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1.
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Control system for ion Penning traps at the AEgIS experiment at CERN
/ Nowicka, D (Warsaw U. of Tech.) ; Bergmann, B (Prague, Tech. U.) ; Bonomi, G (Brescia U. ; INFN, Brescia ; INFN, Pavia) ; Brusa, R S (TIFPA-INFN, Trento ; Trento U.) ; Burian, P (Prague, Tech. U.) ; Camper, A (Oslo U.) ; Caravita, R (TIFPA-INFN, Trento ; Trento U.) ; Castelli, F (Milan U. ; INFN, Milan) ; Cheinet, P (LAC, Orsay) ; Comparat, D (LAC, Orsay) et al.
The AEgIS experiment located at the Antiproton Decelerator at CERN aims to measure the gravitational fall of a cold antihydrogen pulsed beam. The precise observation of the antiatoms in the Earth gravitational field requires a controlled production and manipulation of antihydrogen. [...]
2022 - 5 p.
- Published in : J. Phys. : Conf. Ser. 2374 (2022) 012038
Fulltext: PDF;
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012038
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2.
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Cold atoms in space: community workshop summary and proposed road-map
/ Alonso, Iván (Balearic Islands U.) ; Alpigiani, Cristiano (Washington U., Seattle) ; Altschul, Brett (South Carolina U.) ; Araújo, Henrique (Imperial Coll., London) ; Arduini, Gianluigi (CERN) ; Arlt, Jan (Aarhus U.) ; Badurina, Leonardo (King's Coll. London) ; Balaž, Antun (Belgrade, Inst. Phys.) ; Bandarupally, Satvika (Florence U. ; INFN, Florence) ; Barish, Barry C. (LIGO Lab., Caltech) et al.
We summarize the discussions at a virtual Community Workshop on Cold Atoms in Space concerning the status of cold atom technologies, the prospective scientific and societal opportunities offered by their deployment in space, and the developments needed before cold atoms could be operated in space. The cold atom technologies discussed include atomic clocks, quantum gravimeters and accelerometers, and atom interferometers. [...]
arXiv:2201.07789; FERMILAB-CONF-22-694-V; CERN-TH-2022-004.-
2022-11-20 - 64 p.
- Published in : EPJ Quant. Technol.: 9 (2022) , no. 1, pp. 30
Fulltext: bb4d1d31d6edd562e94939489bfc05d6 - PDF; 2201.07789 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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3.
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Hybrid Imaging and Timing Ps Laser Excitation Diagnostics for Pulsed Antihydrogen Production
/ Caravita, R (CERN) ; Antonello, M (INFN, Milan ; Insubria U., Como) ; Belov, A (Moscow, INR) ; Bonomi, G (Brescia U. ; INFN, Pavia) ; Brusa, R S (Trento U. ; TIFPA-INFN, Trento) ; Caccia, M (INFN, Milan ; Insubria U., Como) ; Camper, A (CERN) ; Castelli, F (INFN, Milan ; Milan U.) ; Comparat, D (LAC, Orsay) ; Consolati, G (INFN, Milan ; Milan Polytechnic) et al.
In this work we present a hybrid detection method providing simultaneous imaging and timing information suitable for fully monitoring positronium (Ps) formation, its laser excitation, and its spatial propagation for the first trials of pulsed antihydrogen ($\bar{H}$) production through a charge-exchange reaction with trapped antiprotons ($\bar{p}$). This combined method, based on the synchronous acquisition of an EJ-200 scintillation detector and a microchannel plate (MCP) detector with a dual readout (phosphor screen image and electrical pick-up signal), allows all relevant events in the experiment to be accurately determined in time while allowing high resolution images of e$^{+}$ from Ps laser photodissociations to be acquired. [...]
2020 - 5 p.
- Published in : Acta Phys. Pol. A 137 (2020) 96-100
In : 15th International Workshop on Slow Positron Beam Techniques and Applications, Prague, Czechia, 2-6 Sep 2019, pp.96-100
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4.
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MariX, an advanced MHz-class repetition rate X-ray source for linear regime time-resolved spectroscopy and photon scattering
/ Serafini, L (INFN, Milan ; LASA, Segrate) ; Bacci, A (INFN, Milan ; LASA, Segrate) ; Bellandi, A (DESY) ; Bertucci, M (INFN, Milan ; LASA, Segrate) ; Bolognesi, M (Milan U.) ; Bosotti, A (INFN, Milan ; LASA, Segrate) ; Broggi, F (INFN, Milan ; LASA, Segrate) ; Calandrino, R (Milan U., Inst. San Raffaele) ; Camera, F (Milan U. ; INFN, Milan ; LASA, Segrate) ; Canella, F (Milan U.) et al.
The need of a fs-scale pulsed, high repetition rate, X-ray source for time-resolved fine analysis of matter (spectroscopy and photon scattering) in the linear response regime is addressed by the conceptual design of a facility called MariX (Multi-disciplinary Advanced Research Infrastructure for the generation and application of X-rays) outperforming current X-ray sources for the declared scope. MariX is based on the original design of a two-pass two-way superconducting linear electron accelerator, equipped with an arc compressor, to be operated in CW mode (1 MHz). [...]
2019 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 930 (2019) 167-172
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5.
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Overview of recent work on laser excitation of positronium for the formation of antihydrogen
/ Yzombard, P (LAC, Orsay) ; Amsler, C (Bern U., LHEP) ; Ariga, T (Bern U., LHEP) ; Bonomi, G (Brescia U. ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Brusa, R S (Trento U. ; TIFPA-INFN, Trento) ; Cabaret, L (LAC, Orsay) ; Caccia, M (INFN, Milan) ; Caravita, R (Genoa U. ; INFN, Genoa ; CERN) ; Castelli, F (INFN, Milan ; Milan U.) et al.
The AEgIS experiment carried out at CERN aims to form a cold antihydrogen beam to perform precision studies on gravity. A key ingredient is the creation of antihydrogen via a charge-exchange process between trapped antiprotons and Rydberg excited positronium atoms (Ps). [...]
2017 - 11 p.
- Published in : JPS Conf. Proc. 18 (2017) 011026
Fulltext: PDF;
In : 12th International Conference on Low Energy Antiproton Physics, Kanazawa, Japan, 6 - 11 Mar 2016, pp.011026
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6.
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The DAQ system for the AE$\bar g$IS experiment
/ Prelz, F (INFN, Milan) ; Aghion, S (INFN, Milan ; Milan Polytechnic) ; Amsler, C (U. Bern, AEC ; Stefan Meyer Inst. Subatomare Phys.) ; Ariga, T (U. Bern, AEC) ; Bonomi, G (INFM, Brescia ; INFN, Pavia) ; Brusa, R S (TIFPA-INFN, Trento ; Trento U.) ; Caccia, M (INFN, Milan ; Insubria U., Como) ; Caravita, R (Genoa U. ; INFN, Genoa) ; Castelli, F (INFN, Milan ; Milan U.) ; Cerchiari, G (Heidelberg, Max Planck Inst.) et al.
In the sociology of small- to mid-sized (O(100) collaborators) experiments the issue of data collection and storage is sometimes felt as a residual problem for which well-established solutions are known. Still, the DAQ system can be one of the few forces that drive towards the integration of otherwise loosely coupled detector systems. [...]
2017 - 8 p.
- Published in : J. Phys.: Conf. Ser. 898 (2017) 032014
Fulltext: PDF;
In : 22nd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2016, San Francisco, Usa, 10 - 14 Oct 2016, pp.032014
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7.
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Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV at the LHC
/ Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Nazeer (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) et al.
/ALICE
The transverse momentum ($p_{\rm T}$) spectra and elliptic flow coefficient ($v_2$) of deuterons and anti-deuterons at mid-rapidity ($|y|<0.5$) are measured with the ALICE detector at the LHC in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 2.76$ TeV. The measurement of the $p_{\rm T}$ spectra of (anti-)deuterons is done up to 8 GeV/$c$ in 0-10% centrality class and up to GeV/$c$ in 10-20% and 20-40% centrality classes. [...]
arXiv:1707.07304; CERN-EP-2017-176.-
Geneva : CERN, 2017-10-04 - 27 p.
- Published in : Eur. Phys. J. C 77 (2017) 658
Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
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8.
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D-meson azimuthal anisotropy in mid-central Pb-Pb collisions at $\mathbf{\sqrt{s_{\rm NN}}=5.02}$ TeV
/ ALICE Collaboration
The azimuthal anisotropy coefficient $v_2$ of prompt D$^0$, D$^+$, D$^{*+}$ and D$_s^+$ mesons was measured in mid-central (30-50% centrality class) Pb-Pb collisions at a centre-of-mass energy per nucleon pair $\sqrt{s_{\rm NN}} = 5.02$ TeV, with the ALICE detector at the LHC. The D mesons were reconstructed via their hadronic decays at mid-rapidity, $|y|<0.8$, in the transverse momentum interval $1<p_{\rm T}<24$ GeV/$c$. [...]
arXiv:1707.01005; CERN-EP-2017-153.-
Geneva : CERN, 2018-03-09 - 13 p.
- Published in : Phys. Rev. Lett. 120 (2018) 102301
Draft (restricted): PDF; Fulltext: PDF; Fulltext from Publisher: PDF;
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9.
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Searches for transverse momentum dependent flow vector fluctuations in Pb-Pb and p-Pb collisions at the LHC
/ ALICE Collaboration
The measurement of azimuthal correlations of charged particles is presented for Pb-Pb collisions at $\sqrt{s_{\rm NN}}=$ 2.76 TeV and p-Pb collisions at $\sqrt{s_{\rm NN}}=$ 5.02 TeV with the ALICE detector at the CERN Large Hadron Collider. These correlations are measured for the second, third and fourth order flow vector in the pseudorapidity region $|\eta|<0.8$ as a function of centrality and transverse momentum $p_{\rm T}$ using two observables, to search for evidence of $p_{\rm T}$-dependent flow vector fluctuations. [...]
arXiv:1707.05690; CERN-EP-2017-149.-
Geneva : CERN, 2017-09-08 - 30 p.
- Published in : JHEP 09 (2017) 032
Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
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10.
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Benefits of diverse and interdisciplinary co-creation for HEP - a showcase
/ Castro, Cristina Bahamonde ; Dette, Karola (CERN ; Tech. U., Dortmund (main)) ; Dopke, Jens (Rutherford) ; Kagan, Michael (SLAC) ; Kaufmann, Sylvain (CERN) ; Knaepper, Ines (CERN) ; Kurikka, Joona (CERN) ; Milano, Leonardo (LBL, Berkeley) ; Muranaka, Tomoko (CERN) ; Pascu, Iulia (CERN) et al.
THE Port association organises interdisciplinary co-creational humanitarian hackathons at CERN. Combining physicists and engineers working on HEP related topics in their day job with entrepreneurs, artists, researchers, designers, humanitarian workers and other creative minds helps identifying similar material and engineering solutions for humanitarian challenges. [...]
SISSA, 2016 - 7 p.
- Published in : PoS ICHEP2016 (2016) 312
Fulltext: PDF; External link: PoS server
In : 38th International Conference on High Energy Physics, Chicago, IL, USA, 03 - 10 Aug 2016, pp.312
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