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Medium- and high-spin states of ${}^{132}$La have been studied based on the data obtained from ${}^{100}$Mo(${}^{36}\text{S},p3n$) and ${}^{116}$Cd(${}^{23}\text{Na},\ensuremath{\alpha}3n$) fusion-evaporation reactions using the EUROBALL and Gammasphere detector arrays, respectively. Triple-$\ensuremath{\gamma}$ coincidence relations, angular correlations, and linear polarizations of the observed $\ensuremath{\gamma}$ transitions have been deduced. The level scheme of ${}^{132}$La has been considerably extended, and unambiguous spin and parity values have been assigned to most of the excited states. The configuration of one of the bands is $\ensuremath{\pi}{g}_{7/2}{({h}_{11/2})}^{2}\ensuremath{\nu}{h}_{11/2}$ instead of the previously thought $\ensuremath{\pi}{h}_{11/2}\ensuremath{\nu}{h}_{11/2}$; thus its previously suggested magnetic rotational character cannot be upheld. The observed similarities between the level structures of ${}^{132}$La and ${}^{134}$Pr suggest the possible existence of a third $\ensuremath{\pi}{h}_{11/2}\ensuremath{\nu}{h}_{11/2}$ band in ${}^{132}$La that may show chiral features.

Dictamnol (1), a trinor-guaiane type seequiterpene from the roots of Dictamnus dasycarpus TURCZ., was synthesized from 4α-acetoxy-3, 4, 4a, 5, 6, 8aβ-hexahydro-4aα-methyl-2H, 8H-naphthalene-1, 7-dione (3) by the utilization of an intramolecular base-induced rearrangement with sodium tert-amylate as a key step (27→28). Compound 3 was prepared from a chiral dione, (S)3, 4, 8, 8a-tetrahydro-8aα-methyl-2H, 7H-naphthalene-1, 6-dione (2) according to the procedure of de Groot et al. [J. Org. Chem., 48, 4380 (1983)] and was transformed into dictamnol (1) via 22, 23, 24, 26, 27, 28, and 30. Thus, the absolute configuration of dictamnol is as represented by formula 1.

High-resolution pionic atom X-ray spectroscopy was performed with an X-ray spectrometer based on a 240 pixel array of superconducting transition-edge sensor (TES) microcalorimeters at the φM1 beam line of the Paul Scherrer Institute. X-rays emitted by pionic carbon via the 4f → 3d transition and the parallel 4d → 3p transition were observed with a full width at half maximum energy resolution of 6.8 eV at 6.4 keV. The measured X-ray energies are consistent with calculated electromagnetic values which considered the strong interaction effect assessed via the Seki-Masutani potential for the 3p energy level, and favor the electronic population of two filled 1s electrons in the K-shell. Absolute energy calibration with an uncertainty of 0.1 eV was demonstrated under a high-rate hadron beam condition of 1.45 MHz. This is the first application of a TES spectrometer to hadronic atom X-ray spectroscopy and is an important milestone towards next-generation high-resolution kaonic atom X-ray spectroscopy. (Less)

The ${\ensuremath{\Theta}}^{+}$ pentaquark baryon was searched for via the ${\ensuremath{\pi}}^{\ensuremath{-}}p\ensuremath{\rightarrow}{K}^{\ensuremath{-}}X$ reaction with a missing mass resolution of $1.4\text{ }\text{ }\mathrm{MeV}/{c}^{2}$ (FWHM) at the Japan Proton Accelerator Research Complex (J-PARC). ${\ensuremath{\pi}}^{\ensuremath{-}}$ meson beams were incident on the liquid hydrogen target with a beam momentum of $1.92\text{ }\text{ }\mathrm{GeV}/c$. No peak structure corresponding to the ${\ensuremath{\Theta}}^{+}$ mass was observed. The upper limit of the production cross section averaged over the scattering angle of 2\ifmmode^\circ\else\textdegree\fi{} to 15\ifmmode^\circ\else\textdegree\fi{} in the laboratory frame is obtained to be $0.26\text{ }\text{ }\ensuremath{\mu}\mathrm{b}/\mathrm{sr}$ in the mass region of $1.51--1.55\text{ }\text{ }\mathrm{GeV}/{c}^{2}$. The upper limit of the ${\ensuremath{\Theta}}^{+}$ decay width is obtained to be 0.72 and 3.1 MeV for ${J}_{\ensuremath{\Theta}}^{P}=1/{2}^{+}$ and ${J}_{\ensuremath{\Theta}}^{P}=1/{2}^{\ensuremath{-}}$, respectively, using the effective Lagrangian approach.

Objectives To assess apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC) expression in oral squamous cell carcinoma (OSCC) and analyze its clinical and pathological significance. Study design ASC expression was studied using immunohistochemistry in 119 OSCCs patients. The relationships between ASC expression and clinical and pathological parameters were statistically analyzed. In addition, the relationships between ASC expression and cell differentiation [IVL (involcrin) expression] and apoptosis (TUNEL [TdT-mediated dUTP nick end labeling] positive cell number) were investigated. Results ASC expression showed significant correlations with parameters including clinical tumor stage, mode of invasion, and histological differentiation, and had a significant impact on survival of OSCC. The distribution of ASC correlated well with that of IVL. ASC expression was significantly correlated with the TUNEL-positive cell number. Conclusions Lower ASC expression correlates with clinical and pathological malignancy and, consequently, poor prognosis of OSCC. ASC has a close association with cell differentiation and apoptosis.

isolation and structure elucidation of eight new triterpenoid saponins, namely stellatoside C (Ib) and its methyl ester (Ic), stellatoside D (Id), stellatoside E (Ia), stellatoside B methyl ester (Ie), thurberoside A (II), phillyriside A (III) and treleaseside A (IV)

Excited states have been identified in the very neutron-deficient $Z=58$ nucleus ${}^{123}$Ce. This is the most neutron-deficient odd-$A$ cerium isotope in which excited states have been identified. The states have been unambiguously assigned to ${}^{123}$Ce by detecting de-excitation $\ensuremath{\gamma}$ rays in coincidence with evaporated charged particles and neutrons. Three rotational bands, each consisting of at least eight $E2$ transitions, have been observed. The bands have tentatively been assigned to be based on neutrons in ${g}_{7/2}$ and ${h}_{11/2}$ orbitals. Two of the bands have been assigned to be signature partners, although no interband transitions have been observed. The aligned angular momenta of the bands have been studied in comparison with neighboring nuclei and with the results of Woods-Saxon cranking calculations. Observation of the deformation-dependent $\ensuremath{\pi}{({h}_{11/2})}^{2}$ quasiparticle alignment at 0.36 MeV/$\ensuremath{\hbar}$ in each of the bands suggests a quadrupole deformation of ${\ensuremath{\beta}}_{2}\ensuremath{\simeq}0.3$, in good agreement with theoretical predictions for the suggested possible configuration assignments.

High-resolution spectrometers for both incident beams and scattered particles have been constructed at the K1.8 beam line of the Hadron Experimental Facility at J-PARC. A point-to-point optics is realized between the entrance and exit of QQDQQ magnets for the beam spectrometer. Fine-pitch wire chamber trackers and hodoscope counters are installed in the beam spectrometer to accept a high rate beam up to 107 Hz. The superconducting kaon spectrometer for scattered particles was transferred from KEK with modifications to the cryogenic system and detectors. A missing-mass resolution of 1.9 ± 0.1 MeV/c2 (FWHM) was achieved for the ∑ peaks of (π±, K+) reactions on a proton target in the first physics run of E19 in 2010.

The high-spin structure of the nucleus ${}^{104}$Pd was studied through the ${}^{96}$Zr(${}^{13}$C,5$n$) reaction at incident energies of 51 and 58 MeV, using the Euroball IV $\ensuremath{\gamma}$-ray spectrometer in conjunction with the DIAMANT charged-particle array. Several new medium- and high-spin bands were revealed. The already known positive-parity yrast and the negative-parity cascades were extended up to ${E}_{x}\ensuremath{\sim}13$, $\ensuremath{\sim}\phantom{\rule{-0.16em}{0ex}}11$, and $\ensuremath{\sim}\phantom{\rule{-0.16em}{0ex}}9$ MeV with ${I}^{\ensuremath{\pi}}=({26}^{+}$), ${I}^{\ensuremath{\pi}}=({23}^{\ensuremath{-}}$), and (20${}^{\ensuremath{-}}$), respectively. The deduced band structures were compared with Woods-Saxon total Routhian surface (TRS) calculations. In addition, non-yrast low-lying positive-parity bands were identified, which were assigned to soft $\ensuremath{\gamma}$-vibrational excitations.

本研究では, 国土数値情報を活用することで, 日本国内の任意地点での液状化危険度予測をボーリングデータを用いずに簡易的に実行できる手法を提示する. すなわち, 地盤液状化履歴図に示される液状化発生地点の微地形分類と, 対応する地震による当該地点の震度階を一組のデータとすることで, 対象とする広領域での各微地形分類ごとの液状化発生確率 (危険度) を定量的に推定する手法を開発した. そこでは, 地理情報システム (GIS) が基準地域メッシュを単位とする液状化危険度解析のデータ処理と結果の判定に有効であることを示す.

High-spin states have been studied in Pr-135(59), populated through the Cd-116(Na-23,4n) reaction at 115 MeV, using the Gammasphere gamma-ray spectrometer. The negative-parity yrast band has been significantly extended to spin similar to 45 (h) over bar and excitation energy 21.5 MeV, showing evidence for several rotational alignments. The positive-parity yrast band of Ce-135(58), populated through the p4n channel of this reaction, was also populated to spin similar to 38 (h) over bar and excitation energy 18 MeV. Cranking calculations indicate that these nuclei are soft with respect to the triaxiality parameter gamma and that several competing nuclear shapes occur at high spin.

Adopting the fully quantal triaxial particle rotor model, the candidate chiral doublet bands in odd-$A$ nuclei $^{103}$Rh and $^{105}$Rh with $\pi g_{9/2}^{-1}\otimes\nu h^{2}_{11/2}$ configuration are studied. For the doublet bands in both nuclei, agreement is excellent for the observed energies over entire spin range and $B(M1)/B(E2)$ at higher spin range. The evolution of the chiral geometry with angular momentum is discussed in detail by the angular momentum components and their probability distributions. Chirality is found to change from chiral vibration to nearly static chirality at spin $I=37/2$ and back to another type of chiral vibration at higher spin. The influence of the triaxial deformation $\gamma$ is also studied., Comment: 22pages, 10 figures; accepted by Physical Review C

We study the shape of $\ensuremath{\Lambda}$ hypernuclei in the full ($\ensuremath{\beta},\ensuremath{\gamma}$) deformation plane, including both axially symmetric and triaxial quadrupole deformations. To this end, we use the constrained Skyrme Hartree-Fock $+$ BCS method on a three-dimensional Cartesian mesh. The potential energy surface is analyzed for carbon hypernuclei as well as for sd-shell hypernuclei such as ${}_{\ensuremath{\Lambda}}^{27,29}$Si and ${}_{\ensuremath{\Lambda}}^{25,27}$Mg. We show that the potential energy surfaces in the ($\ensuremath{\beta},\ensuremath{\gamma}$) plane of the hypernuclei and the corresponding core nuclei are similar to each other, although the addition of the $\ensuremath{\Lambda}$ hyperon makes the energy surface somewhat softer along the $\ensuremath{\gamma}$ direction.

Chondroid lipoma is a rare benign fatty tumor, and few cases of such lesions in the intraoral region have been reported. Here, we report a case of chondroid lipoma located in the tongue of a 73-year-old woman. Microscopic evaluation of the tumor showed that it was composed of mature adipose tissue and eosinophilic cells that showed vacuoles and resembled lipoblasts, which were present in a myxoid and chondroid-like stroma. Immunocytochemistry revealed that the cells in the tumor stained positive for Ki-67. The important histological differentials are liposarcoma, chondrosarcoma and chondrolipoma.

The HypHI experiment for precise hypernuclear spectroscopy with induced reactions of stable heavy ion beams and rare isotope beams is currently under preparation at GSI. The main goal of the HypHI project is to study neutron and proton rich hypernuclei and to measure directly hypernuclear magnetic moments at GSI and FAIR. In the first HypHI experiment (Phase 0) planned in 2009, the feasibility of precise hypernuclear spectroscopy with heavy ion beams will be demonstrated by observing π- decay channels of [Formula: see text], [Formula: see text] and [Formula: see text] with 6 Li projectiles at 2 A GeV impinging on a 12 C target. An overview of the HypHI project and the details of the Phase 0 experiment will be discussed.

Dictamnol (1), a trinor-guaiane type seequiterpene from the roots of Dictamnus dasycarpus TURCZ., was synthesized from 4α-acetoxy-3, 4, 4a, 5, 6, 8aβ-hexahydro-4aα-methyl-2H, 8H-naphthalene-1, 7-dione (3) by the utilization of an intramolecular base-induced rearrangement with sodium tert-amylate as a key step (27→28). Compound 3 was prepared from a chiral dione, (S)3, 4, 8, 8a-tetrahydro-8aα-methyl-2H, 7H-naphthalene-1, 6-dione (2) according to the procedure of de Groot et al. [J. Org. Chem., 48, 4380 (1983)] and was transformed into dictamnol (1) via 22, 23, 24, 26, 27, 28, and 30. Thus, the absolute configuration of dictamnol is as represented by formula 1.

The purpose of this study was to analyze the impact of different surgical margin conditions on local recurrence of oral squamous cell carcinoma (SCC) in 148 consecutive patients who underwent planned radical resection of oral SCC. The patients were classified into four categories according to the status of the surgical margin: clear (no SCC within 5mm, n=103), close (SCC within 5mm, n=21), dysplasia (dysplastic epithelium at margin, n=13), and involved (SCC at margin, n=11). Cox's proportional hazard model showed that the status of the surgical margin had a significant impact on local recurrence (p

Racemic ligularone (2) and isoligulatone (18) were synthesized from the cis-4aβ, 5, 6, 7, 8, 8a-hexahydro-8β, 8aβ-dimethylnapthalen-1, 3(2H, 4H)-dione (11) by furannulation reaction with diethylprop-2-ynylsulphonium bromide, prepared from diethyl sulfide and propargyl bromide.

The reaction of a sec-nitrodienamine 3 with aldehyde compounds afforded 2-substituted 3-nitro-1,2-dihydropyridines 5, providing a heterocyclic annulation reaction.

The reactions of sec-aminodienyl esters 3 with crotonaldehyde (4) afforded N-alkyl 3-[2-(methoxycarbonyl)ethenyl]-4-methyl-1,4-dihydropyridines 5, providing a new azaelectrocyclization reaction.

Learning processes are becoming increasingly mediated by computers and the internet. E-learning, especially Web-based learning, is penetrating into various fields. An ordinary e-Learning system usually evaluates learners’ states from their inputs to the pre-programmed questions. The time-sequentially changing emotions of learners are important for the management of the learning environment, just like face to-face classes. The present paper describes an emotion diagnosis system that can judge the emotions of an e-Learning user based on his/her eye movement speed and fixation duration time. The criteria for classifying four pairs of semantically different emotions (eight emotions in total) were established through a time-sequential subjective evaluation of the emotions of the subject and a time-sequential analysis of the eye movements of the subject. The achieved coincidence ratios between the discriminated emotions based on the criteria of emotion diagnosis and the time-sequential subjective evaluation for “tired” and “concentrating” were 77% and 60%, respectively.

The elementary photo-strangeness production process has been intensively studied based on the high-quality data of the charged kaon channel, γ + p → K+ + Λ(Σ0). However, there had been no reliable data for the neutral kaon channel γ + n → K0 + Λ(Σ0) and the theoretical investigations suffer seriously from the lack of the data. In order to have reliable data for the neutral kaon photo-production data, substantial effort has been made to measure the γ + n → K0 + Λ process in the π+π- decay channel, using a liquid deuterium target and a tagged photon beam (Eγ = 0.8-1.1 GeV ) in the threshold region at the Laboratory of Nuclear Science (LNS), Tohoku University. We have taken exploratory data quite successfully with the use of Neutral Kaon Spectrometer (NKS) at LNS-Tohoku in 2003 and 2004. The data is compared to theoretical models and it indicates a hint that the K0 differential cross section has a backward peak in the energy region. The second generation of the experiment, NKS2, is designed to extend the NKS experiment by considerably upgrading the original neutral kaon spectrometer, fully replacing the spectrometer magnet, tracking detectors and all the trigger counters. The new spectrometer NKS2 has significantly larger acceptance for neutral kaons compared with NKS, particularly covering forward angles and much better invariant mass resolution. The estimated acceptance of NKS2 is three (ten) times larger for [Formula: see text] than that of NKS. The spectrometer is newly constructed and installed at the Laboratory of Nuclear Science, Tohoku University in 2005. The deuterium target data was taken with tagged photon beam in 2006-2007. We will report recent results of NKS2 in this paper. Additionally, a status of the upgrade project that gives us larger acceptance and capability of K0 + Λ coincidence measurement will be presented.

Hypernuclear gamma-ray spectroscopy experiments at J-PARC using the next generation Germanium detector array, Hyperball-J is discussed. An overview of the first experiment (E13) is summarized and the present preparation status of the magnetic spectrometer system and Hyperball-J is given. Possible gamma-ray spectroscopy studies of the sd-shell Λ hypernuclei, especially of magnesium isotopes, are presented.

Supported ruthenium hydroxide catalysts (Ru(OH)(x)/support) were prepared with three different TiO(2) supports (anatase TiO(2) (TiO(2)(A), BET surface area: 316 m(2) g(-1)), anatase TiO(2) (TiO(2)(B), 73 m(2) g(-1)), and rutile TiO(2) (TiO(2)(C), 3.2 m(2) g(-1))), as well as an Al(2)O(3) support (160 m(2) g(-1)). Characterizations with X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), electron spin resonance (ESR), and X-ray absorption fine structure (XAFS) showed the presence of monomeric ruthenium(III) hydroxide and polymeric ruthenium(III) hydroxide species. Judging from the coordination numbers of the nearest-neighbor Ru atoms and the intensities of the ESR signals, the amount of monomeric hydroxide species increased in the order of Ru(OH)(x)

An efficent synthesis of the C/D ring-cleaved compounds (13S and 13R) from hirsutine (7) and their transformation into three different type of products, 8 (C-mavacurine type), 18 (isopleicarpamine type), and 22 are described

Racemic ligularone (2) and isoligulatone (18) were synthesized from the cis-4aβ, 5, 6, 7, 8, 8a-hexahydro-8β, 8aβ-dimethylnapthalen-1, 3(2H, 4H)-dione (11) by furannulation reaction with diethylprop-2-ynylsulphonium bromide, prepared from diethyl sulfide and propargyl bromide.

The reactions of magnesium amides 4 derived from sec-aminoacrylates 3 and ethylmagnesium bromide with methyl propiolate (2) afforded α-pyridones. This provides an efficient heterocyclic annelation reaction.

The sec-nitrodienamines 3 were prepared by reaction of the tert-nitrodienamine 1 with primary amines. The reaction of 3 with acetaldehyde afforded 2-methyl-3-nitro-1, 2-dihydropyridines 5, providing a new and efficient heterocyclic annulation reaction.

Article, ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY. 107(4):531-534 (2009)

Lifetimes of chiral candidate structures in {sup 103,104}Rh were measured using the recoil distance Doppler-shift method. The Gammasphere detector array was used in conjunction with the Cologne plunger device. Excited states of {sup 103,104}Rh were populated by the {sup 11}B({sup 96}Zr,4n){sup 103}Rh and {sup 11}B({sup 96}Zr,3n){sup 104}Rh fusion-evaporation reactions in inverse kinematics. Three and five lifetimes of levels belonging to the proposed chiral doublet bands are measured in {sup 103}Rh and {sup 104}Rh, respectively. The previously observed even-odd spin dependence of the B(M1)/B(E2) values is caused by the variation in the B(E2) values, whereas the B(M1) values decrease as a function of spin.

Reduction of allylic alcohols can be promoted efficiently by the supported ruthenium catalyst Ru(OH) x / Al 2 O 3 . Various allylic alcohols were converted to saturated alcohols in excellent yields by using 2-propanol without any additives. This Ru(OH) X / Al 2 O 3 -catalyzed reduction of a dienol proceeds only at the allylic double bond to afford the corresponding enol, and chemoselective isomerization and reduction can be realized under similar conditions. The catalysis is truly heterogeneous and the high catalytic performance can be maintained during at least three recycles of the Ru(OH) x / Al 2 O 3 catalyst. The transformation of allylic alcohols to saturated alcohols consists of three sequential reactions: oxidation of allylic alcohols to α,β-unsaturated carbonyl compounds; reduction of α,β-unsaturated carbonyl compounds to saturated carbonyl compounds; and reduction of saturated carbonyl compounds to saturated alcohols.

We present our plan to measure X rays from Ξ − atoms for the first time in the world at J-PARC. The measurement of X rays from Ξ − atoms is a promising method to study the optical potential between Ξ − and a nucleus as proved in the cases of other negative hadrons (π −, K −, \( \bar p \) , and Σ −). While we are intending to measure X rays from as many targets as possible over the periodic table, we have chosen Fe (iron) as the first target because the measurement will be the easiest and because large X-ray energy shift and width may be expected. Choice of other targets will be determined based on the result of the first experiment. We can accumulate several thousand counts of X rays and determine its energy shift down to ∼0.05 keV. This is sensitive enough to observe expected energy shift (∼1 keV) with reasonable accuracy, while sensitivities for X-ray width is somewhat weaker (measurable down to ∼1 keV).

In this paper, a preliminary result from the latest hypernuclear γ-ray spectroscopy experiment (KEK-E566) is presented together with a short discussion. The experiment was performed at the KEK-PS K6 beam line in 2005. In this experiment, the 12C(π +,K +) Λ 12 C reaction was employed to populate Λ 12 C/ Λ 11 B hypernuclei. A germanium detector array, Hyperball2, was constructed to detect γ-rays emitted from the hypernuclei produced. Three hypernuclear γ-ray peaks were observed and assigned.

The purpose of this study was to assess the ability of intraoperative tissue staining with consecutive application of 0.4% indigo carmine and 0.5% Congo red to demonstrate the extent and border of oral carcinoma invasion. Seventeen patients were included in the study. Once the oral tumor was resected, a vertical section of surgical specimen was taken from the central part of the tumor. The extent and border of the invaded carcinoma were assessed on digital microscopic examination with tissue staining. The results of assessments were compared with corresponding results of conventional histopathological analysis with HE staining, which is considered the gold standard. Tissue staining produced a brown-black stain on normal muscle, connective, and salivary tissues but not tumor and epithelial tissues. It clearly demonstrated the extent and border of tumor invasion in 13 of 17 patients (76.5%); however, detection of remnant vital tumor cells in scar tissue after neoadjuvant chemotherapy, and distinction between the tumor and adipose tissue scattered in the muscle tissue was difficult. The results of this study showed that intraoperative tissue staining was a possible method in demonstrating the extent and border of carcinoma deeply invaded in the soft tissue and selecting the site for additional frozen section analysis, although the method needed some refinement.

The HypHI collaboration aims to perform a precise hypernuclear spectroscopy with stable heavy ion beams and rare isotope beams at GSI and fAIR in order to study hypernuclei at extreme isospin, especially neutron rich hypernuclei to look insight hyperon-nucleon interactions in the neutron rich medium, and hypernuclear magnetic moments to investigate baryon properties in the nuclei. We are currently preparing for the first experiment with $^6$Li and $^{12}$C beams at 2 AGeV to demonstrate the feasibility of a precise hypernuclear spectroscopy by identifying $^{3}_{\Lambda}$H, $^{4}_{\Lambda}$H and $^{5}_{\Lambda}$He. The first physics experiment on these hypernuclei is planned for 2009. In the present document, an overview of the HypHI project and the details of this first experiment will be discussed., Comment: 5 pages, 2 figures, French-Japanese symposium 2008, Paris (France)