## TATSUYA CHUJO

Vanderbilt University

Department of Physics and Astronomy

Stevenson Center 6301, Station B

Nashville TN 37235, USA

PHONE: +1-615-322-4908

FAX: +1-615-343-7263

<tatsuya.chujo@vanderbilt.edu>

(<chujo@bnl.gov>)

<http://www.phenix.bnl.gov/~chujo>

(Last update: 2004.11.08)

**OBJECTIVE:** To use my scientific skills to study the high energy
particle physics and the relativistic heavy ion physics.

**[EDUCATION:]{.underline}**

Ph. D. University of Tsukuba (Japan), Physics, June 2000.

-   Thesis Advisor: Yasuo Miake.

-   Thesis Topic: Study of Single Particle Spectra and Two Particle
    Correlations in Au+Au Collisions at 4 -- 11 A GeV.

Master University of Tsukuba. Physics, March 1997.

B.S. Tokyo University of Science (Japan), Physics, March 1994.

**[RESERCH EXPERIENCE:]{.underline}**

2004 Feb. 20^th^ -- present

Research Associate, Department of Physics and Astronomy, Vanderbilt
University, TN, USA.

-   PHENIX Time-of-Flight upgrade project.

-   Hadron Physics Working Group co-convenors of PHENIX Collaboration
    (2004 Jul. -- present).

2003 Sep. 16^th^ -- 2004 Feb. 19^th^:

> Contract Researcher, The Institute of Physical and Chemical Research
> (RIKEN), Wako, JAPAN.

2003 Sep. 1^st^ -- Sep. 15^th^:

> Contract Researcher, High Energy Accelerator Research Organization
> (KEK), Tsukuba, JAPAN.

2000 Aug. -- 2003 Aug:

> Research Associate. Physics Department, Brookhaven National
> Laboratory, NY, USA.

-   Analyzed identified charged hadron spectra in Au+Au collisions at
    130 GeV and 200 GeV measured by PHENIX experiment at RHIC.

-   Finalized the identified charged particle spectra analysis, and
    published the results in Physical Review Letter 91, 172301 (2003)
    \[nucl-ex/0305036\], and Physical Review C 69, 034909 (2004)
    \[nucl-ex/0307022\].

-   A Plenary speaker at the 16^th^ International Conference on
    Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2002) on
    behalf of the PHENIX collaboration.

-   PHENIX data production manager (2001 Mar. -- 2002 Nov.)
    Reconstructed all data of Au+Au and proton-proton taken during
    2001-2002 run period.

-   PHENIX Experimental Operational Group member (Representative of
    Time-of-Flight detector subsystem).

-   Software development of PHENIX Time-of-Flight reconstruction
    software.

-   A member of PHENIX Internal Review Committee for papers on neutral
    pion productions in Au+Au (PRL, 91, 072301 (2003), nucl-ex/0304022)
    and proton-proton at 200 GeV (PRL, 91, 241803 (2003),
    hep-ex/0304038.

-   The chair of PHENIX Internal Review Committee for the paper on the
    charged particles and neutral pion spectra in d+Au at 200 GeV
    (nucl-ex/0306021) and published in PRL 91, 072303 (2003).

1995-2000: **Graduate Student.** University of Tsukuba, Japan.

-   Constructed the Time-of-Flight detector for CERN-WA98 and
    RHIC-PHENIX experiments.

-   Designed and constructed the gas Cherenkov beam counter for
    CERN-WA98 experiment.

-   Analyzed identified single particle spectra and HBT two-particle
    correlations in Au+Au collisions at AGS (E866 experiment).

**[COMPUTER SKILLS:]{.underline}**

-   Extensive C++ programming experience.

-   Extensive use of shell scripting to automate data processing.

-   Working knowledge of CVS version control system.

-   Working knowledge of Unix, Linux.

-   Working knowledge of ROOT, HTML and LATEX.

**[PROFESSIONAL MEMBERSHIPS:]{.underline}**

-   1990 -- present The Physical Society of Japan.

**[HONERS:]{.underline}**

2000. University of Tsukuba (Japan):

-   Research Fellowship, Japan Society for the Promotion of Science.

**[RESEARCH ACCOMPLISHMENTS:]{.underline}**

# *Ph.D. Thesis*

Tatsuya Chujo, "Study of Single Particle Spectra and Two Particle
Correlations in Au+Au Collisions at 4 -- 11 A GeV", University of
Tsukuba (Japan), 2000.

# *Selected Publications*

-   The PHENIX Collaboration, "Identified Charged Particle Spectra and
    Yields in Au+Au Collisions at sqrt(s_NN) = 200 GeV", Physical Review
    C 69, 034909 (2004), \[nucl-ex/0307022\].

-   The PHENIX Collaboration, "Scaling properties of proton and
    anti-proton production in sqrt(s_NN) = 200 GeV Au+Au collisions at
    RHIC", PRL 91, 172301 (2003), \[nucl-ex/0305036\].

-   Chujo, T. for the PHENIX Collaboration, "Hadron Production at
    Intermediate p~T~ at RHIC", to be published in J. Phys. G,
    \[nucl-ex/0411010\].

-   Chujo, T. for the PHENIX Collaboration, "Particle Composition at
    High p~T~ in Au+Au Collisions at sqrt(s_NN) = 200 GeV", AIP
    conference proceedings 698: 732-734 (2004), \[nucl-ex/0308016\].

-   Chujo, T. for the PHENIX Collaboration, "Results on Identified
    Charged Hadrons from the PHENIX Experiment at RHIC, Nucl. Phys.
    A721, 273c (2003), \[nucl-ex/0212014\].

-   Chujo, T. for the PHENIX Collaboration, "Results on Identified
    Hadrons from the PHENIX Experiment at RHIC, Nucl. Phys. A715, 151c
    (2003), \[nucl-ex/0209027\].

-   Chujo, T. et al. (PHENIX Collaboration), "PHENIX Central Arm
    Particle I.D. Detectors", Nucl. Instrum. Meth. A499: 508, 2003.

-   Chujo, T. et al. (PHENIX Collaboration), "Event reconstruction in
    the PHENIX central arm spectrometers." Nucl. Instrum. Meth. A482:
    491, 2002.

-   Chujo, T. for the AGS-E802/866 Experiment, "Hadron Production in
    Au+Au Collisions at 4 A GeV from AGS-E866", Prog. Theor. Phys.
    Suppl. 129:173, 1997.

-   Chujo, T. et al. "A gas Cherenkov counter with a timing resolution
    of 30 ps for relativistic heavy ion Experiments", Nucl. Instrum.
    Meth. A383: 409, 1996.

**[CURRENT RESEARCH:]{.underline}**

-   Multi-gap Resistive Plate Chamber (MRPC) R&D for the PHENIX
    Experiment high p~T~ PID upgrade project.

-   Data analysis on identified single particle spectra at RHIC.

-   Study of resonance particle productions in p+p, d+Au and Au+Au
    collisions at RHIC.

**[TALKS GIVEN: (2000-present)]{.underline}**

***2004***

-   "Hadron Production at Intermediate pT at RHIC" **\[invited talk\]**,
    Hot Quarks 2004 (Workshop for young scientists on the physics of
    ultra-relativistic nucleus-nucleus collisions), Taos Valley, NM,
    July 18-24, 2004.

-   "Physics at Intermediate pT as QGP probes" **\[invited talk\]**, JPS
    2004 fall meeting, Kochi University, Japan, Sep. 29, 2004.

-   "PHENIX TOF Upgrade Project" **\[invited talk\]**, CAARI 2004
    (18^th^ International Conference on the Application of Accelerator
    in Research and Industry, Downtown Ft Worth TX, Oct. 10-15, 2004.

-   "First Measurement of Identified Charged Hadron Production at
    sqrt(s_NN) = 62.4 GeV Au+Au in RHIC-PHENIX", DNP 2004 fall meeting,
    Hyatt Regency Hotel, Chicago, IL, Oct. 27-30, 2004.

***2003***

-   "Particle Composition at High Transverse Momentum in Au+Au
    Collisions at sqrt(s_NN) = 200 GeV", CIPANP 2003 (Conference on the
    Intersections of Particle and Nuclear Physics), Grand Hyatt Hotel,
    NY, May 19-24, 2003.

-   "Hot and Dense Matter at RHIC -- from a hadron production viewpoint
    --", Seminar given at Los Alamos National Laboratory, NM, June 25,
    2003.

-   "Identified Charged Particle Spectra and Yields in Au+Au Collisions
    at sqrt(s_NN) = 200 GeV" **\[invited talk\]**, (based on the
    publication nucl-ex/0307022), Nuclear Physics Seminar, BNL, August
    19, 2003.

```{=html}
<!-- -->
```
-   "Hadron Production at High pT and Jet Quenching" **\[invited
    talk\]**, RHIC Symposium at JPS meeting, Miyazaki (Japan), Sep. 9.
    2003.

-   "Hadron Production at RHIC" **\[invited talk\]**, RCNP workshop,
    Osaka Univ., Osaka (Japan), Oct. 27. 2003.

***2002***

-   "Identified Charged pT spectra in Au+Au Collisions at RHIC-PHENIX"
    Spring 2002 JPS meeting at Ritsumeikan Univ., Shiga, Japan, Mar. 25,
    2002.

-   "Overview of PHENIX Results on Baryons and Identified Hadrons"
    **\[invited talk\]**, Baryon Dynamics at RHIC (Riken BNL Research
    Center Workshop), at BNL, NY, Mar. 28, 2002.

-   "Results on Particle Yields from the PHENIX Experiment at RHIC"
    **\[invited talk\]**, the XVI International Conference on
    Ultra-relativistic Nucleus-Nucleus Collisions (Quark Matter 2002),
    at Nantes, France, from July 18 to July 24, 2002.

-   "Results on Charged Particle Spectra from the PHENIX Experiment at
    RHIC", the XVI International Conference on Particles and Nuclei
    (PaNic02), Osaka, Japan, September 30 - October 4, 2002.

***2001***

-   "Identified Charged Single Particle Spectra at RHIC-PHENIX", CNS
    Workshop at Tokyo Univ. (Japan), Feb. 14. 2001.

-   "Hadron Production at RHIC-PHENIX", **\[invited talk\]**, RHIC
    Symposium in JPS meeting at Chuo Univ., Tokyo (Japan), Mar. 27.
    2001.

-   "Results on soft physics: Flow, spectra and flavor composition from
    PHENIX" **\[invited talk\]**, RHIC-INT Workshop at LBNL, CA, Jun. 2.
    2001.

-   "Phi meson production in Au+Au collisions at RHIC", HAWAII 2001,
    First joint meeting of DNP of APS/JPS at Maui, Hawaii, Oct. 21.
    2001.

***2000 ***

-   "Identified Charged Hadron Spectra in Au+Au Collisions at sqrt(s_NN)
    = 130 GeV in the PHENIX Experiment at RHIC", Fall 2000 APS DNP
    meeting, Williamsburg, VA, Oct. 6. 2000.

-   "Time of Flight Detector at RHIC", **\[invited talk\]**, CAARI2000
    at Univ. of North Texas, TX, Nov. 1. 2000.

2000\.

**[REFERENCES:]{.underline}**

Prof. Samuel H. Aronson

Brookhaven National Laboratory,

Physics Department, Building 510A,

Upton, NY 11973-5000, USA

Tel: 631-344-2051

<aronsons@bnl.gov>

Prof. Yasuo Miake

Institute of Physics, University of Tsukuba,

1.  Tennoudai, Tsukuba, Ibaraki 305-8573, Japan

Tel: +81-298-53-4254

<miake@tac.tsukuba.ac.jp>

Prof. Michael J. Tannenbaum

Brookhaven National Laboratory,

Physics Department, Building 510C,

Upton, NY 11973-5000, USA

Tel: 631-344-3722

<mjt@bnl.gov>

Prof. William A. Zajc

Columbia University, Physics Department

New York, NY 10027, USA

Tel: 212-854-8175

<zajc@nevis.columbia.edu>