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CERN Document Server Намерени са 2,031 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.37 секунди. 
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Astrophobic Axions / Di Luzio, Luca (Durham U., IPPP) ; Mescia, Federico (ICC, Barcelona U.) ; Nardi, Enrico (Frascati) ; Panci, Paolo (CERN) ; Ziegler, Robert (CERN)
We propose a class of axion models with generation dependent Peccei-Quinn charges for the known fermions that allow to suppress the axion couplings to nucleons and electrons. Astrophysical limits are thus relaxed, allowing for axion masses up to ${\cal O}(0.1)$ eV. [...]
arXiv:1712.04940; IPPP-17-102; CERN-TH-2017-256.- 2018-06-30 - 6 p. - Published in : Phys. Rev. Lett. 120 (2018) 261803 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF;
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Towards a new generation axion helioscope / Irastorza, I.G. (Zaragoza U.) ; Avignone, F.T. (South Carolina U.) ; Caspi, S. (LBL, Berkeley) ; Carmona, J.M. (Zaragoza U.) ; Dafni, T. (Zaragoza U.) ; Davenport, M. (CERN) ; Dudarev, A. (CERN) ; Fanourakis, G. (Democritos Nucl. Res. Ctr.) ; Ferrer-Ribas, E. (DAPNIA, Saclay) ; Galan, J. (Zaragoza U. ; DAPNIA, Saclay) et al.
We study the feasibility of a new generation axion helioscope, the most ambitious and promising detector of solar axions to date. We show that large improvements in magnetic field volume, x-ray focusing optics and detector backgrounds are possible beyond those achieved in the CERN Axion Solar Telescope (CAST). [...]
arXiv:1103.5334.- 2011 - 37 p. - Published in : JCAP 06 (2011) 013 Fulltext: PDF; External link: Preprint
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The Peccei-Quinn mechanism without an axion. - rev. version / Nelson, A E
NSF-ITP-90-104-rev ; UCSD-PTH-90-13-rev. - 1990. - 11 p.
CERN library copies
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Quark Flavor Phenomenology of the QCD Axion / Martin Camalich, Jorge (IAC, La Laguna ; Laguna U., Tenerife) ; Pospelov, Maxim (Minnesota U. ; Minnesota U., Theor. Phys. Inst.) ; Vuong, Pham Ngoc Hoa (LPSC, Grenoble) ; Ziegler, Robert (CERN ; KIT, Karlsruhe, TTP) ; Zupan, Jure (Cincinnati U.)
Axion models with generation-dependent Peccei-Quinn charges can lead to flavor-changing neutral currents, thus motivating QCD axion searches at precision flavor experiments. We rigorously derive limits on the most general effective flavor-violating couplings from current measurements and assess their discovery potential. [...]
arXiv:2002.04623.- 2020-07-28 - 24 p. - Published in : Phys. Rev. D 102 (2020) 015023 Article from SCOAP3: PDF; Fulltext: PDF;
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Flavored Axions / Ziegler, Robert (CERN)
Precision flavor experiments can look for the QCD axion complementarily to usual searches with axion helio- and haloscopes, allowing to test PQ breaking scales as high as $10^{12} \, {\rm GeV}$. Such searches are sensitive to flavor-violating axion couplings, which are generic and potentially sizable whenever SM fermions carry flavor non-universal PQ charges. [...]
arXiv:1905.01084.- SISSA, 2019-04-30 - 8 p. - Published in : PoS CORFU2018 (2019) 035 Fulltext: 1905.01084 - PDF; PoS(CORFU2018)035 - PDF;
In : Corfu2018: 18th Hellenic School and Workshops on Elementary Particle Physics and Gravity, Corfu, Corfu, Greece, 31 Aug - 28 Sep 2018, pp.035
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Flavor probes of axion-like particles / Bauer, Martin (Durham U., IPPP) ; Neubert, Matthias (Mainz U., Inst. Phys. ; U. Mainz, PRISMA ; Cornell U., LEPP) ; Renner, Sophie (SISSA, Trieste ; INFN, Trieste ; CERN) ; Schnubel, Marvin (Mainz U., Inst. Phys. ; U. Mainz, PRISMA) ; Thamm, Andrea (Melbourne U.)
Axions and axion-like particles (ALPs) are well-motivated low-energy relics of high-energy extensions of the Standard Model (SM). We investigate the phenomenology of an ALP with flavor-changing couplings, and present a comprehensive analysis of quark and lepton flavor-changing observables within a general ALP effective field theory. [...]
arXiv:2110.10698; MITP/21-025; CERN-TH-2021-148; IPPP/21/37.- 2022-09-07 - 122 p. - Published in : JHEP 09 (2022) 056 Fulltext: document - PDF; 2110.10698 - PDF;
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CERN Axion Solar Telescope as a probe of large extra dimensions / Horvat, R (Boskovic Inst., Zagreb) ; Krcmar, M (Boskovic Inst., Zagreb) ; Lakic, B (Boskovic Inst., Zagreb)
We explore the potential of the CERN Axion Solar Telescope (CAST) for testing the presence of large extra dimensions. The CAST experiment has originally been proposed to search for solar axions with a sensitivity supposed to provide a limit on the axion-photon coupling g_{a\gamma\gamma}<5x10^{-11} GeV^{-1} or even lower. [...]
astro-ph/0312030; IRB-ZEF-2003-52.- Zagreb : Rudjer Bovskovic Inst., 2004 - 5 p. - Published in : Phys. Rev. D 69 (2004) 125011 External link: Fulltext
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Wormholes and Peccei-Quinn symmetries / Choi, K ; Holman, R
CMU-HEP-89-21. - 1989. - 13 p.
CERN library copies
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Lower bound for branching ratio of K$^{+}$ --> pi$^{+}$ axion and non-existence of Peccei-Quinn axion / Antoniadis, Ignatios ; Truong, T N
1981. - 14 p.
CERN library copies
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The Peccei-Quinn mechanism and dimension six CP violating operators / Bander, M
UCI-TR-90-21. - 1990. - 6 p.
CERN library copies
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