SCOAP3 Repository 17 records found  1 - 10nextSearch took 0.24 seconds. 
1. Phenomenological consequences of the refined swampland conjecture / Fukuda, Hajime ; Saito, Ryo ; Shirai, Satoshi ; Yamazaki, Masahito
We discuss phenomenological consequences of the recently introduced refinements of the de Sitter swampland conjecture, which constrains the first and the second derivative of the scalar potential in terms of two O(1) constants c and c. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.083520 arXiv:1810.06532
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2. How heavy can neutralino dark matter be? / Fukuda, Hajime ; Luo, Feng ; Shirai, Satoshi
What is the upper limit of the mass of the neutralino dark matter whose thermal relic is consistent with the observation? If the neutralino dark matter and colored sparticles are extremely degenerated in mass, with a mass difference less than the QCD scale, the dark matter annihilation is significantly increased and enjoys the “second freeze-out” after the QCD phase transition. [...]
Published in JHEP 1904 (2019) 107 10.1007/JHEP04(2019)107 arXiv:1812.02066
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3. Indirect probe of electroweak-interacting particles with mono-lepton signatures at hadron colliders / Matsumoto, Shigeki ; Shirai, Satoshi ; Takeuchi, Michihisa
Electroweak-interacting massive particles (EWIMPs) exist in a broad class of new physics models beyond the Standard Model. [...]
Published in JHEP 1903 (2019) 076 10.1007/JHEP03(2019)076 arXiv:1810.12234
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4. Low-scale gauge mediation after LHC Run 2 / Lu, Xiaochuan ; Shirai, Satoshi
We study low-scale gauge mediated supersymmetry breaking models with a very light gravitino of mass O(1) eV. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.07.057
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5. Indirect probe of electroweakly interacting particles at the high-luminosity Large Hadron Collider / Matsumoto, Shigeki ; Shirai, Satoshi ; Takeuchi, Michihisa
Many extensions of the standard model (SM) involve new massive particles charged under the electroweak gauge symmetry. [...]
Published in JHEP 1806 (2018) 049 10.1007/JHEP06(2018)049 arXiv:1711.05449
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6. Higgsino dark matter or not: Role of disappearing track searches at the LHC and future colliders / Fukuda, Hajime ; Nagata, Natsumi ; Otono, Hidetoshi ; Shirai, Satoshi
Higgsino in supersymmetric standard models is known to be a promising candidate for dark matter in the Universe. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.03.088
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7. Cornering compressed gluino at the LHC / Nagata, Natsumi ; Otono, Hidetoshi ; Shirai, Satoshi
We discuss collider search strategies of gluinos which are highly degenerate with the lightest neutralino in mass. [...]
Published in JHEP 1703 (2017) 025 10.1007/JHEP03(2017)025 arXiv:1701.07664
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8. Testing ATLAS Z +MET excess with LHC Run 2 / Lu, Xiaochuan ; Shirai, Satoshi ; Terada, Takahiro
The ATLAS collaboration reported a 3σ excess in the search of events containing on- Z dilepton, jets, and large missing momentum (MET) in the 8 TeV LHC run. [...]
Published in JHEP 1605 (2016) 108 10.1007/JHEP05(2016)108 arXiv:1601.05777
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9. Testing ATLAS diboson excess with dark matter searches at LHC / Liew, Seng ; Shirai, Satoshi
The ATLAS collaboration has recently reported a 2.6 σ excess in the search for a heavy resonance decaying into a pair of weak gauge bosons. [...]
Published in JHEP 1511 (2015) 191 10.1007/JHEP11(2015)191 arXiv:1507.08273
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10. Probing Bino-Wino coannihilation at the LHC / Nagata, Natsumi ; Otono, Hidetoshi ; Shirai, Satoshi
We study bino-wino coannihilation scenario in the so-called spread or mini-split supersymmetry. [...]
Published in JHEP 1510 (2015) 086 10.1007/JHEP10(2015)086 arXiv:1506.08206
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