2023-06-09
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GBAR: Gravitational behavior of antihydrogen at rest
/ Debu, Pascal (IRFU, Saclay)
/GBAR Collaboration
The GBAR project aims to perform the first test of the Equivalence Principle with antimatter by measuring the free fall of ultra-cold antihydrogen atoms. The objective is to measure the gravitational acceleration to better than a percent in a first stage, with a long term perspective to reach a much higher precision using gravitational quantum states of antihydrogen. [...]
2012 - 9 p.
- Published in : Hyperfine Interact. 212 (2012) 51-59
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2023-06-09
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2023-06-09
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The MURAVES muon telescope: a low power consumption muon tracker for muon radiography applications
/ D'Errico, M (CERN ; Naples U. ; INFN, Naples) ; Ambrosino, F (CERN ; Naples U. ; INFN, Naples) ; Baccani, G (Florence U. ; INFN, Florence) ; Bonechi, L (INFN, Florence) ; Bongi, M (Florence U. ; INFN, Florence) ; Bross, A (Fermilab) ; Ciaranfi, R (INFN, Florence) ; Cimmino, L (CERN ; Naples U. ; INFN, Naples) ; Ciulli, V (Florence U. ; INFN, Florence) ; D'Alessandro, R (Florence U. ; INFN, Florence) et al.
Muon Radiography or muography is based on the measurement of the absorption or scattering of cosmic muons, as they pass through the interior of large scale bodies, In particular, absorption muography has been applied to investigate the presence of hidden cavities inside the pyramids or underground, as well as the interior of volcanoes’ edifices. The MURAVES project has the challenging aim of investigating the density distribution inside the summit of Mt. [...]
FERMILAB-CONF-22-961-ND-PPD.-
2022 - 6 p.
- Published in : J. Phys. : Conf. Ser. 2374 (2022) 012190
Fulltext: FERMILAB-CONF-22-961-ND-PPD - PDF; document - PDF; External link: Fermilab Library Server
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012190
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2023-06-09
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Laser spectroscopic studies of long-lived pionic helium at PSI
/ Hori, M (Munich, Max Planck Inst. Quantenopt.) ; Aghai-Khozani, H (Munich, Max Planck Inst. Quantenopt. ; CERN ; Cambridge U., DAMTP) ; Soter, A (Munich, Max Planck Inst. Quantenopt. ; Zurich, ETH) ; Dax, A (PSI, Villigen) ; Barna, D (CERN ; Wigner RCP, Budapest)
A recent laser spectroscopy experiment of three-body pionic helium atoms which was carried out using the 590 MeV ring cyclotron facility of the Paul Scherrer Institute (PSI) is briefly reviewed. The charged pion mass may be precisely determined by measuring the transition frequency of the pionic atom and comparing the results with quantum electrodynamics (QED) calculations. [...]
2022 - 5 p.
- Published in : J. Phys. : Conf. Ser. 2374 (2022) 012039
Fulltext: PDF;
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012039
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2023-06-09
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Pulsed Production of Antihydrogen in AEgIS
/ AEgIS Collaboration
Cold antihydrogen atoms are a powerful tool to probe the validity of fundamental physics laws, and it's clear that colder atoms, generally speaking, allow an increased level of precision.
After the first production of cold antihydrogen ($\bar{H}$) in 2002, experimental efforts have progressed continuously (trapping, beam formation, spectroscopy), with competitive results already achieved by adapting to cold antiatoms techniques previously well developed for ordinary atoms. Unfortunately, the number of $\bar{H}$ atoms that can be produced in dedicated experiments is many orders of magnitude smaller than available hydrogen atoms, which are at hand in large amount, so the development of novel techniques that allow the production of $\bar{H}$ with well defined conditions (and possibly control its formation time and energy levels) is essential to improve the sensitivity of the methods applied by the different experiments.
We present here the first experimental results concerning the production of $\bar{H}$ in a pulsed mode where the time when 90\% of
the atoms are produced is known with an uncertainty of around 250~ns. [...]
2022 - 7 p.
- Published in : PoS DISCRETE2020-2021 (2022) 079
Fulltext: PDF;
In : 7th Symposium on Prospects in the Physics of Discrete Symmetries (DISCRETE 2020-2021), Bergen, Norway, 29 Nov - 3 Dec 2021, pp.079
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2023-06-09
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2023-06-09
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Radiation background estimation for the GE11 Triple-GEM detectors in the CMS endcap
/ Bouhali, O (Texas A&M; U. Qatar, Doha) ; Bhatnagar, V (Panjab U., Chandigarh) ; Castaneda, A (Sonora U.) ; Chauhan, S S (Panjab U., Chandigarh) ; Kamon, T (Texas A-M) ; Kang, Y (Seoul U.) ; Kumar, S (Panjab U., Chandigarh) ; Virdi, A K (Panjab U., Chandigarh)
/CMS Collaboration
The Compact Muon Solenoid (CMS) is a general-purpose particle detector at the Large Hadron Collider (LHC) designed to study a wide range of particles produced in high energy collisions. The interaction of the beams with the pipe, shielding and detector supporting materials can produce neutrons, photons, electrons and positrons, forming a common background radiation field for CMS detector. [...]
2022 - 5 p.
- Published in : J. Phys. : Conf. Ser. 2374 (2022) 012161
Fulltext: PDF;
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012161
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2023-06-09
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HGCROC2: the front-end readout ASICs for the CMS High Granularity Calorimeter
/ Bouyjou, F (IRFU, Saclay) ; Bombardi, G (CERN) ; Callier, S (Ec. Polytech., OMEGA) ; Dinaucourt, P (Ec. Polytech., OMEGA) ; Dulucq, F (Ec. Polytech., OMEGA) ; El Berni, M (Ec. Polytech., OMEGA) ; Guilloux, F (IRFU, Saclay) ; Idzik, M (AGH-UST, Cracow) ; de La Taille, C (Ec. Polytech., OMEGA) ; Marchioro, A (CERN) et al.
The CMS High-Granularity Calorimeter (HGCAL) imposes extremely challenging specifications for the front-end electronics: high dynamic range, low noise, high-precision time information and low power consumption, as well as the need to select and transmit trigger information with a high transverse and longitudinal granularity. HGCROC2 is the second prototype of the readout chip embedding almost all the final functionalities. [...]
2022 - 8 p.
- Published in : J. Phys. : Conf. Ser. 2374 (2022) 012070
Fulltext: PDF;
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012070
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2023-06-09
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Employment of nanodiamond photocathodes on MPGD-based HEP detector at the future EIC
/ Brunbauer, F M (CERN) ; Chatterjee, C (INFN, Trieste) ; Cicala, G (INFN, Bari) ; Cicuttin, A (ICTP, Trieste) ; Ciliberti, P (Trieste U. ; INFN, Trieste) ; Crespo, M L (ICTP, Trieste) ; D’Ago, D (Trieste U. ; INFN, Trieste) ; Torre, S Dalla (INFN, Trieste) ; Dasgupta, S (ICTP, Trieste) ; Gregori, M (INFN, Trieste) et al.
In high momenta range, the construction of a Ring Imaging CHerenkov (RICH) detector for the particle identification at the future Electron Ion Collider (EIC) is a complicated task. A compact collider setup imposes to construct a RICH with a short radiator length, hence limiting the number of photons. [...]
2022 - 9 p.
- Published in : J. Phys. : Conf. Ser. 2374 (2022) 012140
Fulltext: PDF;
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012140
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2023-06-09
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