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A compact frozen-spin trap for the search for the electric dipole moment of the muon
/ Adelmann, A. (Zurich, ETH ; PSI, Villigen) ; Bainbridge, A.R. (Daresbury ; Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Bailey, I. (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U. ; Lancaster U. (main)) ; Baldini, A. (INFN, Pisa ; Pisa U.) ; Basnet, S. (Shanghai Jiao Tong U. ; Shanghai Jiaotong U.) ; Berger, N. (U. Mainz, PRISMA) ; Bianco, L. (INFN, Pisa) ; Calzolaio, C. (PSI, Villigen) ; Caminada, L. (Zurich U. ; PSI, Villigen) ; Cavoto, G. (Rome U. ; INFN, Rome) et al.
The electric dipole moments~(EDM) of fundamental particles inherently violate parity~(P) and time-reversal~(T) symmetries. By virtue of the CPT theorem in quantum field theory, the latter also implies the violation of the combined charge-conjugation and parity~(CP) symmetry. [...]
arXiv:2501.18979.-
2025-06-06 - 34 p.
- Published in : Eur. Phys. J. C 85 (2025) 622
Fulltext: 2501.18979 - PDF; document - PDF;
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2.
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Search for a muon EDM using the frozen-spin technique
/ Adelmann, A. (ETH, Zurich (main) ; PSI, Villigen) ; Backhaus, M. (ETH, Zurich (main)) ; Chavez Barajas, C. (Liverpool U.) ; Berger, N. (Mainz U., Inst. Phys.) ; Bowcock, T. (Liverpool U.) ; Calzolaio, C. (PSI, Villigen) ; Cavoto, G. (Rome U. ; INFN, Rome) ; Chislett, R. (University Coll. London) ; Crivellin, A. (PSI, Villigen ; CERN ; U. Zurich (main)) ; Daum, M. (PSI, Villigen) et al.
This letter of intent proposes an experiment to search for an electric dipole moment of the muon based on the frozen-spin technique. [...]
arXiv:2102.08838.
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28 p.
Fulltext
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3.
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Heavy flavour production and spectroscopy at LHCb
/ Kozlinskiy, A (NIKHEF, Amsterdam)
At the Moriond QCD conference LHCb has presented results on heavy flavour production and spectroscopy. Here the latest results are discussed, which include the first observation and measurement of the branching fraction of the hadronic decay $B^+_e \to J/\psi\pi^+ \pi^- \pi^+$, the mass measurement of the excited B mesons and the mass measurement of the $\Xi_b$ and $\Omega_b$ baryons..
2012 - 4 p.
- Published in : , pp. 121-124
Fulltext: PDF;
In : 47th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 10 - 17 Mar 2012, pp.121-124
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The MuPix Telescope: A Thin, high Rate Tracking Telescope
/ Augustin, H. (Heidelberg U.) ; Berger, N. (Mainz U., Inst. Kernphys.) ; Dittmeier, S. (Heidelberg U.) ; Grzesik, C. (Heidelberg U.) ; Hammerich, J. (Heidelberg U.) ; Huang, Q. (Mainz U., Inst. Kernphys.) ; Huth, L. (Heidelberg U.) ; Kiehn, M. (Heidelberg U.) ; Kozlinskiy, A. (Mainz U., Inst. Kernphys.) ; Meier, F. (Heidelberg U.) et al.
The MuPix Telescope is a particle tracking telescope, optimized for tracking low momentum particles and high rates. It is based on the novel High-Voltage Monolithic Active Pixel Sensors (HV-MAPS), designed for the Mu3e tracking detector. [...]
arXiv:1611.03102.-
2017-01-30 - 8 p.
- Published in : JINST 12 (2017) C01087
Fulltext: PDF; External link: Preprint
In : Topical Workshop on Electronics for Particle Physics, Karlsruhe, Germany, 26 - 30 Sep 2016, pp.C01087
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The MuPix high voltage monolithic active pixel sensor for the Mu3e experiment
/ Augustin, H (Kirchhoff Inst. Phys.) ; Berger, N (Mainz U., Inst. Kernphys.) ; Bravar, S (Geneva U.) ; Corrodi, S (Zurich, ETH) ; Damyanova, A (Geneva U.) ; Förster, F (Kirchhoff Inst. Phys.) ; Gredig, R (Zurich U.) ; Herkert, A (Kirchhoff Inst. Phys.) ; Huang, Q (Kirchhoff Inst. Phys.) ; Huth, L (Kirchhoff Inst. Phys.) et al.
Mu3e is a novel experiment searching for charged lepton flavor violation in the rare decay μ → eee. In order to reduce background by up to 16 orders of magnitude, decay vertex position, decay time and particle momenta have to be measured precisely. [...]
2015
- Published in : JINST 10 (2015) C03044
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2014, Aix En Provence, France, 22 - 26 Sep 2014, pp.C03044
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6.
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The MuPix System-on-Chip for the Mu3e Experiment
/ Augustin, Heiko (Heidelberg U.) ; Berger, Niklaus (Mainz U., Inst. Kernphys.) ; Dittmeier, Sebastian (Heidelberg U.) ; Grzesik, Carsten (Mainz U., Inst. Kernphys.) ; Hammerich, Jan (Heidelberg U.) ; Huang, Qinhua (Mainz U., Inst. Kernphys.) ; Huth, Lennart (Heidelberg U.) ; Kiehn, Moritz (Heidelberg U.) ; Kozlinskiy, Alexandr (Mainz U., Inst. Kernphys.) ; Meier Aeschbacher, Frank (Heidelberg U.) et al.
Mu3e is a novel experiment searching for charged lepton flavor violation in the rare decay $\mu^+ \rightarrow e^+e^-e^+$. Decay vertex position, decay time and particle momenta have to be precisely measured in order to reject both accidental and physics background. [...]
arXiv:1603.08751.-
2017-02-11 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 845 (2017) 194-198
Preprint: PDF; External link: Preprint
In : 14th Vienna Conference on Instrumentation, Vienna, Austria, 15 - 19 Feb 2016, pp.194-198
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Model-independent confirmation of the $Z(4430)^-$ state
/ LHCb collaboration
The decay $B^0\to \psi(2S) K^+\pi^-$ is analyzed using $\rm 3~fb^{-1}$ of $pp$ collision data collected with the LHCb detector. A model-independent description of the $\psi(2S) \pi$ mass spectrum is obtained, using as input the $K\pi$ mass spectrum and angular distribution derived directly from data, without requiring a theoretical description of resonance shapes or their interference. [...]
arXiv:1510.01951; CERN-PH-EP-2015-244; LHCB-PAPER-2015-038; CERN-PH-EP-2015-244; LHCB-PAPER-2015-038.-
2015-12-29 - 15 p.
- Published in : Phys. Rev. D 92 (2015) 112009
APS Open Access article: PDF; Fulltext: arXiv:1510.01951 - PDF; 10.1103_PhysRevD.92.112009 - PDF; External link: Figures, tables and other information
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LHCb Detector Performance
/ LHCb collaboration
The LHCb detector is a forward spectrometer at the Large Hadron Collider (LHC) at CERN. The experiment is designed for precision measurements of CP violation and rare decays of beauty and charm hadrons. [...]
arXiv:1412.6352; LHCB-DP-2014-002; CERN-PH-EP-2014-290; CERN-PH-EP-2014-290; LHCB-DP-2014-002.-
Geneva : CERN, 2015-03-05 - 73 p.
- Published in : Int. J. Mod. Phys. A 30 (2015) 1530022
Fulltext: PDF; World Scientific Open Access article: PDF; External link: Preprint
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