Effect of Tensor Correlations on Single-particle and Collective States (2009)
We study the effect of tensor correlations on single-particle and collective states within Skyrme Hartree-Fock and RPA model. Firstly, We study the role of tensor interactions in Skyrme effective...
Effects of the Tensor Force on the Multipole Response in Finite Nuclei (2009)
Cao, Li-Gang, Colo', G., Sagawa, H., Bortignon, P. F., Sciacchitano, L.
We present a thorough analysis of the effects of the tensor interaction on the multipole response of magic nuclei, using the fully self-consistent Random Phase Approximation (RPA) model with Skyrme...
Odd-even mass difference and isospin dependent pairing interaction (2009)
Bertulani, C. A., Lu, H. F., Sagawa, H.
The neutron and proton odd-even mass differences are studied with Hartree-Fock+BCS (HFBCS) calculations with Skyrme interactions and an isospin dependent contact pairing interaction, which is...
Two-particle correlations in continuum dipole transitions in Borromean nuclei (2009)
Hagino, K., Sagawa, H., Nakamura, T., Shimoura, S.
We discuss the energy and angular distributions of two emitted neutrons from the dipole excitation of typical weakly-bound Borromean nuclei, $^{11}$Li and $^6$He. To this end, we use a three-body...
Water abd related chemistry in the Solar System. A Guaranteed Time Key Program for Herschel (2009)
Hartogh, P., Lellouch, E., Crovisier, J., Banaszkiewicz, M., Bensch, F., Bergin, E.A., ...
Di-neutron correlation in light neutron-rich nuclei (2008)
Hagino, K., Sagawa, H., Schuck, P.
Using a three-body model with density-dependent contact interaction, we discuss the root mean square distance between the two valence neutrons in $^{11}$Li nuclues as a function of the center of mass...
Effect of Tensor Correlations on Gamow-Teller States in 90Zr and 208Pb (2008)
Bai, C. L., Sagawa, H., Zhang, H. Q., Zhang, X. Z., Colò, G., Xu, F. R.
The tensor terms of the Skyrme effective interaction are included in the self-consistent Hartree-Fock plus Random Phase Approximation (HF+RPA) model. The Gamow-Teller (GT) strength function of 90Zr...
Possible Shape Coexistence and Magnetic Dipole Transitions in $^{17}$C and $^{21}$Ne (2008)
Sagawa, H., Zhou, X. R., Suzuki, Toshio, Yoshida, N.
Magnetic dipole(M1) transitions of N=11 nuclei, $^{17}$C and $^{21}$Ne are investigated by using shell model and deformed Skyrme Hartree-Fock+blocked BCS wave functions. Shell model calculations...
Strong dineutron correlation in 8He and 18C (2008)
Hagino, K., Takahashi, N., Sagawa, H.
We study the spatial structure of four valence neutrons in the ground state of $^8$He and $^{18}$C nuclei using a core+4$n$ model. For this purpose, we employ a density-dependent contact interaction...
Effective pairing interactions with isospin density dependence (2008)
Margueron, J., Sagawa, H., Hagino, K.
We perform Hartree-Fock-Bogoliubov (HFB) calculations for semi-magic Calcium, Nickel, Tin and Lead isotopes and $N$=20, 28, 50 and 82 isotones using density-dependent pairing interactions recently...
Effective pairing interactions with isospin density dependence (2008)
Margueron, J., Sagawa, H., Hagino, K.
We perform Hartree-Fock-Bogoliubov (HFB) calculations for semi-magic Calcium, Nickel, Tin and Lead isotopes and $N$=20, 28, 50 and 82 isotones using density-dependent pairing interactions recently...
Effective pairing interactions with isospin density dependence (2008)
Margueron, J., Sagawa, H., Hagino, K.
We perform Hartree-Fock-Bogoliubov (HFB) calculations for semi-magic Calcium, Nickel, Tin and Lead isotopes and $N$=20, 28, 50 and 82 isotones using density-dependent pairing interactions recently...
Distributions of the Venus 1.27-μm O2 airglow and rotational temperature (2008)
Ohtsuki, S., Iwagami, N., Sagawa, H., Ueno, M., Kasaba, Y., Imamura, T., ...
Effective pairing interactions with isospin density dependence (2007)
Margueron, J., Sagawa, H., Hagino, K.
We perform Hartree-Fock-Bogoliubov (HFB) calculations for semi-magic Calcium, Nickel, Tin and Lead isotopes and $N$=20, 28, 50 and 82 isotones using density-dependent pairing interactions recently...
Effective pairing interactions with isospin density dependence (2007)
Margueron, J., Sagawa, H., Hagino, K.
We perform Hartree-Fock-Bogoliubov (HFB) calculations for semi-magic Calcium, Nickel, Tin and Lead isotopes using density-dependent pairing interactions recently derived from a microscopic...
Effective pairing interactions with isospin density dependence (2007)
Margueron, J., Sagawa, H., Hagino, K.
We perform Hartree-Fock-Bogoliubov (HFB) calculations for semi-magic Calcium, Nickel, Tin and Lead isotopes using density-dependent pairing interactions recently derived from a microscopic...
New Limits on the Masses of the Selectron and Photino (2007)
Y. Sugimoto, K. Abe, Y. Fujii, S. Igarashi, Y. Kurihara, M. H. Lee, ...
A study of e + e \Gamma annihilations into final states containing a single energetic photon with no accompanying particles is made at a center of mass energy of 57.8 GeV. The measured cross section...
Pairing Correlations in halo Nuclei (2007)
Paring correlations in weakly bound halo nuclei $^{6}$He and $^{11}$Li are studied by using a three-body model with a density-dependent contact interaction. We investigate the spatial structure of...
Dipole excitation and geometry of borromean nuclei (2007)
We analyze the Coulomb breakup cross sections of $^{11}$Li and $^6$He nuclei using a three-body model with a density-dependent contact interaction. We show that the concentration of the B(E1)...
Coexistence of BCS- and BEC-like pair structures in halo nuclei (2007)
Hagino, K., Sagawa, H., Carbonell, J., Schuck, P.
We investigate the spatial structure of two-neutron wave function in a Borromean nucleus $^{11}$Li using a three-body model in which two valence neutrons interact with each other by a...
Charge radius and dipole response of $^{11}$Li (2007)
Esbensen, H., Hagino, K., Mueller, P., Sagawa, H.
We investigate the consistency of the measured charge radius and dipole response of $^{11}$Li within a three-body model. We show how these observables are related to the mean square distance between...
Sagawa, H., Yoshida, Satoshi, Zhou, Xian-Rong, Yako, K., Sakai, H.
Charge exchange spin-dipole (SD) excitations of $^{90}$Zr and $^{208}$Pb are studied by using a Skyrme Hartree-Fock(HF) + Random Phase approximation (RPA). The calculated spin-dipole strength...
Isospin asymmetry in the continuum of the A=14 mirror nuclei (2007)
We study the isospin asymmetry in the isoscalar (IS) excitations in the mirror nuclei $^{14}$O and $^{14}$C by using the Hartree-Fock(HF)+random phase approximation (RPA) linear response function...
Pseudo-spin symmetry in density-dependent relativistic Hartree-Fock theory (2007)
Long, W.H., Sagawa, H., Meng, J., Van Giai, N.
The pseudo-spin symmetry (PSS) is investigated in the density-dependent relativistic Hartree-Fock theory by taking {the} doubly magic nucleus $^{132}$Sn as a representative. It is found that the Fock...
Spin-orbit splitting and the tensor component of the Skyrme interaction (2007)
Colo', G., Sagawa, H., Fracasso, S., Bortignon, P. F.
We study the role of the tensor term of the Skyrme effective interactions on the spin-orbit splittings in the N=82 isotones and Z=50 isotopes. The different role of the triplet-even and triplet-odd...
Three-body model calculations for 16C nucleus (2006)
We apply a three-body model consisting of two valence neutrons and the core nucleus $^{14}$C in order to investigate the ground state properties and the electronic quadrupole transition of the...
Coexistence of BCS and BEC-like pair structures in halo nuclei (2006)
Hagino, K., Sagawa, H., Carbonell, J., Schuck, P.
We investigate the spatial structure of the two-neutron wave function in the Borromean nucleus $^{11}$Li, using a three-body model of $^9$Li $+n+n$, which includes many-body correlations stemming...
Neutron Skin Thickness of 90Zr Determined By Charge Exchange Reactions (2006)
Yako, K., Sagawa, H., Sakai, H.
Charge exchange spin-dipole (SD) excitations of 90Zr are studied by the 90Zr(p,n) and 90Zr(n,p) reactions at 300 MeV. A multipole decomposition technique is employed to obtain the SD strength...
Widths of isobaric analog resonances: a microscopic approach (2006)
Colo, G., Sagawa, H., Van Giai, Nguyen, Bortignon, P.F., Suzuki, T.
Evolution of deformations in medium-mass nuclei (2005)
Sagawa, H., Zhou, X. R., Zhang, X. Z.
Evolution of quadrupole deformations in $sd$ and $pf$ shell nuclei with mass A= 18$\sim$56 is studied by using deformed Skyrme Hartree-Fock (HF) model with pairing correlations. We point out that the...
Pairing correlations in nuclei on the neutron-drip line (2005)
Paring correlations in weakly bound nuclei on the edge of neutron drip line is studied by using a three-body model. A density-dependent contact interaction is employed to calculate the ground state...
Perturbative HFB model for many-body pairing correlations (2004)
We develop a perturbative model to treat the off-diagonal components in the Hartree-Fock-Bogoliubov (HFB) transformation matrix, which are neglected in the BCS approximation. Applying the...
Physics at Super B Factory (2004)
Akeroyd, A. G., Bartel, W., Bondar, A., Browder, T. E., Drutskoy, A., Enari, Y., ...
This report presents the results of studies that investigate the physics reach at a Super B factory, an asymmetric-energy e^+e^- collider with a design luminosity of 5 x 10^35 cm^-2s^-1, which is...
Status and perspectives of sin2alpha measurements (2003)
In the neutral B meson system, it is possible to measure the CKM angle alpha using the decay mode b -> u ubar d in the presence of pollution from gluonic b -> d penguin decays. Here the recent status...
Continuum QRPA response for deformed neutron-rich nuclei (2003)
Hagino, K., Van Giai, Nguyen, Sagawa, H.
We discuss properties of the quadrupole collective excitation of the deformed neutron-rich nucleus $^{38}$Mg within the framework of quasi-particle random phase approximation (QRPA). We first solve...
Isoscalar dipole (compression) mode is studied first using schematic harmonic-oscillator model and, then, the self-consistent Hartree-Fock (HF) and random phase approximation (RPA) solved in...
Dynamical Effects beyond Mean Field in Drip Line Nuclei (2002)
Sagawa, H., Colo, G., Suzuki, T.
New structure problems are raised in nuclei near drip lines by recent RIB experiments. We pointed out the importance of dynamical effect beyond mean field theories to the new structure problems.
Continuum QRPA in the coordinate space representation (2001)
We formulate a quasi-particle random phase approximation (QRPA) in the coordinate space representation. This model is a natural extension of the RPA model of Shlomo and Bertsch to open-shell nuclei...
Restoration of Isospin Symmetry in Highly Excited Nuclei (1998)
Sagawa, H., Bortignon, P. F., Colo`, G.
Explicit relations between the isospin mixing probability, the spreading width $\Gamma_{IAS}^{\downarrow}$ of the Isobaric Analog State (IAS) and the statistical decay width $\Gamma_c$ of the...
Widths of Isobaric Analog Resonances: a microscopic approach (1998)
Colo`, G., Sagawa, H., Van Giai, N., Bortignon, P. F., Suzuki, T.
A self-consistent particle-phonon coupling model is used to investigate the properties of the isobaric analog resonance in $^{208}$Bi. It is shown that quantitative agreement with experimental data...
Widths of isobaric analog resonances: a microscopic approach (1998)
Colo, G., Sagawa, H., Nguyen Van, Giai, Bortignon, P.F., Suzuki, T.
Widths of isobaric analog resonances: a microscopic approach (1998)
Colo, G., Sagawa, H., Van Giai, Nguyen, Bortignon, P.F., Suzuki, T.
Energy Dependence of Breakup Cross Sections of Halo Nucleus 8B and Effective Interactions (1997)
Bertulani, C. A., Lotti, P., Sagawa, H.
We study the energy dependence of the cross sections for nucleon removal of 8B projectiles. It is shown that the Glauber model calculations with nucleon-nucleon t-matrix reproduce well the energy...
Study of the radiation hardness of CsI(Tl) crystals for the BELLE detector (1997)
Kazui, K, Watanabe, A, Osone, S, Cheon, B G, Fukushima, M, Hayashii, H, ...
Measurement of $D^{\star + -}$ production in two-photon processes at TRISTAN (1996)
Takashimizu, N, Sasaki, T, Miyata, H, Aso, T, Miyano, K, Nakajima, N, ...
Ueno, K, Kanda, S, Olsen, S L, Kirk, P, Wang, T J, Abashian, Alexander, ...
Beam test of the CsI(Tl) calorimeter for the BELLE detector at the KEK-B factory (1996)
Ohshima, Y, Ahn, S H, Aoki, M, Awa, S, Fukushima, M, Hayashii, H, ...
Behari, S, Murakami, A, Kanda, S, Fujimoto, H, Kobayashi, S, Sahu, S K, ...
New limits on the masses of the selectron and photino (1996)
Sugimoto, Y, Abe, K, Fujii, Y, Igarashi, S, Kurihara, Y, Lee, M H, ...
A measurement of Bose-Einstein correlations in e+e- annihilation at TRISTAN (1995)
Choi, S K, Walker, R C, Bodek, Arie, Kim, B J, Velissaris, C, Kirk, P, ...
A high-Q$^{2}$ measurement of the photon structure function F$_{2}^{\gamma}$ (1995)
Sahu, S K, Ebara, S, Nozaki, T, Behari, S, Fujimoto, H, Kobayashi, S, ...
Probing the Ground State and Transition Densities of Halo Nuclei (1995)
We investigate the use of elastic and inelastic scatterings with secondary beams of radioactive nuclei as a mean to obtain information on ground state properties and transition matrix elements to...
Life time of soft multipole excitations (1995)
Sagawa, H., Nguyen Van, Giai, Takigawa, N., Ishihara, M., Yazaki, K.
Life time of soft multipole excitations (1995)
Sagawa, H., Van Giai, Nguyen, Takigawa, N., Ishihara, M., Yazaki, K.
Velissaris, C, Lusin, S, Chung, Y S, Park, K W, Cho, D K, Bodek, Arie, ...
Photoproduction of an isovector rho pi state at 1775-MeV. (1991)
Condo, GT, Handler, T, Shimony, J, Abe, K, Armenteros, R, ...
Condo, G T, Handler, T, Shimony, J, Abe, K, Austern, M, Armenteros, R, ...
A SEARCH FOR A SHORT LIVED AXION DECAYING TO e+ e- IN A 20-GeV PHOTOPRODUCTION EXPERIMENT (1989)
Ackleh, ES, Brau, J, Butler, J, Moffeit, KC, Rankin, P, ...
Brau, J, Franek, B, Wester, W, Abe, K, Bacon, T C, ...
FORWARD CHARGE ASYMMETRY IN 20-GeV gamma p REACTIONS (1986)
O'Dell, V, Rankin, P, Yost, G P, Harwin, M J, Abe, K, ...
INCLUSIVE PHOTOPRODUCTION OF STRANGE BARYONS AT 20-GeV (1985)
Abe, K, Armenteros, R, Bacon, T C, Ballam, Joseph, Bingham, H H, ...
Abe, K, Bacon, T C, Bingham, H H, Brau, J, Braune, K, ...
STUDY OF THE rho-prime (1600) MASS REGION USING gamma p ---> pi+ pi- p AT 20-GeV (1984)
Abe, K, Bacon, T C, Ballam, Joseph, Bevan, A V, Bingham, H H, ...
Abe, K, Bacon, T C, Ballam, Joseph, Bevan, A V, Bingham, H H, ...
STUDY OF THE REACTION GAMMA P ---> RHO- DELTA++ AT 20-GeV (1984)
Abe, K, Bacon, T C, Bingham, H H, Brau, J, Braune, K, ...
CHARM PHOTOPRODUCTION AT 20-GeV (1983)
Abe, K, Bacon, T C, Ballam, Joseph, Bevan, A V, Bingham, H H, ...
INCLUSIVE PHOTOPRODUCTION OF NEUTRAL STRANGE PARTICLES AT 20-GeV (1983)
Abe, K, Bacon, T C, Ballam, Joseph, Bevan, A V, Bingham, H H, ...
ON THE STRUCTURE AND DEFORMATION OF YRAST STATES IN146Gd, 147Gd, AND 152Dy+ (1980)
Døssing, T., Neergård, K., Sagawa, H.
The change of shape along the yrast line observed in147Gd is explained in terms of a deformed independent particle model. Results of calculations for 146Gd and 152Dy are also presented.
ON THE STRUCTURE AND DEFORMATION OF YRAST STATES IN146Gd, 147Gd, AND 152Dy+ (1980)
Døssing, T., Neergård, K., Sagawa, H.
The change of shape along the yrast line observed in147Gd is explained in terms of a deformed independent particle model. Results of calculations for 146Gd and 152Dy are also presented.
ON THE STRUCTURE AND DEFORMATION OF YRAST STATES IN146Gd, 147Gd, AND 152Dy+ (1980)
Døssing, T., Neergård, K., Sagawa, H.
The change of shape along the yrast line observed in147Gd is explained in terms of a deformed independent particle model. Results of calculations for 146Gd and 152Dy are also presented.
Filament formation of Fusobacterium nucleatum cells induced by mecillinam.
Onoe, T, Umemoto, T, Sagawa, H, Suginaka, H
Subinhibitory concentrations of mecillinam transformed Fusobacterium nucleatum cells into a marked filament form, quite different from a spherical form demonstrated in Escherichia coli.
Sagawa, H, Ohshima, A, Kato, I
To develop restriction enzymes that are useful for genome analysis, we previously performed screening and isolated Sse8387I from Streptomyces sp. strain 8387. Sse8387I is a restriction enzyme that...
Isolation and identification of restriction endonuclease Aor51HI from Acidiphilium organovorum 51H.
Sagawa, H, Takagi, M, Nomura, Y, Inagaki, K, Tano, T, Kishimato, N, ...
Inagaki, K, Ito, T, Sagawa, H, Kotani, H, Kishimoto, N, Sugio, T, ...
Kotani, H, Nomura, Y, Kawashima, Y, Sagawa, H, Takagi, M, Kita, A, ...
A type II restriction endonuclease designated Sse8387I was partially purified from Streptomyces sp. 8387. This enzyme cleaved adenovirus 2 DNA at three sites, lambda phage DNA at five sites, and...
Fukuhara, H, Umemoto, T, Sagawa, H, Kato, K, Kotani, S
Peptidoglycans of Leptotrichia buccalis ATCC 14201 and ATCC 19616 were isolated by extraction with sodium dodecyl sulfate and subsequent digestion of the sodium dodecyl sulfate-insoluble residue with...
Chemical and biological properties of a peptidoglycan isolated from Treponema pallidum kazan.
Umemoto, T, Ota, T, Sagawa, H, Kato, K, Takada, H, Tsujimoto, M, ...
A peptidoglycan layer of Treponema pallidum kazan was isolated by solubilization of whole cells with 1% warm sodium dodecyl sulfate and subsequent digestion of an insoluble residue with proteases....
Filament formation of Fusobacterium nucleatum cells induced by mecillinam.
Onoe, T, Umemoto, T, Sagawa, H, Suginaka, H
Subinhibitory concentrations of mecillinam transformed Fusobacterium nucleatum cells into a marked filament form, quite different from a spherical form demonstrated in Escherichia coli.
Sagawa, H, Ohshima, A, Kato, I
To develop restriction enzymes that are useful for genome analysis, we previously performed screening and isolated Sse8387I from Streptomyces sp. strain 8387. Sse8387I is a restriction enzyme that...
Isolation and identification of restriction endonuclease Aor51HI from Acidiphilium organovorum 51H.
Sagawa, H, Takagi, M, Nomura, Y, Inagaki, K, Tano, T, Kishimato, N, ...
Inagaki, K, Ito, T, Sagawa, H, Kotani, H, Kishimoto, N, Sugio, T, ...
Kotani, H, Nomura, Y, Kawashima, Y, Sagawa, H, Takagi, M, Kita, A, ...
A type II restriction endonuclease designated Sse8387I was partially purified from Streptomyces sp. 8387. This enzyme cleaved adenovirus 2 DNA at three sites, lambda phage DNA at five sites, and...
Fukuhara, H, Umemoto, T, Sagawa, H, Kato, K, Kotani, S
Peptidoglycans of Leptotrichia buccalis ATCC 14201 and ATCC 19616 were isolated by extraction with sodium dodecyl sulfate and subsequent digestion of the sodium dodecyl sulfate-insoluble residue with...
Chemical and biological properties of a peptidoglycan isolated from Treponema pallidum kazan.
Umemoto, T, Ota, T, Sagawa, H, Kato, K, Takada, H, Tsujimoto, M, ...
A peptidoglycan layer of Treponema pallidum kazan was isolated by solubilization of whole cells with 1% warm sodium dodecyl sulfate and subsequent digestion of an insoluble residue with proteases....
N. Takashimizu, T. Sasaki, H. Miyata, T. Aso, K. Miyano, N. Nakajima, ...
production in two-photon processes