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Measurement of Direct Photons inAu+AuCollisions at<sub>sNN</sub>=200GeV
Afanasiev, S.,Aidala, C.,Ajitanand, N. N.,Akiba, Y.,Al-Jamel, A.,Alexander, J.,Aoki, K.,Aphecetche, L.,Armendariz, R.,Aronson, S. H.,Averbeck, R.,Awes, T. C.,Azmoun, B.,Babintsev, V.,Baldisseri, A.,Ba American Physical Society 2012 Physical review letters Vol.109 No.15
Charged Kaon Interferometric Probes of Space-Time Evolution inAu+AuCollisions atsNN=200 GeV
Afanasiev, S.,Aidala, C.,Ajitanand, N. N.,Akiba, Y.,Alexander, J.,Al-Jamel, A.,Aoki, K.,Aphecetche, L.,Armendariz, R.,Aronson, S. H.,Averbeck, R.,Awes, T. C.,Azmoun, B.,Babintsev, V.,Baldisseri, A.,Ba American Physical Society 2009 Physical Review Letters Vol.103 No.14
<P>Bose-Einstein correlations of charged kaons are used to probe Au+Au collisions at sqrt[S(NN)]=200 GeV and are compared to charged pion probes, which have a larger hadronic scattering cross section. Three-dimensional Gaussian source radii are extracted, along with a one-dimensional kaon emission source function. The centrality dependences of the three Gaussian radii are well described by a single linear function of N(part)1/3 with a zero intercept. Imaging analysis shows a deviation from a Gaussian tail at r greater than or approximately equal to 10 fm, although the bulk emission at lower radius is well described by a Gaussian. The presence of a non-Gaussian tail in the kaon source reaffirms that the particle emission region in a heavy-ion collision is extended, and that similar measurements with pions are not solely due to the decay of long-lived resonances.</P>
Vladimir Putin`s New Foreign Policy and Russian Views of the Situation on the Korean Peninsula
( Evgeny V Afanasiev ) 한국국방연구원 2000 The Korean Journal of Defense Analysis Vol.12 No.2
President Vladimir Putin confirmed that Russia is open to the world and is ready to develop cooperation and dialogue with all countries. Russia`s goal is a stable and secure world. The basis for building it is equality, mutual respect and mutually beneficial cooperation. The situation in the Asia-Pacific region is relatively stable. In general, the positive dynamics for its development, acquired in the years following the end of global bipolar confrontation, remain. Russia firmly intends to develop normal, mutually beneficial ties with all the countries of the sub-region, to bring them to the partnership level, and is ready to actively use the present dialogue channels in Northeast Asia in order to strengthen regional predictability and stability. The Korean peninsula is one of Russia`s foreign policy priorities in Asia; it is a zone of our national interests. Russia supports the processes leading to the dc-isolation of the DPRK and its integration into the international community, to the national accord and reconciliation of the Koreans, and eventually to the unification of the divided nation through a constructive inter Korean dialogue. History confirms that separated nations and countries should eventually reunite. It is equally important to understand that the ultimate reunification of Korea will require also the support and understanding of the international community, first of all of major powers. And we have to start creating such international mechanisms of dialogue in Northeast Asia long in advance.
PHENIX Collaboration,Afanasiev, S.,Aidala, C.,Ajitanand, N.N.,Akiba, Y.,Alexander, J.,Al-Jamel, A.,Aoki, K.,Aphecetche, L.,Armendariz, R.,Aronson, S.H.,Averbeck, R.,Awes, T.C.,Azmoun, B.,Babintsev, V. North-Holland Pub. Co 2009 Physics letters: B Vol.679 No.4
We present the first measurement of photoproduction of J/ψ and of two-photon production of high-mass e<SUP>+</SUP>e<SUP>-</SUP> pairs in electromagnetic (or ultra-peripheral) nucleus-nucleus interactions, using Au+Au data at s<SUB>NN</SUB>=200 GeV. The events are tagged with forward neutrons emitted following Coulomb excitation of one or both Au<SUP>@</SUP>? nuclei. The event sample consists of 28 events with m<SUB>e<</SUB>SUP><SUB><</SUB>/SUP>+<SUB>e<</SUB>SUP><SUB><</SUB>/SUP>->2 GeV/c<SUP>2</SUP> with zero like-sign background. The measured cross sections at midrapidity of dσ/dy(J/ψ+Xn,y=0)=76+/-33(stat)+/-11(syst) μb and d<SUP>2</SUP>σ/dmdy(e<SUP>+</SUP>e<SUP>-</SUP>+Xn,y=0)=86+/-23(stat)+/-16(syst) μb/(GeV/c<SUP>2</SUP>) for m<SUB>e<</SUB>SUP><SUB><</SUB>/SUP>+<SUB>e<</SUB>SUP><SUB><</SUB>/SUP>-@?[2.0,2.8] GeV/c<SUP>2</SUP> have been compared and found to be consistent with models for photoproduction of J/ψ and QED based calculations of two-photon production of e<SUP>+</SUP>e<SUP>-</SUP> pairs.
Measurements of Elliptic and Triangular Flow in High-MultiplicityHe3+AuCollisions atsNN=200 GeV
Adare, A.,Afanasiev, S.,Aidala, C.,Ajitanand, N. N.,Akiba, Y.,Akimoto, R.,Al-Bataineh, H.,Alexander, J.,Alfred, M.,Al-Ta’ani, H.,Andrews, K. R.,Angerami, A.,Aoki, K.,Apadula, N.,Aphecetche, L.,Appelt, American Physical Society 2015 Physical Review Letters Vol.115 No.14
Search for dark photons from neutral meson decays inp+pandd+Aucollisions at<sub>sNN</sub>=200GeV
Adare, A.,Afanasiev, S.,Aidala, C.,Ajitanand, N. N.,Akiba, Y.,Akimoto, R.,Al-Bataineh, H.,Al-Ta'ani, H.,Alexander, J.,Alfred, M.,Andrews, K. R.,Angerami, A.,Aoki, K.,Apadula, N.,Aphecetche, L.,Appelt, American Physical Society 2015 PHYSICAL REVIEW C - Vol.91 No.3
Systematic study of charged-pion and kaon femtoscopy in Au + Au collisions at<sub>sNN</sub>=200GeV
Adare, A.,Afanasiev, S.,Aidala, C.,Ajitanand, N. N.,Akiba, Y.,Al-Bataineh, H.,Alexander, J.,Alfred, M.,Aoki, K.,Apadula, N.,Aramaki, Y.,Asano, H.,Atomssa, E. T.,Averbeck, R.,Awes, T. C.,Azmoun, B.,Bab American Physical Society 2015 PHYSICAL REVIEW C - Vol.92 No.3
Inclusive cross section and double helicity asymmetry forπ0production inp+pcollisions ats=62.4 GeV
Adare, A.,Afanasiev, S.,Aidala, C.,Ajitanand, N. N.,Akiba, Y.,Al-Bataineh, H.,Alexander, J.,Aoki, K.,Aphecetche, L.,Asai, J.,Atomssa, E. T.,Averbeck, R.,Awes, T. C.,Azmoun, B.,Babintsev, V.,Bai, M.,Ba American Physical Society 2009 PHYSICAL REVIEW D - Vol.79 No.1
Measurement ofΥ(1S+2S+3S)production inp+pand Au + Au collisions at<sub>sNN</sub>=200GeV
Adare, A.,Afanasiev, S.,Aidala, C.,Ajitanand, N. N.,Akiba, Y.,Akimoto, R.,Al-Bataineh, H.,Al-Ta'ani, H.,Alexander, J.,Angerami, A.,Aoki, K.,Apadula, N.,Aphecetche, L.,Aramaki, Y.,Asai, J.,Asano, H.,As American Physical Society 2015 PHYSICAL REVIEW C - Vol.91 No.2