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Seminars

  1. OCT

    4

    Tuesday

    Nuclear Physics Seminar

    "EoSization in holgraphic shockwave collision"

    Presented by Maximilian Attems, University of Barcelona

    11 am, Small Seminar Room, Bldg. 510

    Tuesday, October 4, 2016, 11:00 am

    Hosted by: 'Oleg Eyser'

    Ever since fast hydrodynamization has been observed in heavy ion collisions the understanding of the very early non-equilbrium stage of such collisions has been a topic of intense research. We use the gauge/string duality to model the creation of a strongly coupled Quark-Gluon plasma in a non-conformal gauge theory. This study is the first non-conformal holographic simulation of a heavy ion collision. We extract new physics as compared to the conformal case such as the non-trivial equation of state and the presence of a sizeable bulk viscosity. Non-conformality gives rise to an increase of the relaxation times of the resulting plasma. Furthermore, if the bulk viscosity is large enough then the plasma becomes well described by hydrodynamics before the equilibrium equation of state becomes applicable. This time we refer to as the EoSization time. This EoSization process is a new non-conformal relaxation channel involving the evolution of energy density and average pressure. It is exciting to see this new channel for bulk viscsosity values well below QCD critical temperature estimates.

  2. OCT

    6

    Thursday

    RIKEN Lunch Seminar

    "TBA"

    Presented by Hiromichi Nishimura, RBRC

    12:30 pm, Building 510, Room 2-160

    Thursday, October 6, 2016, 12:30 pm

    Hosted by: 'Hiroshi Oki'

  3. OCT

    11

    Tuesday

    Nuclear Physics Seminar

    "Transverse polarization of Lambda/anti-Lambda in e+e- annihilation at Belle and the K-Long muon (KLM) system of Belle-II detector"

    Presented by Yinhui Guan, Indiana University

    11 am, Small Seminar Room, Bldg. 510

    Tuesday, October 11, 2016, 11:00 am

    Hosted by: 'Oleg Eyser'

    Spontaneous Lambda polarization has been observed in unpolarized pp collisions years ago while the precise mechanism behind it remains unknown. It is assumed that the so called polarizing Fragmentation Function(FF) plays a important role in this effect. The polarizing FF is of great interest not only because it is strongly connected to the spin structure of hadrons, but also it is chiral-even and the sign is possible to be unambiguously measured so it provides a unique opportunity to test the universality of the FFs. The large e+e- annihilation data sample collected by the Belle experiment at the KEKB storage ring allows a precision study of the production of transversely polarized hyperons and check our current understanding of the associated QCD dynamics. The measurement of transverse Lambda/anti-Lambda polarization in e+e- annihilation in the inclusive Lambda production processes at Belle will be presented and discussed. The Belle II detector and SuperKEKB, the upgrade of Belle detector and KEKB collider, are being constructed at the KEK laboratory in Tsukuba, Japan. The K-Long and muon system of Belle II, which provides the K-Long and muon identification, consists of an alternating sandwich iron plates and active detector elements located outside of the superconducting solenoid. The Belle KLM based on glass-electrode resistive plate chambers(RPC) has demonstrated good performance. However, the long dead time of the RPCs during the recovery of the electric field after a discharge significantly reduces the detection efficiency under high backgrounds fluxes. So the endcap RPCs and two inner layers of barrel RPCs will be retired and replaced with scintillators in Belle II. This talk will introduce the Belle-II detector, mainly KLM system and the related offline software, KLM alignment and the current status of cosmic ray test (CRT).

  4. OCT

    12

    Wednesday

    HET/RIKEN Seminar

    "TBA"

    Presented by Marco Farina, Rutgers University

    2 pm, Small Seminar Room, Bldg. 510

    Wednesday, October 12, 2016, 2:00 pm

    Hosted by: ''Pier Paolo Giardino''

  5. OCT

    13

    Thursday

    RIKEN Lunch Seminar

    "TBA"

    Presented by Raju Venugopalan, BNL

    12:30 pm, Building 510, Room 2-160

    Thursday, October 13, 2016, 12:30 pm

    Hosted by: 'Hiroshi Oki'

  6. OCT

    18

    Tuesday

    Nuclear Physics Seminar

    "Phase diagram of the strongly interacting matter in an effective field theory approach"

    Presented by Gyorgy Wolf

    11 am, Small Seminar Room, Bldg. 510

    Tuesday, October 18, 2016, 11:00 am

    Hosted by: 'Oleg Eyser'

    In the framework of an SU(3) (axial)vector meson extended linear sigma model with additional constituent quarks and Polyakov loops, we investigate the effects of (axial)vector mesons on the chiral phase transition. The parameters of the Lagrangian are set at zero temperature and we use a hybrid approach where in the effective potential the constituent quarks are treated at one-loop level and all the mesons at tree-level. We have four order parameters, two scalar condensates and two Polyakov loop variables and their temperature and baryochemical potential dependence are determined from the corresponding field equations. We investigate the thermodynamics of the system, and at zero temperature we compare our results with lattice calculations. We calculate th phase diagram and the scalar meson masses in the hot and dense medium.

  7. OCT

    20

    Thursday

    RIKEN Lunch Seminar

    "TBA"

    Presented by Chun Shen, BNL

    12:30 pm, Building 510, Room 2-160

    Thursday, October 20, 2016, 12:30 pm

    Hosted by: 'Hiroshi Oki'

  8. OCT

    26

    Wednesday

    HET/RIKEN Seminars

    "TBA"

    Presented by Stefania Gori, University of Cincinnati

    2 pm, Small Seminar Room, Bldg. 510

    Wednesday, October 26, 2016, 2:00 pm

    Hosted by: 'Pier Paolo Giardino'

  9. OCT

    28

    Friday

    Nuclear/ Riken Theory Committee

    "Perturbative QCD and beyond: Bose-Eitstein correlation and $v_n$ at any n"

    Presented by Genya Levin, Tel Aviv University

    2 pm, Small Seminar Room, Bldg. 510

    Friday, October 28, 2016, 2:00 pm

    Hosted by: 'Heikki Mantysaari'

  10. NOV

    2

    Wednesday

    HET/RIKEN Seminars

    "TBA"

    Presented by Amy Nicholson, UC Berkeley

    2 pm, Small Seminar Room, Bldg. 510

    Wednesday, November 2, 2016, 2:00 pm

    Hosted by: 'Mattia Bruno'

  11. NOV

    9

    Wednesday

    HET/RIKEN Seminars

    "TBA"

    Presented by Chung Kao, University of Oklahoma

    2 pm, Small Seminar Room, Bldg. 510

    Wednesday, November 9, 2016, 2:00 pm

    Hosted by: 'Pier Paolo Giardino'

  12. NOV

    29

    Tuesday

    Physics Colloquium

    "TBA"

    Presented by Juergen Berges, University of Heidelberg

    3:30 pm, Large Seminar Room, Bldg. 510

    Tuesday, November 29, 2016, 3:30 pm

    Hosted by: 'Rob Pisarski'

  13. NOV

    30

    Wednesday

    HET/RIKEN Seminars

    "TBA"

    Presented by Luka Leskovec, University of Arizona

    2 pm, Small Seminar Room, Bldg. 510

    Wednesday, November 30, 2016, 2:00 pm

    Hosted by: 'Mattia Bruno'

  14. DEC

    14

    Wednesday

    HET/RIKEN Seminar

    "TBA"

    Presented by Hong Zhang, Ohio State University

    2 pm, Small Seminar Room, Bldg. 510

    Wednesday, December 14, 2016, 2:00 pm

    Hosted by: 'Pier Paolo Giardino'

  1. Nuclear Physics Seminar

    "High-pt Hadron Production in Au+Au and d+Au Collisions at sqrt (s) = 200 GeV"

    Presented by Sasha Milov, Stony Brook University

    Tuesday, July 1, 2003, 11 am
    Small Seminar Room, Bldg. 510

  2. Nuclear Physics Seminar

    "Production of Lambda (1520) at RHIC at sqrt (s) = 200 GeV"

    Presented by Ludovic Gaudichet, Subatech, France

    Tuesday, July 15, 2003, 11 am
    Small Seminar Room, Bldg. 510

  3. Nuclear Physics Seminar

    "Induced Criticality of Non-Order Parameter Fields"

    Presented by Agnes Mocsy, Niels Bohr Institute, Denmark

    Tuesday, July 22, 2003, 11 am
    Small Seminar Room, Bldg. 510

  4. Nuclear Physics Seminar

    "Strangeness Production in Au+Au Collisions at RHIC"

    Presented by Ben Norman, Kent State University

    Tuesday, July 29, 2003, 11 am
    Small Seminar Room, Bldg. 510

  5. Nuclear Physics & RIKEN Theory Seminar

    "Hydrodynamic Afterburner for Color Glass Condensate"

    Presented by Yasushi Nara, University of Arizona

    Friday, August 8, 2003, 2 pm
    Small Seminar Room, Bldg. 510

  6. High-Energy Physics & RIKEN Theory Seminar

    "Strong Interaction Effect on Muon g-2"

    Presented by Masashi Hayakawa, RIKEN/BNL Research Center

    Sunday, August 10, 2003, 1:30 pm
    Small Seminar Room, Bldg. 510

  7. High-Energy Physics & RIKEN Theory Seminar

    "Elitzurs Theorem and the Sign Problem"

    Presented by Kim Splittorff, Stony Brook University

    Wednesday, August 13, 2003, 1:30 pm
    Small Seminar Room, Bldg. 510

  8. Instrumentation Division Seminar

    "Development of Novel Silicon Stripixel Detectors for High energy and Nuclear Physics Experiments"

    Presented by Zheng Li, Instrumentation Division

    Wednesday, September 10, 2003, 2:30 pm
    Large Seminar Room, Bldg. 535

  9. Nuclear Physics Seminar

    "Discovery of Penta Quarks"

    Presented by Prof. Ken-chi Imai, Kyoto University, Japan

    Tuesday, October 14, 2003, 11 am
    Small Seminar Room, Bldg. 510

  10. RIKEN BNL Research Center Workshop

    "Collective Flow and QGP Properties"

    Monday, November 17, 2003, 9 am
    Large Seminar Room, Bldg. 510