2021-12-07
10:50 |
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2021-12-07
10:49 |
Progress in scale-up of R$E$BCO STAR™ wire for canted cosine theta coils and future strategies with enhanced flexibility
/ Kar, Soumen (Houston U.) ; Sandra, Jithin Sai (Houston U.) ; Luo, Wenbo (Houston U.) ; Yerraguravagari, Vamsi (Houston U.) ; Galstyan, Eduard (Houston U.) ; Jaroszynski, Jan (Florida State U.) ; Abraimov, Dmytro (Florida State U.) ; Majkic, Goran (Houston U.) ; Selvamanickam, Venkat (Houston U.)
We report recent developments in the scale-up of symmetric RE-Ba-Cu-O (R$E$BCO) tapes with 15–22 μm thick substrates. Using these symmetric R$E$BCO tapes, we fabricated up to 10 m long, symmetric tape round (STAR™) R$E$BCO wires, less than 2 mm diameter, using 1.02 mm and 0.81 mm diameter copper formers. [...]
2020 - 12 p.
- Published in : Supercond. Sci. Technol. 33 (2020) 094001
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2021-12-07
10:49 |
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2021-12-07
08:49 |
Charge radii, moments, and masses of mercury isotopes across the $N=126$ shell closure
/ Goodacre, T. Day (Manchester U. ; TRIUMF ; CERN) ; Afanasjev, A.V. (Mississippi State U.) ; Barzakh, A.E. (St. Petersburg, INP) ; Nies, L. (CERN ; Greifswald U.) ; Marsh, B.A. (CERN) ; Sels, S. (CERN ; Leuven U.) ; Perera, U.C. (Mississippi State U.) ; Ring, P. (Munich, Tech. U.) ; Wienholtz, F. (CERN ; Greifswald U.) ; Andreyev, A.N. (York U., England ; JAERI, Tokai) et al.
Combining laser spectroscopy in a Versatile Arc Discharge and Laser Ion Source, with Penning-trap mass spectrometry at the CERN-ISOLDE facility, this work reports on mean-square charge radii of neutron-rich mercury isotopes across the $N = 126$ shell closure, the electromagnetic moments of $^{207}$Hg and more precise mass values of $^{206-208}$Hg. The odd-even staggering (OES) of the mean square charge radii and the kink at $N = 126$ are analyzed within the framework of covariant density functional theory (CDFT), with comparisons between different functionals to investigate the dependence of the results on the underlying single-particle structure. [...]
arXiv:2111.10468.-
2021-11-30 - 20 p.
- Published in : Phys. Rev. C 104 (2021) 054322
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2021-12-04
06:20 |
Extraction of CKM matrix elements in the single-top $t$-channel events at 13 TeV with CMS
/ De Iorio, Agostino (Naples U. ; INFN, Naples)
/CMS Collaboration
The dominant electroweak production mechanism for single top quarks is the $t$-channel and it features a tWq vertex where q stands for b, s, or d quarks both in production and in the decay of the top quark. For this reason its cross section and branching fractions are sensitive to the strength of the electroweak coupling, making it a suitable channel for direct measurements of the magnitude of Cabibbo-Kobayashi-Maskawa (CKM) matrix elements $|V_{\mathrm{tb}}|$, $|V_{\mathrm{ts}}|$, and $|V_{\mathrm{td}}|$. [...]
SISSA, 2021 - 3 p.
- Published in : PoS ICHEP2020 (2021) 352
Fulltext: PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020, pp.352
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2021-12-04
06:20 |
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2021-12-04
04:27 |
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2021-12-03
08:03 |
Estimating the thermal photon production rate using lattice QCD
/ Török, Csaba ; Cè, Marco ; Harris, Tim ; Krasniqi, Ardit ; Meyer, Harvey B. ; Toniato, Arianna
We present results for the photon emission rate determined from the transverse channel vector correlator at fixed spatial momentum using two flavors of dynamical Wilson fermions at $T\sim$250 MeV. We estimate the transverse channel spectral function using the continuum extrapolated correlator by applying various fit ansätze with a smooth matching to the NLO perturbative result. [...]
arXiv:2112.00563; CERN-TH-2021-171.-
2021-12-01
- Published in : PoS: LATTICE2021 (2021) , pp. 172
Fulltext: PDF;
In : 38th International Symposium on Lattice Field Theory, Online, 26 - 30 Jul 2021, pp.172
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2021-11-29
04:01 |
Mounting Evidence for the Violation of Lepton Flavor Universality
/ Crivellin, Andreas (Zurich U. ; PSI, Villigen ; CERN) ; Hoferichter, Martin (Bern U.)
The Standard Model (SM) of particle physics was finalized in its current form in the mid-1970s, and has been extensively tested and confirmed ever since, with the discovery of the Higgs boson in 2012 being the last missing piece. While no new particles have been directly discovered at the Large Hadron Collider (LHC) at CERN so far, precision observables sensitive to quantum effects of new particles have accumulated intriguing hints for physics beyond the SM. [...]
arXiv:2111.12739; CERN-TH-2021-193; PSI-PR-21-26; ZU-TH 55/21.-
2021-11-24 - 3 p.
- Published in : Science 374 (2021) 1051
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2021-11-26
06:10 |
Impact of new operational dosimetric quantities on individual monitoring services
/ Caresana, M (Milan, Polytech.) ; Garlati, L (Milan, Polytech.) ; Zorloni, G (Milan, Polytech.) ; Behrens, R (Braunschweig, Phys. Tech. Bund.) ; Otto, T (CERN) ; Minchillo, G (Euratom, Ispra) ; Rossi, F (Fisica Sanitaria AOU Careggi, Firenze)
The new operational dosimetric quantities framework, proposed in the ICRU95
report, has stimulated the scientific community to start investigations that aim
to assess its impact on radiation protection practices. As part of this effort, the
present study describes an inter-comparison exercise among individual monitoring services (IMSs) on passive whole-body dosimetry [...]
2021 - 12 p.
- Published in : Journal of Radiological Protection 41 (2021) 1110-1121
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