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Toyoko J. Orimoto

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Toyoko J. Orimoto
Curriculum Vitae
Toyoko J. Orimoto
Mailing Address
Phone Number
Email Addresses
Physics Department/111 DA
Northeastern University
360 Huntington Avenue
Boston, MA 02115, USA
+1 617 413 4271
[email protected], [email protected]
Education
• Dec 2006: Ph.D., Physics, University of California, Berkeley
• May 2002: M.A., Physics, University of California, Berkeley
• May 2000: B.A., Physics, University of California, Berkeley
Employment
• Oct 2012 - present: Assistant Professor of Physics, Northeastern University, Boston, MA
• Oct 2009 - Sep 2012: CERN Fellow, CERN, Geneva, Switzerland
• Sep 2006 - Sep 2009: Robert A. Millikan Postdoctoral Fellow, California Institute of Technology, Pasadena, CA
• May 2001 - Aug 2006: Graduate Student Researcher, University of California, Berkeley &
Lawrence Berkeley National Laboratory, Berkeley, CA
Awards & Fellowships
• July 2013 - present: US Department of Energy Early Career Award
• Oct 2009 - Sep 2012: CERN COFUND Fellowship
• May 2009: CMS Achievement Award, for decisive leadership in ECAL prompt feedback group
• Sep 2006 - Sep 2009: Robert A. Millikan Postdoctoral Fellowship in Experimental Physics,
California Institute of Technology
• 2000 - 2002 & 2005: UC Berkeley Chancellor’s Opportunity Graduate Fellowship
• 2000: National Science Foundation Graduate Fellowship (Honorable Mention)
• 1996 - 2000: UC Berkeley Chancellor’s Undergraduate Scholarship
• 1996 - 2002 & 2005: Japanese American Women Alumnae of UC Berkeley Scholarship
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Research and Professional Experience
Assistant Professor, Northeastern University, Oct 2012 - present:
The Compact Muon Solenoid (CMS) Experiment is a general purpose particle detector
experiment at the Large Hadron Collider (LHC) at CERN. The LHC is exploring a new energy
frontier and the most exciting physics is in the myriad of possible new discoveries. As a member of
the CMS collaboration, my main interest has been the study of electromagnetic objects (electrons
and photons) as a critical ingredient in the discovery of the Higgs boson, and as a window into
physics beyond the Standard Model (SM).
In conjunction with my work in physics, our group at Northeastern has taken a leading role in
the operation of the CMS electromagnetic calorimeter (ECAL), in particular in the ECAL dataacquisition system. In addition, I serve as the chair of the ECAL Editorial Board. Important
leadership roles are highlighted below.
Most recently, graduate student Rafael Teixeira de Lima and I have contributed to the first CMS
search for exotic decays of the Higgs boson in the low energy monophoton channel. In addition,
Mr. Teixeira de Lima has also contributed to the search for Higgs decay to Zγ, and is now pursuing
the search for di-Higgs production in the bbγγ channel and the BSM interpretations of this final
state. I am also working with postdoctoral researcher Andrea Massironi, who is the convener of the
CMS Higgs to W W group. Our group’s work in these parallel Higgs channels relies critically on
the excellent performance of the CMS ECAL. To this end, both graduate student and postdoctoral
researcher are devoted to the calibration and alignment of the ECAL, as well as the optimization
and operation of the ECAL data acquisition system. In addition, I advise undergraduate co-op
students who are based at CERN for 6 month periods.
• US LHC Users Association Executive Committee Member, 2015-present: The US
LHC Users Association (USLUA) provides a forum for discussion of the US participation in the
LHC research program and aims to help the US LHC community work effectively with their
colleagues at CERN while in the US, and to adapt to work at CERN and to living abroad.
• ECAL Institution Board Member, 2012-present: As the leader of the Northeastern
ECAL effort, I serve on the ECAL Institution Board.
• ECAL Editorial Board Chair, 2013-present: As chair of the ECAL Editorial Board, I
help to oversee the presentation of all results from the ECAL group. The ECAL Editorial Board
reviews the abstracts, presentations, and proceedings which are submitted to conferences. In
addition, we review all ECAL articles before they are submitted for publication.
• ECAL Editorial Board Member, 2013-2012.
• Dataset Definition Team contact for CMS Higgs Physics Analysis Group, 20122013. One of my responsibilities in the H → γγ group was to work with the trigger team to
help define the datasets for analysis.
• Contact for CMS SUSY Razor diphoton search, 2011-2012: I helped spearhead the
search for gauge-mediated supersymmetry in channels with diphoton, jets and missing transverse energy using a novel (“razor”) method pioneered by the Caltech CMS group.
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CERN Fellow, CERN, Oct 2009 - Sep 2012:
As a CERN fellow, my top priority was the search for extra dimensions, in particular exploring
diphotons as a decay channel for Randall-Sundrum (RS) graviton excitations. I led this search for
many years, also acting as the contact for a number of important components to this analysis. I
also contributed to the H → γγ analysis, applying my ECAL expertise to detector performance
related issues crucial to its early discovery. Moreover, I continued my leadership in ECAL, serving
as the contact or coordinator for a number of activities.
• Leader of CMS Exotica high-mass diphoton resonance search, 2009-2012: For several
years, I led a small team of several postdocs and students in the search for RS gravitons in the
diphoton channel. Our work on RS gravitons produced the first high mass diphoton resonance
search results with CMS.
• CMS Physics Dataset Working Group member, 2010-2011: As a member of the
PDWG, I helped define, manage, monitor, and develop the evolution of the physics datasets
for CMS, with an emphasis on the demands of the rapidly changing luminosity.
• Photon contact for CMS Exotica Physics Analysis Group, 2011
• Contact for CMS e-γ Physics Object Group γ misidentification measurement, 2011
• Contact for CMS QCD Photons working group data-MC validation task, 2010
• ECAL contact for CMS QCD Photons working group, 2010
• Coordinator for CMS ECAL/e-γ supercluster commissioning, 2010
• ECAL representative for CMS Physics Validation Team, 2009-2010
• Editor of CMS PAS: EXO-09-009, EGM-10-001, EXO-10-019, EXO-11-037
Robert A. Millikan Postdoctoral Researcher, Caltech, Sep 2006 - Sep 2009:
Prior to LHC collisions, I participated in numerous MC photon studies in the Exotica and QCD
groups, and was awarded leadership roles for my work. To complement my studies photon physics,
I dedicated myself to the commissioning and operation of the ECAL.
• Coordinator for the CMS ECAL Prompt Analysis Group, 2008-2010: I served as the
first coordinator of the ECAL prompt feedback group, which acts as a link between the dataacquisition and commissioning teams and the offline analysis groups, providing immediate
feedback on data taken to ensure the smooth operation of the detector. For my leadership
efforts in the ECAL prompt feedback group, I was awarded a CMS Achievement Award.
• ECAL Laser monitoring expert, 2006-2009: The ECAL laser monitoring system provides
corrections for radiation-induced crystal transparency changes, which are vital for studies, like
the H → γγ analysis, which require good energy resolution for early discovery.
• Co-convener of the CMS QCD Photons working group, 2008-2009: As co-convener
of the photons working group of the QCD physics analysis group, I helped to prepare our
photon-related analyses for first LHC collisions.
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Graduate Student Researcher, UC Berkeley and LBNL, June 2001 – Aug 2006:
The BaBar Experiment was a particle detector experiment at the Stanford Linear Accelerator
Center. For my dissertation, I studied rare hadronic B decays related to the CP violation parameter
γ. The rarity of these decays and the precision with which they had to be measured pushed the
level of sophistication of our analysis techniques.
In addition to my work on BaBar, I studied beam position monitors (BPMs) with the NanoBPM
Experiment, an R&D project for the International Linear Collider. In collaboration with scientists
from SLAC, KEK, and several other institutions, we worked towards developing nanometer resolution BPMs. Additionally, I participated in an experiment to understand the feasibility of BPMs to
be used as part of an energy spectrometer for the ILC.
Other Professional Highlights
• 2014 - present: Deputy Representative to Collaboration Board for the CMS Experiment
• Nov 2015: Organizer for 2015 USLUA Annual Meeting at Fermilab
• Aug 2015: Session convener for Detector R&D session at the APS Division of Particles and
Fields Meeting (DPF2015), Ann Arbor, MI
• 2014: Observer member to the US LHC Users Association Executive Committee
• July 2012: Session convener for Standard Model and Higgs Physics at the 36th International
Conference on High Energy Physics (ICHEP12), Melbourne, Australia
• Jan 2012: Instructor at CMS Data Analysis School, Pisa, Italy
• Jun 2010: Session convener at 12th Topical Seminar on Innovative Particle and Radiation
Detectors (IPRD10), Siena, Italy
• Jul 2009: Member of CMS ECAL Award Committee
Conference Presentations and Seminars
1. Search for New Physics in the Low MET Monophoton Channel with the CMS Detector Invited
seminar presented at the University of Massachusetts, Amherst, MA, Oct 2015.
2. Search for New Physics in the Low MET Monophoton Channel with the CMS Detector Parallel
talk presented at the APS Division of Particles and Fields Meeting 2015, Ann Arbor, MI, Aug
2015.
3. Search for New Physics in the Low MET Monophoton Channel with the CMS Detector Invited
seminar presented at the University of Chicago, Chicago, IL, Mar 2015.
4. Search for New Physics in the Low MET Monophoton Channel with the CMS Detector Parallel
talk presented at the Phenomenology Symposium 2015, Pittsburgh, PA, May 2015.
5. Mono- and Di-photon Searches at the LHC.
Invited parallel talk presented at Astroparticle Physics 2014, Amsterdam, NL, June 2014.
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6. Search for Higgs Boson Decays to Z+gamma with the CMS Detector.
Seminar presented at Boston University, Boston, MA, USA, Nov 2013.
7. Hunting for the Higgs with the CMS Detector.
Invited colloquium presented at Drexel University, Philadelphia, PA, USA, Mar 2013.
8. Diphotons with the CMS Detector: Probes for Discovery at the LHC.
Invited seminar presented at the University of Texas, Austin, USA, Mar 2011.
9. The Search for the Higgs in the Two Photon Decay Channel with the CMS Detector.
Invited colloquium presented at the University of Texas, Austin, USA, Mar 2011.
10. Diphotons with the CMS Detector: Probes for Discovery at the LHC.
Invited colloquium presented at the University of Texas, Dallas, USA, Mar 2011.
11. Photons with the CMS Detector: A Probe for Discovery at the LHC.
Invited seminar presented at the University of Oregon, Eugene, OR, USA, Mar 2011.
12. The Search for the Higgs in the Diphoton Channel with the CMS Detector.
Invited colloquium presented at the University of Oregon, Eugene, OR, USA, Mar 2011.
13. Photons with the CMS Detector: A Probe for Discovery at the LHC.
Invited seminar presented at the Massachusetts Institute of Technology, Cambridge, MA, USA,
Mar 2011.
14. Photons with the CMS Detector: A Probe for Discovery at the LHC.
Invited colloquium presented at Northeastern University, Boston, MA, USA, Mar 2011.
15. Other Exotic Signatures.
Talk presented for the CMS Collaboration at the Implications of LHC results for TeV-scale
physics: WG3 meeting, CERN, Geneva, Switzerland, Dec 2011.
16. High Mass Resonance Searches with the CMS Experiment.
Talk presented for the CMS Collaboration at the Hadron Collider Physics Symposium 2011,
Paris, France, Nov 2011.
17. Extra Dimensions at the LHC: Searches with Diphotons with the CMS Detector.
Invited colloquium presented at University of Alabama, Tuscaloosa, AL, USA, Mar 2011.
18. Diphotons with the CMS Detector: Early Searches with 7 TeV LHC Data.
Invited seminar presented at University of California, Davis, CA, USA, Mar 2011.
19. Diphotons with the CMS Detector: Early Searches with 7 TeV LHC Data.
Invited seminar presented at New York University, New York, NY, USA, Mar 2011.
20. Diphotons with the CMS Detector: Early Searches with 7 TeV LHC Data.
Invited seminar presented at Northwestern University, Evanston, IL, USA, Mar 2011.
21. Status of the CMS Experiment.
Talk presented for the CMS Collaboration at Symmetries and Spin 2010 (SPIN-Praha-2010),
Prague, Czech Republic, July 2010.
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22. Commissioning of the CMS Electromagnetic Calorimeter with First Collisions.
Talk presented for the CMS Collaboration at the 12th Topical Seminar on Innovative Particle
and Radiation Detectors (IPRD10), Siena, Italy, June 2010.
23. The CMS Experiment: First Collisions and Plans for Early Data.
Invited Research Progress Meeting seminar at Lawrence Berkeley National Laboratory, Berkeley, CA, USA, Feb 2010.
24. The CMS Electromagnetic Calorimeter: Construction, Commissioning and Calibration.
Talk presented for the CMS ECAL Group at the 2009 Europhysics Conference on High Energy
Physics (EPS-HEP), Krakow, Poland, July 2009.
25. Photon Physics with the CMS Detector.
Invited seminar at the University of Minnesota, Minneapolis, MN, USA, Feb 2009.
26. First beam at LHC as seen by CMS.
Talk presented for the CMS Collaboration at the Lake Louise Winter Institute, Lake Louise,
Canada, Feb 2009.
27. The Commissioning of the CMS Electromagnetic Calorimeter Light Monitoring System.
Poster presented for the CMS ECAL Group at the IEEE Nuclear Science Symposium and
Medical Imaging Conference, Dresden, Germany, Oct 2008.
28. The CMS ECAL Laser Monitoring System.
Poster presented for the CMS ECAL Group at the 10th ICATPP Conference on Astroparticle,
Particle, Space Physics, Detectors and Medical Physics Applications, Villa Olmo, Como, Italy,
Oct 2007.
29. Nanometer Resolution Beam Position Monitors for the ILC.
Talk presented for the NanoBPM Collaboration at the American Physics Society Division of
Particles and Fields Joint Meeting of Pacific Region Particle Physics Community, Honolulu,
Hawaii, Oct 2006.
30. New Measurements of the Angle γ from the Babar Experiment.
Invited talk presented for the Babar Collaboration at the International Workshop on Discoveries in Flavour Physics at e+ e− Colliders, Frascati, Italy, Feb 2006.
31. The NanoBPM Project: Nanometer resolution beam position monitors for the International
Linear Collider.
Invited seminar at the California Institute of Technology, Pasadena, CA, USA, Jan 2006.
32. Study of the Decay B 0 → Ds+ ρ− at the Babar Detector.
Talk presented for the Babar Collaboration at the April Meeting of American Physics Society,
Tampa, FL, April 2005.
33. Study of the Decays B 0 → Ds(∗)+ π − .
Talk presented for the Babar Collaboration at DPF2002 , the Meeting of the Division of Particles and Fields of the American Physics Society, Williamsburg, VA, May 2002.
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Conference Proceedings
1. T. Orimoto [CMS Collaboration], “Search for new physics in the low MET monophoton channel
with the CMS Detector,” arXiv:1511.00337 [hep-ex]. Proceedings prepared for the 2015 Meeting of the American Physical Society Division of Particles and Fields, Ann Arbor, Michigan,
August 4-8, 2015.
2. T. J. Orimoto, for the CMS Collaboration, “Searches for high mass resonances with the CMS
detector,” Proceedings prepared for Hadron Collider Physics Symposium 2011, Paris, France,
Nov 2011. EPJ Web Conf. 28, 09010 (2012)
3. T. J. Orimoto, on behalf of the CMS Collaboration, “First CMS results with LHC beam,”
Proceedings for Lake Louise Winter Institute, Lake Louise, Canada, Feb 2009. arXiv:0905.4814
[hep-ex].
4. T. J. Orimoto (CMS Electromagnetic Calorimeter Collaboration), “The CMS electromagnetic
calorimeter: Construction, commissioning and calibration,” PoS EPS-HEP2009, 129 (2009).
5. T. Orimoto, on behalf of the CMS ECAL Group, “The CMS ECAL laser monitoring system,” Published in Astroparticle, Particle and Space Physics, Detectors and Medical Physics
Applications: Proceedings of the 10th Conference.
6. T. Orimoto for the Babar Collaboration, “New measurements of the angle γ from the BaBar
experiment,” SLAC-PUB-11783. Published in Frascati Phys. Ser. 41, 361 (2006).
7. Babar Collaboration, “A search for the rare decay B 0 → Ds+ ρ− ,” SLAC-PUB-10602, BABARCONF-04-005. Contributed to the 32nd International Conference on High-Energy Physics
(ICHEP04), Beijing, China, 16-22 Aug 2004. Preprint hep-ex/0408029.
8. Babar Collaboration, “A study of the rare decays B 0 → Ds(∗)+ π − and B 0 → Ds(∗)− K + ,”
SLAC-PUB-9302, BABAR-CONF-02-034. Contributed to the 31st International Conference
on High Energy Physics (ICHEP02), Amsterdam, The Netherlands, 24-31 Jul 2002. Preprint
hep-ex/020753.
9. Babar Collaboration, “Evidence for the b → u transition B 0 → Ds+ π − and a search for B 0 →
Ds∗+ π − ,” SLAC-PUB-9231, BABAR-CONF-02-08. Contributed to Flavor Physics and CP
Violation (FPCP), Philadelphia, Pennsylvania, 16-18 May 2002. Preprint hep-ex/0205102.
Select Publications & Reports
For a full list of publications, please see: http://inspirehep.net/search?ln=en&p=find+a+
orimoto&of=hb&action_search=Search
1. CMS Collaboration, “Search for exotic decays of a Higgs boson into undetectable particles and
photons, Phys. Lett. B 753, 363 (2016)
√
2. CMS Collaboration, “Search for supersymmetry with photons in pp collisions at s = 8 TeV,”
Phys. Rev. D 92, no. 7, 072006 (2015).
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3. CMS Collaboration, “Performance of Photon
√ Reconstruction and Identification with the CMS
Detector in Proton-Proton Collisions at s = 8 TeV,” JINST 10, no. 08, P08010 (2015).
4. CMS Collaboration, “Performance of√electron reconstruction and selection with the CMS detector in proton-proton collisions at s = 8 TeV, JINST 10 (2015) P06005.
5. CMS Collaboration√“Energy calibration and resolution of the CMS electromagnetic calorimeter
in pp collisions at s = 7 TeV, JINST 8 (2013) P09009.
√
6. CMS Collaboration “Search for High-Mass Diphoton Resonances in pp Collisions at s = 8
TeV with the CMS Detector, CMS-PAS-EXO-12-045.
7. CMS Collaboration, “Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC,” Phys. Lett. B 716, 30 (2012).
8. CMS Collaboration,
√ “Search for the standard model Higgs boson decaying into two photons
in pp collisions at s = 7 TeV,” Phys. Lett. B 710, 403 (2012).
9. CMS Collaboration, “Search for signatures of extra dimensions in the diphoton mass spectrum
at the Large Hadron Collider,” Phys. Rev. Lett. 108, 111801 (2012).
10. CMS Collaboration, “Search for Extra Dimensions in the Diphoton Final State at the Large
Hadron Collider,” CMS PAS EXO-11-038, 2011, 12pp.
11. A. Lyapin, H. J. Schreiber, M. Viti, C. Adolphsen, R. Arnold, S. Boogert, G. Boorman,
M. V. Chistiakova et al., “Results from a prototype chicane-based energy spectrometer for a
linear collider,” JINST 6, P02002 (2011). [arXiv:1011.0337 [physics.acc-ph]].
12. CMS Collaboration, “Search for Randall-Sundrum Gravitons Decaying into Two Photons in 7
TeV p-p Collisions with the CMS Detector,” CMS PAS EXO-10-019, 2011, 11pp.
13. CMS Collaboration, “Performance and Operation of the CMS Electromagnetic Calorimeter,”
JINST 5, T03010 (2010). [arXiv:0910.3423 [physics.ins-det]].
14. CMS Collaboration, “Search for Randall-Sundrum Gravitons in the Diphoton Final State,”
CMS PAS EXO-09-009, 2009, 10pp.
15. USCMS Collaboration and CMS ECAL/HCAL Collaborations, “The CMS Barrel Calorimeter
Response To Particle Beams From 2-Gev/c To 350-Gev/c,” Eur. Phys. J. C 60, 359 (2009).
16. CMS Electromagnetic Calorimeter Group, “Intercalibration of the barrel electromagnetic calorimeter of the CMS experiment at start-up,” JINST 3, P10007 (2008).
17. CMS Collaboration, “The CMS experiment at the CERN LHC,” JINST 3, S08004 (2008).
18. M. Slater et al. “Cavity BPM system tests for the ILC energy spectrometer,” Nucl. Instrum.
Meth. A592, 201 (2008).
19. J. Brau et al. “ILC Reference Design Report Volume 1 - Executive Summary,” (ILC Collaboration), arXiv:0712.1950 [physics.acc-pp].
20. S. Walston et al. “Performance of a High Resolution Cavity Beam Position Monitor System,”
Nucl. Instrum. Meth. A578, 1 (2007).
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21. Babar Collaboration, “Observation of Decays B 0 → Ds(∗)+ π − and B 0 → Ds(∗)− K + ,” Phys. Rev.
Lett. 98, 081801 (2007).
22. T. J. Orimoto, “Study of rare B-meson decays related to the CP observable sin(2β + γ) at the
BaBar experiment,” UMI-32-54013, 2006. 223pp. Ph.D. Thesis.
23. Babar Collaboration, “A Study of the Rare Decays B 0 → Ds(∗)+ π − and B 0 → Ds(∗)− K + ,” Phys.
Rev. Lett. 90, 181803 (2003).
Teaching and Mentoring Experience
• Sep 2013 – present: Teaching undergraduate physics courses at Northeastern University.
• Sep 2013 – present: Advising Society of Physics Students at Northeastern University.
• Sep 2006 – present: Supervising of numerous undergraduate and graduate students working
on CMS detector and analysis projects.
• Feb 2005 – Aug 2006: Assisted in supervision of four undergraduate students working on
BaBar analysis at LBNL/UC Berkeley.
• Nov 2003 – Aug 2006: Mentored several undergraduate women in physics through the
Society of Women in the Physical Sciences at UC Berkeley.
• Nov 2002 – Aug 2003: Tutored several students in electricity and magnetism, mechanics,
and optics.
• Jan 2001 – May 2004: Taught discussion sections for various undergraduate physics courses
at UC Berkeley, including honors introduction to electricity and magnetism, introduction to
particle physics, and optics and modern physics.
Outreach Activities
• The Music of the Higgs Boson guest lecture at Berklee College of Music, Feb 2014.
• Symmetry magazine ”Physicist to Follow” on Twitter, Jan 2014.
• Adopt-A-Physicist, Nov 2012.
• Lecture at TEDxUNIGE, “Empowering the Limitless Mind”, Geneva, Switzerland, Nov 2012.
• Outreach lectures at the Anderson Middle School, New York, NY, Dec 2010, 2011.
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