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CERN Document Server 12 elementer funnet  1 - 10neste  gå til element: Søket tok 0.54 sekunder. 
1.
The hypothetical track-length fitting algorithm for energy measurement in liquid argon TPCs / DUNE Collaboration
This paper introduces the hypothetical track-length fitting algorithm, a novel method for measuring the kinetic energies of ionizing particles in liquid argon time projection chambers (LArTPCs). The algorithm finds the most probable offset in track length for a track-like object by comparing the measured ionization density as a function of position with a theoretical prediction of the energy loss as a function of the energy, including models of electron recombination and detector response. [...]
arXiv:2409.18288; FERMILAB-PUB-24-0561-LBNF-PPD; CERN-EP-2024-256.- 2024-09-26 - 44 p. Fulltext: 2409.18288 - PDF; 5ebd9b53b0989890bee405d2a58efefa - PDF; External link: Fermilab Library Server
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2.
Implications of Protecting the QCD Axion in the Dual Description / Choi, Gongjun (CERN) ; Leedom, Jacob (DESY)
The QCD axion can be be formulated in a dual description as a massive 2-form field. In this picture, the QCD axion quality problem translates into the question if there are additional 3-forms coupled to the axion other than the QCD 3-form that emerges at low energy. [...]
arXiv:2307.08733; CERN-TH-2023-117; DESY 23-095.- 2023-09-26 - 19 p. - Published in : JHEP 2309 (2023) 175 Fulltext: 2307.08733 - PDF; document - PDF;
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3.
Z$_{2}$-odd Polonyi field in twin Higgs model / Choi, Gongjun (CERN) ; Harigaya, Keisuke (CERN ; Chicago U. ; Chicago U., EFI ; Chicago U., KICP ; U. Tokyo (main) ; Tokyo U., IPMU)
We consider a supersymmetric mirror Twin Higgs model in a gravity-mediated supersymmetry-breaking scenario. We point out that the Polonyi field can be odd under the $Z_{2}$ symmetry exchanging the Standard Model with the mirror sector while gaugino masses are generated at tree-level. [...]
arXiv:2302.06628; CERN-TH-2023-023.- 2023-07-31 - 32 p. - Published in : JHEP 2307 (2023) 230 Fulltext: 2302.06628 - PDF; document - PDF;
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4.
UV and IR Effects in Axion Quality Control / Burgess, C.P. (McMaster U. ; Perimeter Inst. Theor. Phys.) ; Choi, Gongjun (CERN) ; Quevedo, F. (Cambridge U., DAMTP)
Motivated by recent discussions and the absence of exact global symmetries in UV completions of gravity we re-examine the axion quality problem (and naturalness issues more generally) using antisymmetric Kalb-Ramond (KR) fields rather than their pseudoscalar duals, as suggested by string and higher dimensional theories. Two types of axions can be identified: a model independent $S$-type axion dual to a two form $B_{\mu\nu}$ in 4D and a $T$-type axion coming directly as 4D scalar Kaluza-Klein (KK) components of higher-dimensional tensor fields. [...]
arXiv:2301.00549; CERN-TH-2022-176.- 2024-03-08 - 28 p. - Published in : JHEP 2403 (2024) 051 Fulltext: document - PDF; 2301.00549 - PDF;
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5.
High Quality Axion in Supersymmetric Models / Choi, Gongjun (CERN) ; Yanagida, Tsutomu T. (Shanghai U. ; Tokyo U.)
In this work, we discuss how the use of the symmetries well motivated in physics beyond the Standard model (BSM) can guarantee the high quality axions. We avoid to introduce symmetries only useful for addressing the axion quality problem. [...]
arXiv:2209.09290; CERN-TH-2022-149.- 2022-12-13 - 34 p. - Published in : JHEP 2212 (2022) 067 Fulltext: document - PDF; 2209.09290 - PDF;
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6.
PBH assisted search for QCD axion dark matter / Choi, Gongjun (CERN) ; Schiappacasse, Enrico D. (Jyvaskyla U. ; Helsinki Inst. of Phys. ; Rice U.)
The entropy production prior to BBN era is one of ways to prevent QCD axion with the decay constant $F_{a}\in[10^{12}{\rm GeV},10^{16}{\rm GeV}]$ from overclosing the universe when the misalignment angle is $\theta_{\rm i}=\mathcal{O}(1)$. As such, it is necessarily accompanied by an early matter-dominated era (EMD) provided the entropy production is achieved via the decay of a heavy particle. [...]
arXiv:2205.02255; CERN-TH-2022-077.- 2022-09-28 - 19 p. - Published in : JCAP 2209 (2022) 072 Fulltext: PDF;
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7.
Dynamically Induced Topological Inflation / Choi, Gongjun (CERN) ; Lin, Weikang (Tsung-Dao Lee Inst., Shanghai) ; Yanagida, Tsutomu T. (Tsung-Dao Lee Inst., Shanghai ; Tokyo U., IPMU)
We propose an inflation model in which the inflationary era is driven by the strong dynamics of $Sp(2)$ gauge theory. The quark condensation in the confined phase of $Sp(2)$ gauge theory generates the inflaton potential comparable to the energy of the thermal bath at the time of phase transition. [...]
arXiv:2204.03675; CERN-TH-2022-061.- 2023-02-01 - 5 p. - Published in : Phys. Rev. D 107 (2023) 036005 Fulltext: 2204.03675 - PDF; Publication - PDF;
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8.
Discrete R-symmetry, various energy scales, and gravitational waves / Choi, Gongjun (CERN) ; Lin, Weikang (Shanghai Jiao Tong U.) ; Yanagida, Tsutomu T. (Shanghai Jiao Tong U. ; Tokyo U.)
We present a supersymmetric model where energy scales of a discrete $R$-symmetry breaking ($Z_{6R}$) and cosmic inflation are commonly attributed to the confinement scale of a hidden $Sp(2)$ strong dynamics. Apart from these, SUSY-breaking scale, the Higgsino mass and the right-handed neutrino masses are all shown to stem from $Z_{6R}$ breaking scale inferred from CMB observables. [...]
arXiv:2201.03083; CERN-TH-2022-002.- 2022-03-01 - 28 p. - Published in : Phys. Rev. D 105 (2022) 055033 Fulltext: PhysRevD.105.055033 - PDF; 2201.03083 - PDF;
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9.
Performance of the ISS-CREAM Calorimeter / Picot-Clémente, Nicolas (Maryland U., College Park, IPST) ; Amare, Y (Maryland U., College Park, IPST) ; Anderson, T (Penn State U.) ; Angelaszek, D (Maryland U., College Park, IPST ; Maryland U.) ; Anthony, N (Maryland U.) ; Cheryian, K (Maryland U.) ; Choi, G H (Sungkyunkwan U.) ; Copley, M (Maryland U., College Park, IPST) ; Coutu, S (Penn State U.) ; Derome, L (LPSC, Grenoble) et al.
The Cosmic Ray Energetics And Mass experiment for the International Space Station (ISS-CREAM) is scheduled for launch in 2017. It is designed to directly measure and identify theelemental composition of incident Galactic cosmic rays from a few hundred GeV to PeV energies.Such large energy range sensitivity is reached by using an electromagnetic sampling calorimeter(CAL) which measures the energy deposit of particle-induced showers. [...]
SISSA, 2017 - 6 p. - Published in : PoS ICRC2017 (2018) 247 Fulltext: PDF; External link: PoS server
In : 35th International Cosmic Ray Conference, Busan, Republique De Coree, 12 - 20 Jul 2017, pp.247
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10.
Performance of the BACCUS Transition Radiation Detector / Picot-Clémente, Nicolas (Maryland U., College Park, IPST) ; Amare, Y (Maryland U., College Park, IPST) ; Anderson, T (Penn State U.) ; Angelaszek, D (Maryland U., College Park, IPST ; Maryland U.) ; Anthony, N (Maryland U.) ; Cheryian, K (Maryland U.) ; Choi, G H (Sungkyunkwan U.) ; Copley, M (Maryland U., College Park, IPST) ; Coutu, S (Penn State U.) ; Derome, Laurent (LPSC, Grenoble) et al.
The Boron And Carbon Cosmic rays in the Upper Stratosphere (BACCUS) balloon-borne exper-iment flew for 30 days over Antarctica in December 2016. It is the successor of the CREAMballoon program in Antarctica which recorded a total cumulative exposure of 161 days. [...]
SISSA, 2017 - 8 p. - Published in : PoS ICRC2017 (2018) 246 Fulltext: PDF; External link: PoS server
In : 35th International Cosmic Ray Conference, Busan, Republique De Coree, 12 - 20 Jul 2017, pp.246
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CERN Document Server : 12 elementer funnet   1 - 10neste  gå til element:
Se også: lignende forfatternavn
3 Choi, G H
1 Choi, G P
1 Choi, G S
1 Choi, Geumlan
14 Choi, Gongjun
2 Choi, Gongjun (CERN)
1 Choi, Gwan S
1 Choi, Gweneth
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