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Higgs-boson-pair production $H(\rightarrow b\overline{b})H(\rightarrow\gamma\gamma)$ from gluon fusion at the HL-LHC and HL-100 TeV hadron collider
/ Chang, Jung (Chonnam Natl. U. ; NCTS, Hsinchu) ; Cheung, Kingman (NCTS, Hsinchu ; Konkuk U. ; Taiwan, Natl. Tsing Hua U.) ; Lee, Jae Sik (Chonnam Natl. U. ; NCTS, Hsinchu) ; Lu, Chih-Ting (Taiwan, Natl. Tsing Hua U.) ; Park, Jubin (Chonnam Natl. U. ; NCTS, Hsinchu)
We perform the most up-to-date comprehensive signal-background analysis for Higgs-pair production in $HH \to b\bar b \gamma\gamma$ channel at the HL-LHC and HL-100 TeV hadron collider, with the goal of probing the self-coupling $\lambda_{3H}$ of the Higgs boson. We simulate all the standard-model signal and background processes with the simulation tools almost as sophisticated as what experimentalists are using. [...]
arXiv:1804.07130; IUEP-HEP-18-02.-
2019-11-05 - 28 p.
- Published in : Phys. Rev. D 100 (2019) 096001
Article from SCOAP3: PDF; Fulltext: PDF;
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2.
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Maximal Electric Dipole Moments of Nuclei with Enhanced Schiff Moments
/ Ellis, John (CERN ; King's Coll. London) ; Lee, Jae Sik (NCTS, Hsinchu) ; Pilaftsis, Apostolos (Manchester U.)
The electric dipole moments (EDMs) of heavy nuclei, such as 199Hg, 225Ra and 211Rn, can be enhanced by the Schiff moments induced by the presence of nearby parity-doublet states. Working within the framework of the maximally CP-violating and minimally flavour-violating (MCPMFV) version of the MSSM, we discuss the maximal values that such EDMs might attain, given the existing experimental constraints on the Thallium, neutron and Mercury EDMs. [...]
arXiv:1101.3529; CERN-PH-TH-2011-008; KCL-PH-TH-2011-02; MAN-HEP-2011-01.-
2011 - 26 p.
- Published in : JHEP 02 (2011) 045
Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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4.
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A Geometric Approach to CP Violation: Applications to the MCPMFV SUSY Model
/ Ellis, John (CERN) ; Lee, Jae Sik (NCTS, Hsinchu) ; Pilaftsis, Apostolos (Manchester U.)
We analyze the constraints imposed by experimental upper limits on electric dipole moments (EDMs) within the Maximally CP- and Minimally Flavour-Violating (MCPMFV) version of the MSSM. Since the MCPMFV scenario has 6 non-standard CP-violating phases, in addition to the CP-odd QCD vacuum phase \theta_QCD, cancellations may occur among the CP-violating contributions to the three measured EDMs, those of the Thallium, neutron and Mercury, leaving open the possibility of relatively large values of the other CP-violating observables. [...]
arXiv:1006.3087; CERN-PH-TH-2010-137; MAN-HEP-2010-07; CERN-PH-TH-2010-137; MAN-HEP-2010-07.-
2010 - 33 p.
- Published in : JHEP 10 (2010) 049
Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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5.
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The Hunt for New Physics at the Large Hadron Collider
/ Nath, Pran (Northeastern U.) ; Nelson, Brent D. (Northeastern U.) ; Davoudiasl, Hooman (Brookhaven) ; Dutta, Bhaskar (Texas A-M) ; Feldman, Daniel (Michigan U., MCTP) ; Liu, Zuowei (SUNY, Stony Brook) ; Han, Tao (Wisconsin U., Madison) ; Langacker, Paul (Princeton, Inst. Advanced Study) ; Mohapatra, Rabi (Maryland U.) ; Valle, Jose (Valencia U., IFIC) et al.
The Large Hadron Collider presents an unprecedented opportunity to probe the realm of new physics in the TeV region and shed light on some of the core unresolved issues of particle physics. These include the nature of electroweak symmetry breaking, the origin of mass, the possible constituent of cold dark matter, new sources of CP violation needed to explain the baryon excess in the universe, the possible existence of extra gauge groups and extra matter, and importantly the path Nature chooses to resolve the hierarchy problem - is it supersymmetry or extra dimensions. [...]
arXiv:1001.2693; FERMILAB-CONF-10-643-E.-
2010 - 233 p.
- Published in : Nucl. Phys. B, Proc. Suppl. 200-202 (2010) 185-417
Fulltext: fermilab-conf-10-643-e - PDF; arXiv:1001.2693 - PDF; External link: Fermilab Library Server (fulltext available)
In : International Workshop on Beyond the standard model physics and LHC signatures, Boston, MA, USA, 02 - 04 Jun 2009, pp.185-417
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6.
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Flavour Geometry and Effective Yukawa Couplings in the MSSM
/ Ellis, John (CERN) ; Hodgkinson, Robert N. (KEK, Tsukuba ; Valencia U. ; Valencia U., IFIC ; Manchester U.) ; Lee, Jae Sik (NCTS, Hsinchu) ; Pilaftsis, Apostolos (Manchester U.)
We present a new geometric approach to the flavour decomposition of an arbitrary soft supersymmetry-breaking sector in the MSSM. Our approach is based on the geometry that results from the quark and lepton Yukawa couplings, and enables us to derive the necessary and sufficient conditions for a linearly-independent basis of matrices related to the completeness of the internal [SU(3) x U(1)]^5 flavour space. [...]
arXiv:0911.3611; CERN-PH-TH-2009-219; FTUV-09-1118; MAN-HEP-2009-43; CERN-PH-TH-2009-219; FTUV-09-1118; MAN-HEP-2009-43.-
2010 - 39 p.
- Published in : JHEP 02 (2010) 016
Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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Higgs Phenomenology with CPsuperH
/ Ellis, John R. (CERN) ; Lee, Jae Sik (Seoul Natl. U.) ; Pilaftsis, Apostolos (CERN ; Manchester U.)
The MSSM contains CP-violating phases that may have important observable effects in Higgs physics. We review recent highlights in Higgs phenomenology obtained with the code CPsuperH, a useful tool for studies of the production, mixing and decay of a coupled system of the neutral Higgs bosons at future high energy colliders such as the LHC, ILC ($\gamma$LC), and a muon collider (MC). [...]
hep-ph/0605288; CERN-PH-TH-2006-102; MAN-HEP-2006-18; CERN-PH-TH-2006-102; MAN-HEP-2006-18.-
Geneva : CERN, 2006 - 18 p.
- Published in : Mod. Phys. Lett. A 21 (2006) 1405-1422
Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint
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Les Houches physics at TeV colliders 2005 beyond the standard model working group: Summary report
/ Allanach, Benjamin C. (Cambridge U., DAMTP) ; Grojean, Christophe (CERN ; Saclay, SPhT) ; Skands, Peter Z. (Fermilab) ; Accomando, E. ; Azuelos, Georges ; Baer, H. ; Balazs, Csaba ; Belanger, G. ; Benakli, Karim ; Boudjema, Fawzi et al.
The work contained herein constitutes a report of the Beyond the Standard Model'' working group for the Workshop Physics at TeV Colliders, Les Houches, France, 2-20 May, 2005. We present reviews of current topics as well as original research carried out for the workshop. [...]
hep-ph/0602198; CERN-PH-TH-2006-019; FERMILAB-CONF-06-338-T; SLAC-PUB-11770.-
Geneva : CERN, 2005 - 269 p.
Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ph/0602198 PDF
In : 4th Workshop on Physics at TeV Colliders, Les Houches, France, 2 - 20 May 2005, pp.235-236
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10.
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Resonant CP Violation in Higgsstrahlung at an $e^{+}e^{-}$ Linear Collider
/ Ellis, John R. (CERN) ; Lee, Jae Sik (Manchester U.) ; Pilaftsis, Apostolos (Manchester U.)
We study resonant CP violation in the Higgsstrahlung process e^+e^- -> H_{1,2,3} (Z -> e^+e^-, \mu^+\mu^-) and subsequent decays H_{1,2,3} -> b \bar{b}, \tau^-\tau^+, in the MSSM with Higgs-sector CP violation induced by radiative corrections. At a high-energy e^+e^- linear collider, the recoil-mass method enables one to determine the invariant mass of a fermion pair produced by Higgs decays with a precision as good as 1 GeV. [...]
hep-ph/0507046; CERN-PH-TH-2005-112; CERN-PH-TH-2005-112.-
Geneva : CERN, 2005 - 21 p.
- Published in : Phys. Rev. D 72 (2005) 095006
APS Published version, local copy: PDF; Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint
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