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 |
A Parallel-Computing Algorithm for High-Energy Physics Particle Tracking and Decoding Using GPU Architectures
/ Fernandez Declara, Placido (CERN ; Carlos III U., Madrid) ; Campora Perez, Daniel Hugo (CERN ; Seville U.) ; Garcia-Blas, Javier (Carlos III U., Madrid) ; Vom Bruch, Dorothea (Paris U., VI-VII) ; Daniel Garcia, J (Carlos III U., Madrid) ; Neufeld, Niko (CERN)
Real-time data processing is one of the central processes of particle physics experiments which require large computing resources. The LHCb (Large Hadron Collider beauty) experiment will be upgraded to cope with a particle bunch collision rate of 30 million times per second, producing 10$^{9}$ particles/s. [...]
2019 - 15 p.
- Published in : IEEE Access 7 (2019) 91612-91626
Fulltext : 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
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2019-09-14
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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
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2019-09-14
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2019-09-14
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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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