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1.
High-density gas target at the LHCb experiment / Boente Garcia, O. (LLR, Palaiseau) ; Bregliozzi, G. (CERN) ; Calegari, D. (CERN) ; Carassiti, V. (INFN, Ferrara) ; Ciullo, G. (INFN, Ferrara ; Ferrara U.) ; Coco, V. (CERN) ; Collins, P. (CERN) ; Pinto, P. Costa (CERN) ; De Angelis, C. (Cagliari U. ; INFN, Cagliari) ; Di Nezza, P. (Frascati) et al.
The recently installed internal gas target at LHCb presents exceptional opportunities for an extensive physics program for heavy-ion, hadron, spin, and astroparticle physics. A storage cell placed in the LHC primary vacuum, an advanced Gas Feed System, the availability of multi-TeV proton and ion beams and the recent upgrade of the LHCb detector make this project unique worldwide. [...]
arXiv:2407.14200; LHCb-DP-2024-002.- 2024-11-01 - 22 p. - Published in : Phys. Rev. Accel. Beams 27 (2024) 111001 Fulltext: Publication - PDF; 2407.14200 - PDF;
2.
The LHCb upgrade I / LHCb Collaboration
The LHCb upgrade represents a major change of the experiment. The detectors have been almost completely renewed to allow running at an instantaneous luminosity five times larger than that of the previous running periods. [...]
arXiv:2305.10515; LHCb-DP-2022-002.- 2024-05-23 - 232 p. - Published in : JINST 19 (2024) P05065 Fulltext: document - PDF; 2305.10515 - PDF;
In : The Large Hadron Collider and The Experiments for Run 3
3.
Storing and cooling of polarized ions / Steffens, E
CERN-PS-84-29-LEA.- Geneva : CERN, 1984 - 11 p. Fulltext: PDF;
4.
Charge exchange injection and diagnostics with H$^{-}$ in LEAR / Steffens, E ; Asseo, E ; Chanel, M ; Lefèvre, P ; Mazeline, C ; Möhl, D ; Molinari, G ; Steffens, E ; van Rooij, M
CERN-PS-85-41-LEA.- Geneva : CERN, 1985 - 10 p. Fulltext: PDF;
5.
LHCspin: a polarized internal target for the LHC / Lenisa, Paolo (Ferrara U. ; INFN, Ferrara) ; Steffens, Erhard (Erlangen - Nuremberg U.) ; Carassiti, Vito (INFN, Ferrara ; Ferrara U.) ; Ciullo, Giuseppe (Ferrara U. ; INFN, Ferrara) ; Di Nezza, Pasquale (Frascati) ; Pappalardo, Luciano (Ferrara U. ; INFN, Ferrara) ; Vasilyev, Alexander A (PNPI, CSTD)
The LHCspin project aims to bring both unpolarized and polarized physics at the LHC through the installation of a gaseous fixed target at the upstream end of the LHCb detector. The forward geometry of the LHCb spectrometer (2 < eta < 5) is perfectly suited for the reconstruction of particles produced in fixed-target collisions. [...]
SISSA, 2020 - 10 p. - Published in : PoS PSTP2019 (2020) 025 Fulltext: PDF;
In : 18th International Workshop on Polarized Sources, Targets, and Polarimetry (PSTP 2019), Knoxville, United States, 23 - 27 Sep 2019, pp.025
6.
Physics perspectives with AFTER@LHC (A Fixed Target ExpeRiment at LHC) / Massacrier, L. (Orsay, IPN) ; Anselmino, M. (INFN, Turin ; Turin U.) ; Arnaldi, R. (INFN, Turin ; Turin U.) ; Brodsky, S.J. (SLAC) ; Chambert, V. (Orsay, IPN) ; Da Silva, C. (Los Alamos) ; Didelez, J.P. (Orsay, IPN) ; Echevarria, M.G. (INFN, Pavia) ; Ferreiro, E.G. (Santiago de Compostela U.) ; Fleuret, F. (Ecole Polytechnique) et al.
AFTER@LHC is an ambitious fixed-target project in order to address open questions in the domain of proton and neutron spins, Quark Gluon Plasma and high-$x$ physics, at the highest energy ever reached in the fixed-target mode. Indeed, thanks to the highly energetic 7 TeV proton and 2.76 A.TeV lead LHC beams, center-of-mass energies as large as $\sqrt{s_{NN}}$ = 115 GeV in pp/pA and $\sqrt{s_{NN}}$ = 72 GeV in AA can be reached, corresponding to an uncharted energy domain between SPS and RHIC. [...]
arXiv:1712.01740.- 2018 - 6 p. - Published in : EPJ Web Conf. 171 (2018) 10001 Fulltext: arXiv:1712.01740 - PDF; fulltext1641080 - PDF;
In : 17th International Conference on Strangeness in Quark Matter, Utrecht, The Netherlands, 10 - 15 Jul 2017, pp.10001
7.
Note on the Efficiency of Differential Pumping in the LHC Polarized Gas Target (PGT) / Steffens, Erhard (University of Erlangen)
For a sufficient density of a window-less gas target based on a storage cell, a substantial gas flow rate is required, exceeding that of UHV vacuum systems. Therefore, differential pumping has to be applied in order to limit the gas flow into neighbouring sections. [...]
CERN-PBC-Notes-2019-002.- Geneva : CERN, 2019 Fulltext: PDF;
8.
CERN Yellow Report Front Cover LHC fixed target experiments / Barschel, Colin
Several fixed-target experiments at the LHC are being proposed and actively studied [...]
CERN-PBC-REPORT-2019-001 CERN-2020-004. - 2019. - 47 p. (CERN Yellow Reports: Monographs ; 4/2020)


ebook
9.
The SMOG2 project / Di Nezza, Pasquale (INFN Frascati) ; Carassiti, Vittore (Universita e INFN, Ferrara (IT)) ; Ciullo, Giuseppe (Universita e INFN, Ferrara (IT)) ; Lenisa, Paolo (Universita e INFN, Ferrara (IT)) ; Pappalardo, Luciano Libero (Universita e INFN, Ferrara (IT)) ; Steffens, Erhard (University of Erlangen (Germany)) ; Bruce, Roderik (CERN) ; Vasilyev, Alexander (Petersburg Nuclear Physics Institute, Gatchina (Russia)) ; Boscolo Meneguolo, Caterina (Universita e INFN, Padova (IT)) ; Bregliozzi, Giuseppe (CERN) et al.
"A proposal for an upgraded version of the existing gas injection system for the LHCb experiment (SMOG) is presented. The core idea of the project, called SMOG2, is the use of a storage cell for the injected gas to be installed upstream of the VELO detector [...]
CERN-PBC-Notes-2018-007.- Geneva : CERN, 2018 Fulltext: PDF;
10.
Beam-Induced Depolarization and Application to a Polarized Gas Target in the LHC Beam / Erhard Steffens (University of Erlangen)
This note summarizes the results achieved at HERMES (DESY, Germany) on beam-induced depolarization of a polarized hydrogen gas target in a bunched High-Energy electron beam, and gives a first extrapolation to the conditions at the LHC..
CERN-PBC-Notes-2018-001.- Geneva : CERN, 31 Document PDF file from Erhard Steffens received 13 august 2018: PDF;

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