Snowmass '96 Light Higgs Working Group Home Page

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This working group will focus on three areas of future collider physics: precision electroweak physics, the search for weakly-coupled Higgs bosons, and the determination of Higgs properties. The measurement of precision electroweak observables at future colliders would extend the programs at present day colliders, which have tested the Standard Model to one part in a thousand. By carrying out this program at higher energy, one can test new aspects of the theory, particularly those associated with W bosons and top quarks. The search for weakly coupled Higgs bosons is the first step toward discovering the mechanism which breaks the electroweak symmetry. Once the Higgs boson (or an extended Higgs sector) is discovered, it will be crucial to measure many Higgs observables in order to probe the underlying dynamics of electroweak symmetry breaking.

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Howard E. Haber, U.C. Santa Cruz haber@scipp.ucsc.edu
Tao Han, U.C. Davis than@ucdhep.ucdavis.edu
Frank Merritt, Univ. of Chicago merritt@uchep.uchicago.edu
John Womersley, Fermilab womersley@d0sf27.fnal.gov

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Click on any subgroup topic below for an outline of possible questions to be addressed at the Snowmass workshop.

• Precision Electroweak Physics
  • Ulrich Baur, SUNY Buffalo baur@ubhep.physics.buffalo.edu
  • Marcel Demarteau, Fermilab demarteau@d0phy1.fnal.gov
  • Morris Swartz, SLAC morris@slac.stanford.edu
• Higgs Boson Discoveries
  • Chung Kao, Univ. of Rochester Kao@urhep.pas.rochester.edu
  • Peter Rowson, SLAC rowson@slac.stanford.edu
  • Ren-yuan Zhu, Cal Tech zhu@cithe502.cithep.caltech.edu
• Higgs Boson Properties
  • John F. Gunion, U.C. Davis jfgucd@ucdhep.ucdavis.edu
  • Richard Van Kooten, Univ. of Indiana rickv@paoli.physics.indiana.edu
  • Luc Poggioli, CERN L.Poggioli@cern.ch

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We have assembled a team of electroweak physics conveners who will provide expertise on specific topics relevant to our working group activities. Click on the physics topics below for an outline of possible questions to be addressed at the Snowmass workshop.

1. Precision W/Z Physics
   • Young-Kee Kim, LBL ykkim@fnald.fnal.gov
   • Peter Rowson, SLAC rowson@slac.stanford.edu
2. Standard Model Top Physics
   • G.P. Yeh, Fermilab gpyeh@fnal.gov
3. Precision Electroweak Computations
   • Jens Erler, U.C. Santa Cruz erler@scipp.ucsc.edu
4. Higgs Bosons in the Minimal Supersymmetric Standard Model
   • Marcela Carena, CERN mcarena@vxcern.cern.ch
   • Damien Pierce, SLAC pierce@slac.stanford.edu
   • Carlos Wagner, CERN cwagner@vxcern.cern.ch
5. Multi-Higgs Interactions
   • Abdel Djouadi, Karlsruhe Univ. djouadi@vxdesy.desy.de
   • Micheal Berger, Univ. of Indiana berger@gluon.physics.indiana.edu
6. Higgs Bosons in Non-Minimal Supersymmetric Models
   • Stephen King, Southampton Univ. sfk@hep.ph.soton.ac.uk
7. Exotic Higgs Bosons
   • Roberto Vega, SMU vega@mail.physics.smu.edu
8. Anonalous Higgs Couplings
   • Robert Szalapski, KEK robs@theory.kek.jp
9. CP-Violating Higgs Interactions
   • Xiao-Gang He, Univ. of Melbourne hexg@dirac.ph.unimelb.edu.au

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5. Schedule of Talks

The Light Higgs Working group conducted a series of talks and working group meetings during the Snowmass workshop:

• Introductory Talks
• Subgroup Meetings
  • Precision Electroweak subgroup schedule
  • Higgs Discovery and Properties subgroups schedule
• Full Working Group Meetings

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For a list of Snowmass projects and contributing working group participants, click on one of the links below:

• Precision electroweak physics at future colliders
• Discovery of Higgs bosons at future colliders
• Higgs boson searches at the NLC
• Weakly coupled Higgs boson properties

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The Working Group Final Reports consist of approximately ninety pages and summarize the work of the Light Higgs Working Group. The reports consist of an overall working group summary and reports from the three working subgroups. The Higgs Discovery and Properties subgroups have contributed one joint summary. These reports are now complete and have been submitted to the Snowmass Proceedings. Postscript versions of the manuscripts can be downloaded from the links below.

• Light Higgs Working Group Summary Report (completed)

Click here for a pdf version of the Working Group Summary Report.
contacts: Howard Haber or Tao Han.
• Higgs Boson Discovery and Properties (completed)

contact: Jack Gunion
• Precision Electroweak Physics at Future Collider Experiments (completed)

contacts: Ulrich Baur or Marcel Demarteau.

The Working Group Final Reports now appear on the Los Alamos archives and in the SPIRES database:

1. WEAKLY COUPLED HIGGS BOSONS AND PRECISION ELECTROWEAK PHYSICS.
By Howard E. Haber (UC, Santa Cruz), Tao Han (UC, Davis), Frank S. Merritt (Chicago U.), John Womersley (Fermilab), U. Baur (SUNY, Buffalo), M. Demarteau (Fermilab), C. Kao (Wisconsin U., Madison), P.C. Rowson (SLAC), J.F. Gunion (UC, Davis), R. Van Kooten (Indiana U.), L. Poggioli (CERN). SCIPP-97-03, Jun 1996. 18pp. Presented at 1996 DPF / DPB Summer Study on New Directions for High-Energy Physics (Snowmass 96), Snowmass, CO, 25 Jun - 12 Jul 1996.
e-Print Archive: hep-ph/9703391

References | Keywords | Citation Search

Abstract and Postscript from Los Alamos (or from France or Italy or U.K.)

Conference Info

2. HIGGS BOSON DISCOVERY AND PROPERTIES.
By J.F. Gunion (UC, Davis), L. Poggioli (CERN), R. Van Kooten (Indiana U.), C. Kao (Wisconsin U., Madison), P. Rowson (SLAC). UCD-97-5, Jun 1996. 47pp. Presented at 1996 DPF / DPB Summer Study on New Directions for High-Energy Physics (Snowmass 96), Snowmass, CO, 25 Jun - 12 Jul 1996.
e-Print Archive: hep-ph/9703330

References | Keywords | Citation Search

Abstract and Postscript from Los Alamos (or from France or Italy or U.K.)

Conference Info

3. PRECISION ELECTROWEAK PHYSICS AT FUTURE COLLIDER EXPERIMENTS.
By U. Baur (SUNY, Buffalo), M. Demarteau (Fermilab). FERMILAB-CONF-96-423, Jun 1996. 17pp. Presented at 1996 DPF / DPB Summer Study on New Directions for High-energy Physics (Snowmass 96), Snowmass, CO, 25 Jun - 12 Jul 1996.
e-Print Archive: hep-ph/9611334

References | Keywords | Citation Search

Abstract and Postscript from Los Alamos (or from France or Italy or U.K.)

Fermilab Library Server

Conference Info

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1. WEAKLY COUPLED HIGGS BOSONS
By J.F. Gunion (UC, Davis), A. Stange (Brookhaven), S. Willenbrock (Illinois U., Urbana). UCD-95-28, Dec 1995. 130pp.
e-Print Archive: hep-ph/9602238

References

Citation_Search

Abstract and postscript from Los Alamos e-Print server

(and link to Trieste e-Print mirror)

This paper is a contributing chapter to Electroweak Symmetry Breaking and New Physics at the TeV Scale, edited by T.L. Barklow, S. Dawson, H.E. Haber, and J.L. Siegrist (World Scientific, Singapore, 1996). It presents a very complete and up-to-date survey of weakly coupled Higgs phenomenology. The authors review the search for the standard Higgs boson, the Higgs bosons of the supersymmetric standard model, and Higgs bosons from a variety of other models at present and future colliders.

A postscript version of this chapter (which updates the preprinted version) can be found by clicking here (this is 5 MB file).

2. PHYSICS AND TECHNOLOGY OF THE NEXT LINEAR COLLIDER: A REPORT SUBMITTED TO SNOWMASS '96
By NLC ZDR Design Group and the NLC Physics Working Group (S. Kuhlman et al.). SLAC-R-0485, Jun 1996. 197pp.
e-Print Archive: hep-ex/9605011

Abstract and postscript from Los Alamos e-Print server

(and link to Trieste e-Print mirror)

Postscript_Version from a server

3. HIGGS BOSON PHYSICS IN THE S CHANNEL AT MU+ MU- COLLIDERS
By V. Barger (Wisconsin U., Madison), M.S. Berger (Indiana U.), J.F. Gunion, T. Han (UC, Davis). UCD-96-6, Jan 1996. 87pp.
e-Print Archive: hep-ph/9602415

Abstract and postscript from Los Alamos e-Print server

(and link to Trieste e-Print mirror)

4. FUTURE ELECTROWEAK PHYSICS AT THE FERMILAB TEVATRON: REPORT OF THE TEV-2000 STUDY GROUP
By TeV-2000 Study Group (D. Amidei et al.). FERMILAB-PUB-96-082, Apr 1996. 227pp.

Postscript from Fermilab Library

Postscript from Fermilab Library (figures)

The two chapters of this report most relevant to this working group are cited below.

5. INTERMEDIATE VECTOR BOSON PHYSICS
conveners: U. Baur (SUNY, Buffalo), M. Demarteau (Fermilab), S. Errede (Illinois U., Urbana), Dec 1995. 58pp.

This is Chapter 4 of the TeV-2000 Report. A postscript version of this chapter can be found by clicking here (this is a 2 MB file).

6. LIGHT HIGGS PHYSICS
conveners: U. Heintz (Fermilab), S. Kuhlmann (Argonne), S. Willenbrock (Illinois U., Urbana), Apr 1996. 49pp.

This is Chapter 5 of the TeV-2000 Report. A postscript version of this chapter can be found by clicking here (this is a 2.5 MB file).

7. ATLAS TECHNICAL DESIGN PROPOSAL
By the ATLAS Collaboration, CERN/LHCC/94-43, Dec 1994. 271pp.

Chapter 11 (Physics) (a gzipped ps file) contains details on the proposed Higgs seach (Standard Model and MSSM) at LHC by the ATLAS detector collaboration.

8. CMS TECHNICAL DESIGN PROPOSAL
By the CMS Collaboration, CERN/LHCC/94-38, Dec 1994. 268pp.

Chapter 12 (Physics Performance) (a gzipped ps file) contains details on the proposed Higgs seach (Standard Model and MSSM) at LHC by the CMS detector collaboration.

9. PRECISION TESTS OF THE STANDARD ELECTROWEAK MODEL
Edited by Paul Langacker, (World Scientific, Singapore, 1995). 1008pp.
(Directions in High Energy Physics, v. 14)

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