WHAT'S NEW

6 March 00 : New CDF paper
``Search for New Particles Decaying to top-antitop in proton-antiproton collisions at sqrt(s) = 1.8 TeV"
hep-ex/0003005
3 March 00 : New H1 paper
``Search for Compositeness, Leptoquarks and Large Extra Dimensions in eq Contact Interactions at HERA"
hep-ex/0003002, DESY-00-27
14 February 00 : New ZEUS paper
``Search for Resonances Decaying to e^+ jet in e^+ p Interactions at HERA"
hep-ex/0002038, DESY-00-23
9 December 99 : New CDF paper
``Search for Scalar Top Quark Production in p-pbar Collisions at 1.8 TeV"
hep-ex/9912018
25 October 99 : New CDF paper
``Search for Scalar Top and Scalar Bottom Quarks in $p\bar{p}$ collisions at $\sqrt{s}=1.8$ TeV"
hep-ex/9910049
20 October 99 : New D0 paper
``Search for Second Generation Leptoquark Pairs in pbar-p Collisions at sqrt(s) = 1.8 TeV"
hep-ex/9910040
29 September 99: Talk given at the DESY THEORY WORKSHOP,
Sept.29 - Oct.1, 1999, DESY
News from HERA experiments, E. Perez
30 August 99: New CDF paper
``Search for R-parity Violating Supersymmetry using Like-Sign Dielectrons in \ppbar Collisions at $\sqrt{s} = 1.8$ TeV"
hep-ex/9908063
24 August 99: New H1 paper
``Measurement of Neutral and Charged Current Cross-Sections in Positron-Proton Collisions at Large Momentum Transfer"
hep-ex/9908059 (DESY-99-107)
15 July 99: New ZEUS paper
``W Production and the Search for Events with an Isolated High-Energy Lepton and Missing Transverse Momentum at HERA"
DESY-99-054 (hep-ex/9907023)
15-22 July 99 : Contributed papers, EPS'99 (Tampere):
- H1 Contributed papers
  - Search for Contact Interactions at HERA, Abstract 157f, (e+ 94-97 data, DIS99 results reinterpreted in terms of quark radius)
  - A Search for Leptoquark Bosons and Lepton Flavor Violation in Positron-Proton Collisions at HERA, Abstract 157c (DESY-99-081)
  - Search for events with an isolated high energy lepton and missing transverse momentum at HERA, Abstract 157s
  - Test of the Standard Model in high E_T jet production at HERA, Abstract 157u
  - Measurement of Neutral and Charged Current Cross-Sections in Positron-Proton Collisions at Large Momentum Transfer at HERA, Abstract 157a, (94-97 e+ data, 37 pb-1)
  - Measurement of the charged and neutral current cross sections at HERA , Abstract 157b, (98-99 e- data, 15 pb-1)
- ZEUS Contributed papers
  - Search for Excited Fermions in ep Collisions at HERA (e+ data for e* searches, with e* -> e gamma, Z,W followed by had decay of bosons; nu* -> nu gamma search, with 16 pb-1 of 98-99 e- data)
  - Study of High Mass e^--jet Systems in Electron-Proton Scattering at HERA
  - Search for Lepton Flavour Violation in ep Collisions at HERA (e+ data, search for mu + X, limits for LFV LQs; search for isolated leptons in 16 pb-1 of e- 98-99 data)
  - Search for Squarks from R-parity Violating Supersymmetry in e⁺p Collisions at HERA
  - Study of High Mass \bar{\nu}-jet Systems in Positron-Proton Scattering at HERA
  - W Production and the Search for Events with an Isolated High Energy Lepton and Missing Transverse Momentum at HERA (e+ data, 47 pb-1) ( DESY-99-054)
  - Measurement of High-Q² Charged-Current e⁺p Deep Inelastic Scattering Cross Sections at HERA (DESY-99-059)
  - Measurement of High Q² Charged Current Deep Inelastic Scattering Cross Sections in e^-p scattering at HERA
  - Measurement of High Q² Neutral-Current e⁺p Deep Inelastic Scattering Cross-Sections at HERA ( DESY-99-056)
  - Measurement of High Q² Neutral Current Deep Inelastic Scattering Cross Sections in e^-p scattering at HERA
- Contributed papers from TeVatron
- Contributed papers from LEP
15-22 July 99 : Talks presented at EPS'99 (Tampere):

D. Boscherini (ZEUS Bologna) High Pt leptons and W production, Pa. 6
N. Brummer (ZEUS Nikhef) Search for SUSY at HERA, Pa. 7
E. Perez (H1 Saclay) Searches for Exotics at HERA, Pa. 7, writeup
E. Elsen (H1 Desy) Tests of the SM in Inclusive Hard Scattering at HERA, Pa. 6
G. Bernardi (H1 Paris VI) H1 NC and CC Cross Section Measurement at High Q2, Pa. 2
P. Kooijman (ZEUS Nikhef) ZEUS NC and CC Cross Section Measurement at High Q2, Pa. 2
12 July 99 : New ZEUS paper
``Measurement of High-Q^2 Charged-Current e^+p Deep Inelastic Scattering Cross Sections at HERA"
DESY-99-059 (hep-ex/9907010)
(e+ 1994-1997 data, lumi=47 pb-1)
2 July 99 : New H1 paper
``A Search for Leptoquark Bosons and Lepton Flavor Violation in Positron-Proton Collisions at HERA"
DESY-99-081 (hep-ex/9907002)
(e+ 1994-1997 data, lumi=37 pb-1)
6-12 Jun 1999 : Talks presented at BEYOND'99: (Ringberg Castle, Tegernsee, Germany)

U. Katz (ZEUS-Bonn) ``Search for Leptoquarks and Excited Fermions at HERA'' writeup (hep-ex/9910012)
May 30 - June 4, 1999, Ringberg Workshop: "New Trends in HERA Physics 1999"

M. Kuze (ZEUS) ``Search for Physics Beyond Standard Model at HERA'' writeup (hep-ex/9910017)
27 May 99 - 2 June 99 : Talks presented at QFTHEP'99 (Moscow):
- S. Kermiche (H1 Marseille) Beyond the Standard Model
  (H1 and ZEUS searches for LQs, SUSY, Contact Interactions, Excited Fermions, rely on e+ data 94-97)
- A. van Sighem (ZEUS Nikhef) ep at high Q2
- K. Long (ZEUS IC) Future ep physics
- E. Perez (CEA-Saclay) Beyond the Standard Model in ep collisions
  (Phenomenology of LQs, SUSY, Monte-Carlo Tools)
21 May 99 : New ZEUS paper
``Search for Contact Interactions in Deep Inelastic e^+p->e^+X Scattering at HERA''
DESY-99-058 (hep-ex/9905039)
(e+ 1994-1997 data, lumi=47 pb-1)
19 May 99 : New ZEUS paper
``Measurement of High Q^2 Neutral Current e+p Deep Inelastic Scattering Cross Sections at HERA''
DESY-99-056 (hep-ex/9905032)
19-23 April 99 : Talks presented at DIS99:
Access to the main page of DIS99
- R Pawlak (ZEUS):
  High Q2 e+P & e-P (transparencies), write-up
  (NC and CC for e+, CC for e- data)
- F Zarnecki (ZEUS):
  HERA and global contact interactions (transparencies), write-up
  (e+ data, 94-97)
- R. Galea (ZEUS):
  Exotics searches with the ZEUS detector (transparencies), write-up
  (LQ, Rp SUSY,Isolated Leptons, e- data)
- J Scheins (H1):
  Contact interactions and leptoquarks at HERA (transparencies), write-up
  (e+ data, 94-97)
- H Schultz-Coulon (H1):
  Searches for exotics phenomena in H1 (transparencies), write-up
  (e+ data, Excited Fermions, RpV Susy, isolated leptons)
- Y. Sirois (Ecole Polytechnique) :
  ep Physics beyond 2000 (write-up)
14.04.99 Talk given at TOOLS FOR SUSY'99, IPN Lyon, March 31th - April 2nd
Supersymmetry in ep collisions, E. Perez
The main page of this workshop can be accessed here
09.04.99 : New ALEPH paper
``Study of Fermion pair production in e+e- collisions at 130-183 GeV''
hep-ex/9904011
(Limits on contact interactions, leptoquarks and Rp-violating Susy are derived from cross sections and fwd-bwd asymmetries)
NB : see also OPAL (Aug. 98) and L3 (Feb. 98) papers, where mass dependent limits on LQ couplings were similarly obtained.
31.03.99 : New DELPHI paper
``Search for Leptoquarks and FCNC in e+e- annihilations at sqrt(s) = 183 GeV''
hep-ex/9903072
March 99 Talk given at HIGGS AND SUPERSYMMETRY: SEARCH & DISCOVERY,
Gainesville, March 8th to 11th 1999
Search for RpV Squarks in ep collisions, B. Straub (ZEUS analysis of RpV Susy, new results !)
02.03.99 Talk given at Hadron13, Mumbai, India, January 13-20, 1999 :
"Searches for Isolated Leptons with Large Missing Pt and for Excited Fermions at HERA", G. Cozzika (H1, Saclay)
Transparencies
24.02.99 Durham's Workshop : WG2
3rd UK Phenomenology Workshop on HERA Physics, Durham, England, 20-25 Sep 1998. The main page for WG2 (High E_T, exotics and rare processes) can be accessed here.
Written contributions:

High E_T, Exotics and Rare Processes, J. Kalinowski, M.W. Krasny, R. Walczak, Introduction to the WG2 contribution to the workshop
Exotic and Rare Processes at HERA, D.S. Waters, contribution to the plenary session
HERA Physics Beyond the Standard Model, H.Spiesberger, contribution to the plenary session
High Pt Leptons and W Production, C. Diaconu, J. Kalinowski, T. Matsushita, H. Spiesberger, D.S. Waters
High Q2 Physics at HERA and searches for new particles, T. Matsushita, E. Perez, R.Rueckl
Standard Model Large E_T processes and Searches for New Physics at HERA, M.W. Krasny, H. Spiesberger
W Boson Production at HERA, P.Nason, R. Rueckl, M. Spira
Contact Interactions with Polarized Beams at HERA, J. Kalinowski, H.Spiesberger, J.M. Virey
Events with Large E_T^tot in Photoproduction at HERA , C. Nath, R. Walczak, Y. Yamazaki
11.02.99 New D0 paper :
"Search for Squarks and Gluinos in Events Containing Jets and a Large Imbalance in Transverse Energy", D0 Collaboration: B. Abbott et al,
hep-ex/9902013
22.12.98 Contribution to Durham's Workshop
``High Q**2 Physics at HERA and Searches for New Particles'',
T. Matsushita (Oxford U.), E. Perez (DAPNIA, Saclay), R. Ruckl (Wurzburg U.),
Contributed to 3rd UK Phenomenology Workshop on HERA Physics, Durham, England, 20-25 Sep 1998.
hep-ph/9812481
08.12.98 Test Version of SUSYGEN FOR ep COLLISIONS available (compatible with SUSYGEN 2)

Download the code of SUSYGEN 2.20/03 together with the manual
What you need in addition for HERA's processes :

The code (compressed .tar file, contains fortran code, Makefile and input file)
The manual (a short description of Rp SUSY phenomenology at HERA and instructions to use the program)

A slightly modified (and improved) version of this code will be included in the next release of SUSYGEN3. Thanks to try this test version and report comments/problems !!
19.11.98 New ALEPH paper :
"Search for supersymmetry with a dominant R-parity violating LQDbar couplings in e+e- collisions at centre-of-mass energies of 130GeV to 172 GeV",
hep-ex/9811033
19.10.98 Minutes of October Meeting (08.10.98) have been posted (see here)
13.10.98 New ALEPH paper :
"Scalar quark searches in e^+e^- collisions at sqrt{s} = 181-184 GeV",
hep-ex/9810028
13.10.98 New CDF paper :
"Search for second generation leptoquarks in the dimuon plus dijet channel of p-pbar collisions at sqrt{s}=1.8 TeV",
hep-ex/9810015
07.10.98 New CDF/D0 paper :
"Combined Limits on First Generation Leptoquarks from the CDF and D0 Experiments",
hep-ex/9810015
08.09.98 Minutes of September Meeting (01.09.98) have been posted (see here)
July 98 : Talks presented at ICHEP98 :

Transparencies Z Zhang (H1 Orsay): SUSY at HERA
Transparencies L Stanco (ZEUS Padova): Contact Interactions
Transparencies E Gallo (ZEUS Firenze): Leptoquark searches
Transparencies C Diaconu (H1 Marseille): Leptons plus missing transverse energy, e*q*
Transparencies T Matsushita (ZEUS Tokyo): W boson production at HERA
July 98 : H1 and ZEUS contributed papers at ICHEP98 :

H1 contributed papers

Abstract 578 : Parallel 10,1, Plenary 12,1:
`Observation of Events with an Isolated High Energy Lepton and Missing Transverse Momentum at HERA'
Abstract 579 : Parallel 10, Plenary 12:
`A Search for Leptoquark Bosons in DIS at High $Q^2$ at HERA'
Abstract 580 : Parallel 10, Plenary 12:
`A Search for Squarks of R-Parity Violating SUSY at HERA'
Abstract 581 : Parallel 10, Plenary 12:
`A Search for Excited Fermions at HERA'
Abstract 584 : Parallel 10, Plenary 12:
`A Search for Contact Interactions in Neutral Current Scattering at HERA'

ZEUS contributed papers

[753] Limits on Contact Interactions from High-Q2 Deep Inelastic Scattering Data at HERA
[754] Resonance Search in ep Scattering at High x and Q2 using the ZEUS Detector at HERA
[756] Production of W Bosons at HERA and Limits on Anomalous WWgamma Couplings
[758] Search for Excited Electrons in e+p Collisions at HERA
[759] Search for Selectron and Squark Production in e+p Collisions at HERA
July 98 : Talks presented at SUSY98 (Oxford) :

E. Perez (H1, Saclay) : Supersymmetry at HERA (Plenary Session) Transparencies
M. Corradi (ZEUS, Bologna) : Searches for Supersymmetry at HERA Transparencies
24.06.98 Minutes of June Meeting (10.06.98) have been posted (see here)
23.06.98 New ZEUS PAPER
"Search for Selectron and Squark Production in ep Collisions at HERA"
hep-ex/9806019, DESY-98-069
09.06.98 New H1 PAPER
``Observation of Events with an Isolated High-Energy Lepton and missing Transverse Momentum at HERA.''
hep-ex/9806009, DESY-98-063

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