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Jim Alexander

Professor, Department of Physics Director, Laboratory for Elementary-Particle Physics Cornell University Ithaca, New York, USA 14853-5001 +1-607-255-5259 Jim.Alexander@cornell.edu

JimA pic for webpage.jpg




Professional history

B.A., 1976, Carleton College.
M.S., 1979, University of Chicago.
PhD., 1984, University of Chicago.
Research Associate, Stanford Linear Accelerator Center, 1984-1988.
Assistant Professor, Cornell University, 1988-1993;
Associate Professor, Cornell University, 1993-1998;
Professor, Cornell University, 1998-present;
Director of Graduate Studies, Physics Department, Cornell University, 2001-2006.
Presidential Young Investigator, 1990-1996.
Visiting Foreign Scholar, KEK, Japan, 1997-1998.
Fellow, American Physical Society, 1999.
Director, Laboratory for Elementary-Particle Physics, 2006-present.

Professional Service

HEPAP 1999-2001
FNAL PAC 2001-2005 (ch, 2004-5)
SLAC EPAC 1997-2000
Numerous "Lehman Reviews", FNAL Director's Reviews etc, 1994-2000
NSF Particle Astrophysics Review Panel, 2005
DOE Committee of Visitors, 2007
DOE Dark Energy Review Panel, 2007
Particle Physics Project Prioritization Panel (P5) 2005-2008
Jefferson Laboratory, GlueX Review Panel (ch) 2004
KEK International Vertex Detector Review Panel, 1997

Research Interests

Elementary Particle Physics
Physics beyond the Standard Model
CMS: the Compact Muon Solenoid
Instrumentation for detection of elementary particles.
Large Hadron Collider
International Linear Collider

Present and Former Graduate Students


Year Name Thesis Current Position

2016? Nathan Mirman Parameter measurements of New Particles 1st year graduate student

2014? Nicholas Eggert Mass Determination of New Particles with Underconstrained Kinematics 3rd year graduate student

2011 Xin Shi Hadronic decays of D mesons (CLEO) Postdoc, National Taiwan University -- At CERN.

2008 Dan Hertz D -> mu nu, untagged measurement. Research Associate, Neurobiology, University of Maryland

2005 Mike Weinberger Neutrino Spectrum in D semileptonic Decays Texas AM University, CMS postdoc.

2004 Gregg Thayer Search for B -> (K+, Ks, K*+, K*0) nu nubar SLAC - GLAST/Fermi

2003 Alan Magerkurth Rare B Decays in CLEO II and CLEO III University of Michigan, Research Associate - D0

2000 Pablo Hopman Search for B -> tau nu Lincoln Labs, MIT, Group Leader

2000 Peter Gaidarev Exclusive Rare B Decays to Two Light Pseudoscalar Mesons Postscript (6.2 MB)

Oracle Corporation

1998 Abi Soffer First Observation of B- -> D0K- Professor, Tel Aviv University

1998 Curt Ward Search for B -> baryon anti-baryon decays High Res. Lithography Div., Intel Corporation

1996 Chris Jones B -> K* gamma Fermilab Computing Division

1995 Frank Wuerthwein First Observations of Rare charmless hadronic B Decays Professor, University of California, San Diego / CDF




Representative papers, conference contributions, and seminars:

Rare B Decays


A Search for B ---> tau nu
Phys.Rev.Lett.86:2950-2954,2001
hep-ex/0007057

Observation of B → K±π0 and B → K0π0 and Evidence for B → π+π−
Phys. Rev. Lett. 85, 515 (2000)
TOPCITE = 100+

Study of charmless hadronic B meson decays to pseudoscalar vector final states
Phys.Rev.Lett.85:2881-2885,2000
hep-ex/0006008
TOPCITE = 100+

Measurement of charge asymmetries in charmless hadronic in b meson decays
Phys.Rev.Lett.85:525-529,2000
hep-ex/0001009
TOPCITE = 100+

Search for exclusive rare baryonic decays of B mesons
Phys.Rev.D59:111101,1999
e-Print: hep-ex/9810043

Study of charmless hadronic B decays into the final states K pi, pi pi, and K K, with the first observation of B ---> pi+ pi- and B ---> K0 pi0.
hep-ex/9908039

First observation of the Cabibbo suppressed decay B+ --> anti-D0 K+
Phys.Rev.Lett.80:5493-5497,1998. e-Print: hep-ex/9802023

Observation of exclusive two-body B decays to kaons and pions
Phys.Rev.Lett.80:3456-3460,1998.
hep-ex/9711010
TOPCITE = 100+

Search for exclusive charmless hadronic B decays
Phys.Rev.D53:1039-1050,1996
hep-ex/9508004
TOPCITE = 100+

Observation of B0 decay to two charmless mesons
Phys.Rev.Lett.71:3922-3926,1993.
TOPCITE = 50+

Silicon


Status of the CLEO III silicon tracker. E. von Torne et al. 2003. 5pp. Prepared for 11th International Workshop on Vertex Detectors (Vertex 2002), Kona, Kailua, Hawaii, 3-8 Nov 2002. Published in Nucl.Instrum.Meth.A511:11-15,2003.

The CLEO III silicon vertex detector. R. Kass et al. 2003. Prepared for 10th International Workshop on Vertex Detectors (Vertex 2001), Brunnen, Switzerland, 23-28 Sep 2001. Published in Nucl.Instrum.Meth.A501:32-38,2003.

Design and initial performance of the CLEO III silicon tracker. E. von Torne et al. 2001. Prepared for 9th International Workshop on Vertex Detectors (Vertex 2000), Homestead, Michigan, 10-15 Sep 2000. Published in Nucl.Instrum.Meth.A473:17-25,2001.

Design, performance and status of the CLEO III silicon detector. J. Fast et al. 1999. Prepared for 7th International Workshop on Vertex Detectors (VERTEX 98), Santorini Island, Greece, 28 Sep - 4 Oct 1998. Published in Nucl.Instrum.Meth.A435:9-15,1999.

The CLEO-III silicon tracker. P. Skubic et al. 1998. Given at 6th International Workshop on Vertex Detectors (VERTEX 97), Mangaratiba, Brazil, 31 Aug - 5 Sep 1997. Published in Nucl.Instrum.Meth.A418:40-51,1998.

The CLEO-III silicon tracker. I. Shipsey et al. 1997. Prepared for 5th International Workshop on Vertex Detector (Vertex 96), Chia, Italy, 16-21 Jun 1996. Published in Nucl.Instrum.Meth.A386:37-45,1997.

Radiation-induced surface leakage currents in silicon microstrip detectors. A.D. Foland, J.P. Alexander, P.I. Hopman, P.C. Kim, C.W. Ward, (Cornell U., LNS) . 1996. Prepared for IEEE 1995 Nuclear Science Symposium (NSS) and Medical Imaging Conference (MIC), San Francisco, California, 21-28 Oct 1995. Published in IEEE Trans.Nucl.Sci.43:1746-1750,1996.

Optimization of silicon microstrip detector design for CLEO-III. P.I. Hopman, J.P. Alexander, A.D. Foland, P.C. Kim, C.W. Ward, (Cornell U., LNS) . 1996. Given at 2nd International Hiroshima Symposium on the Development and Application of Semiconductor Tracking Detectors, Hiroshima, Japan, 10-13 Oct 1995. Published in Nucl.Instrum.Meth.A383:98-103,1996.

Low noise electronics for the CLEO-III silicon detector. H. Kagan et al. 1996. Given at 2nd International Hiroshima Symposium on the Development and Application of Semiconductor Tracking Detectors, Hiroshima, Japan, 10-13 Oct 1995. Published in Nucl.Instrum.Meth.A383:189-192,1996.

The design and performance of the silicon detectors for CLEO-III. C.W. Ward et al. 1997. Given at IEEE 1996 Nuclear Science Symposium (NSS) and Medical Imaging Conference (MIC), Anaheim, CA, 3-9 Nov 1996. Published in IEEE Trans.Nucl.Sci.44:606-609,1997.

Studies of radiation damage to CAMEX64 preamplifiers exposed to gamma-rays at the Cornell High Energy Synchrotron Source. J.P. Alexander et al. Oct 1992. Prepared for IEEE 1992 Nuclear Science Symposium (NSS) and Medical Imaging Conference (MIC), Orlando, Florida, 26-31 Oct 1992. Published in Orlando 1992, Nuclear science and medical imaging, vol. 2 797-799

The BELLE silicon vertex detector. By BELLE Collaboration (G. Alimonti et al.). KEK-PREPRINT-2000-34, Jun 2000. 9pp. Prepared for 7th International Conference on Instrumentation for Colliding Beam Physics (INSTR99), Hamamatsu, Japan, 15-19 Nov 1999. Published in Nucl.Instrum.Meth.A453:71-77,2000.

Fluid Turbulence


Fluid particle accelerations in fully developed turbulence A. La Porta, Greg A. Voth, Alice M. Crawford, Jim Alexander, Eberhard Bodenschatz Nature 409, 1017-1019 (22 February 2001) doi:10.1038/35059027 129 citations

Fluid particle accelerations in fully developed turbulence A. Voth, Alice M. Crawford, Jim Alexander, and Eberhard ... Voth, GA, Satyanarayan, K. Arxiv preprint physics/0011017, 2000 Cited by 225

Measurement of particle accelerations in fully developed turbulence Journal of Fluid Mechanics, 2002 - Cambridge Univ Press GREG A. VOTH, A. LA PORTA, ALICE M. CRAWFORD, JIM ALEXANDER AND EBERHARD BODENSCHATZ Cited by 114

A silicon strip detector system for high resolution particle tracking in turbulence Greg A. Voth, Arthur La Porta, Alice M. Crawford, Eberhard Bodenschatz, Curt Ward, Jim Alexander. [Review of Scientific Instruments 72, 4348 (2001)]. Cited by 14

ILC-related


Testing cosmology at the ILC. A. Birkedal, K. Matchev H, (Florida U.) , J. Alexander, K. Ecklund, L. Fields, R.C. Gray, D. Hertz, C.D. Jones, J. Pivarski, (Cornell U., Phys. Dept.) . UFIFT-HEP-05-11, LCWS-2005-0708, Jul 2005. 6pp. Based on talks given by A. Birkedal at 2005 International Linear Collider Workshop (LCWS 2005), Stanford, California, 18-22 Mar 2005. In the Proceedings of 2005 International Linear Collider Workshop (LCWS 2005), Stanford, California, 18-22 Mar 2005, pp 0708. e-Print: hep-ph/0507214 12 cites

Measuring mass and cross section parameters at a focus point region. R. Gray, J. Alexander, K.M. Ecklund, L. Fields, D. Hertz, C.D. Jones, J. Pivarski, (Cornell U., Phys. Dept.) , A. Birkedal, K. Matchev H, (Florida U.) . CLNS-05-1924, LCWS-2005-0711, Jul 2005. 6pp. Invited talk at 2005 International Linear Collider Workshop (LCWS 2005), Stanford, California, 18-22 Mar 2005. In the Proceedings of 2005 International Linear Collider Workshop (LCWS 2005), Stanford, California, 18-22 Mar 2005, pp 0711. e-Print: hep-ex/0507008 11 cites

Searches For Nonminimal Higgs Bosons From A Virtual Z Decaying Into A Muon Pair At PEP. Sachio Komamiya et al. SLAC-PUB-4771, LBL-26186, Jan 1989. 27pp. Published in Phys.Rev.D40:721,1989.

CesrTA-related items:

Plans for Utilizing the Cornell Electron Storage Ring as a Test Accelerator for ILC Damping Ring Research and Development. D.H. Rice et al. PAC07-MOOAKI01, Jun 2007. In the Proceedings of Particle Accelerator Conference (PAC 07), Albuquerque, New Mexico, 25-29 Jun 2007, pp 42.

X-ray Monitor Based on Coded-aperture Imaging for KEKB Upgrade and ILC Damping Ring. J.W. Flanagan, H. Fukuma, S. Hiramatsu, H. Ikeda, K.I. Kanazawa, T. Mitsuhashi, J. Urakawa, (KEK, Tsukuba) , J.P. Alexander, (Cornell U., CLASSE) , M.A. Palmer, (Cornell U., LEPP) , Gary Sim Varner, (Hawaii U.) . EPAC08-TUOCM02, Jun 24, 2008. 3pp. In the Proceedings of 11th European Particle Accelerator Conference (EPAC 08), Magazzini del Cotone, Genoa, Italy, 23-27 Jun 2008, pp TUOCM02.

X-Ray Beam Size Monitor Upgrade for CesrTA PAC09 contribution TH5RFP026

CesrTA X-Ray Beam Size Monitor First Results PAC09 contribution ID: TH5RFP027.

ERL Workshop 2008 - Jim Alexander

CesrTA 2008 Workshop - Jim Alexander

TIPP09 - Flanagan/Palmer

ILC Workshop 08 November 17th 2008 "Xray Beam Size Monitor Update" - Walter Hopkins

Proceedings of EPAC08, Genoa, Italy TUOCM02 X-RAY MONITOR BASED ON CODED-APERTURE IMAGING FOR KEKB UPGRADE AND ILC DAMPING RING (Flanagan)

CMS


The CMS experiment at the CERN LHC. By CMS Collaboration (R. Adolphi et al.). 2008. 361pp. Published in JINST 0803:S08004,2008, JINST 3:S08004,2008.

CMS physics: Technical design report. By CMS Collaboration (G.L. Bayatian et al.). CERN-LHCC-2006-001, CMS-TDR-008-1, 2006. 521pp.

CMS technical design report, volume II: Physics performance. By CMS Collaboration (G.L. Bayatian et al.). CERN-LHCC-2006-021, CMS-TDR-008-2, 2007. 585pp. Published in J.Phys.G34:995-1579,2007.

Other


Observation of the dynamic beta effect at CESR with CLEO. D. Cinabro et al. SLAC-PUB-9769, EPS-356, CLNS-97-1496, CLEO-CONF-97-11, Jul 1997. 9 e-Print: physics/9707001

Second-generation B factories at the Upsilon(4S). James P. Alexander, (Cornell U., LNS) . 2000. Prepared for 7th International Conference on Instrumentation for Colliding Beam Physics (INSTR99), Hamamatsu, Japan, 15-19 Nov 1999. Published in Nucl.Instrum.Meth.A453:32-36,2000.

Mark II Z0 physics


Initial Measurements of Z Boson Resonance Parameters in e+ e- Annihilation. G.S. Abrams et al. SLAC-PUB-5037, LBL-27518, Aug 1989. 14pp. Published in Phys.Rev.Lett.63:724,1989. TOPCITE = 100+

First Measurements Of Hadronic Decays Of The Z Boson. By MARK-II Collaboration (G.S. Abrams et al.). SLAC-PUB-5045, LBL-27557, CALT-68-1605, Jul 1989. 12pp. Published in Phys.Rev.Lett.63:1558,1989.

Radiative Corrections To The Z0 Resonance. James P. Alexander, Giovanni Bonvicini, Persis S. Drell, R. Frey, (LBL, Berkeley & Michigan U. & SLAC) . SLAC-PUB-4376, UM-HE-87-18, LBL-23819, Aug 1987. 49pp. Published in Phys.Rev.D37:56-70,1988. TOPCITE = 50+

Heavy Flavor Resonances And Qed Radiative Corrections. James P. Alexander, Giovanni Bonvicini, Persis S. Drell, R. Frey, V. Luth, (LBL, Berkeley & Michigan U. & SLAC) . SLAC-PUB-4501, LBL-25008, Jan 1988. 38pp. Published in Nucl.Phys.B320:45,1989. Also in Nashville Conf.1987:119 (QCD161:I41:1987) (Presented by Bonvicini in proceedings)

Prototype Results Of A High Resolution Vertex Drift Chamber For The Mark-II SLC Upgrade Detector. James P. Alexander et al. SLAC-PUB-3889, LBL-21158, Feb 1986. 22pp. Presented at Wire Chamber Conf., Vienna, Austria, Feb 25-28, 1986. Published in Nucl.Instrum.Meth.A252:350-356,1986. Also in Wire Chamber Conf.1986:350 (or see above page in: Nucl.Instr.Meth.A252,1986)

The Mark-II Vertex Drift Chamber. James P. Alexander et al. SLAC-PUB-4852, LBL-26990, Mar 1989. 15pp. Presented at Wire Chamber Conf., Vienna, Austria, Feb 13-17, 1989. Published in Nucl.Instrum.Meth.A283:519-527,1989. Also in Vienna Wire Chamber 1989:519-527

The Mark-II Detector For The SLC. G.S. Abrams et al. SLAC-PUB-4558, LBL-26671, Mar 1989. 91pp. Published in Nucl.Instrum.Meth.A281:55,1989. TOPCITE = 50+

Thesis Experiment


Longitudinal Photon Polarization In Muon Pair Production At High X(F). J.P. Alexander et al. 1986. Published in Phys.Rev.D34:315-317,1986.

Measurement Of Muon Pair Production Near X(F) = 1. K.J. Anderson et al. 1984. IN LEIPZIG 1984, PROCEEDINGS, HIGH ENERGY PHYSICS, VOL. 1, 279-280.

Higher twist effects in the reaction pi- N ---> mu+ mu- X at 253-GeV/c. J.G. Heinrich et al. 1991. Published in Phys.Rev.D44:1909-1932,1991.

Experimental Study of Muon Pairs Produced by 252-GeV Pions on Tungsten. J.S. Conway et al. 1989. Published in Phys.Rev.D39:92-122,1989. TOPCITE = 100+

Measurement Of The Ratio Of Sea To Valence Quarks In The Nucleon. J.G. Heinrich et al. 1989. Published in Phys.Rev.Lett.63:356-359,1989.

Upper Limits On The Decay D0 ---> Mu+ Mu- And On D0 Anti-D0 Mixing. C. Biino et al. FERMILAB-PUB-85-189-E, DOE-ER-3072-27, 1985. Published in Phys.Rev.Lett.56:1027-1030,1986. TOPCITE = 50+

An Apparatus To Measure The Structure Of The Pion. C. Biino et al. DOE-ER-03072-22, Sep 1985. 56pp. Published in Nucl.Instrum.Meth.A243:323-347,1986.

Status Of Experiment 615 At Fermilab: Production Of Muon Pairs In The Forward Direction. W.C. Louis et al. 1982. In Batavia 1982, Proceedings, Drell-yan Workshop, 271-277.

Talks & seminars


Rare decays of bottom, charm, and strange quarks. J.P. Alexander, (Cornell U., LEPP) . Oct 2002. 7pp. Prepared for 1st International Workshop on Frontier Science: Charm, Beauty, and CP, Frascati, Rome, Italy, 6-11 Oct 2002. Published in Frascati 2002, Charm, beauty and CP 179-185

Prospects for leptonic B decays in Upsilon(4S) experiments with very large data samples. J.P. Alexander, (Cornell U., LNS) . Feb 2001. Prepared for 4th International Conference on B Physics and CP Violation (BCP 4), Ago Town, Mie Prefecture, Japan, 19-23 Feb 2001. Published in Ise-Shima 2001, B physics and CP violation 118-119

Second-generation B factories at the Upsilon(4S). James P. Alexander, (Cornell U., LNS) . 2000. Prepared for 7th International Conference on Instrumentation for Colliding Beam Physics (INSTR99), Hamamatsu, Japan, 15-19 Nov 1999. Published in Nucl.Instrum.Meth.A453:32-36,2000.

Heavy quark decay. J.P. Alexander, (Cornell U., LNS) . 1998. Invited Plenary Talk for 29th International Conference on High-Energy Physics (ICHEP 98), Vancouver, British Columbia, Canada, 23-29 Jul 1998. In Vancouver 1998, High energy physics, vol. 1 129-142.

Measurement of charmless B decay branching ratios at CLEO. James P. Alexander, (Cornell U., LNS) , B.H. Behrens, (Colorado U.) . Mar 1997. Prepared for 2nd International Conference on B Physics and CP Violation (BCONF 97), Honolulu, HI, 24-28 Mar 1997. In Honolulu 1997, B physics and CP violation 184-203.

Recent results in B physics at e+ e- colliders. James P. Alexander, (Cornell U., LNS) . 1992. Given at International Worskhop on B Factories: Accelerators and Experiments, Tsukuba, Japan, 17-20 Nov 1992. In Tsukuba 1992, B-factories 50-58.

Other Conf Talks:

Focus Point Phenomenology ILC Snowmass talk 2005
Rare B Measurements at CLEO Taiwan, B Physics Workshop 1998
Searches for Direct CP Violation in B Decay B Physics and CP Violation, Taipei 1999
Recent Results from CLEO LaThuile 1991
IEEE 1990, 1994
Vienna Wire Chamber Conf 1986

Seminars:

Rare B Physics at CLEO Argonne National Laboratory, 2001
Recent Results in Rare B Decays Brookhaven National Laboratory, 1999
Recent Results in Rare B Decays University of Chicago, 1997
Three lectures on Rare B physics, KEK 1998
Recent Results from CLEO: Rare B National Taiwan University, 1998
Physics in Rare B Decays University of Oregon colloquium 1996
Rare B Decays UCSB colloquium 1994
Beam Tests of Silicon Strip Detectors SUNY Stony Brook, HEP seminar 1992
B Decays at CLEO University of Michigan, 1992
Particle Physics with Heavy Quarks Carleton College, 1989