamma-ray coincidence analysis using a mixed array of hyperpure germanium and cerium-doped lanthanum tri-bromide (LaBr3:Ce) scintillation detectors to study nuclear electromagnetic transition rates in the pico-to-nanosecond time regime in 33,34P and 33S following fusion-evaporation reactions between an 18O beam and an isotopically enriched 18O implanted tantalum target. Energies from decay gamma-rays associated with the reaction residues were measured in event-by-event coincidence mode, with the measured time difference information between the pairs of gamma-rays in each event also recorded using the ultra-fast coincidence timing technique. The experiment used the good full-energy peak resolution of the LaBr3:Ce detectors coupled with their excellent timing responses in order to determine the excited state lifetime associated with the lowest lying, cross-shell, Iπ=4- "intruder" state previously reported in the N=19 isotone 34P. The extracted lifetime is consistent with a mainly single-particle M2 multipolarity associated with a f7/2→d5/2 single particle transition.
    Language English
    Publishing date 2012-07
    Publishing country England
    Document type Journal Article
    ZDB-ID 1142596-9
    ISSN 1872-9800 ; 0883-2889 ; 0969-8043
    ISSN (online) 1872-9800
    ISSN 0883-2889 ; 0969-8043
    DOI 10.1016/j.apradiso.2011.11.040
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    Ue I Zs.279: Show issues Location:
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  6. Article: Global systematics of unique parity quasibands in odd-A collective nuclei.

    Bucurescu / Cata-Danil / Ivascu / Stroe / Ur

    Physical review. C, Nuclear physics

    1994  Volume 49, Issue 4, Page(s) R1759–R1762

    Language English
    Publishing date 1994-04
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209771-0
    ISSN 1089-490X ; 0556-2813 ; 2469-9985
    ISSN (online) 1089-490X
    ISSN 0556-2813 ; 2469-9985
    DOI 10.1103/physrevc.49.r1759
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  7. Article: Description of the light barium isotopes in the interacting boson-fermion model.

    Bucurescu / Cata-Danil / Zamfir / Gizon

    Physical review. C, Nuclear physics

    1991  Volume 43, Issue 6, Page(s) 2610–2621

    Language English
    Publishing date 1991-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209771-0
    ISSN 1089-490X ; 0556-2813 ; 2469-9985
    ISSN (online) 1089-490X
    ISSN 0556-2813 ; 2469-9985
    DOI 10.1103/physrevc.43.2610
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  8. Article: Monopole transfer strength to 132,134Ba in (p,t) reactions and the interacting boson approximation.

    Cata-Danil / Bucurescu / Trache / Oros / Jaskola / Gollwitzer / Hofer / Deylitz / Valnion / Graw

    Physical review. C, Nuclear physics

    1996  Volume 54, Issue 4, Page(s) 2059–2062

    Language English
    Publishing date 1996-10
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209771-0
    ISSN 1089-490X ; 0556-2813 ; 2469-9985
    ISSN (online) 1089-490X
    ISSN 0556-2813 ; 2469-9985
    DOI 10.1103/physrevc.54.2059
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  9. Article ; Online: Precision Lifetime Measurements Using LaBr3 Detectors With Stable and Radioactive Beams

    Regan P.H. / Podolyák Zs. / Alharbi T. / Mason P.J.R. / Bruce A.M. / Townsley C. / Roberts O.J. / Mărginean N. / Mărginean R. / Ghită D. / Mullholland K. / Smith J.F. / Britton R. / Patel Z. / Nakhostin M. / Rice S. / Wilson E. / Alazemi N. / Alkhomashi N. /
    Bucurescu D. / Cata-Danil G. / Deleanu D. / Filipescu D. / Glodariu T. / Cata-Danil I. / Mihai C. / Negret A. / Nita C.R. / Sava T. / Stroe L. / Suliman G. / Detistov P. / Garg U. / Bender P.C. / Algora A. / Liddick S. / Cooper N. / Werner V. / Lalkovski S. / Kisyov S. / Browne F. / Söderström P.-A. / Watanabe H. / Sumikama T.

    EPJ Web of Conferences, Vol 63, p

    2013  Volume 01008

    Abstract: A range of high resolution gamma-ray spectroscopy measurements have been carried out using arrays which include a number of Cerium-doped Lanthanum-Tribromide (LrBr3(Ce)) scintillation detectors used in conjunction with high-resolution hyper-pure ... ...

    Abstract A range of high resolution gamma-ray spectroscopy measurements have been carried out using arrays which include a number of Cerium-doped Lanthanum-Tribromide (LrBr3(Ce)) scintillation detectors used in conjunction with high-resolution hyper-pure germanium detectors. Examples of the spectral and temporal responses of such set-ups, using both standard point radioactive sources 152Eu and 56Co, and in-beam fusionevaporation reaction experiments for precision measurements of nuclear excited states in 34P and 138Ce are presented. The current and future use of such arrays at existing (EURICA at RIKEN) and future (NUSTAR at FAIR) secondary radioactive beam facilities for precision measurements of excited nuclear state lifetimes in the 10 ps to 10 ns regime are also discussed.
    Keywords Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
    Language English
    Publishing date 2013-12-01T00:00:00Z
    Publisher EDP Sciences
    Document type Article ; Online
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  10. Article: Large fragmentation of the pairing-vibration

    Trache / Oros / Cata-Danil / Zell / von Brentano P / Graw / Hofer / Müller-Zanotti

    Physical review. C, Nuclear physics

    1994  Volume 49, Issue 4, Page(s) R1742–R1746

    Language English
    Publishing date 1994-04
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209771-0
    ISSN 1089-490X ; 0556-2813 ; 2469-9985
    ISSN (online) 1089-490X
    ISSN 0556-2813 ; 2469-9985
    DOI 10.1103/physrevc.49.r1742
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