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Fabrication and Low-Power Test of Disk-and-Washer Cavity for Muon Acceleration
/ Takeuchi, Yusuke (Kyushu U.) ; Cicek, Ersin (KEK, Tsukuba) ; Ego, Hiroyasu (KEK, Tsukuba) ; Futatsukawa, Kenta (KEK, Tsukuba) ; Iwashita, Yoshihisa (Kyoto U., KURRI) ; Kawamura, Naritoshi (KEK, Tsukuba) ; Kitamura, Ryo (JAEA, Ibaraki) ; Kondo, Yasuhiro (J-PARC) ; Mibe, Tsutomu (KEK, Tsukuba) ; Morishita, Takatoshi (J-PARC) et al.
The muon g-2/EDM experiment is under preparation at Japan Proton Accelerator Research Complex (J-PARC), and the muon linear accelerator for the experiment is being developed. A Disk-and-Washer (DAW) cavity will be used for the medium-velocity part of the accelerator, and muons will be accelerated from v/c=ß=0.3 to 0.7 with the operating frequency of 1.296 GHz. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 1534-1537
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.1534-1537
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Design and Beam Dynamics Study of Disk-Loaded Structure for Muon Linac
/ Sumi, Kazumichi (Nagoya U.) ; Ego, Hiroyasu (KEK, Tsukuba) ; Iijima, Toru (Nagoya U.) ; Inami, Kenji (Nagoya U.) ; Kondo, Yasuhiro (J-PARC) ; Mibe, Tsutomu (KEK, Tsukuba) ; Moriya, Katsuhiro (JAEA, Ibaraki) ; Nakazawa, Yuga (Ibaraki U., Mito) ; Otani, Masashi (J-PARC) ; Saito, Naohito (KEK, Tsukuba) et al.
The disk-loaded structures (DLS) in the muon LINAC are under development for the J-PARC muon g-2/EDM experiment. Four DLSs with an accelerating gradient of 20 MV/m take charge of muon acceleration from 40 MeV to 212 MeV, which corresponds to 70% to 94% of the speed of light. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 94-97
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.94-97
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3.
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Prospects for precise predictions of $a_\mu$ in the Standard Model
/ Colangelo, G. (U. Bern (main)) ; Davier, M. (IJCLab, Orsay) ; El-Khadra, A.X. (Illinois U., Urbana ; Fermilab) ; Hoferichter, M. (U. Bern (main)) ; Lehner, C. (Regensburg U.) ; Lellouch, L. (Marseille, CPT) ; Mibe, T. (KEK, Tsukuba) ; Roberts, B.L. (Boston U.) ; Teubner, T. (Liverpool U., Dept. Math.) ; Wittig, H. (U. Mainz, PRISMA ; Darmstadt, GSI) et al.
We discuss the prospects for improving the precision on the hadronic corrections to the anomalous magnetic moment of the muon, and the plans of the Muon $g-2$ Theory Initiative to update the Standard Model prediction..
arXiv:2203.15810 ; FERMILAB-CONF-22-236-T ; LTH 1303 ; MITP-22-030.
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Fermilab Library Server - eConf - Fulltext - Fulltext
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The anomalous magnetic moment of the muon in the Standard Model
/ Aoyama, T. (KEK, Tsukuba ; Nishina Ctr., RIKEN ; KMI, Nagoya) ; Asmussen, N. (Southampton U.) ; Benayoun, M. (Paris U., VI-VII) ; Bijnens, J. (Lund U.) ; Blum, T. (Connecticut U. ; RIKEN BNL) ; Bruno, M. (CERN) ; Caprini, I. (Bucharest, IFIN-HH) ; Carloni Calame, C.M. (INFN, Pavia) ; Cè, M. (CERN ; Mainz U., Inst. Phys. ; Darmstadt, GSI ; Helmholtz Inst., Mainz) ; Colangelo, G. (U. Bern, AEC) et al.
We review the present status of the Standard Model calculation of the anomalous magnetic moment of the muon. This is performed in a perturbative expansion in the fine-structure constant $\alpha$ and is broken down into pure QED, electroweak, and hadronic contributions. [...]
arXiv:2006.04822; FERMILAB-PUB-20-207-T; INT-PUB-20-021; KEK Preprint 2020-5,
MITP/20-028; KEK Preprint 2020-5, MITP/20-028; CERN-TH-2020-075; IFT-UAM/CSIC-20-74; LMU-ASC 18/20; LTH 1234,
LU TP 20-20; LTH 1234, LU TP 20-20; MAN/HEP/2020/003; PSI-PR-20-06; UWThPh 2020-14; ZU-TH 18/20.-
Geneva : CERN, 2020-12-03 - 166 p.
- Published in : Phys. Rep. 887 (2020) 1-166
Fulltext: 2006.04822 - PDF; fermilab-pub-20-207-t - PDF; Fulltext from Publisher: PDF; External links: Fermilab News article; Fermilab Library Server (fulltext available)
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A Pair Polarimeter for Linearly Polarized High Energy Photons
/ de Jager, Cornelis (Jefferson Lab) ; Wojtsekhowski, Bogdan (Jefferson Lab) ; Tedeschi, David (South Carolina U.) ; Vlahovic, Branislav (Jefferson Lab ; North Carolina Central U.) ; Abbott, David (Jefferson Lab) ; Asai, J. (Saskatchewan U.) ; Feldman, Gerald (George Washington U.) ; Hotta, Akio (Osaka U., Res. Ctr. Nucl. Phys.) ; Khadaker, M. (Norfolk State U.) ; Kohri, M. (Osaka U., Res. Ctr. Nucl. Phys.) et al.
A high quality beam of linearly polarized photons of several GeV will become available with the coherent bremsstrahlung technique at JLab. We have developed a polarimeter which requires about two meters of the beam line, has an analyzing power of 20% and an efficiency of 0.02%. [...]
physics/0702246; JLAB-PHY-03-162; JLAB-PHY-2003-162.-
Newport News, VA : Thomas Jefferson Nat. Accel. Facil., 2004 - 4 p.
- Published in : Eur. Phys. J. A 19 (2004) S275-S278
Access to fulltext document: PDF; Fulltext: PDF; External link: JLab Document Server
In : 4th International Conference on Perspectives in Hadronic Physics, Trieste, Italy, 12 - 16 May 2003, pp.S275-S278
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The first operation of laser electron photon facility in SPring-8
/ Ahn, J K ; Akimune, H ; Asano, A ; Daté, S ; Fujiwara, M ; Hicks, K ; Hotta, T ; Iwata, T ; Kumagai, N ; Matsumura, T et al.
1999
In : 12th Symposium on Accelerator Science and Technology, Wako, Japan, 27 - 29 Oct 1999, pp.141-143
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7.
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First results from Spring-8/LEPS and prospects
/ Ahn, J K ; Akimune, H ; Asano, Y ; Chang, W C ; Daté, S ; Fujiwara, M ; Hicks, K ; Hotta, T ; Imai, K ; Ishikawa, T et al.
2001
In : 1st International Symposium on Hadrons and Nuclei, Seoul, Korea, 20 - 22 Feb 2001, pp.76-84
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8.
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A Pair Polarimeter for Linearly Polarized High Energy Photons
/ De Jager, C ; Wojtsekhowski, B ; Tedeschi, D J ; Vlahovic, B ; Abbott, D ; Asai, J ; Feldman, G J ; Hotta, T ; Khadaker, M ; Kohri, H et al.
2004
- Published in : Eur. Phys. J. A 19 (2004) 275-278
In : 4th International Conference on Perspectives in Hadronic Physics, Trieste, Italy, 12 - 16 May 2003, pp.275-278
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