*Theoretical Elementary Particle Physics*

Born 1946

B.S. M.I.T. (1968)

Ph.D. University of California at Berkeley (1972)

Emeritus Professor of Physics (University of Pennsylvania)

Senior Scientist, Princeton University

Visitor, Institute for Advanced Study

School of Natural Sciences

Einstein Drive

Princeton, NJ 08540

*Phone*: (609) 734-8076

*Email*: pgl@ias.edu

- Editorial Committee,
*Annual Reviews of Nuclear and Particle Science*, 2012-. - Co-convener, Workshop on
*First Two Years of the LHC*, Kavli Institute for Theoretical Physics in China, Beijing, Summer, 2012. - Co-convener, Workshop on
*Strings at the LHC and in the Early Universe*, Kavli Institute for Theoretical Physics, Santa Barbara, Spring, 2010. - Associate Editor,
*Reviews of Modern Physics*, 2007-. - Member, organizing committee for
*International Conference on High Energy Physics*, Philadelphia, 2008 (ICHEP2008). - Member, Organizing Committee,
*String Phenomenology, 2008*, Philadelphia, May, 2008. - Chair, Steering Committee for the LHC Theory Initiative, 2006-.
- Member, HEPAP subpanel on the University Grants Program, 2006-2007.
- LangackerFest, 60th birthday celebration, University of Pennsylvania, 2006
- Henry Primakoff Lecturer, University of Pennsylvania, 2006
- Fermilab Frontier Fellow, 2005
- Member, High Energy Physics Advisory Panel (HEPAP) of the Department of Energy and National Science Foundation (2002-2005).
- Co-organizer, Aspen Winter Conference
*At the Frontiers of Particle Physics*, 2003. - Keck Distinguished Visiting Professor, Institute for Advanced Study, 2001
- Chair, Department of Physics and Astronomy, University of Pennsylvania (1/96-6/01)
- William Smith Term Professor of Physics, University of Pennsylvania (7/93-6/98)
- Fellow, American Physical Society and AAAS
- Divisional Associate Editor, Physical Review Letters (1998-2004)
- Member, Particle Data Group (1998-)
- Co-chair,
*SUSY 97*, Philadelphia (1997) - Co-convener,
*Workshop on Unification: From the Weak Scale to the Planck Scale*, Institute for Theoretical Physics, Santa Barbara (1995) - Editorial Board, Physical Review (1986-88, 1991-93)
- Executive Committee, Division of Particles and Fields of the American Physical Society (1989-1991)
- Scientific Director, Theoretical Advanced Study Institute (TASI) (1990 and 1998)
- Alexander von Humboldt Prize (1988)

- Light Quark Mass Spectrum in Quantum Chromodynamics (with H.
Pagels), Phys. Rev.
**D19**, 2070-2079 (1979). - Magnetic Monopoles in Grand Unified Theories (with S.-Y. Pi),
Phys. Rev. Lett.
**45**, 1-4 (1980). - Grand Unified Theories and Proton Decay, Physics Reports
**72**, 185-385 (1981). - A Comprehensive Analysis of Data Pertaining to the Weak
Neutral Current and the Intermediate Vector Boson Masses (with
U. Amaldi, A. Böhm, L. S. Durkin, A. K. Mann, W. J. Marciano,
A. Sirlin, and H. H. Williams), Phys. Rev.
**D36**, 1385 (1987). -
Unification of Two Fundamental Forces (with A. K. Mann),
Physics Today
**42**, # 12, p. 22 (1989). -
High Precision Electroweak Experiments: A Global Search for
New Physics Beyond the Standard Model (with M. Luo and A. K. Mann),
Rev. Mod. Phys.
**64**, 87 (1992). -
Implications of Precision Electroweak Experiments for
*m*_{t}, rho_{0}, sin^{2}theta_{W}, and Grand Unification (with M. Luo), Phys. Rev.**D44**, 817 (1991). -
*W*and*Z*Physics, in*TeV Physics*, ed. T. Huang*et al.,*(Gordon and Breach, Philadelphia, 1991), p. 53. -
Editor (with M. Cvetic) of
*Testing the Standard Model*(Proceedings of TASI-90), (World, Singapore, 1991). -
Constraints on Additional
*Z*Bosons (with M. Luo), Phys. Rev.**D45**, 278 (1992). -
Uncertainties in Coupling Constant Unification (with N. Polonsky),
Phys. Rev.
**D47**, 4028 (1993), hep-ph/9210235. -
Five Phases of Weak Neutral Current Experiments From the
Perspective of a Theorist,
*Discovery of Weak Neutral Currents: The Weak Interaction Before and After*, ed. A. K. Mann and D. B. Cline, AIP Conference Proceedings 300 (AIP, New York, 1994), p. 289, hep-ph/9305255. -
Astrophysical Solutions are Incompatible with the
Solar Neutrino Data (with S. Bludman and N. Hata), Phys. Rev.
**D49**, 3622 (1994), hep-ph/9306212. -
Editor of
*Precision Tests of the Standard Electroweak Model*, (World, Singapore, 1995), and articles on pp 1, 15, 883. -
The Strong Coupling, Unification, and Recent Data (with N. Polonsky),
Phys. Rev.
**D52**, 3081 (1995), hep-ph/9503214. -
Big Bang Nucleosynthesis in Crisis (with
N. Hata, R. Scherrer, G. Steigman, D. Thomas, T. Walker, and
S. Bludman), Phys. Rev. Lett.
**75**, 3977 (1995), hep-ph/9505319. -
Implications of Abelian Extended Gauge Structures From String Models
(with M. Cvetic), Phys. Rev.
**D54**, 3570 (1996), hep-ph/9511378. -
Phase Transitions and Vacuum Tunneling Into Charge
and Color Breaking Minima in the MSSM (with A. Kusenko and
G. Segre), Phys. Rev.
**D54**, 5824 (1996), hep-ph/9602414. -
Electroweak Breaking and the Mu Problem in Supergravity Models with an
Additional
*U*(1) (with M. Cvetic, D. A. Demir, J. R. Espinosa, and L. Everett), Phys. Rev.**D56**, 2861 (1997), hep-ph/9703317. -
Solutions to Solar Neutrino Anomaly (with N. Hata), Phys. Rev.
**D56**, 6107 (1997), hep-ph/9705339. -
*Z*' Physics and Supersymmetry (with M. Cvetic), in*Perspectives on Supersymmetry*, ed. G. Kane (World, Singapore, 1998), p312, hep-ph/9707451. Revised version in the reprinted edition, 2010. -
Classification of Flat Directions in Perturbative Heterotic
Superstring Vacua with Anomalous
*U*(1) (with G. Cleaver, M. Cvetic, J. R. Espinosa, and L. Everett), Nucl. Phys.**B525**, 3 (1998), hep-th/9711178. - Editor (with M. Cvetic),
*SUSY '97, Proceedings of the Fifth International Conference on Supersymmetries in Physics*, Nucl. Phys.**B**(Proc. Suppl.) 62 (1998) (North Holland, 1998). -
Physics Implications of Flat Directions in Free Fermionic
Superstring Models I:
Mass Spectrum and Couplings (with
G. Cleaver, M. Cvetic, J. R. Espinosa, L. Everett, and J. Wang),
Phys. Rev.
**D59**, 055005 (1999), hep-ph/9807479. -
Physics Implications of Flat Directions in
Free Fermionic Superstring Models II:
Renormalization Group Analysis (with
G. Cleaver, M. Cvetic, J. R. Espinosa, L. Everett, and J. Wang),
Phys. Rev.
**D59**, 115002 (1999), hep-ph/9811355. -
Flavor Changing Effects in
Theories with a Heavy
*Z*' Boson with Family Non-Universal Couplings (with M. Pluemacher), Phys. Rev.**D62**, 013006 (2000), hep-ph/0001204. - Editor,
*Neutrinos in Physics and Astrophysics: From 10*, (Proceedings of TASI-98), (World, Singapore, 2000).^{−33}to 10^{+28}cm -
Implications of gauge unification for
time variation of the fine structure constant
(with G. Segre and M. J. Strassler),
Phys. Lett. B
**528**, 121 (2002), hep-ph/0112233. -
The
*Z*−*Z*' Mass Hierarchy in a Supersymmetric Model with a Secluded*U*(1)' -Breaking Sector (with J. Erler and T. Li), Phys. Rev. D**66**, 015002 (2002), hep-ph/0205001. -
Phenomenology of A Three-Family Standard-like String Model
(with M. Cvetic and G. Shiu), Phys. Rev. D
**66**, 066004 (2002), hep-ph/0205252. -
No-go for detecting CP violation via neutrinoless double beta decay
(with V. Barger, S. L. Glashow, and D. Marfatia),
Phys. Lett. B
**540**, 247 (2002), hep-ph/0205290. -
Primordial nucleosynthesis constraints on
*Z*' properties (with V. Barger and H. S. Lee), Phys. Rev. D**67**, 075009 (2003), hep-ph/0302066. -
Dynamical supersymmetry breaking in
standard-like models with intersecting D6-branes
(with M. Cvetic and J. Wang),
Phys. Rev. D
**68**, 046002 (2003), hep-th/0303208. -
Electroweak baryogenesis in a supersymmetric
*U*(1)' model, (with J. Kang, T. j. Li, and T. Liu), Phys. Rev. Lett.**94**, 061801 (2005), hep-ph/0402086. -
The Higgs sector in a
*U*(1)' extension of the MSSM, (with T. Han and B. McElrath), Phys. Rev. D**70**, 115006 (2004), hep-ph/0405244. -
D6-brane splitting on type IIA orientifolds,
(with M. Cvetic, T. J. Li, and T. Liu),
Nucl. Phys. B
**709**, 241 (2005), hep-th/0407178. -
Neutrino physics (theory),
*ICHEP 2004*, ed. H. Chen et al., (World Singapore, 2005), p198, hep-ph/0411116. -
Neutrino masses in supersymmetric
*SU*(3)_{C}×*SU*(2)_{L}×*U*(1)_{Y}×*U*(1)' models, (with J. H. Kang and T. J. Li,), Phys. Rev. D**71**, 015012 (2005), hep-ph/0411404. -
*Z*' discovery limits for supersymmetric*E*(6) models, (with J. Kang), Phys. Rev. D**71**, 035014 (2005), hep-ph/0412190. -
Toward realistic intersecting D-brane models,
(with R. Blumenhagen, M. Cvetic, and G. Shiu),
ARNPS
**55**, 71 (2005), hep-th/0502005. -
Massive neutrinos and (heterotic) string theory,
(with J. Giedt, G. L. Kane, and B. D. Nelson),
Phys. Rev. D
**71**, 115013 (2005), hep-th/0502032. -
Elementary Particles in Physics (with S. Gasiorowicz),
in
*Encyclopedia of Physics, Third Edition*, ed. R. C. Lerner and G. L. Trigg, (Wiley-VCH, 2005), p671. -
Higgs sector in extensions of the MSSM,
(with V. Barger, H. S. Lee and G. Shaughnessy),
Phys. Rev. D
**73**, 115010 (2006), hep-ph/0603247. -
Neutralino signatures of the singlet extended MSSM
(with V. Barger and G. Shaughnessy),
Phys. Lett. B
**644**, 361 (2007), hep-ph/0609068. -
Collider signatures of singlet extended Higgs sectors
(with V. Barger and G. Shaughnessy),
Phys. Rev. D
**75**, 055013 (2007), hep-ph/0611239. -
TeV physics and the Planck scale
(with V. Barger and G. Shaughnessy),
New J. Phys.
**9**, 333 (2007), hep-ph/0702001. -
A T-odd observable sensitive to CP violating phases in squark decay
(with G. Paz, L. T. Wang and I. Yavin),
JHEP
**0707**, 055 (2007), hep-ph/0702068. -
LHC Phenomenology of an Extended Standard Model with a Real Scalar
Singlet,
(with V. Barger, M. McCaskey, M. J. Ramsey-Musolf and G. Shaughnessy),
Phys. Rev. D
**77**, 035005 (2008), 0706.4311 [hep-ph]. -
Theory and Phenomenology of Exotic Isosinglet Quarks and Squarks,
(with J. Kang and B. D. Nelson),
Phys. Rev. D
**77**, 035003 (2008), 0708.2701 [hep-ph]. -
*Z*' -mediated Supersymmetry Breaking, (with G. Paz, L. T. Wang and I. Yavin), Phys. Rev. Lett.**100**, 041802 (2008), 0710.1632 [hep-ph]. -
Dirac Neutrino Masses from Generalized Supersymmetry Breaking,
(with D. A. Demir and L. L. Everett),
Phys. Rev. Lett.
**100**, 091804 (2008), 0712.1341 [hep-ph]. -
The Physics of Heavy
*Z*' Gauge Bosons, Rev. Mod. Phys.**81**, 1199 (2008), 0801.1345 [hep-ph]. -
Aspects of
*Z*' -mediated Supersymmetry Breaking, (with G. Paz, L. T. Wang and I. Yavin), Phys. Rev. D**77**, 085033 (2008), 0801.3693 [hep-ph]. -
D-Instanton Generated Dirac Neutrino Masses,
(with M. Cvetic),
Phys. Rev. D
**78**, 066012 (2008), 0803.2876 [hep-th]. -
Electroweak Physics, (with J. Erler),
Acta Phys. Polon. B
**39**, 2595 (2008), 0807.3023 [hep-ph]. -
Complex Singlet Extension of the Standard Model,
(with V. Barger, M. McCaskey, M. Ramsey-Musolf and G. Shaughnessy),
Phys. Rev. D
**79**, 015018 (2009), 0811.0393 [hep-ph]. - Scalar Potentials and Accidental Symmetries in Supersymmetric
*U*(1)' Models, (with G. Paz and I. Yavin), Phys. Lett. B**671**, 245 (2009), 0811.1196 [hep-ph]. -
Introduction to the Standard Model and Electroweak Physics,
*Proceedings of TASI-08, The Dawn of the LHC Era*, ed. Tao Han (World, Singapore, 2010), p 3, 0901.0241 [hep-ph]. -
Family Non-universal
*U*(1)' Gauge Symmetries and*b*− >*s*Transitions, (with V. Barger, L. Everett, J. Jiang, T. Liu and C. Wagner), Phys. Rev. D**80**, 055008 (2009), 0902.4507 [hep-ph]. -
Improved Constraints on
*Z*' Bosons from Electroweak Precision Data, (with J. Erler, S. Munir and E. R. Pena), JHEP**0908**, 017 (2009), 0906.2435 [hep-ph]. -
*b*− >*s*Transitions in Family-dependent*U*(1)' Models, (with V. Barger, L. Everett, J. Jiang, T. Liu and C. Wagner), JHEP**0912**, 048 (2009), 0906.3745 [hep-ph]. -
Six-lepton
*Z*' resonance at the LHC, (with V. Barger and H. S. Lee), Phys. Rev. Lett.**103**, 251802 (2009), 0909.2641 [hep-ph]. -
The Physics of New
*U*(1)' Gauge Bosons,*Proceedings of SUSY09*, AIP Conf. Proc.**1200**, 55 (2010), 0909.3260 [hep-ph]. -
Combining Anomaly and
*Z*' Mediation of Supersymmetry Breaking, (with J. de Blas, G. Paz and L. T. Wang), JHEP**1001**, 037 (2010), 0911.1996 [hep-ph]. -
Electroweak Baryogenesis, CDM and Anomaly-free Supersymmetric
*U*(1)' Models, (with J. Kang,T. Li and T. Liu), JHEP**1104**, 097 (2011), 0911.2939 [hep-ph]. -
*Z*' Physics at the LHC, 0911.4294 [hep-ph], in*Hunt for New Physics at the Large Hadron Collider*, ed. P. Nath and B. Nelson, Nucl. Phys. Proc. Suppl.**200-202**, 185 (2010), 1001.2693 [hep-ph]. -
Phenomenological Implications of Supersymmetric Family Non-universal
*U*(1)' Models, (with L. L. Everett, J. Jiang, and T. Liu), Phys. Rev. D**82**, 094024 (2010), 0911.5349 [hep-ph]. -
*The Standard Model and Beyond*(CRC Press, New York, 2009). -
The Weinberg Operator and a Lower String Scale in Orientifold Compactifications,
(with M. Cvetic, J. Halverson, and R. Richter),
JHEP
**1010**, 094 (2010), 1001.3148 [hep-th]. -
Precision Constraints on Extra Fermion Generations,
(with J. Erler), Phys. Rev. Lett.
**105**, 031801 (2010), 1003.3211 [hep-ph]. -
Singlet Extensions of the MSSM in the Quiver Landscape,
(with M. Cvetic and J. Halverson), JHEP
**1009**, 076 (2010), 1006.3341 [hep-th]. -
*Z*' Bosons at Colliders: a Bayesian Viewpoint, (with J. Erler, S. Munir, and E. Rojas), JHEP**1111**, 076 (2011), 1103.2659 [hep-ph]. -
Impact of extra particles on indirect
*Z*' limits, (with F. del Aguila, J. de Blas, and M. Perez-Victoria), Phys. Rev. D**84**, 015015 (2011), 1104.5512 [hep-ph]. -
A Higgsophilic s-channel
*Z*' and the CDF*W*+2*J*Anomaly, (with J. Fan, D. Krohn, and I. Yavin), Phys. Rev. D**84**, 105012 (2011), 1106.1682 [hep-ph]. -
Requiem for an FCHAMP? Fractionally CHArged, Massive Particle,
(with G. Steigman),
Phys. Rev. D
**84**, 065040 (2011), 1107.3131 [hep-ph]. -
Implications of String Constraints for Exotic Matter and
*Z*' s Beyond the Standard Model, (with M. Cvetic and J. Halverson), JHEP**1111**, 058 (2011), 1108.5187 [hep-ph]. -
Neutrino Masses from the Top Down,
Ann. Rev. Nucl. Part. Sci.
**62**, 215 (2012), 1112.5992 [hep-ph]. -
Electroweak Model and Constraints on New Physics (with J. Erler),
in 2012 WWW update for 2012 edition of
*Review of Particle Properties*, (URL: http://pdg.lbl.gov/). Print edition: J. Beringer*et al.*[Particle Data Group], Phys. Rev. D**86**, 010001 (2012). -
Light Sterile Neutrinos and Short Baseline Neutrino Oscillation Anomalies,
(with J. Fan), JHEP
**1204**, 083 (2012), 1201.6662 [hep-ph]. -
Light Sterile Neutrinos: A White Paper,
(K. Abazajian
*et al.*), 1204.5379 [hep-ph]. -
Review Of Particle Physics
( J. Beringer
*et al.*[Particle Data Group]), Phys. Rev. D**86**, 010001 (2012), (URL: http://pdg.lbl.gov/). -
Ultraviolet Completions of Axigluon Models and Their Phenomenological Consequences,
(with M. Cvetic and J. Halverson),
JHEP
**1211**, 064 (2012), 1209.2741 [hep-ph]. -
Grand unification, review article on Scholarpedia
**7**, 11419 (2012). - Exploring Quantum Physics at the ILC, (with A. Freitas, K. Hagiwara, S. Heinemeyer, K. Moenig, M. Tanabashi and G. W. Wilson), 1307.3962 [hep-ph].
- Diagnosis of a New Neutral Gauge Boson at the LHC and ILC for Snowmass 2013, (with T. Han, Z. Liu and L. -T. Wang), 1308.2738 [hep-ph].

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