# CERN Accelerating science

These collections contains nTOF related documents.

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# n_TOF Conference Contributions

Nyeste elementer:
2018-11-07
06:32
 Cryogenic system of the Rome group gravitational wave experiment / Bronzini, F (INFN, Rome) ; Coccia, E (INFN, Rome ; Rome U.) ; Modena, I (INFN, Rome ; Rome U.) ; Rapagnani, P (INFN, Rome ; Rome U., Tor Vergata) ; Ricci, F (INFN, Rome ; Rome U., Tor Vergata) The main characteristics of a large cryostat constructed by the gravitational wave group of the University of Rome, to cool down to liquid helium temperature Weber-type gravitational wave antennas, 3 m long and weighing up to 5000 kg, are presented. The cryogenic system has the following features: continuous operation time with an interval of 1 day every 54 days to refill the cryostat; small temperature gradients in the experimental chamber where the antenna is located, and very high acoustic and seismic insulation giving attenuation of 250 dB at the antenna detection frequency of 900 Hz. [...] 1985 - 4 p. - Published in : Cryogenics 25 (1985) 234-237 In : 10th International Cryogenic Engineering Conference, Helsinki, Finland, 31 Jul - 3 Aug 1984, pp.234-237

2018-10-25
06:41
 Dose Effect Of The $^{33}$S(n,$\alpha$) $^{30}$Si Reaction In BNCT Using The New n_TOF-CERN Data / Sabaté-Gilarte, M (CERN ; Seville U.) ; Praena, J (Granada U.) ; Porras, I (Granada U.) ; Quesada, J M (Seville U.) /n_TOF $^{33}$S is a stable isotope of sulphur which is being studied as a potential cooperative target for Boron Neutron Capture Therapy (BNCT) in accelerator-based neutron sources because of its large (n,$\alpha$) cross section in the epithermal neutron energy range. Previous measurements resolved the resonances with a discrepant description of the lowest-lying and strongest one (at 13.5 keV). [...] 2018 - 4 p. - Published in : Radiat. Prot. Dosim. 180 (2018) 342-345 In : 13th Symposium on Neutron and Ion Dosimetry, Cracow, Poland, 13 - 19 May 2017, pp.342-345

2018-09-06
06:02
 DQM4HEP : A generic data quality monitoring for high energy physics / Été, R (Lyon, IPN) ; Pingault, A (Gent U.) ; Mirabito, L (Lyon, IPN) With increasingly sophisticated experiment, online Data Quality Monitoring (DQM) is of a significant importance for the detector and operation efficiency. Most experiments use their own Event Data Model (EDM) for data taking and built a dedicated monitoring system on top of it. [...] Oct. - 6 p. - Published in : 10.1109/NSSMIC.2016.8069668 In : IEEE Nuclear Science Symposium and Medical Imaging Conference, Strasbourg, France, 29 Oct - 6 Nov 2016, pp.8069668

2018-09-06
04:03
 Gain Stablization of SiPMs / Eigen, Gerald (Bergen U.) The gain of silicon photomultipliers (SiPMs) increases with bias voltage and decreases with temperature. [...] arXiv:1710.01648. - 19 p. Preprint

2018-05-23
06:00
 Measurement of the neutron capture cross section of the fissile isotope $^{235}$U with the CERN n_TOF total absorption calorimeter and a fission tagging based on micromegas detectors / Balibrea-Correa, J (Madrid, CIEMAT) ; Mendoza, E (Madrid, CIEMAT) ; Cano-Ott, D (Madrid, CIEMAT) ; Krtička, M (Charles U., Prague (main)) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andrzejewski, J (U. Lodz (main)) ; Audouin, L (Orsay, IPN) ; Bécares, V (Madrid, CIEMAT) ; Barbagallo, M (INFN, Bari) ; Bečvář, F (Charles U., Prague (main)) et al. /n_TOF The accuracy on neutron capture cross section of fissile isotopes must be improved for the design of future nuclear systems such as Gen-IV reactors and Accelerator Driven Systems. The High Priority Request List of the Nuclear Energy Agency, which lists the most important nuclear data requirements, includes also the neutron capture cross sections of fissile isotopes such as $^{233,235}$U and $^{239,241}$Pu. [...] 2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 11021 Fulltext: PDF; In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.11021

2018-05-23
06:00
 High accuracy $^{234}$U(n,f) cross section in the resonance energy region / n_TOF Collaboration New results are presented of the 234U neutron-induced fission cross section, obtained with high accuracy in the resonance region by means of two methods using the 235U(n,f) as reference. The recent evaluation of the 235U(n,f) obtained with SAMMY by L. [...] 2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 04057 Fulltext: PDF; In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.04057

2018-05-01
07:09
 The n_TOF facility: Neutron beams for challenging future measurements at CERN / Chiaveri, E (CERN ; U. Manchester (main) ; Seville U.) ; Aberle, O (CERN) ; Andrzejewski, J ; Audouin, L ; Bacak, M (CERN ; TU Vienna ; IRFU, Saclay) ; Balibrea, J ; Barbagallo, M ; Bečvář, F ; Berthoumieux, E ; Billowes, J et al. The CERN n_TOF neutron beam facility is characterized by a very high instantaneous neutron flux, excellent TOF resolution at the 185 m long flight path (EAR-1), low intrinsic background and coverage of a wide range of neutron energies, from thermal to a few GeV. These characteristics provide a unique possibility to perform high-accuracy measurements of neutron-induced reaction cross-sections and angular distributions of interest for fundamental and applied Nuclear Physics. [...] 2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 03001 Fulltext: PDF; External link: Fulltext In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.03001

2018-05-01
07:09
 $^7 \text{Be(n,} \alpha)$ and $^7 \text{Be(n,p)}$ cross-section measurement for the cosmological lithium problem at the n_TOF facility at CERN / Barbagallo, M (CERN) ; Colonna, N ; Aberle, O (CERN) ; Andrzejewski, J ; Audouin, L ; Bécares, V ; Bacak, M ; Balibrea, J ; Barros, S ; Bečvář, F et al. /n_TOF The Cosmological Lithium Problem refers to the large discrepancy between the abundance of primordial $^7$Li predicted by the standard theory of Big Bang Nucleosynthesis and the value inferred from the so-called “Spite plateau” in halo stars. A possible explanation for this longstanding puzzle in Nuclear Astrophysics is related to the incorrect estimation of the destruction rate of $^7$Be, which is responsible for the production of 95% of primordial Lithium. [...] 2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 01012 Fulltext: PDF; External link: Fulltext In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.01012

2018-04-28
06:24
 The $^{236}$U neutron capture cross-section measured at the n_TOF CERN facility / Mastromarco, M (INFN, Bari) ; Barbagallo, M (INFN, Bari) ; Vermeulen, M J (U. York (main)) ; Colonna, N (INFN, Bari) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andrzejewski, J (U. Lodz (main)) ; Audouin, L (Orsay, IPN) ; Bécares, V (Madrid, CIEMAT) ; Bečvář, F (Charles U., Prague (main)) ; Belloni, F (IRFU, Saclay) et al. /n_TOF The $^{236}$U isotope plays an important role in nuclear systems, both for future and currently operating ones. The actual knowledge of the capture reaction of this isotope is satisfactory in the thermal region, but it is considered insufficient for Fast Reactor and ADS applications. [...] 2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 11054 Fulltext: PDF; External link: Fulltext In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.11054

2018-04-28
06:24
 The measurement programme at the neutron time-of-flight facility n_TOF at CERN / Gunsing, F (IRFU, Saclay ; CERN) ; Aberle, O (CERN) ; Andrzejewski, J ; Audouin, L ; Bécares, V ; Bacak, M (IRFU, Saclay ; CERN ; TU Vienna) ; Balibrea-Correa, J ; Barbagallo, M ; Barros, S ; Bečvář, F et al. /n_TOF Neutron-induced reaction cross sections are important for a wide variety of research fields ranging from the study of nuclear level densities, nucleosynthesis to applications of nuclear technology like design, and criticality and safety assessment of existing and future nuclear reactors, radiation dosimetry, medical applications, nuclear waste transmutation, accelerator-driven systems and fuel cycle investigations. Simulations and calculations of nuclear technology applications largely rely on evaluated nuclear data libraries. [...] 2017 - 6 p. - Published in : EPJ Web Conf. 146 (2017) 11002 Fulltext: PDF; External link: Fulltext In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.11002