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10 papers · 1 filter
Reference material for natural radionuclides in glass designed for underground experiments
P. P. Povinec, M. K. Pham, J. Busto +23
A reference material designed for the determination of natural radionuclides in solid samples (glass pellets) is described and the results of certification are presented. The mater…
Persistent spin helix on a wurtzite ZnO(10-10) surface: First-principles density-functional study
Moh Adhib Ulil Absor, Fumiyuki Ishii, Hiroki Kotaka +1
The persistent spin helix (PSH) that has been widely and exclusively studied in zinc-blende structures is revealed for the first time on the surface of a wurtzite structure. Throug…
First-principles study on cubic pyrochlore iridates Y2Ir2O7 and Pr2Ir2O7
Fumiyuki Ishii, Yo Pierre Mizuta, Takehiro Kato +3
Fully relativistic first-principles electronic structure calculations based on a noncollinear local spin density approximation (LSDA) are performed for pyrochlore iridates YIr$…
Nambu-Goldstone Dark Matter in a Scale Invariant Bright Hidden Sector
Yoshitaka Ametani, Mayumi Aoki, Hiromitsu Goto +1
We consider a scale invariant extension of the standard model (SM) with a combined breaking of conformal and electroweak symmetry in a strongly interacting hidden gauge s…
QCD Effects on Direct Detection of Wino Dark Matter
Junji Hisano, Koji Ishiwata, Natsumi Nagata
We complete the calculation of the wino-nucleon scattering cross section up to the next-to-leading order in . We assume that the other sparticles are decoupled and wino intera…
PeV Scale Right Handed Neutrino Dark Matter in Flavor Symmetric extra U(1) model
Yasuhiro Daikoku, Hiroshi Okada
Recent observation of high energy neutrino in IceCube experiment suggests existence of superheavy dark matter beyond PeV. We identify the parent particles of neutrino as two degene…