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CERN Published Articles

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2021-09-24
07:59
Study of exotic decay of Cs isotope close to the proton drip line / Das, P (Saha Inst. ; HBNI, Mumbai) ; Datta, Ushasi (Saha Inst. ; HBNI, Mumbai) ; Chakraborty, S (Saha Inst. ; Unlisted, IN) ; Rahman, A (Saha Inst. ; Unlisted, IN) ; Borge, M J G (Madrid, Inst. Estructura Materia) ; Tengblad, O (Madrid, Inst. Estructura Materia) ; Andreyev, A N (York U., England) ; Becerril, A (Madrid, Inst. Estructura Materia) ; Bhattacharya, P (Saha Inst.) ; Bhattacharyya, A (Saha Inst. ; HBNI, Mumbai) et al.
The neutron-deficient $^{115}$Cs was produced at ISOLDE, CERN by spallation reaction using 1.4 GeV proton on LaC2 target. The exotic decay modes were studied by using a charged particle array (DSSD and pad detectors) and a γ-detector array (four Clovers) at the ISOLDE decay station (IDS). [...]
2020 - 6 p. - Published in : J. Phys. : Conf. Ser. 1643 (2020) 012127 Fulltext: PDF;
In : International Nuclear Physics Conference 2019, Glasgow, United Kingdom, 29 Jul - 2 Aug 2019, pp.012127

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2021-09-24
07:59
New physics at the FCC-ee: indirect discovery potential / de Blas, Jorge (Granada U., Theor. Phys. Astrophys. ; Durham U., IPPP)
We review the projected sensitivity to physics beyond the Standard Model via indirect searches at the Future e+e− Circular Collider (FCC-ee). The indirect sensitivity to new physics is discussed both from a model-independent perspective, using the formalism of Effective Field Theories, but also from the point of view of more specific classes of well-motivated models..
2021 - 8 p. - Published in : Eur. Phys. J. Plus 136 (2021) 897 Fulltext: PDF;

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2021-09-24
07:59
Theoretical challenges for flavor physics / Grossman, Yuval (Cornell U., LEPP) ; Ligeti, Zoltan (LBL, Berkeley ; UC, Berkeley)
We discuss some highlights of the FCC-ee flavor physics program. It will help to explore various aspects of flavor physics: to test precision calculations, to probe nonperturbative QCD methods, and to increase the sensitivity to physics beyond the standard model. [...]
arXiv:2106.12168.- 2021 - 5 p. - Published in : Eur. Phys. J. Plus 136 (2021) 912 Fulltext: PDF;

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2021-09-24
07:59
The experiments to determine the electron capture and $\beta$-decay of $^8$B into the highly excited states of $^8$Be / Vinals, S (Madrid, Inst. Estructura Materia) ; Borge, M J G (Madrid, Inst. Estructura Materia) ; Tengblad, O (Madrid, Inst. Estructura Materia) ; Nacher, E (Valencia U., IFIC) ; Benito, J (UCM, Madrid, Dept. Phys.) ; Figuera, P (INFN, Catania) ; Fraile, L M (UCM, Madrid, Dept. Phys.) ; Fynbo, H O U (Aarhus U.) ; Gad, A (Aarhus U.) ; Jensen, J (Aarhus U.) et al.
The main goal of this work is to study the structure of the highest energy states in $^8$Be populated following the $\beta^+$-decay and the electron capture (EC) of $^8$B. With this aim, two experiments were performed at ISOLDE-CERN in 2017 and 2018. [...]
2020 - 7 p. - Published in : J. Phys. : Conf. Ser. 1643 (2020) 012130 Fulltext: PDF;
In : International Nuclear Physics Conference 2019, Glasgow, United Kingdom, 29 Jul - 2 Aug 2019, pp.012130

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2021-09-24
07:59
Coulomb Excitation of Proton-rich $N = 80$ Isotones at HIE-ISOLDE / Kern, Ralph (Darmstadt, Tech. U.) ; Zidarova, Radostina (Darmstadt, Tech. U.) ; Pietralla, Norbert (Darmstadt, Tech. U.) ; Rainovski, Georgi (Sofiya U.) ; Gaffney, Liam P (CERN) ; Blazhev, Andrey (Cologne U.) ; Boukhari, Amar (CERN) ; Cederkäll, Joakim (CERN ; Lund U. (main)) ; Cubiss, James G (York U., England) ; Djongolov, Martin (Sofiya U.) et al.
A projectile Coulomb-excitation experiment was performed at the radioactive ion beam facility HIE-ISOLDE at CERN. The radioactive $^{140}$Nd and $^{142}$Sm ions were post accelerated to the energy of 4.62 MeV/A and impinged on a 1.45 mg/cm$^2$-thin $^{208}$Pb target. [...]
2020 - 8 p. - Published in : J. Phys. : Conf. Ser. 1555 (2020) 012027 Fulltext: PDF;

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2021-09-24
05:56
Theory requirements for SM Higgs and EW precision physics at the FCC-ee / Heinemeyer, Sven (Madrid, IFT ; U. Autonoma, Madrid (main) ; Cantabria Inst. of Phys.) ; Jadach, Stanislaw (Cracow, INP) ; Reuter, Jürgen (DESY)
High precision experimental measurements of the properties of the Higgs boson at $\sim$ 125 GeV as well as electroweak precision observables such as the W -boson mass or the effective weak leptonic mixing angle are e
arXiv:2106.11802; DESY-21-100.- 2021-09-06 - 8 p. - Published in : Eur. Phys. J. Plus 136 (2021) 911 Fulltext: PDF;

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2021-09-22
06:37
NEDA—NEutron Detector Array / Valiente-Dobón, J J (INFN, Legnaro) ; Jaworski, G (INFN, Legnaro) ; Goasduff, A (INFN, Legnaro ; Padua U. ; INFN, Padua) ; Egea, F J (INFN, Legnaro ; Padua U. ; INFN, Padua ; Valencia U., IFIC) ; Modamio, V (INFN, Legnaro ; Oslo U.) ; Hüyük, T (Valencia U., IFIC) ; Triossi, A (Padua U. ; INFN, Padua ; CERN) ; Jastrząb, M (Cracow, INP) ; Söderström, P A (ELI-NP, Bucharest) ; Di Nitto, A (Darmstadt, GSI ; Helmholtz Inst., Mainz) et al.
The performance of the Advanced GAmma Tracking Array (AGATA) at GANIL is discussed, on the basis of the analysis of source and in-beam data taken with up to 30 segmented crystals. Data processing is described in detail. [...]
arXiv:2011.08003.- 2019 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 927 (2019) 81-86

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2021-09-22
06:37
3D Printable Quark Puzzle: A Model to Build Your Own Particle Systems / McGinness, Lachlan (CERN) ; Dührkoop, Susanne (CERN) ; Woithe, Julia (CERN) ; Jansky, Alexandra (CERN)
There is an increasing emphasis on fundamental particles, including quarks, in the high school physics classroom. However, many teachers might not feel comfortable teaching particle physics because it is a highly abstract and complex topic, and there are few hands-on activities to help teachers bring it into the classroom. In 2010, Gettrust presented a two-dimensional quark puzzle, a physical manipulative that allowed students to discover the rules of the Standard Model of particle physics through inquiry. [...]
2019 - 3 p. - Published in : Phys. Teach. 57 (2019) 526-528

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2021-09-22
06:36
Entanglement and quantum tomography with top quarks at the LHC / Afik, Yoav (CERN) ; de Nova, Juan Ramón Muñoz (UCM, Madrid, Dept. Phys.)
Entanglement is a central subject in quantum mechanics. Due to its genuine relativistic behavior and fundamental nature, high-energy colliders are attractive systems for the experimental study of fundamental aspects of quantum mechanics. [...]
arXiv:2003.02280.- 2021-09-03 - 23 p. - Published in : Eur. Phys. J. Plus 136 (2021) 907 Fulltext: PDF;

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2021-09-22
06:36
Has AMS-02 Observed Two-Component Dark Matter? / Profumo, Stefano (UC, Santa Cruz) ; Queiroz, Farinaldo (IIP, Brazil) ; Siqueira, Clarissa (IIP, Brazil)
There is convincing observational evidence for an increasing cosmic-ray positron-to-electron ratio at energies larger than $\sim 10$~GeV, at odds with expectations from secondary positron production. The most recent AMS-02 data exhibit an interesting spectral feature consisting of a bump at an energy around $300$~GeV followed by a drop around $\sim 800$~GeV. [...]
arXiv:1903.07638; IIPDM-2019.- 2020 - 6 p. - Published in : J. Phys. G 48 (2020) 015006

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