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2019-09-14
06:30
Precision measurements of the charge radii of potassium isotopes / Koszorús, Á (KU Leuven, Dept. Phys. Astron.) ; Yang, X F (KU Leuven, Dept. Phys. Astron. ; Peking U., SKLNPT) ; Billowes, J (Manchester U.) ; Binnersley, C L (Manchester U.) ; Bissell, M L (Manchester U.) ; Cocolios, T E (KU Leuven, Dept. Phys. Astron.) ; Farooq-Smith, G J (KU Leuven, Dept. Phys. Astron.) ; de Groote, R P (KU Leuven, Dept. Phys. Astron. ; Jyvaskyla U.) ; Flanagan, K T (Manchester U.) ; Franchoo, S (Orsay, IPN) et al.
Precision nuclear charge radii measurements in the light-mass region are essential for understanding the evolution of nuclear structure, but their measurement represents a great challenge for experimental techniques. At the Collinear Resonance Ionization Spectroscopy (CRIS) setup at ISOLDE-CERN, a laser frequency calibration and monitoring system was installed and commissioned through the hyperfine spectra measurement of $^{38–47}$K. [...]
2019 - 11 p. - Published in : Phys. Rev. C 100 (2019) 034304 Article from SCOAP3: PDF;

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2019-09-14
06:30
Low statistics positron activity reconstruction methods for proton therapy / Muraro, S (Pisa U. ; INFN, Pisa) ; Camarlinghi, N (Pisa U. ; INFN, Pisa) ; Battistoni, G (INFN, Milan) ; Belcari, N (Pisa U. ; INFN, Pisa) ; Bisogni, M G (INFN, Pisa ; Pisa U.) ; Cristoforetti, L (Unlisted, IT) ; Del Guerra, A (Pisa U. ; INFN, Pisa) ; Ferrari, A (CERN) ; Fracchiolla, F (Unlisted, IT) ; Kraan, A (Pisa U. ; INFN, Pisa) et al.
Positron emission tomography (PET) is one of the most mature techniques for monitoring in ion beam therapy. PET allows to reconstruct the β$^{+}$ activity generated in the patient by the nuclear interaction of the ions. [...]
2019 - 2 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 936 (2019) 52-53
In : Frontier Detectors for Frontier Physics XIV Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, Italy, 27 May - 2 Jun 2018, pp.52-53

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2019-09-14
06:30
Calculation method for pulsed magnetic field energy supplied to Nb 3 Sn ITER CS conductors during SULTAN stability tests / Bagni, T (Twente U., Enschede) ; Breschi, M (Bologna U.) ; Jagga, S (Twente U., Enschede) ; Devred, A (CERN) ; Nijhuis, A (Twente U., Enschede)
• Description of the temperature stability issue during SULTAN stability tests. • Explanation of the temperature fluctuation cause. [...]
2019 - 5 p. - Published in : Fusion Eng. Des. 147 (2019) 111224

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2019-09-14
06:30
Nuclear dependence of light neutral meson production in p-A collisions at 400 GeV with NA60 / Arnaldi, R (INFN, Turin) ; Banicz, K (CERN ; Heidelberg U.) ; Borer, K (Bern U.) ; Castor, J (Clermont-Ferrand U.) ; Chaurand, B (Ecole Polytechnique) ; Chen, W (RIKEN BNL) ; Cicalò, C (INFN, Cagliari) ; Colla, A (INFN, Turin ; Turin U.) ; Cortese, P (Turin U. ; Piemonte Orientale U., Alessandria) ; Damjanovic, S (CERN ; Heidelberg U.) et al. /NA60
The NA60 experiment has studied low-mass muon pair production in proton–nucleus collisions with a system of Be, Cu, In, W, Pb and U targets, using a 400 GeV proton beam at the CERN SPS. The transverse momentum spectra of the $\rho /\omega $ and $\phi $ mesons are measured in the full $p_{\mathrm {T}}$ range accessible, from $p_{\mathrm {T}}= 0$ up to $2 \, {\hbox {GeV/c}}$ . [...]
2019 - 13 p. - Published in : Eur. Phys. J. C 79 (2019) 443

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2019-09-14
06:30
New spectroscopic information on $^{211,213}\mathrm{Tl}$: A changing structure beyond the $N=126$ shell closure / Gottardo, A (INFN, Legnaro ; Padua U.) ; Valiente-Dobón, J J (INFN, Legnaro) ; Benzoni, G (INFN, Milan) ; Morales, A I (INFN, Milan) ; Gadea, A (Valencia U., IFIC) ; Lunardi, S (Padua U. ; INFN, Padua) ; Boutachkov, P (Darmstadt, GSI) ; Bruce, A M (Brighton U.) ; Górska, M (Darmstadt, GSI) ; Grebosz, J (Cracow, INP) et al.
The neutron-rich isotopes $^{211,213}\mathrm{Tl}$, beyond the $N=126$ shell closure, have been studied for the first time in isomer $\gamma$-ray decay, exploiting the fragmentation of a primary uranium beam at the Fragment Separator-Rare Isotopes Investigation at GSI setup. The observed isomeric states in $^{211,213}\mathrm{Tl}$ show a deviation from the seniority-like scheme of $^{209}\mathrm{Tl}$. [...]
2019 - 7 p. - Published in : Phys. Rev. C 99 (2019) 054326 Article from SCOAP3: PDF;

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2019-09-14
06:30
KlyC: 1.5-D large-signal simulation code for klystrons / Cai, Jinchi (CERN) ; Syratchev, Igor (CERN)
The High Efficiency International Klystron Activity (HEIKA) was initiated at CERN in 2014 to evaluate and develop new klystron bunching technologies for high-efficiency klystrons in application to the large-scale scientific projects such as the Compact Linear Collider (CLIC) and the Future Circular Collider (FCC). The success of such development strongly depends on the availability of the specialized klystron computer codes. [...]
2019 - 8 p. - Published in : IEEE Trans. Plasma Sci. 47 (2019) 1734-1741

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2019-09-14
06:30
An upgraded luminosity leveling procedure for the ALICE Experiment / de Cataldo, Giacinto (INFN, Bari ; CERN) ; Valentino, Gianluca (CERN ; U. Malta) ; Franco, Antonio (INFN, Bari ; CERN) ; Alemany, Reyes (CERN) ; Follin, Fabio (CERN) ; Hostettler, Michi (CERN ; U. Bern (main)) ; Wenninger, Jorg (CERN)
The Large Hadron Collider (LHC) Interface project (LHC_IF) ensures that the A Large Ion Collider Experiment (ALICE) can operate congruently and safely with the LHC in different machine configurations and beam modes. Measurements in proton–proton (pp) collisions are vital for ALICE and serve as a reference to calibrate the Pb ion–Pb ion (Pb–Pb) measurements. [...]
2019 - 8 p. - Published in : IEEE Trans. Nucl. Sci. 66 (2019) 763-770

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2019-09-13
06:01
Search for new decays of beauty baryons in the LHCb Experiment / Belyaev, I M (Moscow, ITEP) ; Egorychev, V Yu (Moscow, ITEP) ; Matiunin, V I (Moscow, ITEP) ; Savrina, D V (Moscow, ITEP ; SINP, Moscow)
The results of search for new decays of beauty baryons in the LHCb experiment are presented. In particular the new decays $\Lambda_{b}^{0}\rightarrow \psi (2S)p\pi^{−}$, ${\rm{\Lambda }}_b^0 \to {\rm{\Lambda }}_c^ + p\overline p {\pi ^ - }$ , $\Lambda_{b}^{0}\rightarrow pK^{−}\pi^{+}\pi^{−}, \Lambda_{b}^{0}\rightarrow pK^{−}K^{+}K^{−}, \Xi_{b}^{0}\rightarrow pK^{−}\pi^{+}\pi^{−}, \Xi_{b}^{0}\rightarrow pK^{−}\pi^{+}K^{−}$ are observed and ratios of branching fractions are measured. [...]
2019 - 9 p. - Published in : Moscow Univ. Phys. Bull.: 74 (2019) , no. 2, pp. 91-99
- Published in : Vestn. Mosk. Univ. Ser. III Fiz. Astron. (2019) , no. 2, pp. 3-10

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2019-09-13
06:01
Conceptual design of a high-field septum magnet using a superconducting shield and a canted-cosine-theta magnet / Barna, Dániel (Wigner RCP, Budapest) ; Novák, Martin (Wigner RCP, Budapest) ; Brunner, Kristóf (CERN) ; Kirby, Glyn (CERN) ; Goddard, Brennan (CERN) ; Borburgh, Jan (CERN) ; Atanasov, Miroslav Georgiev (CERN) ; Sanz Ull, Alejandro (CERN) ; Renner, Elisabeth (CERN) ; Bartmann, Wolfgang (CERN) et al.
A zero-field cooled superconducting shield was previously proposed to realize a high-field (at least 3 T) septum magnet for the Future Circular Collider proton-proton ring. In this paper, we present the conceptual design of a complete septum magnet prototype including a shield with an optimized shape and a simple and cost-effective superconducting magnet using the canted cosine theta concept. [...]
2019 - 7 p. - Published in : Rev. Sci. Instrum. 90 (2019) 053302

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2019-09-13
06:01
The observation of vibrating pear-shapes in radon nuclei / Butler, P A (Liverpool U.) ; Gaffney, L P (Liverpool U. ; CERN) ; Spagnoletti, P (West Scotland U.) ; Konki, J (CERN) ; Scheck, M (West Scotland U.) ; Smith, J F (West Scotland U.) ; Abrahams, K (Western Cape U.) ; Bowry, M (TRIUMF) ; Cederkäll, J (Lund U.) ; Chupp, T (Michigan U.) et al.
There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipole moments of atoms, which would indicate CP violation and hence probe physics beyond the Standard Model of particle physics. [...]
2019 - 6 p. - Published in : Nature Commun. 10 (2019) 2473 Fulltext: PDF;

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