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Bounding elastic photon-photon scattering at $\sqrt s \approx 1\,$MeV using a laser-plasma platform
/ Watt, R. (JAI, UK) ; Kettle, B. (JAI, UK) ; Gerstmayr, E. (JAI, UK) ; King, B. (Plymouth U.) ; Alejo, A. (Queen's U., Belfast) ; Astbury, S. (Rutherford) ; Baird, C. (York U., England, Dept. Math.) ; Bohlen, S. (DESY) ; Campbell, M. (CERN) ; Colgan, C. (JAI, UK) et al.
We report on a direct search for elastic photon-photon scattering using x-ray and $\gamma$ photons from a laser-plasma based experiment. [...]
arXiv:2407.12915.
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8 p.
Fulltext
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EuPRAXIA – a compact, cost-efficient particle and radiation source
/ Weikum, M K (DESY) ; Akhter, T (INFN, Naples) ; Alesini, P D (LNF, Dafne Light) ; Alexandrova, A S (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Anania, M P (LNF, Dafne Light) ; Andreev, N E (Lebedev Inst. ; Moscow, MIPT) ; Andriyash, I (SOLEIL, Saint-Aubin) ; Aschikhin, A (DESY) ; Assmann, R W (DESY) ; Audet, T (LPGP, Orsay) et al.
Plasma accelerators present one of the most suitable candidates for the development of more compact particle
acceleration technologies, yet they still lag behind radiofrequency (RF)-based devices when it comes to beam quality,
control, stability and power efficiency. The Horizon 2020-funded project EuPRAXIA (“European Plasma Research
Accelerator with eXcellence In Applications”) aims to overcome the first three of these hurdles by developing a
conceptual design for a first international user facility based on plasma acceleration. [...]
2019 - 9 p.
- Published in : AIP Conf. Proc. 2160 (2019) 040012
In : 25th Conference on Application of Accelerators in Research and Industry (CAARI 2018), Grapevine, TX, United States, 12 - 17 Aug 2018, pp.040012
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A laser-plasma platform for photon-photon physicsA laser–plasma platform for photon–photon physics: the two photon Breit–Wheeler process
/ Kettle, B. (JAI, UK) ; Hollatz, D. (Helmholtz Inst., Jena ; U. Jena (main) ; Jena U.) ; Gerstmayr, E. (JAI, UK) ; Samarin, G.M. (Queen's U., Belfast) ; Alejo, A. (Queen's U., Belfast) ; Astbury, S. (Rutherford) ; Baird, C. (York U., England) ; Bohlen, S. (DESY) ; Campbell, M. (CERN) ; Colgan, C. (JAI, UK) et al.
We describe a laser-plasma platform for photon-photon collision experiments to measure fundamental quantum electrodynamic processes such as the linear Breit-Wheeler process with real photons. The platform has been developed using the Gemini laser facility at the Rutherford Appleton Laboratory. [...]
arXiv:2106.15170.-
2021-11-03 - 19 p.
- Published in : New J. Phys. 23 (2021) 115006
Fulltext: 2106.15170 - PDF; Publication - PDF; document - PDF;
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Lattice determination of $I= 0$ and 2 $\pi\pi$ scattering phase shifts with a physical pion mass
/ RBC Collaboration
Phase shifts for $s$-wave $\pi\pi$ scattering in both the $I=0$ and $I=2$ channels are determined from a lattice QCD calculation performed on 741 gauge configurations obeying G-parity boundary conditions with a physical pion mass and lattice size of $32^3\times 64$. These results support our recent study of direct CP violation in $K\to\pi\pi$ decay \cite{Abbott:2020hxn}, improving our earlier 2015 calculation \cite{Bai:2015nea}. [...]
arXiv:2103.15131; CERN-TH-2021-039.-
2021-12-01 - 88 p.
- Published in : Phys. Rev. D 104 (2021) 114506
Fulltext: 2103.15131 - PDF; PhysRevD.104.114506 - PDF;
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EuPRAXIA Conceptual Design Report
/ Assmann, R W (DESY) ; Weikum, M K (DESY) ; Akhter, T (INFN, Naples) ; Alesini, D (Frascati) ; Alexandrova, A S (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Anania, M P (Frascati) ; Andreev, N E (ITAE, Moscow ; Moscow, MIPT) ; Andriyash, I (Weizmann Inst.) ; Artioli, M (ENEA, Bologna) ; Aschikhin, A (DESY) et al.
This report presents the conceptual design of a new European research infrastructure EuPRAXIA. The concept has been established over the last four years in a unique collaboration of 41 laboratories within a Horizon 2020 design study funded by the European Union. [...]
2020 - 610 p.
- Published in : Eur. Phys. J. Spec. Top. 229 (2020) 3675-4284
- Published in : Eur. Phys. J. Spec. Top. 229 (2020) 11-31
Fulltext from Publisher: PDF;
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Prototype of a Single-Phase Liquid Argon TPC for DUNE
/ De roeck, A et al.
- ProtoDUNE-SP.
Approved: 28 September 2016.-
Status: Preparation
External link: Experiment home page
Experiment: NP04
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Study of the $^{44}$Ti$(\alpha,p)^{47}$V47 reaction and implications for core collapse supernovae
/ Margerin, V (Edinburgh U.) ; Murphy, A St J (Edinburgh U.) ; Davinson, T (Edinburgh U.) ; Dressler, R (PSI, Villigen) ; Fallis, J (TRIUMF) ; Kankainen, A (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Laird, A M (York U., England) ; Lotay, G (Edinburgh U.) ; Mountford, D J (Edinburgh U.) ; Murphy, C D (Edinburgh U.) et al.
The underlying physics triggering core collapse supernovae is not fully understood but observations of material ejected during such events helps to solve this puzzle. In particular, several satellite based γ -ray observations of the isotope 44 Ti have been reported recently [...]
2014 - 4 p.
- Published in : Phys. Lett. B 731 (2014) 358-361
Elsevier Open Access article: PDF;
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Domain wall QCD with physical quark masses
/ UKQCD collaborations
We present results for several light hadronic quantities ($f_\pi$, $f_K$, $B_K$, $m_{ud}$, $m_s$, $t_0^{1/2}$, $w_0$) obtained from simulations of 2+1 flavor domain wall lattice QCD with large physical volumes and nearly-physical pion masses at two lattice spacings. We perform a short, O(3)%, extrapolation in pion mass to the physical values by combining our new data in a simultaneous chiral/continuum `global fit' with a number of other ensembles with heavier pion masses. [...]
arXiv:1411.7017; KEK-TH-1769; RBRC-1095; DAMTP-2014-86.-
2016-04-12 - 68 p.
- Published in : Phys. Rev. D 93 (2016) 074505
Fulltext: 10.1103_PhysRevD.93.074505 - PDF; arXiv:1411.7017 - PDF; External link: Preprint
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