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CERN Document Server 220 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 0.56 secondi. 
1.
Measurement of the hard exclusive $\pi^{0}$ muoproduction cross section at COMPASS / COMPASS Collaboration
A new and detailed measurement of the cross section for hard exclusive neutral-pion muoproduction on the proton was performed in a wide kinematic region, with the photon virtuality $Q^2$ ranging from 1 to 8 (GeV/$c$)$^{\rm\, 2}$ and the Bjorken variable $x_{\rm Bj}$ ranging from 0.02 to 0.45. [...]
CERN-EP-2024-346 ; arXiv:2412.19923.
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Multiplicities of positive and negative pions, kaons and unidentified hadrons from deep-inelastic scattering of muons off a liquid hydrogen target / Alexeev, G.D. (Unlisted) ; Alexeev, M.G. (INFN, Turin ; U. Turin (main)) ; Alice, C. (INFN, Turin ; U. Turin (main)) ; Amoroso, A. (INFN, Turin ; U. Turin (main)) ; Andrieux, V. (Illinois U., Urbana (main)) ; Anosov, V. (Unlisted) ; Augsten, K. (Prague, Tech. U.) ; Augustyniak, W. (NCBJ, Warsaw) ; Azevedo, C.D.R. (Aveiro U.) ; Badelek, B. (Warsaw U.) et al.
The multiplicities of positive and negative pions, kaons and unidentified hadrons produced in deep-inelastic scattering are measured in bins of the Bjorken scaling variable $x$, the relative virtual-photon energy $y$ and the fraction of the virtual-photon energy transferred to the final-state hadron $z$. [...]
CERN-EP-2024-270 ; arXiv:2410.12005.
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Fulltext
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The electron-Proton and Ion Collider (ePIC) detector at the Electron Ion Collider (EIC) / Dalla Torre, Silvia (speaker) (Universita e INFN Trieste (IT))
​The US-based Electron-Ion Collider (EIC) project, approved since December 2019, is rapidly progressing towards realization, with the goal of starting operation in the early 30’s.   The EIC’s ability to collide high-energy electron beams with high-energy ion beams will provide access to those regions in the nucleon and nuclei where their structure is dominated by gluons. Moreover, highly polarized (~70%) electron and light nucleus beams in the EIC will give unprecedented access to the spatial and spin structure of gluons and sea-quarks in the proton and light nuclei. [...]
2024 - 4448. Detector Seminar External link: Event details In : The electron-Proton and Ion Collider (ePIC) detector at the Electron Ion Collider (EIC)
4.
DRD1 Extended R&D Proposal / Colaleo, Anna (Universita e INFN, Bari (IT)) ; Ropelewski, Leszek (CERN) ; Abbrescia, Marcello (INFN Bari) ; Aielli, Giulio (INFN Tor Vergata) ; Baracchini, Elisabetta (GSSI) ; Bortfeldt, Jonathan (LMU) ; Borysova, Maryna (WIS) ; Breskin, Amos (WIS) ; Bregant, Marco (Instituto de Física da Universidade de São Paulo) ; Brunbauer, Florian Maximilian (CERN) et al.
This document realized in the framework of the newly established Gaseous Detector R&D Collaboration (DRD1), presents a comprehensive overview of the current state-of-the-art and the challenges related to various gaseous detector concepts and technologies. [...]
CERN-DRDC-2024-003 ; DRDC-P-DRD1.
- 2024.
DRD1 Extended R&D Proposal
5.
High-Statistics Measurement of Collins and Sivers Asymmetries for Transversely Polarized Deuterons / COMPASS Collaboration
New results are presented on a high-statistics measurement of Collins and Sivers asymmetries of charged hadrons produced in deep inelastic scattering of muons on a transversely polarised $^6$LiD target. The data were taken in 2022 with the COMPASS spectrometer using the 160 \gevv muon beam at CERN, balancing the existing data on transversely polarised proton targets. [...]
arXiv:2401.00309; CERN-EP-2023-308.- 2024-09-05 - 10 p. - Published in : Phys. Rev. Lett. 133 (2024) 101903 Fulltext: 2401.00309 - PDF; Publication - PDF;
6.
Final COMPASS results on the transverse-spin-dependent azimuthal asymmetries in the pion-induced Drell-Yan process / COMPASS Collaboration
The COMPASS Collaboration performed measurements of the Drell-Yan process in 2015 and 2018 using a 190 GeV/c $\pi^{-}$ beam impinging on a transversely polarised ammonia target. Combining the data of both years, we present final results on the amplitudes of the five azimuthal modulations in the dimuon production cross section. [...]
arXiv:2312.17379; CERN-EP-2023-307.- 2024-08-14 - 8 p. - Published in : Phys. Rev. Lett. 133 (2024) 071902 Fulltext: 2312.17379 - PDF; Publication - PDF;
7.
Progress in coupling MPGD-based photon detectors with nanodiamond photocathodes / Brunbauer, F.M. (CERN) ; Chatterjee, C. (INFN, Trieste) ; Cicala, G. (Bari U. ; INFN, Bari) ; Cicuttin, A. (ICTP, Trieste ; INFN, Trieste) ; Crespo, M.L. (ICTP, Trieste ; INFN, Trieste) ; D‘Ago, D. (INFN, Trieste ; Trieste U.) ; Dalla Torre, S. (INFN, Trieste) ; Dasgupta, S. (INFN, Trieste) ; Gregori, M. (INFN, Trieste) ; Levorato, S. (INFN, Trieste) et al.
The next generation of gaseous photon detectors is requested to overcome the limitations of the available technology, in terms of resolution and robustness. The quest for a novel photocathode, sensitive in the far vacuum ultra violet wavelength range and more robust than present ones, motivated an R&D; programme to explore nanodiamond based photoconverters, which represent the most promising alternative to cesium iodine. [...]
arXiv:2401.17485.- 2023-08-05 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1056 (2023) 168575 Fulltext: PDF;
In : 11th International Workshop on Ring Imaging Cherenkov Detectors (RICH 2022), Edinburgh, United Kingdom, 12 - 16 Sep 2022, pp.168575
8.
The high voltage system of the novel MPGD-based photon detectors of COMPASS RICH-1 and its development towards a scalable High Voltage Power Supply System for MPGDs / Bressan, A (INFN, Trieste ; Trieste U.) ; Carrato, S (INFN, Trieste ; Trieste U.) ; Chatterjee, C (INFN, Trieste) ; Cicuttin, A (ICTP, Trieste ; INFN, Trieste) ; Crespo, M L (ICTP, Trieste ; INFN, Trieste) ; D'Ago, D (INFN, Trieste ; Trieste U.) ; Dalla Torre, S (INFN, Trieste) ; Dasgupta, S (INFN, Trieste ; Bhubaneswar, NISER) ; Ballina E , M G (ICTP, Trieste) ; Florian S , W (ICTP, Trieste ; INFN, Trieste ; Trieste U.) et al.
The COMPASS RICH-1 detector has undergone a major upgrade in 2016 with the installation of four novel MPGD-based photon detectors. They consist of large-size hybrid MPGDs with multi-layer architecture composed of two layers of Thick-GEMs and bulk resistive MicroMegas. [...]
2023 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1056 (2023) 168558
In : 11th International Workshop on Ring Imaging Cherenkov Detectors (RICH 2022), Edinburgh, United Kingdom, 12 - 16 Sep 2022, pp.168558
9.
Study of nanodiamond photocathodes for MPGD-based detectors of single photons / Brunbauer, F.M. (CERN) ; Chatterjee, C. (INFN, Trieste) ; Cicala, G. (IASF, Bologna ; INFN, Bari) ; Cicuttin, A. (ICTP, Trieste ; INFN, Trieste) ; Crespo, M.L. (ICTP, Trieste ; INFN, Trieste) ; D'Ago, D. (Trieste U. ; INFN, Trieste) ; Dalla Torre, S. (INFN, Trieste) ; Dasgupta, S. (INFN, Trieste) ; Gregori, M. (INFN, Trieste) ; Levorato, S. (INFN, Trieste) et al.
The proposed new Electron-Ion Collider poses a technical and intellectual challenge for the detector design to accommodate the long-term diverse physics goals envisaged by the program. This requires a 4π detector system capable of reconstructing the energy and momentum of final state particles with high precision. [...]
arXiv:2402.13966.- 2023-01-02 - Published in : Nucl. Instrum. Methods Phys. Res., A 1048 (2023) 168014 Fulltext: PDF;
In : 9th Conference on New Developments in Photodetection, Troyes, France, 4 - 8 Jul 2022, pp.168014
10.
Transverse-spin-dependent azimuthal asymmetries of pion and kaon pairs produced in muon-proton and muon-deuteron semi-inclusive deep inelastic scattering / COMPASS Collaboration
A set of measurements of azimuthal asymmetries in the production of pairs of identified hadrons in deep-inelastic scattering of muons on transversely polarised 6LiD (deuteron) and NH3 (proton) targets is presented. All available data collected in the years 2002–2004 and 2007/2010 with the COMPASS spectrometer using a muon beam of 160 GeV=c at the CERN SPS were analysed. [...]
arXiv:2301.02013; CERN-EP-2022-292.- Geneva : CERN, 2023-08-29 - 11 p. - Published in : Phys. Lett. B 845 (2023) 138155 Draft (restricted): PDF; Fulltext: CERN-EP-2022-292 - PDF; 2301.02013 - PDF; Publication - PDF;

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