Search for New Physics beyond the SM DOE Review 2006 Shufang Su • U. of Arizona

LC Experiments Low energy Precision measurement p - LHC (2007) p LEP Data from sky: WMAP, supernovae, sky survey, … LC Experiments Low energy Precision measurement Tevatron (now) p - LHC (2007) p LEP e- e+ S. Su DOE Review, 2006

Dark Matter Indirect Searches Direct Searches We live in a fascinating time when rich data is / will be available My work focuses on searching for new physics beyond the SM Involve experiments in Nuclear physics Particle physics Astrophysics/Cosmology Dark Matter Indirect Searches Direct Searches S. Su DOE Review, 2006

Students and Postdoc Postdoc Hock-Seng Goh (3rd year) Grad Students Ethan Dolle (4th year) Xinyu Miao (3rd year) Undergrad Students Jessica Goodman S. Su DOE Review, 2006

Dark Matter Studies S. Su DOE Review, 2006

Dark Matter Remarkable agreement Remarkable precision (~10%) S. Su -  » 0.5%  » 0.5% =3% =23% § 4% =73% § 4% Remarkable agreement Remarkable precision (~10%) S. Su DOE Review, 2006

Research and Collaborations - superWIMP Dark Matter J. Feng (UC Irvine), F. Takayama (Cornell) SuperWIMP Cosmology and Collider Physics Jonathan L. Feng, Arvind Rajaraman, Bryan T. Smith, Shufang Su, Fumihiro Takayama, hep-ph/0410178. SuperWIMP Dark Matter in Supergravity with a Gravitino Jonathan L. Feng, Shufang Su, Fumihiro Takayama, hep-ph/0410119. Supergravity with a Gravitino LSP Jonathan L. Feng, Shufang Su, Fumihiro Takayama, Phys.Rev. D70 (2004) 075019. SuperWIMP Gravitino Dark Matter from Slepton and Sneutrino Decays Jonathan L. Feng, Shufang Su, Fumihiro Takayama, Phys.Rev. D70 (2004) 063514. S. Su DOE Review, 2006

Universe cools: n=nEQe-m/T superWIMP Thermal equilibrium  $ ff - WIMP  superWIMP + SM particles FRT hep-ph/0302215, 0306024 Universe cools: n=nEQe-m/T WIMP 104 s  t  108 s Freeze out, n/s » const SWIMP SM superWIMP e.g. Gravitino LSP LKK graviton WIMP neutral charged 106 S. Su DOE Review, 2006

Research and Collaborations - Dark Matter Production at Colliders J. Feng (UC Irvine), F. Takayama (Cornell) Minimum Rates for Dark Matter Production at the Large Hadron Collider and International Linear Collider Jonathan L. Feng, Shufang Su, Fumihiro Takayama, Phys. Rev. Lett. 96, 151802 (2006) S. Su DOE Review, 2006

Dark Matter Production at Colliders - DM f DM f Cross symmetry DM annihilation DM production / 1/h  i Not overclose universe  Efficient annihilation then Efficient production at collider Upper bound on  Lower bound on rates S. Su DOE Review, 2006

SuperWIMP with charged WIMP at LHC - Signal: two isolated charged tracks, large dE/dx ||  2.5,   0.7 S. Su DOE Review, 2006

Research and Collaborations - Dark matter of the left-right twin Higgs model E. Dolle (UA), J. Goodman (U. of Arizona) Dark Matter of the Left-Right Twin Higgs Model E. Dolle, J. Goodman, S. Su, in preparation. 300 400 500 600 700 S. Su DOE Review, 2006

Indirect Searches for New Physics S. Su DOE Review, 2006

Research and Collaborations - Low Energy Precision SUSY A. Kurylov, M. Ramsey-Musolf, Sean Tulin (Caltech) Charged Current Universality Problem and NuTeV Anomaly: IS SUSY to Blame? Andriy Kurylov, Michael Ramsey-Musolf, Shufang Su, AIP Conf.Proc.698 (2004) 188. Probing Supersymmetry with Neutral Current Scattering Experiments Andriy Kurylov, Michael Ramsey-Musolf, Shufang Su, AIP Conf.Proc.698 (2004) 168. Supersymmetric Effects in Parity Violating Deep Inelastic Electron Nucleus Scattering Andriy Kurylov, Michael Ramsey-Musolf, Shufang Su, Phys.Lett.B582:222-228,2004. Probing Supersymmetry with Parity Violating Electron Scattering Andriy Kurylov, Michael Ramsey-Musolf, Shufang Su, Phys.Rev.D68:035008,2003. S. Su DOE Review, 2006

Research and Collaborations - Low Energy Precision SUSY (cont’) A. Kurylov, M. Ramsey-Musolf, Sean Tulin (Caltech) Supersymmetric Effects in Deep Inelastic Neutrino Nucleus Scattering Andriy Kurylov, Michael Ramsey-Musolf, Shufang Su, Nucl.Phys.B667:321-348,2003 . SUSY Effects in Pion Decay Michael Ramsey-Musolf, Shufang Su, Sean Tulin, in preparation. S. Su DOE Review, 2006

Møller Scattering DIS-Parity Z Møller Scattering Purely leptonic e g Z Q-Weak (JLab) Coherent quarks in P Results in ~2009 2(2C1u+C1d) e g Z p n DIS-Parity Isoscaler quark scattering (2C1u-C1d)+Y(2C2u-C2d) e g Z Cs133 Atomic Parity Violation Coherent quarks in entire nucleus Nuclear structure uncertainties -376 C1u – 422 C1d n m W Z + Neutrino Scattering Quark scattering (from nucleus) Weak charged and neutral current difference S. Su DOE Review, 2006

Test of sin2W Running Weak mixing angle sinW g sinW = g’ cosW = e - Weak mixing angle sinW g sinW = g’ cosW = e Jlab Moller QWe Qweak SLAC E158 NuTeV Standard Model Prediction Erler, Kurylov & Ramsey-Musolf, Phys. Rev. D 72, 073003 (2005) Cs APV DIS-parity S. Su DOE Review, 2006

Parity-Violating Electron Scattering RPV 95% CL MSSM loop No SUSY DM Kurylov, Ramsey-Musolf, Su (2003) Future 2.5% Moller 4% Qweak S. Su DOE Review, 2006

Research and Collaborations - Physics report review paper: Low Energy Precision Supersymmetry Michael Ramsey-Musolf, Shufang Su, to appear. Introduction to supersymmetry Renormalization Z-pole precision measurements Neutral current studies Charge current studies Flavor physics, CP violation and baryongenesis Higgs searches S. Su DOE Review, 2006

Research and Collaborations - Precision studies of MSSM M. Ramsey-Musolf, Sean Tulin (Caltech) MSSM Contribution to Precision Observables Michael Ramsey-Musolf, Shufang Su, Sean Tulin, in preparation. Precision Study of SUGRA, GMSB and AMSB A. Dedes (Munich), S. Heinemeyer (CERN), G. Weiglein (IPPP, Durham), X. Miao (UA) The Lightest Higgs Boson of mSUGRA, mGMSB and mAMSB at Present and Future Colliders: Observability and Precision Analyses Dedes, Sven Heinemeyer, X. Miao, Shufang Su, Georg Weiglein,Nucl.Phys.B674:271-305,2003. Distinguish SUSY Breaking Scenario in Precision Studies Sven Heinemeyer, X. Miao, Shufang Su, Georg Weiglein, in preparation. S. Su DOE Review, 2006

Precision Study of SUGRA, GMSB and AMSB - GMSB @ ILC S. Su DOE Review, 2006

Direct Searches for New Physics S. Su DOE Review, 2006

Research and Collaborations - Collider Study of the left-right twin Higgs Model H.S. Goh (UA) Collider Phenomenology of the Left-Right Twin Higgs Model Hock-Seng Goh, Shufang Su, hep-ph/0611015 Collider Signatures of the Left-Right Twin Higgs Model Hock-Seng Goh, Shufang Su, hep-ph/0608330 S. Su DOE Review, 2006

LRTH: Parameters and Spectrum - Model parameters: f1, (f2, y), , M, B,  Determine particle masses and interactions fixed by Higgs VEV = 4f1 or 2f1 M=150 GeV B=50 GeV  = f1/2 fixed by top quark mass S. Su DOE Review, 2006

Heavy Gauge Bosons - Drell-Yan process S. Su DOE Review, 2006

ZH decay - ZH S. Su DOE Review, 2006

Research and collaborations Collider Study of the Left-Right Twin Higgs Model (cont’) Heavy Top Quark of the Left-Right Twin Higgs Model X. Miao, Shufang Su, in preparation. - j W tH  b t l  3 b + 1 j + 1 lepton + missing ET S. Su DOE Review, 2006

Research and collaborations Collider Study of left-right twin Higgs Model (cont’) Identify the Twin Higgs Mechanism at Colliders Shufang Su, in preparation. - S. Su DOE Review, 2006

Research and collaborations - Distinguish New Physics at Colliders Left-Right Twin Higgs Model vs. Little Higgs Models heavy top quark, heavy gauge bosons Left-Right Twin Higgs Model vs. Two-Higgs Doublet Models extra Higgses S. Su DOE Review, 2006

Research and collaborations - Neutralino LSP vs. Sneutrino LSP C. P. Yuan (Michigan State U.) Same signal, different interpretation vs. Can be studied at LHC by S. Su DOE Review, 2006

Research and Collaborations - Propagation of High Energy Charged Slepton M. H. Reno (U. IOWA), I. Sarcevic (UA) Propagation of Supersymmetric Charged Sleptons at High Energies Mary H. Reno, Ina. Sarcevic, Shufang Su, Astropart. Phys. 24 (2005) 107. S. Su DOE Review, 2006

Long Lived Stau     Gravitino LSP Stau NLSP Larger production rate - Gravitino LSP Stau NLSP  earth  ~   earth Msl=250 GeV Mwino=250 GeV Albuquerque, Chacko and Burdman (2003) Larger production rate smaller production rate  = 2.197£ 10-6 sec c=659 meter Larger effective detector volume S. Su DOE Review, 2006

Radiative Energy Loss:  - Crucial to determine the energy loss of the high energy stau as it traverse the earth photonuclear bremstraahlung pair production S. Su DOE Review, 2006

radiative energy loss and stau range - Stau lifetime m=250 GeV m=150 GeV / 1/m / 1/m2 S. Su DOE Review, 2006

Activities Invited plenary talk at subZ workshop - Invited plenary talk at subZ workshop Neutral Current Overview “From Zero to Z0”, May, 2004, Fermilab. Invited plenary talk at Aspen winter conference Gravitino dark matter “The Highest Energy Physics”, February, 2005, Aspen, CO. Colloquium at University of Wisconsin, Madison Dark matter May, 2005, Madison, WI. Invited lecture at Summer Institute 2005 Dark Matters: WIMP and beyond August, 2005, Fujiyoshida, Japan. Invited lecture at CCAST workshop Dark matter and collider physics “LHC and Dark Matter”, Dec, 2005, Beijing, China. Invited talk at Jefferson Lab Hall C workshop Theory overview on neutral current measurements Aug, 2006, Jefferson Lab. S. Su DOE Review, 2006

Organization of conferences/workshops - From Zero to Z0, a workshop on precision electroweak physics May, 2004, Fermilab Flavor physics workshop Summer 2008, Kavli Institute in Beijing S. Su DOE Review, 2006

Future Directions - LHC related physics: understand what data really means QCD issue Simulation tools for new physics and SM background Experimental physics observables/ capabilities … Detector Interplay between particle physics and cosmology Determine dark matter properties at colliders Direct and indirect dark matter detection S. Su DOE Review, 2006