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Fast timing silicon R&D; for the future Electron-Ion Collider
/ Li, Xuan (Los Alamos) ; Renner, Eric (Los Alamos) ; Liu, Ming (Los Alamos) ; Sondheim, Walter (Los Alamos) ; Solans Sanchez, Carlos (CERN) ; Nuñez, Marcos Vazquez (Valencia U.) ; Gonzalez, Vicente (Valencia U.) ; Corrales Morales, Yasser (MIT)
The proposed Electron-Ion Collider (EIC) will utilize high- luminosity high-energy electron+proton (e + p) and electron+nucleus (e + A) collisions to solve several fundamental questions including searching for gluon saturation and studying the proton/nuclear structure. Complementary to the ongoing EIC project detector technical prototype carried out by the ePIC collaboration, a Depleted Monolithic Active Pixel Sensor (i.e., MALTA2) based fast timing silicon tracking detector (FMT) has been proposed to provide additional hits for track reconstruction in the forward region at the EIC to improve the overall track reconstruction quality. [...]
arXiv:2410.00837; LA-UR-24-28566.-
2025 - 4 p.
- Published in : EPJ Web Conf. 316 (2025) 07003
Fulltext: 2410.00837 - PDF; document - PDF;
In : 21st International Conference on Strangeness in Quark Matter 2024 (SQM2024), Strasbourg, France, 3 - 7 Jun 2024, pp.07003
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Investigating the p-$\pi^{\pm}$ and p-p-$\pi^{\pm}$ dynamics with femtoscopy in pp collisions at $\sqrt{s} = 13$ TeV
/ Acharya, Shreyasi (Clermont-Ferrand U.) ; Agarwal, Apar (Calcutta, VECC) ; Aglieri Rinella, Gianluca (CERN) ; Aglietta, Luca (Turin U. ; INFN, Turin) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Bologna U. ; INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al.
/ALICE
The interaction between pions and nucleons plays a crucial role in hadron physics. It represents a fundamental building block of the low-energy QCD dynamics and is subject to several resonance excitations [...]
arXiv:2502.20200; CERN-EP-2025-034.-
Geneva : CERN, 2025 - 40 p.
Draft (restricted): PDF; Fulltext: PDF;
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Measurement of $\omega$ meson production in pp and p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV
/ Acharya, Shreyasi (INFN, Bari) ; Agarwal, Apar (Calcutta, VECC) ; Aglieri Rinella, Gianluca (CERN) ; Aglietta, Luca (Turin U. ; INFN, Turin) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Bologna U. ; INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al.
We present the measurement of the $p_{\rm T}$-differential production cross section of $\omega$ mesons in pp and p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV at midrapidity by ALICE. In addition, the first measurement of the nuclear modification factor $R_{\text{pPb}}$ for $\omega$ mesons at LHC energies is presented, complementing the existing measurements of lighter neutral mesons such as the $\pi^0$ and $\eta$. [...]
arXiv:2502.19956; CERN-EP-2025-033.-
Geneva : CERN, 2025 - 27 p.
Draft (restricted): PDF; Fulltext: PDF;
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Study of MALTA2, a Depleted Monolithic Active Pixel Sensor, with grazing angles at CERN SPS 180 GeV/c hadron beam
/ Li, L. (Birmingham U.) ; Allport, P. (Birmingham U.) ; Asensi Tortajada, I. (CERN) ; Behera, P. (Indian Inst. Tech., Madras) ; Berlea, D.V. (DESY, Zeuthen ; Humboldt U., Berlin) ; Bortoletto, D. (Oxford U.) ; Buttar, C. (Glasgow U.) ; Dao, V. (CERN) ; Dash, G. (Indian Inst. Tech., Madras) ; Fasselt, L. (DESY, Zeuthen ; Humboldt U., Berlin) et al.
MALTA2 is a Depleted Monolithic Active Pixel Sensor designed to meet the challenging requirements of future collider experiments, in particularly extreme radiation tolerance and high hit rate. [...]
arXiv:2502.13590.
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Timing characterization of MALTA and MALTA2 pixel detectors using Micro X-ray source
/ Dash, G. (Indian Inst. Tech., Madras) ; Allport, P. (Birmingham U.) ; Asensi Tortajada, I. (CERN) ; Behera, P. (Indian Inst. Tech., Madras) ; Berlea, D.V. (DESY, Zeuthen) ; Bortoletto, D. (Oxford U.) ; Buttar, C. (Glasgow U.) ; Dao, V. (CERN) ; Fasselt, L. (DESY, Zeuthen) ; de Acedo, L. Flores Sanz (CERN) et al.
The MALTA monolithic active pixel detector is developed to address the challenges anticipated in future high-energy physics detectors. [...]
arXiv:2502.13330.
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Observation of the $\Omega$(2012) baryon at the LHC
/ Acharya, Shreyasi (INFN, Bari) ; Agarwal, Apar (Calcutta, VECC) ; Aglieri Rinella, Gianluca (CERN) ; Aglietta, Luca (Turin U. ; INFN, Turin) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Bologna U. ; INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al.
A signal consistent with the $\Omega$(2012) baryon has been observed with a significance of $15\sigma$ in pp collisions at $\sqrt{s} = 13$ TeV at the LHC. In this paper, the analysis technique is described and measurements of the mass and width of the $\Omega$(2012) are reported, along with the first measurement of its transverse-momentum spectrum and yield. [...]
arXiv:2502.18063; CERN-EP-2025-027.-
Geneva : CERN, 2025 - 29 p.
Draft (restricted): PDF; Fulltext: PDF;
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Measurement of isolated prompt photon production in pp and p–Pb collisions at the LHC
/ Acharya, Shreyasi (INFN, Bari) ; Agarwal, Apar (Calcutta, VECC) ; Aglieri Rinella, Gianluca (CERN) ; Aglietta, Luca (Turin U. ; INFN, Turin) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Bologna U. ; INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al.
This paper presents the measurement of the isolated prompt photon inclusive production cross section in pp and p-Pb collisions by the ALICE Collaboration at the LHC. The measurement is performed in p-Pb collisions at centre-of-mass energies per nucleon pair of $\sqrt{s_{\text{NN}}}= 5.02$ TeV and $8.16$ TeV, as well as in pp collisions at $\sqrt{s} =5.02$ TeV and $8$ TeV. [...]
arXiv:2502.18054; CERN-EP-2025-024.-
Geneva : CERN, 2025 - 29 p.
Draft (restricted): PDF; Fulltext: PDF;
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Charged-particle multiplicity distributions over a wide pseudorapidity range in p-Pb collisions at $\sqrt{\textit{s}_{\rm NN}} = 5.02$ TeV
/ Acharya, Shreyasi (INFN, Bari) ; Agarwal, Apar (Calcutta, VECC) ; Aglieri Rinella, Gianluca (CERN) ; Aglietta, Luca (Turin U. ; INFN, Turin) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Bologna U. ; INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al.
This paper presents the primary charged-particle multiplicity distributions in proton-lead collisions at a centre-of-mass energy per nucleon-nucleon collision of $\sqrt{\textit{s}}_{\rm NN} = 5.02$ TeV. The distributions are reported for non-single diffractive collisions in different pseudorapidity ranges. [...]
arXiv:2502.18081; CERN-EP-2025-023.-
Geneva : CERN, 2025 - 23 p.
Draft (restricted): PDF; Fulltext: PDF;
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