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CERN Document Server 2,050 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 2.76 δευτερόλεπτα. 
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Cover not available Interim report for the International Muon Collider Collaboration / Accettura, C.
The International Muon Collider Collaboration (IMCC) [1] was established in 2020 following the recommendations of the European Strategy for Particle Physics (ESPP) and the implementation of the European Strategy for Particle Physics-Accelerator R&D Roadmap by the Laboratory Directors Group [2], [...]
arXiv:2407.12450 ; CERN-2024-002 - Geneva : CERN, 2024-09-30 - 150. (CERN Yellow Reports: Monographs ; 2/2024)


e-book
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Measurement of the effective leptonic weak mixing angle / LHCb Collaboration
Using $pp$ collision data at $\sqrt{s}=13$~TeV, recorded by the LHCb experiment between 2016 and 2018 and corresponding to an integrated luminosity of $5.4$~fb$^{-1}$, the forward-backward asymmetry in the $pp \to Z/\gamma^{*} \to \mu^+\mu^-$ process is measured. The measurement is carried out in ten intervals of the difference between the muon pseudorapidities, within a fiducial region covering dimuon masses between $66$ and $116$ GeV, muon pseudorapidities between $2.0$ and $4.5$ and muon transverse momenta above $20$ GeV. [...]
arXiv:2410.02502; LHCb-PAPER-2024-028; CERN-EP-2024-230.- Geneva : CERN, 2024-12-03 - 28 p. - Published in : JHEP 2412 (2024) 026 Fulltext: 2410.02502 - PDF; document - PDF; Related data file(s): ZIP; Supplementary information: LHCb-PAPER-2024-028-supplementary - ZIP; supplementary (3) - PDF;
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Polarization of $\Lambda$ and $\overline{\Lambda}$ hyperons along the beam direction in Pb–Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al.
The polarization of the $\Lambda$ and $\overline{\Lambda}$ hyperons along the beam ($z$) direction, $P_{z}$, has been measured in Pb–Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV recorded with ALICE at the Large Hadron Collider (LHC). The largest contribution to $P_z$ comes from elliptic flow induced vorticity and can be characterized by the second Fourier sine coefficient $P_{z,s2}$ = $⟨P_z sin(2 \varphi − 2 \Psi_2 )⟩$, where $\varphi$ is the hyperon azimuthal emission angle, and $\Psi_2$ is the elliptic flow plane angle. [...]
arXiv:2107.11183; CERN-EP-2021-148.- Geneva : CERN, 2022-04-29 - 18 p. - Published in : Phys. Rev. Lett. 128 (2022) 172005 Draft (restricted): PDF; Fulltext: PDF;
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Hypertriton Production in p-Pb Collisions at $\sqrt {s_{NN}}$=5.02  TeV / ALICE Collaboration
The study of nuclei and antinuclei production has proven to be a powerful tool to investigate the formation mechanism of loosely bound states in high-energy hadronic collisions. The first measurement of the production of ${\rm ^{3}_{\Lambda}\rm H}$ in p-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV is presented in this Letter. [...]
arXiv:2107.10627; CERN-EP-2021-139.- 2022-06-23 - 19 p. - Published in : Phys. Rev. Lett. 128 (2022) 252003 Draft (restricted): PDF; Fulltext: PDF; Fulltext from publisher: PDF;
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$\mathrm{K}^{*}(\mathrm{892})^{0}$ and $\mathrm{\phi(1020)}$ production in p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 8.16 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Frankfurt U. ; Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (INFN, Turin ; Turin Polytechnic) ; Agrawal, Neelima (INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) et al.
The production of $\mathrm{K}^{*}(\mathrm{892})^{0}$ and $\mathrm{\phi(1020)}$ resonances has been measured in p-Pb collisions at $\sqrt{s_{NN}}$ = 8.16 TeV using the ALICE detector. Resonances are reconstructed via their hadronic decay channels in the rapidity interval $-$0.5 $<$ $y$ $<$ 0 and the transverse momentum spectra are measured for various multiplicity classes up to $p_{\rm T}$ = 20 GeV/$c$ for $\mathrm{K}^{*}(\mathrm{892})^{0}$ and $p_{\rm T}$ = 16 GeV/$c$ for $\mathrm{\phi(1020)}$. [...]
arXiv:2110.10042; CERN-EP-2021-200.- Geneva : CERN, 2023-05-09 - 21 p. - Published in : Phys. Rev. C 107 (2023) 055201 Draft (restricted): PDF; Fulltext: 2110.10042 - PDF; Publication - PDF;
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Measurement of $CP$ violation observables in $D^+\to K^-K^+\pi^+$ decays / LHCb Collaboration
A search for violation of the charge-parity ($CP$) symmetry in the $D^+\rightarrow K^-K^+\pi^+$ decay is presented, with proton-proton collision data corresponding to an integrated luminosity of 5.4 fb$^{-1}$, collected at a center-of-mass energy of 13 TeV with the LHCb detector. A novel model-independent technique is used to compare the $D^+$ and $D^-$ phase-space distributions, with instrumental asymmetries subtracted using the $D^+{s}\rightarrow K^-K^+\pi^+$ decay as a control channel. [...]
arXiv:2409.01414; CERN-EP-2024-204; LHCb-PAPER-2024-019.- Geneva : CERN, 2024-12-16 - 21 p. - Published in : Phys. Rev. Lett. 133 (2024) 251801 Fulltext: PDF; Related data file(s): ZIP;
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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;
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First study of the two-body scattering involving charm hadrons / ALICE Collaboration
This Letter presents the first measurement of the interaction between charm hadrons and nucleons. The two-particle momentum correlations of $\mathrm{pD}^{−}$ and $\overline{\mathrm{p}}\mathrm{D}^{+}$ pairs are measured by the ALICE Collaboration in high-multiplicity pp collisions at $\sqrt{s} = 13$ TeV. [...]
arXiv:2201.05352; CERN-EP-2022-006.- Geneva : CERN, 2022-09-01 - 22 p. - Published in : Phys. Rev. D 106 (2022) 052010 Draft (restricted): PDF; Fulltext: 2201.05352 - PDF; PhysRevD.106.052010 - PDF;
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Measurement of the production and elliptic flow of (anti)nuclei in Xe-Xe collisions at $\sqrt{s_{\rm NN}}$ = 5.44 TeV / ALICE Collaboration
Measurements of (anti)deuteron and (anti)$^3$He production in the rapidity range $ |y| < $ 0.5 as a function of the transverse momentum and event multiplicity in Xe$-$Xe collisions at a center-of-mass energy per nucleon$-$nucleon pair of $\sqrt{s_{\rm NN}}$ = 5.44 TeV are presented. The coalescence parameters $B_2$ and $B_3$ are measured as a function of the transverse momentum per nucleon. [...]
arXiv:2405.19826; CERN-EP-2024-144.- Geneva : CERN, 2024-12-02 - 23 p. - Published in : Phys. Rev. C 110 (2024) 064901 Draft (restricted): PDF; Fulltext: 2405.19826 - PDF; Publication - PDF;
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Emergence of Long-Range Angular Correlations in Low-Multiplicity Proton-Proton Collisions / ALICE Collaboration
This Letter presents the measurement of near-side associated per-trigger yields, denoted ridge yields, from the analysis of angular correlations of charged hadrons in proton--proton collisions at $\sqrt{s}$ = 13 TeV. Long-range ridge yields are extracted for pairs of charged particles with a pseudorapidity difference of $1.4 < |\Delta\eta| < 1.8$ and a transverse momentum of $1 < p_{\rm T} < 2$ GeV/$c$, as a function of the charged-particle multiplicity measured at mid-rapidity. [...]
arXiv:2311.14357; CERN-EP-2023-265.- Geneva : CERN, 2024-04-26 - 13 p. - Published in : Phys. Rev. Lett. 132 (2024) 172302 Draft (restricted): PDF; Fulltext: 2311.14357 - PDF; Publication - PDF;
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