S. L. Olsen
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View article: Combined Annual Modulation Dark Matter Search with COSINE-100 and ANAIS-112
Combined Annual Modulation Dark Matter Search with COSINE-100 and ANAIS-112 Open
The annual modulation signal, claimed to be consistent with dark matter as observed by DAMA/LIBRA in a sodium-iodide based detector, has persisted for over two decades. COSINE-100 and ANAIS-112 were designed to test the claim directly usin…
View article: COSINE-100 full dataset challenges the annual modulation signal of DAMA/LIBRA
COSINE-100 full dataset challenges the annual modulation signal of DAMA/LIBRA Open
For over 25 years, the DAMA/LIBRA collaboration has claimed to observe an annual modulation signal, suggesting the existence of dark matter interactions. However, no experiment using different target materials has observed a dark matter si…
View article: You never have enough J/$ψ$ events: the case for a J/$ψ$ factory
You never have enough J/$ψ$ events: the case for a J/$ψ$ factory Open
In a talk at an IHEP-Beijing symposium celebrating the 50th anniversary of the discovery of the J/$ψ$, I reminisced about some of the interesting phenomena that were observed in J/$ψ$ decays in the BES, BESII, and BESIII detectors during t…
View article: Development of MMC-based lithium molybdate cryogenic calorimeters for AMoRE-II
Development of MMC-based lithium molybdate cryogenic calorimeters for AMoRE-II Open
The AMoRE collaboration searches for neutrinoless double beta decay of $$^{100}$$ Mo using molybdate scintillating crystals via low temperature thermal calorimetric detection. The early phases of the experiment, AMoRE-pilot and AMoRE-I,…
View article: Nonproportionality of NaI(Tl) scintillation detector for dark matter search experiments
Nonproportionality of NaI(Tl) scintillation detector for dark matter search experiments Open
We present a comprehensive study of the nonproportionality of NaI(Tl) scintillation detectors within the context of dark matter search experiments. Our investigation, which integrates COSINE-100 data with supplementary $$\gamma $$ spectr…
View article: A detailed Monte Carlo simulation for the Belle TOF system
A detailed Monte Carlo simulation for the Belle TOF system Open
We have developed a detailed Monte Carlo simulation program for the Belle TOF system. Based on GEANT simulation, it takes account of all physics processes in the TOF scintillation counters and readout electronics. The simulation reproduces…
View article: A Young Woman with a Cystic Mass in the External Auditory Canal
A Young Woman with a Cystic Mass in the External Auditory Canal Open
Introduction: Adenoid cystic carcinoma (ACC) is a malignancy that primarily affects the salivary glands. Primary cutaneous ACC (PCACC) is a rare variant that arises from ceruminous glands of the ear and other glands of apocrine origin. Cas…
View article: Nonproportionality of NaI(Tl) Scintillation Detector for Dark Matter Search Experiments
Nonproportionality of NaI(Tl) Scintillation Detector for Dark Matter Search Experiments Open
We present a comprehensive study of the nonproportionality of NaI(Tl) scintillation detectors within the context of dark matter search experiments. Our investigation, which integrates COSINE-100 data with supplementary $γ$ spectroscopy, me…
View article: The Curious Early History of the Cabibbo–Kobayashi–Maskawa Matrix: Miracles Happen!
The Curious Early History of the Cabibbo–Kobayashi–Maskawa Matrix: Miracles Happen! Open
The 1973 Kobayashi–Maskawa paper proposed a compelling link between Cabibbo’s flavor mixing scheme and ${\mathcal {C}}$${\mathcal {P}}$ violation but, since it required the existence of six quarks at a time when the physics community was h…
View article: Search for inelastic WIMP-iodine scattering with COSINE-100
Search for inelastic WIMP-iodine scattering with COSINE-100 Open
We report the results of a search for inelastic scattering of weakly interacting massive particles (WIMPs) off I127 nuclei using NaI(Tl) crystals with a data exposure of 97.7 kg·years from the COSINE-100 experiment. The signature of inelas…
View article: The Curious Early History of CKM Matrix -- miracles happen!
The Curious Early History of CKM Matrix -- miracles happen! Open
The 1973 Kobayashi Maskawa paper proposed a compelling link between Cabibbo's flavor-mixing scheme and CP violation but, since it required the existence of six quarks at a time when the physics community was happy with only three, it recei…
View article: Search for solar bosonic dark matter annual modulation with COSINE-100
Search for solar bosonic dark matter annual modulation with COSINE-100 Open
We present results from a search for solar bosonic dark matter using the annual modulation method with the COSINE-100 experiment. The results were interpreted considering three dark sector bosons models: solar dark photons, Dine-Fischler-S…
View article: Search for Boosted Dark Matter in COSINE-100
Search for Boosted Dark Matter in COSINE-100 Open
We search for energetic electron recoil signals induced by boosted dark matter (BDM) from the galactic center using the COSINE-100 array of NaI(Tl) crystal detectors at the Yangyang Underground Laboratory. The signal would be an excess of …
View article: An induced annual modulation signature in COSINE-100 data by DAMA/LIBRA’s analysis method
An induced annual modulation signature in COSINE-100 data by DAMA/LIBRA’s analysis method Open
The DAMA/LIBRA collaboration has reported the observation of an annual modulation in the event rate that has been attributed to dark matter interactions over the last two decades. However, even though tremendous efforts to detect similar d…
View article: Ecosystem Service Values in Natural Resource Management: A Decision Support Framework
Ecosystem Service Values in Natural Resource Management: A Decision Support Framework Open
Mounting evidence indicates that every ecosystem on the planet is showing signs of deterioration and is seriously threatening the ability of nature to provide crucial ecosystem services to human society. Many ecosystem services are iln dec…
View article: New Window on Matter-Antimatter Differences
New Window on Matter-Antimatter Differences Open
Recent measurements of $CP$-related comparisons of the weak-interaction parameters that describe the decays of the $Ξ^-$ and the $\barΞ^+$ doubly strange hyperon and antihyperon are reviewed and their significance is discussed.
View article: New window on matter-antimatter differences from BESIII
New window on matter-antimatter differences from BESIII Open
Recent measurements of [Formula: see text]-related comparisons of the weak-interaction parameters that describe the decays of the [Formula: see text] and the [Formula: see text] doubly strange hyperon and antihyperon are reviewed and their…
View article: Diagnosis of Metaplastic Synovial Cysts in Clinical Dermatology
Diagnosis of Metaplastic Synovial Cysts in Clinical Dermatology Open
Metaplastic synovial cysts are a rare clinical finding, with less than 70 cases diagnosed to date. These cysts are painful and can greatly impact patients' quality of life. The goal of this case report is to describe the manifestations of …
View article: Searching for low-mass dark matter via the Migdal effect in COSINE-100
Searching for low-mass dark matter via the Migdal effect in COSINE-100 Open
We report on the search for weakly interacting massive particle (WIMP) dark matter candidates in the galactic halo that interact with sodium and iodine nuclei in the COSINE-100 experiment and produce energetic electrons that accompany reco…
View article: The environmental monitoring system at the COSINE-100 experiment
The environmental monitoring system at the COSINE-100 experiment Open
The COSINE-100 experiment is designed to test the DAMA experiment which claimed an observation of a dark matter signal from an annual modulation in their residual event rate. To measure the 1 %-level signal amplitude, it is crucial to cont…
View article: Strong constraints from COSINE-100 on the DAMA dark matter results using the same sodium iodide target
Strong constraints from COSINE-100 on the DAMA dark matter results using the same sodium iodide target Open
Dark matter interpretations of the DAMA signals are excluded by COSINE-100 with the same NaI(Tl) target for various models.
View article: New physics searches at the BESIII experiment
New physics searches at the BESIII experiment Open
The standard model (SM) of particle physics, comprised of the unified electroweak and quantum chromodynamic theories, accurately explains almost all experimental results related to the micro-world, and has made a number of predictions for …
View article: An Analysis of the Competitive Position of Cattle Finishing in Utah and Selected Western States, 1969
An Analysis of the Competitive Position of Cattle Finishing in Utah and Selected Western States, 1969 Open
Utah's cattle feeding industry was described by using both secondary and primary data. The primary data were collected through use of a personal interview survey. Primary data were also collected in Idaho, while secondary data were used fo…
View article: First observation of new isomers in $^{228}$Ac : Impact on dark matter searches
First observation of new isomers in $^{228}$Ac : Impact on dark matter searches Open
We report the discovery of two metastable isomeric states of $^{228}$Ac at 6.28\,keV and 20.19\,keV, with lifetimes of 299$\pm$11\,ns and 115$\pm$25\,ns, respectively. These states are produced by the $\beta$-decay of $^{228}$Ra, a compone…