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Dr Mark Williams

Formerly at Lancaster University

  1. Published

    Search for gauge mediated SUSY breaking topologies at $S^(1/2)$ similar to 189-GeV

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R., Smizanska, M. & Williams, M., 08/2000, In : The European Physical Journal C (EPJ C) - Particles and Fields. 16, 1, p. 71-85 15 p.

    Research output: Contribution to journalJournal article

  2. Published

    Bose-Einstein correlations in W pair decays

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R., Smizanska, M. & Williams, M., 6/04/2000, In : Physics Letters B. 478, 1-3, p. 50-64 15 p.

    Research output: Contribution to journalJournal article

  3. Published

    Search for the glueball candidates f(0)(1500) and f(J)(1710) in gamma gamma collisions

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 13/01/2000, In : Physics Letters B. 472, 1-2, p. 189-199 11 p.

    Research output: Contribution to journalJournal article

  4. Published

    Searches for sleptons and squarks in e+ e- collisions at 189-GeV

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R., Smizanska, M. & Williams, M., 9/12/1999, In : Physics Letters B. 469, 1-4, p. 303-314 12 p.

    Research output: Contribution to journalJournal article

  5. Published

    Measurement of the e+ e- ---> Z Z production cross-section at center-of-mass energies of 183-GeV and 189-GeV

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R., Smizanska, M. & Williams, M., 9/12/1999, In : Physics Letters B. 469, 1-4, p. 287-302 16 p.

    Research output: Contribution to journalJournal article

  6. Published

    A Direct measurement of |V(cs)| in hadronic W decays using a charm tag

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R., Smizanska, M. & Williams, M., 21/10/1999, In : Physics Letters B. 465, 1-4, p. 349-362 14 p.

    Research output: Contribution to journalJournal article

  7. Published

    Search for an invisibly decaying Higgs boson in e+ e- collisions at 189-GeV

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R., Smizanska, M. & Williams, M., 28/10/1999, In : Physics Letters B. 466, 1, p. 50-60 11 p.

    Research output: Contribution to journalJournal article

  8. Published

    Inclusive production of pi0, eta, eta-prime (958), K0(S) and lambda in two jet and three jet events from hadronic Z decays

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 09/2000, In : The European Physical Journal C (EPJ C) - Particles and Fields. 16, 4, p. 613-634 22 p.

    Research output: Contribution to journalJournal article

  9. Published

    Study of charm production in Z decays

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 09/2000, In : The European Physical Journal C (EPJ C) - Particles and Fields. 16, 4, p. 597-611 15 p.

    Research output: Contribution to journalJournal article

  10. Published

    Measurement of the Z resonance parameters at LEP

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R., Sloan, T. & Williams, M., 05/2000, In : The European Physical Journal C (EPJ C) - Particles and Fields. 14, 1, p. 1-50 50 p.

    Research output: Contribution to journalJournal article

  11. Published

    Search for R-parity violating decays of supersymmetric particles in $e^+ e^-$ collisions at center-of-mass energies near 183-GeV

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R., Smizanska, M. & Williams, M., 03/2000, In : The European Physical Journal C (EPJ C) - Particles and Fields. 13, 1, p. 29-46 18 p.

    Research output: Contribution to journalJournal article

  12. Published

    Determination of the LEP center-of-mass energy from Z gamma events

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R., Smizanska, M. & Williams, M., 14/10/1999, In : Physics Letters B. 464, 3-4, p. 339-349 11 p.

    Research output: Contribution to journalJournal article

  13. Published

    A Study of single $W$ production in $e^+ e^-$ collisions at $S^(1/2)$ = 161-GeV to 183-GeV

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R., Smizanska, M. & Williams, M., 16/09/1999, In : Physics Letters B. 462, 3-4, p. 389-400 12 p.

    Research output: Contribution to journalJournal article

  14. Published

    Measurement of the hadronic photon structure function at LEP-1 for (Q**2) values between 9.9-GeV**2 and 284-GeV**2

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 1/07/1999, In : Physics Letters B. 458, 1, p. 152-166 15 p.

    Research output: Contribution to journalJournal article

  15. Published

    Study of fermion pair production in $e^+ e^-$ collisions at 130-GeV to 183-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 01/2000, In : The European Physical Journal C (EPJ C) - Particles and Fields. 12, 2, p. 183-207 25 p.

    Research output: Contribution to journalJournal article

  16. Published

    Measurement of the $W$ mass in $e^+ e^-$ collisions at 183-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 29/04/1999, In : Physics Letters B. 453, 1-2, p. 121-137 17 p.

    Research output: Contribution to journalJournal article

  17. Published

    Measurement of W pair production in e+ e- collisions at 183-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 29/04/1999, In : Physics Letters B. 453, 1-2, p. 107-120 14 p.

    Research output: Contribution to journalJournal article

  18. Published

    Study of tau decays involving kaons, spectral functions and determination of the strange quark mass

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 12/1999, In : The European Physical Journal C (EPJ C) - Particles and Fields. 11, 4, p. 599-618 20 p.

    Research output: Contribution to journalJournal article

  19. Published

    One prong tau decays with kaons

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 08/1999, In : The European Physical Journal C (EPJ C) - Particles and Fields. 10, 1, p. 1-18 18 p.

    Research output: Contribution to journalJournal article

  20. Published

    Search for charginos and neutralinos in $e^+ e^-$ collisions at center-of-mass energies near 183-GeV and constraints on the MSSM parameter space

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 11/1999, In : The European Physical Journal C (EPJ C) - Particles and Fields. 11, 2, p. 193-216 24 p.

    Research output: Contribution to journalJournal article

  21. Published

    Search for invisible Higgs boson decays in e+ e- collisions at center-of-mass energies up to 184-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 18/03/1999, In : Physics Letters B. 450, 1-3, p. 301-312 12 p.

    Research output: Contribution to journalJournal article

  22. Published

    Search for charged Higgs bosons in $e^+ e^-$ collisions at $S^(1/2)$ = 181-GeV - 184-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 25/03/1999, In : Physics Letters B. 450, 4, p. 467-478 12 p.

    Research output: Contribution to journalJournal article

  23. Published

    Analysis of transverse momentum correlations in hadronic Z decays

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 4/02/1999, In : Physics Letters B. 447, 1-2, p. 183-198 16 p.

    Research output: Contribution to journalJournal article

  24. Published

    Search for supersymmetry with a dominant R-parity violating LQ $D$ coupling in $e^+ e^-$ collisions at center-of-mass energies of 130-GeV to 172-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 03/1999, In : The European Physical Journal C (EPJ C) - Particles and Fields. 7, 3, p. 383-405 23 p.

    Research output: Contribution to journalJournal article

  25. Published

    Searches for the neutral Higgs bosons of the MSSM in e+ e- collisions at center-of-mass energies of 181-GeV to 184-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 1998, In : Physics Letters B. 440, 3-4, p. 419-434 16 p.

    Research output: Contribution to journalJournal article

  26. Published

    Search for the standard model Higgs boson at the LEP-2 collider near S**(1/2) = 183-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 19/11/1998, In : Physics Letters B. 440, 3-4, p. 403-418 16 p.

    Research output: Contribution to journalJournal article

  27. Published

    Study of D0 anti-D0 mixing and D0 doubly Cabibbo suppressed decays

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 17/09/1998, In : Physics Letters B. 436, 1-2, p. 211-221 11 p.

    Research output: Contribution to journalJournal article

  28. Published

    Search for B0(s) oscillations using inclusive lepton events

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 03/1999, In : The European Physical Journal C (EPJ C) - Particles and Fields. 7, 4, p. 553-569 17 p.

    Research output: Contribution to journalJournal article

  29. Published

    A Measurement of the gluon splitting rate into b anti-b pairs in hadronic Z decays

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 27/08/1998, In : Physics Letters B. 434, 3-4, p. 437-450 14 p.

    Research output: Contribution to journalJournal article

  30. Published

    The forward-backward asymmetry for charm quarks at the Z

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 27/08/1998, In : Physics Letters B. 434, 3-4, p. 415-425 11 p.

    Research output: Contribution to journalJournal article

  31. Published

    Search for sleptons in e+ e- collisions at center-of-mass energies up to 184-GeV

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 6/08/1998, In : Physics Letters B. 433, 1-2, p. 176-194 19 p.

    Research output: Contribution to journalJournal article

  32. Published

    Scalar quark searches in $e^+ e^-$ collisions at $S^(1/2)$ = 181-GeV - 184-GeV

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 20/08/1998, In : Physics Letters B. 434, 1-2, p. 189-199 11 p.

    Research output: Contribution to journalJournal article

  33. Published

    Determination of |V(ub)| from the measurement of the inclusive charmless semileptonic branching ratio of b hadrons

    ALEPH Collaboration, T., Barate, R., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 01/1999, In : The European Physical Journal C (EPJ C) - Particles and Fields. 6, 4, p. 555-574 20 p.

    Research output: Contribution to journalJournal article

  34. Published

    Single photon and multiphoton production in $e^+ e^-$ collisions at a center-of-mass energy of 183-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 11/06/1998, In : Physics Letters B. 429, 1-2, p. 201-214 14 p.

    Research output: Contribution to journalJournal article

  35. Published

    A Measurement of the inclusive b ---> s gamma branching ratio

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R., Sloan, T. & Williams, M., 11/06/1998, In : Physics Letters B. 429, 1-2, p. 169-187 19 p.

    Research output: Contribution to journalJournal article

  36. Published

    Measurement of the fraction of hadronic Z decays into charm quark pairs

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 07/1998, In : The European Physical Journal C (EPJ C) - Particles and Fields. 4, 4, p. 557-570 14 p.

    Research output: Contribution to journalJournal article

  37. Published

    Determination of A-b(FB) using jet charge measurements in Z decays

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 30/04/1998, In : Physics Letters B. 426, 1-2, p. 217-230 14 p.

    Research output: Contribution to journalJournal article

  38. Published

    Observation of doubly charmed B decays at LEP

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 07/1998, In : The European Physical Journal C (EPJ C) - Particles and Fields. 4, 3, p. 387-407 21 p.

    Research output: Contribution to journalJournal article

  39. Published

    Search for evidence of compositeness at LEP I

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 07/1998, In : The European Physical Journal C (EPJ C) - Particles and Fields. 4, 4, p. 571-590 20 p.

    Research output: Contribution to journalJournal article

  40. Published

    Resonant structure and flavor tagging in the B pi+- system using fully reconstructed B decays

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 16/04/1998, In : Physics Letters B. 425, 1-2, p. 215-226 12 p.

    Research output: Contribution to journalJournal article

  41. Published

    Measurements of the structure of quark and gluon jets in hadronic Z decays

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 10/2000, In : European Physical Journal C: Particles and Fields. 17, 1, p. 1-18 18 p.

    Research output: Contribution to journalJournal article

  42. Published

    Measurement of the spectral functions of axial - vector hadronic tau decays and determination of alpha(S)(M**2(tau))

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 07/1998, In : The European Physical Journal C (EPJ C) - Particles and Fields. 4, 3, p. 409-431 23 p.

    Research output: Contribution to journalJournal article

  43. Published

    K0(S) production in tau decays

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Finch, A., Colrain, P., Foster, F., Hughes, G., Jones, R. & Williams, M., 06/1998, In : The European Physical Journal C (EPJ C) - Particles and Fields. 4, 1, p. 29-45 17 p.

    Research output: Contribution to journalJournal article

  44. Published

    Measurement of triple gauge boson couplings at 172-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R., Whelan, E. & Williams, M., 12/03/1998, In : Physics Letters B. 422, 1-4, p. 369-383 15 p.

    Research output: Contribution to journalJournal article

  45. Published

    Measurement of the $W$ mass by direct reconstruction in $e^+ e^-$ collisions at 172-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R., Whelan, E. & Williams, M., 12/03/1998, In : Physics Letters B. 422, 1-4, p. 384-398 15 p.

    Research output: Contribution to journalJournal article

  46. Published

    Study of $B^0_s$ oscillations and lifetime using fully reconstructed $D_s$ - decays

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 07/1998, In : The European Physical Journal C (EPJ C) - Particles and Fields. 4, 3, p. 367-385 19 p.

    Research output: Contribution to journalJournal article

  47. Published

    Four jet final state production in e+ e- collisions at center-of-mass energies ranging from 130-GeV to 184-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R., Whelan, E. & Williams, M., 19/02/1998, In : Physics Letters B. 420, 1-2, p. 196-204 9 p.

    Research output: Contribution to journalJournal article

  48. Published

    A Measurement of the semileptonic branching ratio BR(b-baryon ---> p lepton anti-neutrino X) and a study of inclusive pi+-, K+-, (p,anti-p) production in Z decays

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R. & Williams, M., 08/1998, In : The European Physical Journal C (EPJ C) - Particles and Fields. 5, 2, p. 205-227 23 p.

    Research output: Contribution to journalJournal article

  49. Published

    Search for supersymmetry with a dominant R-parity violating L L anti-E coupling in e+ e- collisions at center-of-mass energies of 130-GeV to 172-GeV

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R., Whelan, E. & Williams, M., 07/1998, In : The European Physical Journal C (EPJ C) - Particles and Fields. 4, 3, p. 433-451 19 p.

    Research output: Contribution to journalJournal article

  50. Published

    An upper limit on the tau-neutrino mass from three-prong and five-prong tau decays

    ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R., Sloan, T. & Williams, M., 04/1998, In : European Physical Journal C: Particles and Fields. 2, 3, p. 395-406 12 p.

    Research output: Contribution to journalJournal article

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