CERN Accelerating science

CERN Document Server Намерени са 128 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.75 секунди. 
1.
LHCspin: a Polarized Gas Target for LHC / LHCspin Collaboration
The goal of the LHCspin project is to develop innovative solutions for measuring the 3D structure of nucleons in high-energy polarized fixed-target collisions at LHC, exploring new processes and exploiting new probes in a unique, previously unexplored, kinematic regime. [...]
arXiv:2504.16034 ; FERMILAB-PUB-25-0295-PPD.
- 60.
Fermilab Library Server - Fulltext - Fulltext
2.
Summary Report of the Physics Beyond Colliders Study at CERN / PBC Collaboration
The Physics Beyond Collider Study Group was initially mandated by the CERN Management to prepare the previous European Particle Physics Strategy Update for CERN projects other than the high-energy frontier colliders. The main findings were summarized in~\cite{PBC_summary_2020}. [...]
CERN-PBC-REPORT-2025-003; arXiv:2505.00947.- Geneva : CERN, 2025 - 121 p. Final report: PDF; Fulltext: PDF;
3.
Simulations of beam dynamics and beam lifetime for the prototype EDM ring / S Siddique (Darmstadt, GSI ; Aachen, Tech. Hochsch.) ; Lehrach, A (Aachen, Tech. Hochsch. ; Julich, Forschungszentrum) ; Pretz, J (Julich, Forschungszentrum) ; Carli, C (CERN) /JEDI Collaboration ; CPEDM Collaboration
The matter-antimatter asymmetry may be explained through CP-violation by observing a permanent electric dipole moment (EDM) of subatomic particles. An advanced approach to measure the EDM of charged particles is to apply a unique method of "Frozen spin" on a polarized beam in a storage ring. [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) TUPM078 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPM078
4.
Beam dynamics for concurrent operation of the LHeC and the HL-LHC / von Witzleben, T (CERN ; RWTH Aachen U.) ; André, K D J (CERN) ; De Maria, R (CERN) ; Holzer, B (CERN) ; Klein, M (Liverpool U.) ; Pretz, J (RWTH Aachen U. ; Julich, Forschungszentrum) ; Smith, M (Liverpool U.)
The Large Hadron Electron Collider (LHeC) is a study at CERN to construct an energy recovery linear accelerator (ERL) tangentially to the High Luminosity Large Hadron Collider (HL-LHC). This would enable deep inelastic scattering collisions between electrons and protons in the ALICE interaction region (IR2). [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) MOPA054 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPA054
5.
Double J/ψ production in pion-nucleon scattering at COMPASS / COMPASS Collaboration
We present the study of the production of double $J/\psi$ mesons using COMPASS data collected with a 190 $\GeV/c$ $\pi^-$ beam scattering off NH$_{3}$, Al and W targets. Kinematic distributions of the collected double $J/\psi$ events are analysed, and the double $J/\psi$ production cross section is estimated for each of the COMPASS targets. [...]
arXiv:2204.01817; CERN-EP-2022-073.- Geneva : CERN, 2023-03-10 - 8 p. - Published in : Phys. Lett. B 838 (2023) 137702 Fulltext: CERN-EP-DRAFT-COMPASS-2022-001 - PDF; 2204.01817 - PDF; Publication - PDF;
6.
CPEDM: A Storage Ring Facility for Charged-Particle EDM Searches / Carli, Christian (CERN) ; Paolo, Lenisa (Ferrara U. ; INFN, Ferrara) ; Pretz, Jörg (RWTH Aachen U. ; KIT, Karlsruhe, IKP ; JARA, Aachen) ; Rathmann, Frank (KIT, Karlsruhe, IKP) ; Ströher, Hans (KIT, Karlsruhe, IKP)
Scientific Background: Symmetries and Physics Beyond the Standard Model..
2021 - 3 p. - Published in : Nucl. Phys. News 31 (2021) 27-29
7.
Exotic meson $\pi_1(1600)$ with $J^{PC} = 1^{-+}$ and its decay into $\rho(770)\pi$ / COMPASS Collaboration
We study the spin-exotic $J^{PC} = 1^{-+}$ amplitude in single-diffractive dissociation of 190 GeV$/c$ pions into $\pi^-\pi^-\pi^+$ using a hydrogen target and confirm the $\pi_1(1600) \to \rho(770) \pi$ amplitude, which interferes with a nonresonant $1^{-+}$ amplitude. We demonstrate that conflicting conclusions from previous studies on these amplitudes can be attributed to different analysis models and different treatment of the dependence of the amplitudes on the squared four-momentum transfer and we thus reconcile their experimental findings. [...]
arXiv:2108.01744; CERN-EP-2021–162.- 2022-01-01 - 30 p. - Published in : Phys. Rev. D 105 (2022) 012005 Fulltext: 2108.01744 - PDF; PhysRevD.105.012005 - PDF;
8.
Probing transversity by measuring $\Lambda$ polarisation in SIDIS / Alexeev, M.G. ; Alexeev, G.D. (Dubna, JINR) ; Amoroso, A. ; Andrieux, V. ; Anosov, V. (Dubna, JINR) ; Augsten, K. ; Augustyniak, W. (NCBJ, Warsaw) ; Azevedo, C.D.R. (Aveiro U.) ; Badełek, B. (Warsaw U.) ; Balestra, F. et al. /COMPASS
Based on the observation of sizeable target-transverse-spin asymmetries in single-hadron and hadron-pair production in Semi-Inclusive measurements of Deep Inelastic Scattering (SIDIS), the chiral-odd transversity quark distribution functions $h_1^q$ are nowadays well established. Several possible channels to access these functions were originally proposed. [...]
arXiv:2104.13585; CERN-EP-2021-072.- Geneva : CERN, 2022-01-10 - 18 p. Draft (restricted): PDF; Fulltext: CERN-EP-2021-072 - PDF; 2104.13585 - PDF;
9.
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.
- 28 p.
Fulltext
10.
Spin Density Matrix Elements in Exclusive $\omega$ Meson Muoproduction $^*$ / COMPASS Collaboration
We report on a measurement of Spin Density Matrix Elements (SDMEs) in hard exclusive $\omega$ meson muoproduction on the proton at COMPASS using 160 GeV/$c$ polarised $ \mu ^{+}$ and $ \mu ^{-}$ beams impinging on a liquid hydrogen target. The measurement covers the range 5.0 GeV/$c^2$ $< W <$ 17.0 GeV/$c^2$, with the average kinematics $\langle Q^{2} \rangle=$ 2.1 (GeV/$c$)$^2$, $\langle W \rangle= 7.6$ GeV/$c^2$, and $\langle p^{2}_{\rm T} \rangle = 0.16$ (GeV/$c$)$^2$. [...]
arXiv:2009.03271; CERN-EP-2020-169.- Geneva : CERN, 2021-02-05 - 22 p. - Published in : Eur. Phys. J. C 81 (2021) 126 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: CERN-EP-2020-169 - PDF; 2009.03271 - PDF;

CERN Document Server : Намерени са 128 записа   1 - 10следващкрай  отиване на запис:
Виж също: автори с подобни имена
1 Pretz, J J
90 Pretz, J.
2 Pretz, Joerg
1 Pretz, John
11 Pretz, Jörg
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