T. Kawabata

Proton elastic scattering from tin isotopes at 295 MeV and systematic change of neutron density distributions (2008)

Terashima, S., Sakaguchi, H., Takeda, H., Ishikawa, T., Itoh, M., Kawabata, T., ...

Cross sections and analyzing powers for proton elastic scattering from $^{116,118,120,122,124}$Sn at 295 MeV have been measured for a momentum transfer of up to about 3.5 fm$^{-1}$ to deduce...

Gamow-Teller strength for the analog transitions to the first T=1/2, J^pi=3/2- states in 13C and 13N and the implications for Type Ia supernovae (2007)

Zegers, R. G. T., Brown, E. F., Akimune, H., Austin, Sam M., Brown, B. A., ...

The Gamow-Teller strength for the transition from the ground state of 13C to the T=1/2, J^pi=3/2- excited state at 3.51 MeV in 13N is extracted via the 13C(3He,t) reaction at 420 MeV. In contrast to...

The Giant Monopole Resonance in the $^{112-124}$Sn Isotopes and the Symmetry Energy Term in Nuclear Incompressibility (2007)

Li, T., Garg, U., Liu, Y., Marks, R., Nayak, B. K., Rao, P. V. Madhusudhana, ...

We have investigated the isoscalar giant monopole resonance (GMR) in the Sn isotopes, using inelastic scattering of 400-MeV $\alpha$-particles at extremely forward angles, including 0 deg. A value of...

Isotopic dependence of the giant monopole resonance in the even-A ^{112-124}Sn isotopes and the asymmetry term in nuclear incompressibility (2007)

Li, T., Garg, U., Liu, Y., Marks, R., Nayak, B. K., Rao, P. V. Madhusudhana, ...

The strength distributions of the giant monopole resonance (GMR) have been measured in the even-A Sn isotopes (A=112--124) with inelastic scattering of 400-MeV $\alpha$ particles in the angular range...

Observation of the first gravitational microlensing event in a sparse stellar field : the Tago event (2007)

Fukui, A., Abe, F., Ayani, K., Fujii, M., Iizuka, R., Itow, Y., ...

We report the observation of the first gravitational microlensing event in a sparse stellar field, involving the brightest (V=11.4 mag) andclosest (~ 1 kpc) source star to date. This event was...

On the extraction of weak transition strengths via the (3He,t) reaction at 420 MeV (2007)

Zegers, R. G. T, Adachi, T., Akimune, H., Austin, Sam M., Brown, B. A., ...

Differential cross sections for transitions of known weak strength were measured with the (3He,t) reaction at 420 MeV on targets of 12C, 13C, 18O, 26Mg, 58Ni, 60Ni, 90Zr, 118Sn, 120Sn and 208Pb....

Centrality Dependence of $\pi^0$ and $\eta$ Production at Large Transverse Momentum in $\sqrt{s_{NN}}$ = 200 GeV d+Au Collisions (2007)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

The dependence of transverse momentum spectra of neutral pions and eta mesons with p_T

Study of M1 excitations by high-resolution proton inelastic scattering experiment at forward angles (2007)

Tamii, A., Adachi, T., Carter, J., Dozono, M., Fujita, H., Fujita, Y., ...

8 pages, 5 figures.-- PACS nrs.: 25.40.Ep, 25.70.De.-- ISI Article Identifier: 000247257800008.

High transverse momentum $\eta$ meson production in p+p, d+Au and Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV (2007)

S. Adler, S., Afanasiev, S., Aidala, C., N. Ajitanand, N., Akiba, Y., Alexander, J., ...

Inclusive transverse momentum spectra of eta mesons in the range p_T~2-12 GeV/c have been measured at mid-rapidity (|\eta| < 0,35) by the PHENIX experiment at RHIC in p+p, d+Au and Au+Au collisions...

Measurement of direct photon production in p + p collisions at $\sqrt{s}$ = 200 GeV (2007)

Adler, S. S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Cross sections for mid-rapidity production of direct photons in p+p collisions at the Relativistic Heavy Ion Collider (RHIC) are reported for 3 < p_T < 16 GeV/c. Next-to-leading order (NLO)...

Naamidines H and I, Cytotoxic Imidazole Alkaloids from the Indonesian Marine Sponge Leucetta chagosensis. (2007)

Tsukamoto, S., Kawabata, T., Kato, H., Ohta, T., Rotinsulu, H., Mangindaan, R.E.P., ...

Jet Properties from Dihadron Correlations in p+p Collisions at $\sqrt{s}$=200 GeV (2006)

S. Adler, S., Afanasiev, S., Aidala, C., N. Ajitanand, N., Akiba, Y., Al-Jamel, A., ...

The properties of jets produced in p+p collisions at sqrt(s)=200 GeV are measured using the method of two particle correlations. The trigger particle is a leading particle from a large transverse...

System Size and Energy Dependence of Jet-Induced Hadron Pair Correlation Shapes in Cu+Cu and Au+Au Collisions at $\sqrt{s_{NN}}$ = 200 and 62.4 GeV (2006)

Adare, A., Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., ...

We present azimuthal angle correlations of intermediate transverse momentum (1-4 GeV/c) hadrons from {dijets} in Cu+Cu and Au+Au collisions at sqrt(s_NN) = 62.4 and 200 GeV. The away-side dijet...

Production of $\omega$ mesons at Large Transverse Momenta in p+p and d+Au Collisions at $\sqrt{s_{NN}}$ = 200 GeV (2006)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

The PHENIX experiment at RHIC has measured the invariant cross section for omega-meson production at mid-rapidity in the transverse momentum range 2.5 < p_T < 9.25 GeV/c in p+p and d+Au collisions at...

Precision measurement of vector and tensor analyzing powers in elastic deuteron-proton scattering (2006)

Mardanpour, H., Amir-Ahmadi, H. R., Deltuva, A., Itoh, K., Kalantar-Nayestanaki, N., Kawabata, T., ...

High precision vector and tensor analyzing powers of elastic deuteron-proton d+p scattering have been measured at intermediate energies to investigate effects of three-nucleon forces (3NF). Angular...

Nuclear Effects on Hadron Production in d+Au and p+p Collisions at $\sqrt{s_{NN}}$=200 GeV (2006)

S. Adler, S., Afanasiev, S., Aidala, C., N. Ajitanand, N., Akiba, Y., Al-Jamel, A., ...

PHENIX has measured the centrality dependence of mid-rapidity pion, kaon and proton transverse momentum distributions in d+Au and p+p collisions at sqrt(s_NN) = 200 GeV. The p+p data provide a...

Azimuthal Angle Correlations for Rapidity Separated Hadron Pairs in d+Au Collisions at $\sqrt{s_{NN}}$=200 GeV (2006)

S. Adler, S., Afanasiev, S., Aidala, C., N. Ajitanand, N., Akiba, Y., Al-Jamel, A., ...

Deuteron-gold (d+Au) collisions at the Relativistic Heavy Ion Collider provide ideal platforms for testing QCD theories in dense nuclear matter at high energy. In particular, models suggesting strong...

Improved Measurement of Double Helicity Asymmetry in Inclusive Midrapidity $\pi^0$ Production for Polarized p+p Collisions at $\sqrt S$=200 GeV (2006)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

We present an improved measurement of the double helicity asymmetry for $\pi^0$ production in polarized proton-proton scattering at $\sqrt S$= 200 GeV employing the PHENIX detector at the...

Jet Structure from Dihadron Correlations in d+Au collisions at $\sqrt{S-{NN}}$=200 GeV (2006)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Dihadron correlations at high transverse momentum in d+Au collisions at sqrt(s_NN) = 200 GeV at midrapidity are measured by the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC). From...

De-excitation gamma-rays from the s-hole state in 15N associated with proton decay in 16O (2006)

Kobayashi, K., Akimune, H., Ejiri, H., Fujimura, H., Fujiwara, M., Hara, K., ...

We have measured de-excitation gamma-rays from the s-hole state in 15N produced via the 16O(p,2p)15N reaction in relation to the study of the nucleon decay and the neutrino neutral-current...

J/$\psi$ Production and Nuclear Effects for $d+Au$ and $p+p$ Collisions at $\sqrt{s_NN}$ = 200 GeV (2006)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

J/psi production in d+Au and p+p collisions at sqrt(s_NN) = 200 GeV has been measured by the PHENIX experiment at rapidities -2.2 < y < +2.4. The cross sections and nuclear dependence of J/\psi...

Measurement of the Gamow-Teller Strength Distribution in 58Co via the 58Ni(t,3He) reaction at 115 MeV/nucleon (2006)

Cole, A. L., Akimune, H., Austin, Sam M., Bazin, D., Berg, G. P. A., ...

Electron capture and beta decay play important roles in the evolution of pre-supernovae stars and their eventual core collapse. These rates are normally predicted through shell-model calculations....

"Bi-modal"Isoscalar Giant Dipole Strength in $^{58}$Ni (2006)

Uchida, M., Takeda, H., Sakaguchi, H., Rao, P. V. M., Lui, Y., Li, T., ...

"Bi-modal'' Isoscalar Giant Dipole Strength in $^{58}$Ni (2006)

Nayak, B. K., Garg, U., Hedden, M., Koss, M., Li, T., Liu, Y., ...

The strength distribution of the isoscalar giant dipole resonance (ISGDR) in $^{58}$Ni has been obtained over the energy range 10.5--49.5 MeV via extreme forward angle scattering (including...

Improved Measurement of Double Helicity Asymmetry in Inclusive Midrapidity $\pi^0$ Production for Polarized p+p Collisions at $\sqrt S$=200 GeV (2006)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

We present an improved measurement of the double helicity asymmetry for $\pi^0$ production in polarized proton-proton scattering at $\sqrt S$= 200 GeV employing the PHENIX detector at the...

Improved Measurement of Double Helicity Asymmetry in Inclusive Midrapidity $\pi^0$ Production for Polarized p+p Collisions at $\sqrt S$=200 GeV (2006)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

We present an improved measurement of the double helicity asymmetry for $\pi^0$ production in polarized proton-proton scattering at $\sqrt S$= 200 GeV employing the PHENIX detector at the...

Azimuthal Angle Correlations for Rapidity Separated Hadron Pairs in d+Au Collisions at $\sqrt{s_{NN}}$=200 GeV (2006)

S. Adler, S., Afanasiev, S., Aidala, C., N. Ajitanand, N., Akiba, Y., Al-Jamel, A., ...

Deuteron-gold (d+Au) collisions at the Relativistic Heavy Ion Collider provide ideal platforms for testing QCD theories in dense nuclear matter at high energy. In particular, models suggesting strong...

Nuclear Effects on Hadron Production in d+Au and p+p Collisions at $\sqrt{s_{NN}}$=200 GeV (2006)

S. Adler, S., Afanasiev, S., Aidala, C., N. Ajitanand, N., Akiba, Y., Al-Jamel, A., ...

PHENIX has measured the centrality dependence of mid-rapidity pion, kaon and proton transverse momentum distributions in d+Au and p+p collisions at sqrt(s_NN) = 200 GeV. The p+p data provide a...

Improved Fe/Mg-Al hydrotalcite catalyst for Baeyer-Villiger oxidation of ketones with molecular oxygen and benzaldehyde (2006)

Kawabata, T, Fujisaki, N, Shishido, T, Nomura, K, Sano, T, Takehira, K

Steam reforming of dimethyl ether over ZSM-5 coupled with Cu/ZnO/Al2O3 catalyst prepared by homogeneous precipitation (2006)

Kawabata, T, Matsuoka, H, Shishido, T, Li, DL, Tian, Y, Sano, T, ...

Sustainability of Ni loaded Mg-Al mixed oxide catalyst in daily startup and shutdown operations of CH4 steam reforming (2006)

Ohi, T, Miyata, T, Li, DL, Shishido, T, Kawabata, T, Sano, T, ...

Memory effect-enhanced catalytic ozonation of aqueous phenol and oxalic acid over supported Cu catalysts derived from hydrotalcite (2006)

Shiraga, M, Kawabata, T, Li, D, Shishido, T, Komaguchi, K, Sano, T, ...

$2\alpha+t$ cluster structure in $^{11}$B (2005)

Kawabata, T., Akimune, H., Fujita, H., Fujita, Y., Fujiwara, M., Hara, K., ...

The cluster structures of the excited states in $^{11}$B are studied by analyzing the isoscalar monopole and quadrupole strengths in the $^{11}$B($d$,$d'$) reaction at $E_d=200$ MeV. The excitation...

The (t,3He) and (3He,t) reactions as probes of Gamow-Teller strength (2005)

Zegers, R. G. T., Akimune, H., Austin, Sam M., Bazin, D., Berg, G. P. A., ...

Charge-exchange reactions are an important tool for determining weak-interaction rates. They provide stringent tests for nuclear structure models necessary for modeling astrophysical environments...

Absence of suppression in particle production at large transverse momentum in $\sqrt{s_{NN}}$ = 200 GeV d+Au collisions (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Formation of dense partonic matter in relativistic nucleus-nucleus collisions at RHIC: Experimental evaluation by the PHENIX collaboration (2005)

Adcox, K., Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., ...

Extensive experimental data from high-energy nucleus-nucleus collisions were recorded using the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). The comprehensive set of measurements...

Jet Structure of Baryon Excess in Au+Au Collisions at sqrt(S_NN) = 200 GeV (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Two particle correlations between identified meson and baryon trigger particles with 2.5 < p_T < 4.0 GeV/c and lower p_T charged hadrons have been measured at midrapidity by the PHENIX experiment at...

Nuclear Modification Factors for Hadrons At Forward and Backward Rapidities in Deuteron-Gold Collisions at $\sqrt S_{NN}$ = 200 GeV (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Alexander, J., ...

We report on charged hadron production in deuteron-gold reactions at $\sqrt S_{NN}$ = 200 GeV. Our measurements in the deuteron-direction cover 1.4 < $\eta$

Double Helicity Asymmetry in Inclusive Midrapidity$\pi^0$ Production for Polarized p+p Collisions at $\sqrt s $=200 GeV (2005)

S. Adler, S., Afanasiev, S., Aidala, C., N. Ajitanand, N., Akiba, Y., Al-Jamel, A., ...

We present a measurement of the double longitudinal spin asymmetry in inclusive pi^0 production in polarized proton-proton collisions at sqrt(s)=200 GeV. The data were taken at the Relativistic Heavy...

Performance of the neutron polarimeter NPOL3 for high resolution measurements (2005)

Wakasa, T., Hagihara, Y., Sasano, M., Asaji, S., Fujita, K., Hatanaka, K., ...

We describe the neutron polarimeter NPOL3 for the measurement of polarization transfer observables $D_{ij}$ with a typical high resolution of $\sim$300 keV at $T_n$ $\simeq$ 200 MeV. The NPOL3 system...

Medium effects on high $\P_{T}$ particle production measured with the PHENIX experiment (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Transverse momentum $\P_{T}$ spectra measured by the PHENIX experiment at RHIC in Au + Au, d + Au and pp collisions at $\sqrt {^S{NN}} = 200 GeV$ and in Au + Au collisions at $\sqrt {^S{NN}} = 62.4...

Low mass dilepton production at RHIC energies (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Recent results on low mass dilepton measurements from the PHENIX experiment are reported. Invariant mass spectra of $\phi-> e+e-$ are measured for the first time in Au-Au collisions at $\sqrt{^{S}NN}...

Can $\phi$ mesons give an answer to the baryon puzzle at RHIC? (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

The PHENIX experiment at RHIC has observed a large enhancement of baryon and anti-baryon production at ~ 2-5 GeV/c, compared to expectations from jet fragmentation. While a number of theoretical...

Jet Structure from Dihadron Correlations in d+Au collisions at $\sqrt{S-{NN}}$=200 GeV (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Dihadron correlations at high transverse momentum in d+Au collisions at sqrt(s_NN) = 200 GeV at midrapidity are measured by the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC). From...

Differential probes of medium-induced energy loss (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Results from the PHENIX experiment of measurements of high- $p_{\rm T}$ particle production presented at the Hard Probes 2004 Conference are summarized. This paper focuses on a sub-set of the...

Heavy flavor production in PHENIX (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

The PHENIX experiment at RHIC measured single electron spectra in p + p, d + Au and Au + Au collisions at $\sqrt{s_{NN}} = 200$ GeV, and in Au + Au collisions at $\sqrt{s_{NN}} = 62.4$ GeV. In these...

Quarkonium production from d+Au to Au+Au collisions (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

The PHENIX experiment measured J/$\psi$ production in pp, d+Au and Au+Au reactions at \sqrt{^sNN}$ = 200 GeV over a wide range of rapidity and transverse momentum. The nuclear modification factor...

J/$\psi$ Production and Nuclear Effects for $d+Au$ and $p+p$ Collisions at $\sqrt{s_NN}$ = 200 GeV (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

J/psi production in d+Au and p+p collisions at sqrt(s_NN) = 200 GeV has been measured by the PHENIX experiment at rapidities -2.2 < y < +2.4. The cross sections and nuclear dependence of J/\psi...

Formation of dense partonic matter in relativistic nucleus-nucleus collisions at RHIC: Experimental evaluation by the PHENIX collaboration (2005)

Adcox, K., Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., ...

Extensive experimental data from high-energy nucleus-nucleus collisions were recorded using the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). The comprehensive set of measurements...

Jet Structure of Baryon Excess in Au+Au Collisions at sqrt(S_NN) = 200 GeV (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Two particle correlations between identified meson and baryon trigger particles with 2.5 < p_T < 4.0 GeV/c and lower p_T charged hadrons have been measured at midrapidity by the PHENIX experiment at...

Nuclear Modification Factors for Hadrons At Forward and Backward Rapidities in Deuteron-Gold Collisions at $\sqrt S_{NN}$ = 200 GeV (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Alexander, J., ...

We report on charged hadron production in deuteron-gold reactions at $\sqrt S_{NN}$ = 200 GeV. Our measurements in the deuteron-direction cover 1.4 < $\eta$

Medium effects on high $\P_{T}$ particle production measured with the PHENIX experiment (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Transverse momentum $\P_{T}$ spectra measured by the PHENIX experiment at RHIC in Au + Au, d + Au and pp collisions at $\sqrt {^S{NN}} = 200 GeV$ and in Au + Au collisions at $\sqrt {^S{NN}} = 62.4...

Low mass dilepton production at RHIC energies (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Recent results on low mass dilepton measurements from the PHENIX experiment are reported. Invariant mass spectra of $\phi-> e+e-$ are measured for the first time in Au-Au collisions at $\sqrt{^{S}NN}...

Can $\phi$ mesons give an answer to the baryon puzzle at RHIC? (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

The PHENIX experiment at RHIC has observed a large enhancement of baryon and anti-baryon production at ~ 2-5 GeV/c, compared to expectations from jet fragmentation. While a number of theoretical...

Jet Structure from Dihadron Correlations in d+Au collisions at $\sqrt{S-{NN}}$=200 GeV (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Dihadron correlations at high transverse momentum in d+Au collisions at sqrt(s_NN) = 200 GeV at midrapidity are measured by the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC). From...

Differential probes of medium-induced energy loss (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

Results from the PHENIX experiment of measurements of high- $p_{\rm T}$ particle production presented at the Hard Probes 2004 Conference are summarized. This paper focuses on a sub-set of the...

Heavy flavor production in PHENIX (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

The PHENIX experiment at RHIC measured single electron spectra in p + p, d + Au and Au + Au collisions at $\sqrt{s_{NN}} = 200$ GeV, and in Au + Au collisions at $\sqrt{s_{NN}} = 62.4$ GeV. In these...

Quarkonium production from d+Au to Au+Au collisions (2005)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Al-Jamel, A., ...

The PHENIX experiment measured J/$\psi$ production in pp, d+Au and Au+Au reactions at \sqrt{^sNN}$ = 200 GeV over a wide range of rapidity and transverse momentum. The nuclear modification factor...