The Mark II detector for the SLC

Abrams, G. S.; Adolphsen, C.; Akerlof, C.; Alexander, J. P.; Alvarez, M.; Averill, D.; Baden, A.; Ballam, J.; Barish, B. C.; Barklow, T.; Barnett, B. A.; Bartelt, J.; Blockus, D.; Boer, W. De; Bonvicini, G.; Boswell, C.; Boyarski, A.M.; Boyer, J.; Brabson, B.; Braune, K.; Breakstone, A.; Brom, J.-M.; Bulos, F.; Burchat, P. R.; Burke, D. L.; Butler, F.; Calviño, F.; Cence, R. J.; Chapman, J.; Chmeissani, M.; Cords, D.; Coupal, D.P.; Dauncey, P.; DeStaebler, H.; Dorfan, D. E.; Dorfan, J.; Drell, P. S.; Drewer, D. C.; Fay, Jonathan; Feldman, G. J.; Fernandes, D.; Fernández, E.; Field, R. C.; Ford, W. T.; Fordham, C.; Frey, R.; Fujino, D.; Gan, K. K.; Gatto, C.; Gero, E.; Gidal, G.; Glanzman, T.; Goldhaber, G.; Gómez-Cadenas, J. J.; Gong, Xue; Gratta, G.; Green, A.; Grosse‐Wiesmann, P.; Haggerty, J. S.; Hanson, G.; Harr, R.; Harral, B.; Harris, F. A.; Hawkes, C. M.; Hayes, K.; Hearty, C.; Herrup, D.; Heusch, C. A.; Himel, T.; Hinshaw, D. A.; Hoenk, Michael E.; Holmgren, S. O.; Hong, S. J.; Hutchinson, D. P.; Hylen, J.; Innes, W. R.; Jacobsen, R.G.; Jaffré, M.; Jaros, J. A.; Jung, C. K.; Juricic, I.; Kadyk, J.; Karlen, D.; Kent, J.; King, M.; Klein, S. R.; Koepke, L.; Koetke, D. S.; Koide, Akihiro; Komamiya, S.; Koska, W.; Kowalski, L. A.; Kozanecki, W.; Kral, J.F.; Kuhlen, M.; Labarga, L.; Lankford, A. J.; Larsen, R. R.; Levi, M. E.; Li, Z.; Litke, A. M.; Lüth, V.; Lynch, G.; McKenna, J. A.; Matthews, John; Mattison, T.S.; Milliken, B.; Moffeit, K.; Müller, L.; Munger, Charles T.; Murray, W. N.; Nash, J.; Nelson, M. E.; Nitz, D.; Ogren, H. O.; Ong, R. A.; O’Shaughnessy, K.; Parker, S. I.; Peck, C.; Perl, Joseph; Perl, M.; Perrier, Frédéric; Petersen, A.; Petradza, M.; Pitthan, R.; Porter, F. C.; Rankin, P.; Richman, J. D.; Riles, K.; Rouse, F.; Rust, D. R.; Sadrozinski, H. F-W.; Schaad, M. W.; Schmidke, W. B.; Schumm, B. A.; Schwarz, A. S.; Seiden, A.; Smith, J. G.; Snyder, A.; Soderstrom, E.; Stoker, D.; Stroynowski, R.; Swartz, M.; Taylor, Richard E.; Thun, R.; Trilling, G. H.; Tschirhart, R.; Turała, M.; Kooten, R. Van; Vejcik, S.; Veltman, H.; Voruganti, P.; Wagner, S. R.; Watson, S.; Weber, P.; Weigend, A.; Weinstein, A. J.; Weir, A. J.; Weisz, S.; White, S. L.; Wicklund, E.; Wolf, R.; Wood, D.; Woods, M.; Wormser, G.; Wright, R.E.; Wu, D. Y.; Yurko, M.; Zaccardelli, C.; Zanthier, C. von

doi:10.1016/0168-9002(89)91217-5

Cited by 70 publications

(8 citation statements)

References 34 publications

(19 reference statements)

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“…Historically, there have several TCF experiments, such as MARKI-III [7][8][9], DM2 [10] etc. which had produced remarkable results in testing the SM and searching for physics beyond the SM.…”

Section: Jinst 16 P03029mentioning

confidence: 99%

A fast simulation package for STCF detector

Shi¹,

Zhou²,

Qin³

et al. 2021

J. Inst.

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A Super Tau Charm Facility (STCF) is one of the major options for the accelerator-based high energy project in China in the post-BEPCII era, and its R&D program is underway. The proposed STCF will span center of mass energies (√(s)) ranging from 2 to 7 GeV with a peaking luminosity above 0.5× 1035 cm−2 s−1 at √(s)=4.0 GeV, and will provide a unique platform for tau-charm physics and hadron physics. In order to evaluate the physical potential capabilities and optimize the detector design, a fast simulation package has been developed. This package takes as inputs the response of physical objects in each sub-system of the detector including resolution, efficiency as well as related variables for the kinematic fit and the secondary vertex reconstruction algorithm. It can flexibly adjust the responses of each sub-detector system and is a critical tool for the STCF R&D program.

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Section: Jinst 16 P03029mentioning

confidence: 99%

A fast simulation package for STCF detector

Shi¹,

Zhou²,

Qin³

et al. 2021

J. Inst.

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“…Here φ SW is the "superweak phase" and is equal to tan −1 (2∆M/∆Γ), where ∆M can be measured from the wavelength of the oscillation, and ∆Γ is determined from the K S and K L decay curves. 2 The difference between the measured phase of the eqn. 2.30 oscillation term and φ SW is…”

Section: Tests Of the Cpt Invariance With J/ψ Decaysmentioning

confidence: 99%

“…2.5c. 2 There is a small, O(0.03 • ) theoretical correction to the φ SW = tan −1 (2∆M/∆Γ) that is well understood [334].…”

Section: Tests Of the Cpt Invariance With J/ψ Decaysmentioning

confidence: 99%

“…Starting with the discovery of the charmed quark and the τ lepton during the 1974 "November Revolution" [1], the results from low-energy e + e − collider experiments with a center-of-mass energy (CME) in the 2∼6 GeV (τ-charm threshold) region have played a key role in elucidating the properties of these intriguing particles. Historically, there have been several generations of τ-charm facilities (TCFs) in the world, including the Mark II and Mark III detectors [2,3], DM2 [4], CLEO-c [5], and BEPC/BES [6], which have produced numerous critical contributions to the establishment of the SM and to searches for new physics beyond the SM. Of these, the BEPC/BES facility in Beijing, China, is no doubt one of the most prolific TCFs.…”

Section: Introductionmentioning

confidence: 99%

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DAQ software for SND detector

Ачасов

Богданчиков

Kim

et al. 2006

Nuclear Instruments and Methods in Physics Research Section A:

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“…7 A cylindrical drift chamber in a 4.75-kG axial magnetic field measures charged-particle momenta. Photons are detected in electromagnetic calorimeters covering the angular region I coslJ I < 0.96, where lJ is the angle with respect to the beam axis.…”

mentioning

confidence: 99%

Searches for new quarks and leptons produced in Z-boson decay

Abrams¹,

Ce²,

Averill³

et al. 1989

Phys. Rev. Lett.

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We have searched for events with new-particle topologies in 390 hadronic Z decays with the Mark II detector at the SLAC Linear Collider. We place 95%-confidence-level lower limits of 40.7 GeV /c 2 for the top-quark mass, 42.0 GeV/c 2 for the mass of a fourth-generation charge -t quark, and 41.3GeV /c 2 for the mass of an unstable Dirac neutral lepton. PACS numbers: 13.38.+c, 12.15.Ff, 14.60.Gh, 14.80.Dq widths given by the standard model. We have searched for new quarks and leptons in Zboson decay using data from the Mark II detector at the SLAC e + e -Linear Collider (SLC) operating in the e + e-center-of-mass energy (E c.m) range from 89.2 to 93.0 GeV. The standard model predicts the existence of the top quark and does not exclude the possibility of new generations of fermions. The existence and masses of these possible new particles may provide information to help understand the pattern of fermion masses and the presence of generations.We specifically search for top (t) Ge V /c 2 by the VENUS Collaboration 5 at the KEK e + e -storage ring TRISTAN.We restrict our L 0 search to a sequential fourthgeneration Dirac neutral lepton. We assume that MLo We have investigated three types of event topologies. Type I is an event with an isolated charged track. The semileptonic decays of t and b' or the decays of L 0 will produce isolated leptons. To keep detection efficiencies high, lepton identification is not used. The type-2 topology is an event with an isolated photon. The decay b'-br motivates the search for this topology. Type 3 is the topology produced by a pair of heavy objects each decaying hadronically into two or more jets. Massive particles decaying into jets tend to produce spherical events which can be characterized by large momentum sums out of the event plane. The decay b'-+ b + gluon, t decaying through H + b, with the H + decaying 100% hadronically, and the CC hadronic decays oft and b' are examples.Details of the Mark II detector can be found elsewhere. 7 A cylindrical drift chamber in a 4.75-kG axial magnetic field measures charged-particle momenta. Photons are detected in electromagnetic calorimeters covering the angular region I coslJ I < 0.96, where lJ is the angle with respect to the beam axis. Barrel leadliquid-argon sampling calorimeters cover the central region I coslJ I < 0. 72 and the remaining solid angle is covered by end-cap lead-proportional-tube calorimeters. The detector is triggered by two or more charged tracks within I cos9l < 0. 76 or by neutral-energy requirements of a single shower depositing at least 3.3 GeV in the barrel calorimeter or 2.2 GeV in an end-cap calorimeter. This combination results in an estimated trigger efficiency of greater than 99% for hadronic Z decays.All three types of event topologies share the following event-selection criteria: Charged tracks are required to project into a cylindrical volume of radius 1 em and halflength of 3 em around the nominal collision point parallel to the beam axis, to be within the angular region 2448 I coslJ I < 0.85, and to ...

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The Mark II detector for the SLC

Cited by 70 publications

References 34 publications

A fast simulation package for STCF detector

A fast simulation package for STCF detector

DAQ software for SND detector

Searches for new quarks and leptons produced in Z-boson decay

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