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 |
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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
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2019-09-14
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2019-09-14
06:30 |
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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
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