CERN Accelerating science

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1.
SHiP - Search for Hidden Particles / Choi, Ki-Young (Chonnam Natl. U.) ; Kim, Sung Hyun (Gyeongsang Natl. U.) ; Lee, Kang Young (Gyeongsang Natl. U.) ; Park, Byung Do (Gyeongsang Natl. U.) ; Yoon, Chun Sil (Gyeongsang Natl. U.) ; Kim, Yeong Gyun (Natl. U. Educ., Gwangju) ; Ko, Jae Woo (Cheju Natl. U.) ; Liu, Dong (Cheju Natl. U.) ; Woo, Jong Kwan (Cheju Natl. U.)
The SHiP (Search for Hidden Particles) is a newly-proposed experiment (P-350) at the CERN SPS to explore hidden particles with mass from sub-GeV up to O(10) GeV. This long detector with a total length of about 150 m is designed to search for very-weakly-interacting long-lived particles, such as heavy neutral leptons (HNL). [...]
NPSM, 2016 - 17 p. - Published in : New Phys. Sae Mulli 66 (2016) 1045-1061 Fulltext: PDF;
2.
Pilot production of RPCs for the SHiP experiment / Lee, Kyong Sei (Korea U.) ; Kang, Minho (Korea U.) ; Jo, Youngmin (Korea U.) ; Park, Sung Keun (Korea U.) ; Ko, Jae-Woo (Gyeongsang Natl. U.) ; Woo, Jong-Kwan (Jeju Nat. U.) ; Choi, Ki-Young (Sungkyunkwan U.) ; Kim, Sung Hyun (Gyeongsang Natl. U.) ; Lee, Kang Young (Gyeongsang Natl. U.) ; Park, Byung Do (Gyeongsang Natl. U.) et al.
Two main aims of the SHiP (Search for Hidden Particles) experiment are the observation of hidden particles and high-statistics study of tau neutrino events. These particles can be produced from the decay of charmed particles in a SHiP hybrid target which is composed of a totally 58-cm long series of TZM slabs followed by Tungsten slabs of the same total length. [...]
SISSA, 2019 - 2 p. - Published in : PoS ICHEP2018 (2019) 924 Fulltext from publisher: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Korea, 4 - 11 Jul 2018, pp.924
3.
A facility to Search for Hidden Particles at the CERN SPS: the SHiP physics case / SHiP Collaboration
This paper describes the physics case for a new fixed target facility at CERN SPS. The SHiP (Search for Hidden Particles) experiment is intended to hunt for new physics in the largely unexplored domain of very weakly interacting particles with masses below the Fermi scale, inaccessible to the LHC experiments, and to study tau neutrino physics. [...]
arXiv:1504.04855; CERN-SPSC-2015-017; SPSC-P-350-ADD-1; SPSC-P-350-ADD-1.- Geneva : CERN, 2016-10-24 - 137 p. Addendum (Proposal) - Published in : Rep. Prog. Phys. 79 (2016) 124201 Fulltext: SPSC-P-350-ADD-1 - PDF; arXiv:1504.04855 - PDF; External links: Original Document (SPSC-P-350); Fulltext
4.
Indirect detection of gravitino dark matter including its three-body decays / Choi, Ki-Young ; Restrepo, Diego ; Yaguna, Carlos E ; Zapata, Oscar
It was recently pointed out that in supersymmetric scenarios with gravitino dark matter and bilinear R-parity violation, gravitinos with masses below Mw typically decay with a sizable branching ratio into the 3-body final states W^*+lepton and Z^*+neutrino. [...]
arXiv:1007.1728 ; PNUTP-10-A08.
- 2010.
Preprint
5.
New decay modes of gravitino dark matter / Choi, Ki-Young ; Yaguna, Carlos E
We consider the three-body decays of gravitino dark matter in supersymmetric scenarios with bilinear R-parity violation. [...]
arXiv:1003.3401 ; PNUTP-10-A05.
- 2010.
Preprint
6.
Dark matter, mu problem and neutrino mass with gauged R-symmetry / Choi, Ki-Young (Pusan Natl. U.) ; Chun, Eung Jin (Korea Inst. Advanced Study, Seoul) ; Lee, Hyun Min (CERN)
We show that the mu problem and the strong CP problem can be resolved in the context of the gauged U(1)_R symmetry, realizing an automatic Peccei-Quinn symmetry. In this scheme, right-handed neutrinos can be introduced to explain small Majorana or Dirac neutrino mass. [...]
arXiv:1002.4791; CERN-PH-TH-2010-038.- 2010 - 26 p. - Published in : Phys. Rev. D 82 (2010) 105028 APS Published version, local copy: PDF; External link: Preprint
7.
Determining Reheating Temperature at LHC with Axino or Gravitino Dark Matter / Choi, Ki-Young (Sheffield U.) ; Roszkowski, Leszek (Sheffield U.) ; Ruiz de Austri, R (Madrid, Autonoma U.)
After a period of inflationary expansion, the Universe reheated and reached full thermal equilibrium at the reheating temperature. In this talk, based on the paper, arXiv:0710.3349, we point out that, in the context of effective low-energy supersymmetric models, LHC measurements may allow one to determine reheating temperature as a function of the mass of the dark matter particle assumed to be either an axino or a gravitino. [...]
arXiv:0811.2427.- 2009 External link: Preprint
In : 4th International Conference on the Dark Side of the Universe, Cairo, Egypt, 1 - 5 Jun 2008, pp.27-32
8.
Determining Reheating Temperature at Colliders with Axino or Gravitino Dark Matter / Choi, Ki-Young (Sheffield U. ; Madrid, Autonoma U. ; Madrid, IFT) ; Roszkowski, Leszek (Sheffield U. ; CERN) ; Ruiz de Austri, Roberto (Madrid, Autonoma U. ; Madrid, IFT)
After a period of inflationary expansion, the Universe reheated and reached full thermal equilibrium at the reheating temperature T_R. In this work we point out that, in the context of effective low-energy supersymmetric models, LHC measurements may allow one to determine T_R as a function of the mass of the dark matter particle assumed to be either an axino or a gravitino. [...]
arXiv:0710.3349.- 2008 - 19 p. - Published in : JHEP 04 (2008) 016 Fulltext: JHEP04(2008)016 - PDF; arXiv:0710.3349 - PDF; SISSA/IOP Open Access article: PDF; External link: Fulltext

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