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1.
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Design and Testing of a new Tracking System for the Proton Charge Radius Measurement with the AMBER Experiment at CERN
/ Alexeev, M G (Turin U. ; INFN, Turin) ; Alice, C (Turin U. ; INFN, Turin) ; Amoroso, A (Turin U. ; INFN, Turin) ; Bajzek, M (Darmstadt, GSI) ; Chiosso, M (Turin U. ; INFN, Turin) ; Denisov, O (INFN, Turin ; CERN) ; Dreisbach, C (Munich, Tech. U.) ; Eichhorn, K (Munich, Tech. U.) ; Fischer, H (Freiburg U.) ; Friedrich, J M (Munich, Tech. U. ; ORIGINS, Garching) et al.
The concept of the unified tracking station designed for the proton charge-radius measurement planned at the AMBER (NA66) fixed-target experiment at CERN is presented. Composed of scintillating-fiber hodoscope and silicon-pixel detectors, it aims to provide 30 μrad angular resolution for the measurement of muons at momenta of 100 GeV with a time resolution of 1 ns at a nominal beam rate of 2×10$^6$ particles per second. [...]
2024 - 7 p.
- Published in : PoS VERTEX2023 (2024) 049
Fulltext: PDF;
In : 32nd International Workshop on Vertex Detectors (VERTEX 2023), Sestri Levante, Italy, 16 - 20 Oct 2023, pp.049
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2.
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Intruder configurations in $^{29}$Ne at the transition into the island of inversion: Detailed structure study of $^{28}$Ne
/ Wang, H. (RIKEN (main)) ; Yasuda, M. (Tokyo Inst. Tech.) ; Kondo, Y. (Tokyo Inst. Tech.) ; Nakamura, T. (Tokyo Inst. Tech.) ; Tostevin, J.A. (Tokyo Inst. Tech. ; Surrey U.) ; Ogata, K. (Kyushu U., Fukuoka (main) ; Osaka U., Res. Ctr. Nucl. Phys.) ; Otsuka, T. (CERN ; Nishina Ctr., RIKEN) ; Poves, A. (Madrid, Autonoma U.) ; Shimizu, N. (Tsukuba U.) ; Yoshida, K. (JAEA, Ibaraki) et al.
Detailed $\gamma$-ray spectroscopy of the exotic neon isotope $^{28}$Ne has been performed for the first time using the one-neutron removal reaction from $^{29}$Ne on a liquid hydrogen target at 240~MeV/nucleon. Based on an analysis of parallel momentum distributions, a level scheme with spin-parity assignments has been constructed for $^{28}$Ne and the negative-parity states are identified for the first time. [...]
arXiv:2306.16189.-
2023-06-20 - 11 p.
- Published in : Phys. Lett. B 843 (2023) 138038
Fulltext: PDF;
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3.
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First Accurate Normalization of the $\beta$-delayed $\alpha$ Decay of $^{16}$N and Implications for the $^{12}$C$(\alpha,\gamma)^{16}$O Astrophysical Reaction Rate
/ Kirsebom, O.S. (Aarhus U.) ; Tengblad, O. (CSIC, Madrid) ; Lica, R. (CERN ; Bucharest, IFIN-HH) ; Munch, M. (Aarhus U.) ; Riisager, K. (Aarhus U.) ; Fynbo, H.O.U. (Aarhus U.) ; Borge, M.J.G. (CSIC, Madrid ; CERN) ; Madurga, M. (CERN) ; Marroquin, I. (CSIC, Madrid) ; Andreyev, A.N. (York U., England) et al.
The $^{12}\text{C}(\alpha,\gamma){}^{16}\text{O}$ reaction plays a central role in astrophysics, but its cross section at energies relevant for astrophysical applications is only poorly constrained by laboratory data. The reduced $\alpha$ width, $\gamma_{11}$, of the bound $1^-$ level in $^{16}$O is particularly important to determine the cross section. [...]
arXiv:1804.02040.-
2018-10-10 - 6 p.
- Published in : Phys. Rev. Lett. 121 (2018) 142701
Fulltext: PDF; Fulltext from Publisher: PDF;
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4.
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Implementation and evaluation of tilted foils polarization at REX-ISOLDE
/ Tornqvist, H (CERN ; Goteborg, ITP) ; Sotty, C (CSNSM, Orsay) ; Georgiev, G (CSNSM, Orsay) ; Hass, M (Weizmann Inst.) ; Herlert, A (CERN) ; Kowalska, M (CERN) ; Nilsson, T (Goteborg, ITP) ; Pakarinen, J (CERN) ; Wenander, F (CERN)
The progress within atomic and nuclear physics relies on refining and adding new observables. One of these is the polarization of the nuclear spin, where there is a manifest interest in accessing a wide variety of polarized beams, e.g. [...]
2012 - 4 p.
- Published in : Phys. Scr. T150 (2012) 014040
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5.
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Study of bound states in $^{10}Be$ by one neutron removal reactions of $^{11}Be$
/ Johansen, Jacob G (Aarhus U.) ; Bildstein, V (Munich, Tech. U.) ; Borge, M J G (CERN ; Madrid, Inst. Estructura Materia) ; Cubero, M (Madrid, Inst. Estructura Materia) ; Diriken, J (Leuven U.) ; Elseviers, J (Leuven U.) ; Fraile, L M (Madrid U.) ; Fynbo, H O U (Aarhus U.) ; Gaffney, L P (Liverpool U.) ; Gernhäuser, R (Munich, Tech. U.) et al.
The bound states of (10)Be have been studied by removing single neutrons from $^{11}Be$ nuclei. A 2.8 MeV $u^{–1}$ beam of $^{11}Be$was produced at ISOLDE, CERN and directed on to both proton and deuteron targets inducing one-neutron removal reactions. [...]
2017 - 12 p.
- Published in : J. Phys. G 44 (2017) 044009
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6.
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Deformation and mixing of coexisting shapes in neutron-deficient polonium isotopes
/ Kesteloot, N (KU Leuven, Dept. Phys. Astron. ; SCK-CEN, Mol) ; Bastin, B (KU Leuven, Dept. Phys. Astron. ; GANIL) ; Gaffney, L P (KU Leuven, Dept. Phys. Astron. ; Liverpool U.) ; Wrzosek-Lipska, K (KU Leuven, Dept. Phys. Astron. ; Warsaw U., Heavy Ion Lab) ; Auranen, K (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Bauer, C (Darmstadt, Tech. Hochsch.) ; Bender, M (CENBG, Gradignan) ; Bildstein, V (Munich, Tech. U.) ; Blazhev, A (Cologne U.) ; Bönig, S (Darmstadt, Tech. Hochsch.) et al.
Coulomb-excitation experiments are performed with postaccelerated beams of neutron-deficient Po196,198,200,202 isotopes at the REX-ISOLDE facility. A set of matrix elements, coupling the low-lying states in these isotopes, is extracted. [...]
2015 - 17 p.
- Published in : Phys. Rev. C 92 (2015) 054301
APS Open Access article: PDF;
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7.
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$^{97}_{37}$Rb$_{60}$: The Cornerstone of the Region of Deformation around $A\sim 100$
/ Sotty, C (CSNSM, Orsay ; Leuven U.) ; Zielińska, M (Warsaw U., Heavy Ion Lab ; IRFU, SPhN, Saclay) ; Georgiev, G (CSNSM, Orsay) ; Balabanski, D L (Bucharest, IFIN-HH) ; Stuchbery, A E (Australian Natl. U., Canberra (main)) ; Blazhev, A (Cologne U.) ; Bree, N (Leuven U.) ; Chevrier, R (CEA DAM) ; Das Gupta, S (U. Camerino, Dept. Phys. ; INFN, Perugia) ; Daugas, J M (CEA DAM) et al.
Excited states of the neutron-rich nuclei Rb97,99 were populated for the first time using the multistep Coulomb excitation of radioactive beams. Comparisons of the results with particle-rotor model calculations provide clear identification for the ground-state rotational band of Rb97 as being built on the πg9/2 [431] 3/2+ Nilsson-model configuration. [...]
2015 - 6 p.
- Published in : Phys. Rev. Lett.
- Published in : Phys. Rev. Lett.
APS Open Access article: PDF; Publisher’s Note: PDF;
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8.
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Experimental study of the $^{66}$Ni$(d,p)^{67}$Ni one-neutron transfer reaction
/ Diriken, J. (Leuven U. ; SCK-CEN, Mol) ; Patronis, N. (Ioannina U. ; Leuven U.) ; Andreyev, A.N. (JAERI, Tokai ; York U., England ; Leuven U.) ; Antalic, S. (Comenius U.) ; Bildstein, V. (Munich, Tech. U.) ; Blazhev, A. (U. Cologne) ; Darby, I.G. (Leuven U.) ; De Witte, H. (Leuven U.) ; Eberth, J. (U. Cologne) ; Elseviers, J. (Leuven U.) et al.
The quasi-SU(3) sequence of the positive parity $νg_{9/2}, d_{5/2}, s_{1/2}$ orbitals above the N=40 shell gap are assumed to induce strong quadrupole collectivity in the neutron-rich Fe (Z=26) and Cr (Z=24) isotopes below the nickel region. In this paper the position and strength of these single-particle orbitals are characterized in the neighborhood of $^{68}$Ni (Z=28,N=40) through the $^{66}$Ni($d,p$)$^{67}$Ni one-neutron transfer reaction at 2.95 MeV/nucleon in inverse kinematics, performed at the REX-ISOLDE facility in CERN. [...]
2015
- Published in : Phys. Rev. C 91 (2015) 054321
APS Open Access article: PDF;
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9.
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Study of the deformation-driving $\nu d_{5/2}$ orbital in $^{67}_{28}$Ni$_{39}$ using one-neutron transfer reactions
/ Diriken, J. (Leuven U. ; SCK-CEN, Mol) ; Patronis, N. (Ioannina U. ; Leuven U.) ; Andreyev, A.N. (JAERI, Tokai ; York U., England ; Leuven U.) ; Antalic, S. (Comenius U.) ; Bildstein, V. (Munich, Tech. U.) ; Blazhev, A. (U. Cologne) ; Darby, I.G. (Leuven U.) ; De Witte, H. (Leuven U.) ; Eberth, J. (U. Cologne) ; Elseviers, J. (Leuven U.) et al.
The $νg_{9/2} , d_{5/2}, s_{1/2}$ orbitals are assumed to be responsible for the swift onset of collectivity observed in the region below $^{68}$Ni. Especially the single-particle energies and strengths of these orbitals are of importance. [...]
2014
Elsevier Open Access article: PDF; Elsevier Open Access article (Erratum): PDF;
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10.
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Tilted foils polarization at REX-ISOLDE
/ Tornqvist, H (CERN ; Fund. Phys., Gothenburg) ; Kowalska, M (CERN) ; Yordanov, D T (Heidelberg, Max Planck Inst.) ; Imai, N (KEK, Tsukuba) ; Heinz, A (Goteborg, ITP) ; Nilsson, T (Goteborg, ITP) ; Sotty, C (CSNSM, Orsay) ; Hass, M (Weizmann Inst.) ; Georgiev, G (CSNSM, Orsay) ; Johansson, H (Goteborg, ITP) et al.
The tilted-foils nuclear-spin polarization method has been evaluated using the REX-ISOLDE linear accelerator at the ISOLDE facility, CERN. A beam of Li-8 delivered with an energy of 300 keV/u traversed through one Mylar foil to degrade the beam energy to 200 keV/u and consequently through 10 thin diamond-like carbon foils to polarize the nuclear spin. [...]
2013
- Published in : Nucl. Instrum. Methods Phys. Res., B 317 (2013) 685-688
In : 16th International Conference on Electromagnetic Isotope Separators and Techniques Related to their Applications, Matsue, Japan, 2 - 7 Dec 2012, pp.685-688
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