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Strong Interaction Physics at the Luminosity Frontier with 22 GeV Electrons at Jefferson Lab
/ Accardi, A. (Hampton U.) ; Achenbach, P. (Jefferson Lab) ; Adhikari, D. (Virginia Tech.) ; Afanasev, A. (George Washington U.) ; Akondi, C.S. (Florida State U.) ; Akopov, N. (Yerevan Phys. Inst.) ; Albaladejo, M. (Valencia U., IFIC) ; Albataineh, H. (Texas A-M ; HARC, Woodlands) ; Albrecht, M. (Jefferson Lab) ; Almeida-Zamora, B. (Sonora U.) et al.
This document presents the initial scientific case for upgrading the Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Lab (JLab) to 22 GeV. It is the result of a community effort, incorporating insights from a series of workshops conducted between March 2022 and April 2023. [...]
arXiv:2306.09360; JLAB-PHY-23-3840; JLAB-THY-23-3848.-
2024-09-04 - 139 p.
- Published in : Eur. Phys. J. A 60 (2024) 173
Fulltext: PDF; External link: JLab Document Server
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2.
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50 Years of Quantum Chromodynamics
/ Gross, Franz (Jefferson Lab ; William-Mary Coll.) ; Klempt, Eberhard (Bonn U., HISKP) ; Brodsky, Stanley J. (SLAC) ; Buras, Andrzej J. (TUM-IAS, Munich) ; Burkert, Volker D. (Jefferson Lab) ; Heinrich, Gudrun (KIT, Karlsruhe, TP) ; Jakobs, Karl (Freiburg U.) ; Meyer, Curtis A. (Carnegie Mellon U.) ; Orginos, Kostas (Jefferson Lab ; William-Mary Coll.) ; Strickland, Michael (Kent State U.) et al.
This paper presents a comprehensive review of both the theory and experimental successes of Quantum Chromodynamics, starting with its emergence as a well defined theory in 1972-73 and following developments and results up to the present day. Topics include a review of the earliest theoretical and experimental foundations; the fundamental constants of QCD; an introductory discussion of lattice QCD, the only known method for obtaining exact predictions from QCD; methods for approximating QCD, with special focus on effective field theories; QCD under extreme conditions; measurements and predictions of meson and baryon states; a special discussion of the structure of the nucleon; techniques for study of QCD at high energy, including treatment of jets and showers; measurements at colliders; weak decays and quark mixing; and a section on the future, which discusses new experimental facilities or upgrades currently funded. [...]
arXiv:2212.11107.-
2023-12 - 636 p.
- Published in : Eur. Phys. J. C 83 (2023) 1125
Fulltext: 2212.11107 - PDF; Publication - PDF; External link: JLAB Document Server
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3.
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The present and future of QCD
/ Achenbach, P. (Jefferson Lab) ; Adhikari, D. (Virginia Tech.) ; Afanasev, A. (George Washington U. ; Jefferson Lab) ; Afzal, F. (Bonn U., HISKP ; Bonn U.) ; Aidala, C.A. (Michigan U.) ; Al-bataineh, A. (Jordan U. Sci. Tech. ; Yarmouk U. ; Kansas U.) ; Almaalol, D.K. (Illinois U., Urbana ; Illinois U., Urbana (main)) ; Amaryan, M. (Old Dominion U. ; Old Dominion U. (main)) ; Androić, D. (Zagreb U.) ; Armstrong, W.R. (Argonne ; Argonne, PHY) et al.
This White Paper presents the community inputs and scientific conclusions from the Hot and Cold QCD Town Meeting that took place September 23-25, 2022 at MIT, as part of the Nuclear Science Advisory Committee (NSAC) 2023 Long Range Planning process. A total of 424 physicists registered for the meeting. [...]
arXiv:2303.02579; JLAB-PHY-23-3808.-
2024-04-15 - 111 p.
- Published in : Nucl. Phys. A 1047 (2024) 122874
Fulltext: 2303.02579 - PDF; Publication - PDF; External link: JLab Document Server
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4.
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5.
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Production and decay of $\eta^\prime$(958) and $\eta$(1440) in $\bar{p} p$ annihilation at rest
/ Amsler, Claude (U. Zurich (main)) ; Anisovich, A V (U. Bonn (main)) ; Baker, C A (Rutherford) ; Barnett, B M (U. Bonn (main)) ; Batty, C J (Rutherford) ; Blum, P (Karlsruhe U.) ; Braune, K (LMU Munich (main)) ; Credé, V (U. Bonn (main)) ; Crowe, K M (LBNL, Berkeley) ; Doser, M (CERN) et al.
We report on a study of four reactions in $\bar{\mathrm p}{\mathrm p}$ annihilation at rest, of $\bar{\mathrm p}{\mathrm p} \rightarrow 2\pi^ + 2\pi^-\eta$, $\bar{\mathrm p}{\mathrm p} \rightarrow 2\pi^ + 2\pi^- 2\pi^0$, $\bar{\mathrm p}{\mathrm p} \rightarrow 2\pi^ + 2\pi^-\gamma$ and $\bar{\mathrm p}{\mathrm p}\rightarrow 4\pi^0\eta$. The $\eta^\prime$ and the $\eta$(1440) are seen in their decays into $\pi^ + \pi^-\eta$, $\pi^0\pi^0\eta$ and $\pi^ + \pi^-\gamma$ ; no signal is seen in the $4\pi$ invariant mass distribution. [...]
2004 - 8 p.
- Published in : Eur. Phys. J. C 33 (2004) 23-30
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6.
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Spin Density Matrix of the $\omega$ in the Reaction $\bar{p} p \, \rightarrow \, \omega \pi^0$
/ Amsler, C. (Zurich U.) ; Heinsius, F.H. (Ruhr U., Bochum) ; Koch, H. (Ruhr U., Bochum) ; Kopf, B. (Ruhr U., Bochum) ; Kurilla, U. (Ruhr U., Bochum) ; Meyer, C.A. (Carnegie Mellon U.) ; Peters, K. (Ruhr U., Bochum) ; Pychy, J. (Ruhr U., Bochum) ; Steinke, M. (Ruhr U., Bochum) ; Wiedner, U. (Ruhr U., Bochum)
/Crystal Barrel Collaboration
The spin density matrix of the $\omega$ has been determined for the reaction $\bar{p} p \, \rightarrow \, \omega \pi^0$ with unpolarized in-flight data measured by the Crystal Barrel LEAR experiment at CERN. The two main decay modes of the $\omega$ into $\pi^0 \gamma $ and $\pi^+ \pi^- \pi^0$ have been separately analyzed for various $\bar{p}$ momenta between 600 and 1940 MeV/c. [...]
arXiv:1410.3743.-
2015-03-17 - 12 p.
- Published in : Eur. Phys. J. C 75 (2015) 124
Article from SCOAP3: PDF; Fulltext: arXiv:1410.3743 - PDF; 1410.3743 - PDF; External link: Preprint
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Search for a new light gauge boson in π0, η and η' decays
/ Crystal Barrel Collaboration
Upper limits for the production of new light gauge bosons in π0, η and η′ decays have been obtained with the Crystal Barrel detector. The kinematically well-constrained reactions p̅p → π0π0 P have been studied, where P ? π 0, η, η′ decays through the emission of a single photon recoiling against a missing state X. [...]
1996
- Published in : Z. Phys. C 70 (1996) 219
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