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CERN Document Server Pronađeno je 574 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.91 sekundi 
1.
Search for solar axions produced through the axion-electron coupling $g_{ae}$ using a new GridPix detector at CAST / CAST Collaboration
We present a search for solar axions produced through the axion-electron coupling $(g_{ae})$ using data from a novel 7-GridPix detector installed at the CERN Axion Solar Telescope (CAST). [...]
arXiv:2505.05909. - 21.
Fulltext
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2.
Daily modulations and broadband strategy in axion searches: An application with the CAST-CAPP detector / Caspers, F. (ESI, Archamps ; CERN) ; Adair, C.M. (British Columbia U.) ; Altenmüller, K. (Zaragoza U.) ; Anastassopoulos, V. (Patras U.) ; Cuendis, S. Arguedas (CERN) ; Baier, J. (Freiburg U.) ; Barth, K. (CERN) ; Belov, A. (Unlisted) ; Bozicevic, D. (Rijeka U.) ; Bräuninger, H. (Garching, Max Planck Inst., MPE) et al.
It has been previously advocated that the presence of the daily and annual modulations of the axion flux on the Earth's surface may dramatically change the strategy of the axion searches. The arguments were based on the so-called Axion Quark Nugget (AQN) dark matter model which was originally put forward to explain the similarity of the dark and visible cosmological matter densities $\Omega_{\rm dark}\sim \Omega_{\rm visible}$. [...]
arXiv:2405.10972.- 2025-04-15 - 18 p. - Published in : Phys. Rev. D 111 (2025) 082009 Fulltext: PDF;
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3.
New Upper Limit on the Axion-Photon Coupling with an Extended CAST Run with a Xe-Based Micromegas Detector / CAST Collaboration
Hypothetical axions provide a compelling explanation for dark matter and could be emitted from the hot solar interior. The CERN Axion Solar Telescope (CAST) has been searching for solar axions via their back conversion to X-ray photons in a 9-T 10-m long magnet directed towards the Sun. [...]
arXiv:2406.16840.- 2024-11-27 - 9 p. - Published in : Phys. Rev. Lett. 133 (2024) 221005 Fulltext: 2406.16840 - PDF; Publication - PDF;
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4.
Search for dark matter axions with CAST-CAPP / Adair, C.M. (British Columbia U.) ; Altenmüller, K. (Zaragoza U.) ; Anastassopoulos, V. (Patras U.) ; Cuendis, S. Arguedas (CERN) ; Baier, J. (Freiburg U.) ; Barth, K. (CERN) ; Belov, A. (Moscow, INR) ; Bozicevic, D. (Rijeka U.) ; Bräuninger, H. (Garching, Max Planck Inst., MPE) ; Cantatore, G. (INFN, Trieste ; Trieste U.) et al.
The CAST-CAPP axion haloscope, operating at CERN inside the CAST dipole magnet, has searched for axions in the 19.74 $\mu$eV to 22.47 $\mu$eV mass range. The detection concept follows the Sikivie haloscope principle, where Dark Matter axions convert into photons within a resonator immersed in a magnetic field. [...]
arXiv:2211.02902.- 2022-10-19 - 9 p. - Published in : Nature Commun. 13 (2022) 6180 Fulltext: 2211.02902 - PDF; s41467-022-33913-6 - PDF;
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5.
Majorana Neutrinos with Displaced Vertices and Implementation into Sherpa / Hoffmann, Hans
The inclusion of the Seesaw model type I into Sherpa using UFO is explained [...]
CERN-THESIS-2016-444 -

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6.
Photoexcitation of $^{76}$Ge / Schwengner, R. (HZDR, Dresden) ; Massarczyk, R. (Los Alamos) ; Schmidt, K. (HZDR, Dresden) ; Zuber, K. (Dresden, Tech. U.) ; Beyer, R. (HZDR, Dresden) ; Bemmerer, D. (HZDR, Dresden) ; Hammer, S. (HZDR, Dresden) ; Hartmann, A. (HZDR, Dresden) ; Hensel, T. (HZDR, Dresden ; Dresden, Tech. U.) ; Hoffmann, H.F. (HZDR, Dresden ; Dresden, Tech. U.) et al.
The dipole strength of the nuclide $^{76}$Ge was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of energies of 7.8 and 12.3 MeV at the $\gamma$ELBE facility. We identified 210 levels up to an excitation energy of 9.4 MeV and assigned spin $J$ = 1 to most of them. [...]
arXiv:2106.12214.- 2022-02-04 - 12 p. - Published in : Phys. Rev. C 105 (2022) 024303 Fulltext: 2106.12214 - PDF; PhysRevC.105.024303 - PDF;
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7.
First results of the CAST-RADES haloscope search for axions at 34.67 $\mu$eV / CAST Collaboration
We present results of the Relic Axion Dark-Matter Exploratory Setup (RADES), a detector which is part of the CERN Axion Solar Telescope (CAST), searching for axion dark matter in the 34.67$\mu$eV mass range. A radio frequency cavity consisting of 5 sub-cavities coupled by inductive irises took physics data inside the CAST dipole magnet for the first time using this filter-like haloscope geometry. [...]
arXiv:2104.13798; CERN-EP-2021-070.- 2021 - 14 p. - Published in : JHEP 2021 (2021) 075 Fulltext: PDF;
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8.
Electric and magnetic dipole strength in $^{66}$Zn / Schwengner, R (HZDR, Dresden) ; Massarczyk, R (Los Alamos) ; Scheck, M (Paisley U.) ; Tornow, W (Duke U. ; TUNL, Durham) ; Battaglia, G (Strathclyde U.) ; Beck, T (Darmstadt, Tech. Hochsch.) ; Bemmerer, D (HZDR, Dresden) ; Benouaret, N (Algiers U. Sci. Tech.) ; Beyer, R (HZDR, Dresden) ; Butterling, M (HZDR, Dresden) et al.
The dipole strength of the nuclide $^{66}$Zn was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of energies of 7.5 and 13.4 MeV at the γELBE facility as well as using quasimonoenergetic and linearly polarized photon beams of 30 energies within the range of 4.3 to 9.9 MeV at the HIγS facility. A total of 128 J=1 states were identified, among them 9 with 1$^+$ and 86 with 1$^−$ assignments. [...]
2021 - 14 p. - Published in : Phys. Rev. C 103 (2021) 024312 Fulltext: PDF;
Detaljnije
9.
Experimental Study of Different Silicon Sensor Options for the Upgrade of the CMS Outer Tracker / Tracker Group of the CMS Collaboration
During the high-luminosity phase of the LHC (HL-LHC), planned to start around 2027, the accelerator is expected to deliver an instantaneous peak luminosity of up to $7.5\times10^{34}$ cm$^{-2}$s$^{-1}$. A total integrated luminosity of $3000$ or even $4000$~fb$^{-1}$ is foreseen to be delivered to the general purpose detectors ATLAS and CMS over a decade, thereby increasing the discovery potential of the LHC experiments significantly. [...]
arXiv:2001.02023.- 2020-04-22 - 34 p. - Published in : JINST 15 (2020) P04017 Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF;
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10.
First Results on the Search for Chameleons with the KWISP Detector at CAST / Arguedas Cuendis, S. (CERN) ; Baier, J. (Freiburg U.) ; Barth, K. (CERN) ; Baum, S. (Royal Inst. Tech., Stockholm ; Stockholm U., OKC ; Nordita) ; Bayirli, A. (Istanbul U.) ; Belov, A. (Moscow, INR) ; Bräuninger, H. (Garching, Max Planck Inst., MPE) ; Cantatore, G. (INFN, Trieste ; Trieste U.) ; Carmona, J.M. (Zaragoza U.) ; Castel, J.F. (Zaragoza U.) et al.
We report on a first measurement with a sensitive opto-mechanical force sensor designed for the direct detection of coupling of real chameleons to matter. These dark energy candidates could be produced in the Sun and stream unimpeded to Earth. [...]
arXiv:1906.01084.- 2019-12 - 21 p. - Published in : Phys. Dark Univ. 26 (2019) 100367 Fulltext: 1-s2.0-S2212686419301517-main - PDF; 1906.01084 - PDF; Fulltext from Publisher: PDF;
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CERN Document Server : Pronađeno je 574 zapisa   1 - 10slijedećikraj  idi na zapis:
Također vidi: slična imena autora
1 Hoffmann, H -F
32 Hoffmann, H F
1 Hoffmann, H H
1 Hoffmann, H.F
3 Hoffmann, H.F.
5 Hoffmann, Hans
138 Hoffmann, Hans Falk
1 Hoffmann, Hella-Franziska
1 Hoffmann, Holger
1 Hoffmann, Horst
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