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2021-01-20
06:11
Neutron Capture Cross Section for $^{10}\mathrm{Be}$ / Volknandt, M (Goethe U., Frankfurt (main)) ; Eberhardt, K (Mainz U.) ; Endres, A (Goethe U., Frankfurt (main)) ; Erbacher, P (Goethe U., Frankfurt (main)) ; Fix, M (Goethe U., Frankfurt (main)) ; Göbel, K (Goethe U., Frankfurt (main)) ; Heftrich, T (Goethe U., Frankfurt (main)) ; Heinitz, S (PSI, Villigen) ; Hrivula, E (Goethe U., Frankfurt (main)) ; Junghans, A et al.
The determination of the involved reaction cross sections is essential for the understanding of how the big bang nucleosynthesis and nuclear reactions in stars contribute to the observed abundances. One of those, which has not been measured so far, is the $^{10}\mathrm{Be(n,\gamma)}$ cross section. [...]
2020 - 6 p. - Published in : J. Phys. : Conf. Ser. 1668 (2020) 012048
In : 9th Nuclear Physics in Astrophysics, Frankfurt, Germany, 15 - 20 Sep 2019, pp.012048

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2021-01-20
06:11
Neutron capture measurement at the n TOF facility of the $^{204}$Tl and $^{205}$Tl s-process branching points / Casanovas, A (Barcelona, Polytechnic U.) ; Tarifeño-Saldivia, A E (Barcelona, Polytechnic U.) ; Domingo-Pardo, C (Valencia U., IFIC) ; Calviño, F (Barcelona, Polytechnic U.) ; Maugeri, E (PSI, Villigen) ; Guerrero, C (Seville U.) ; Lerendegui-Marco, J (Seville U. ; Valencia U., IFIC) ; Dressler, R (PSI, Villigen) ; Heinitz, S (PSI, Villigen) ; Schumann, D (PSI, Villigen) et al.
Neutron capture cross sections are one of the fundamental nuclear data in the study of the s (slow) process of nucleosynthesis. More interestingly, the competition between the capture and the decay rates in some unstable nuclei determines the local isotopic abundance pattern. [...]
2020 - 9 p. - Published in : J. Phys. : Conf. Ser. 1668 (2020) 012005 Fulltext: PDF;
In : 9th Nuclear Physics in Astrophysics, Frankfurt, Germany, 15 - 20 Sep 2019, pp.012005

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2021-01-20
06:11
$^{80}$Se(n,$\gamma$) cross-section measurement at CERN n_TOF / Babiano-Suarez, V (Valencia U., IFIC) ; Aberle, O (CERN) ; Alcayne, V (Madrid, CIEMAT) ; Amaducci, S (INFN, LNS ; Catania U.) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Orsay, IPN) ; Bacak, M (CERN ; Vienna, Tech. U. ; IRFU, Saclay) ; Balibrea-Correa, J (Valencia U., IFIC) ; Barbagallo, M (CERN ; INFN, Bari) ; Bennett, S (Manchester U.) et al.
Radiative neutron capture cross section measurements are of fundamental importance for the study of the slow neutron capture (s-) process of nucleosynthesis. This mechanism is responsible for the formation of most elements heavier than iron in the Universe. [...]
2020 - 8 p. - Published in : J. Phys. : Conf. Ser. 1668 (2020) 012001
In : 9th Nuclear Physics in Astrophysics, Frankfurt, Germany, 15 - 20 Sep 2019, pp.012001

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2021-01-19
06:00
Investigation of radiation formation (plasmoid) in the air environment by radar method / Fadeenko, V B (St. Petersburg Polytechnic Inst. ; GRANIT, St. Petersburg) ; Fadeenko, I V (St. Petersburg Polytechnic Inst. ; GRANIT, St. Petersburg) ; Vasiliev, D A (GRANIT, St. Petersburg) ; Davydov, V V (St. Petersburg Polytechnic Inst. ; Unlisted, RU) ; Rud, V Yu (Unlisted, RU ; Ioffe Phys. Tech. Inst.)
The expediency of using the radar method for detecting radiation contamination at long distances is substantiated in this article. The design of a radar for the detecting of small radioactive formations in the air at the long distances is developed. [...]
2020 - 6 p. - Published in : J. Phys. : Conf. Ser. 1697 (2020) 012057 Fultext: PDF;

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2021-01-19
06:00
Investigation of the local environment of SnO$_{2}$ in an applied magnetic field / Schell, J (CERN ; U. Duisburg-Essen) ; Dang, T T (U. Duisburg-Essen ; Bonn U., HISKP) ; Zyabkin, D V (Ilmenau Tech. U. ; Palacky U.) ; Mansano, R D (Sao Paulo U.) ; Gaertner, D (Munster U.) ; Carbonari, A W (IPEN, Sao Paulo)
This paper presents the results of time-differential perturbed gamma–gamma angular correlation measurements of SnO$_{2}$ thin films carried out in an applied magnetic field. The measurements were performed upon the implantation of Fe at 80 keV and $^{111}$In($^{111}$Cd) at 160 keV. [...]
2020 - Published in : Physica B: Physics of Condensed Matter 586 (2020) 412120 Fulltext: PDF;

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2021-01-19
06:00
Anisotropic flow measured in Pb-Pb collisions with the NA49 and NA61/SHINE experiments at CERN SPS / Golosov, Oleg (Moscow Phys. Eng. Inst.) ; Klochkov, Viktor (Darmstadt, GSI ; Frankfurt U.) ; Kashirin, Evgeny (Moscow Phys. Eng. Inst.) ; Selyuzhenkov, Ilya (Moscow Phys. Eng. Inst. ; Darmstadt, GSI)
Results are presented for directed flow v 1 of negatively charged pions measured relative to the spectator plane in Pb+Pb collisions at the beam energy 40A GeV recorded by the NA49 experiment at CERN. The measurements were performed as a function of rapidity and transverse momentum in two classes of collision centrality. [...]
2019 - 6 p. - Published in : J. Phys. : Conf. Ser. 1390 (2019) 012014
In : The 4th International Conference on Particle Physics and Astrophysics, Moscow, Russian Federation, 22 - 26 Oct 2018, pp.012014

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2021-01-15
06:31
Diffractive shadowing of coherent polarization radiation / Curcio, A (CERN) ; Bergamaschi, M (CERN) ; Corsini, R (CERN) ; Gamba, D ; Farabolini, W (CERN) ; Kieffer, R (CERN) ; Lefevre, T (CERN) ; Mazzoni, S (CERN) ; Dolci, V (U. Rome La Sapienza (main) ; INFN, Rome) ; Petrarca, M (U. Rome La Sapienza (main) ; INFN, Rome) et al.
We report on the study of shadowing of electromagnetic fields radiated in the Terahertz (THz) region from two consecutive sources of coherent diffraction and transition radiation. In these conditions, the formation length is predicted to be $\leq$ 100 m, and shadowing effects should result in an almost complete suppression of radiated fields within distances of the order of tens of centimeters. [...]
2021 - Published in : Phys. Lett. A 391 (2021) 127135

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2021-01-15
06:31
Multiferroic bismuth ferrite: Perturbed angular correlation studies on its ferroic $\alpha$-$\beta$ phase transition / Marschick, G (Vienna, Tech. U. ; CERN) ; Schell, J (CERN ; U. Duisburg-Essen) ; Stöger, B (Vienna, Tech. U.) ; Gonçalves, J N (Aveiro U.) ; Karabasov, M O (U. Duisburg-Essen) ; Zyabkin, D (Ilmenau Tech. U.) ; Welker, A (CERN) ; Escobar C , M (U. Duisburg-Essen) ; Gärtner, D (Munster U.) ; Efe, I (Zurich, ETH) et al.
Work of numerous research groups has shown different outcomes of studies of the transition from the ferroelectric $\alpha$-phase to the high temperature $\beta$-phase of the multiferroic, magnetoelectric perovskite Bismuth Ferrite (BiFeO$_{3}$ or BFO). Using the perturbed angular correlation (PAC) method with $^{111m}$Cd as the probe nucleus, the $\alpha$ to $\beta$ phase transition was characterized. [...]
2020 - 11 p. - Published in : Phys. Rev. B 102 (2020) 224110 Fulltext: PDF;

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2021-01-14
06:01
A high precision narrow-band neutrino beam: The ENUBET project / Torti, M (INFN, Milan Bicocca ; Milan Bicocca U.) ; Acerbi, F (Fond. Bruno Kessler, Povo ; TIFPA-INFN, Trento ; Trento U.) ; Berra, A (INFN, Milan Bicocca ; Insubria U., Como) ; Bonesini, M (INFN, Milan Bicocca) ; Branca, A (INFN, Padua ; U. Padua, Dept. Phys. Astron.) ; Brizzolari, C (INFN, Milan Bicocca ; Milan Bicocca U.) ; Brunetti, G (INFN, Padua) ; Calviani, M (CERN) ; Capelli, S (INFN, Milan Bicocca ; Insubria U., Como) ; Carturan, S (INFN, Padua ; INFN, Legnaro) et al.
The knowledge of the initial flux, energy and flavor of current neutrino beams is the main limitation for a precise measurement of neutrino cross-sections. The ENUBET ERC project is studying a facility based on a narrow-band neutrino beam capable of constraining the neutrino fluxes normalization through the monitoring of the associated charged leptons in an instrumented decay tunnel. [...]
2020 - 13 p. - Published in : Int. J. Mod. Phys. A 35 (2020) 2044017 Fulltext: PDF;
In : 8th International Conference on New Frontiers in Physics (ICNFP 2019), Kolymbari, Crete, Greece, 21 - 29 Aug 2019, pp.2044017

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2021-01-14
06:01
Developments for pulsed antihydrogen production towards direct gravitational measurement on antimatter / Fanì, M (CERN ; INFN, Genoa ; Genoa U.) ; Antonello, M (INFN, Milan ; Insubria U., Como) ; Belov, A (Moscow, INR) ; Bonomi, G (INFM, Brescia ; INFN, Pavia) ; Brusa, R S (Trento U. ; TIFPA-INFN, Trento) ; Caccia, M (INFN, Milan ; Insubria U., Como) ; Camper, A (CERN) ; Caravita, R (TIFPA-INFN, Trento) ; Castelli, F (INFN, Milan ; Milan U.) ; Comparat, D (LAC, Orsay) et al.
A main scientific goal of the experiment is the direct measurement of the Earth’s local gravitational acceleration g on antihydrogen. The Weak Equivalence Principle is a foundation of General Relativity. [...]
2020 - 9 p. - Published in : Phys. Scr. 95 (2020) 114001 Fulltext: PDF;
In : 8th International Conference on New Frontiers in Physics (ICNFP 2019), Kolymbari, Crete, Greece, 21 - 29 Aug 2019, pp.114001

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