The iron calorimeter and muon identifier for SLD

Benvenuti, A. C.; Callegari, G; Piemontese, L.; Calcaterra, A.; Sangro, R. de; Simone, P. De; Peruzzi, I. M.; Piccolo, M.; Busza, W.; Cartwright, S. L.; Friedman, J.; Fuess, S.; González, S.; Hansl‐Kozanecka, T.; Kendall, H.W.; Lyons, T.; Osborne, L.S.; Rosenson, L.; Schneekloth, U.; Taylor, F. Ë.; Verdier, R.; Williams, D.C.; Yamartino, J. M.; Bacchetta, N.; Bisello, D.; Castro, A.; Loreti, M.; Pescara, L.; Toniolo, D.; Wyss, J.; Alpat, B.; Artemi, C.; Battiston, R.; Bilei, G. M.; Cappelletti, Chantal; Dell’Orso, R.; Mantovani, G.; Pauluzzi, M.; Scarlatella, M.; Servoli, L.; Beconcini, F.; Castaldi, R.; Vannini, C.; Verdini, P. G.; Byers, B.L.; Kharakh, D.; Messner, R.; Zdarko, R. W.; Johnson, J. R.

doi:10.1016/0168-9002(89)90620-7

Cited by 18 publications

(3 citation statements)

References 11 publications

(4 reference statements)

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“…This tag will be discussed in chapter 7. [20] for electron identification and thrust axis determination, and an instrumented flux return/muon detector, the warm iron calorimeter [21]. The tracking chambers will be described below, and details about the other individual detector components may be found in the references given above.…”

Section: The Slcmentioning

confidence: 99%

b Decay Charm Counting Via Topological Vertexing

Chou

2001

Int. J. Mod. Phys. A

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We present a new and unique measurement of the branching fractions of b hadrons to states with 0, 1 and 2 open charm hadrons, using a sample of 350,000 Z's collected during the SLD/SLC 97-98 run. The analysis takes advantage of the excellent vertexing resolution of the VXD3, a pixel-based CCD vertex detector, which allows the separation of B and cascade D decay vertices. Analysis of the decay length distributions for each of the 1-, 2-, and 3-vertex topologies allows the extraction of the inclusive branching fractions. We measure: BR(b → 0D) =5.6% ± 1.1%(stat.) ± 2.0%(syst.), BR(b → 2D)= 24.6% ± 1.4%(stat.)± 4.0%(syst.) (preliminary), where b and D represent mixtures of open b and open c hadrons.

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Section: The Slcmentioning

confidence: 99%

b Decay Charm Counting Via Topological Vertexing

Chou

2001

Int. J. Mod. Phys. A

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“…0 A warm iron calorimeter provides position and energy measurements of particles escaping the liquid argon calorimeter [24] In the analyses of this thesis, only the tracking systems and liquid argon calorimeter are used. These devices and their role in the analyses are described in this section.…”

Section: 24)mentioning

confidence: 99%

Measurements of {Gamma}(Z{sup O} {yields} b{bar b})/{Gamma}(Z{sup O} {yields} hadrons) using the SLD

Neal¹

1995

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The quantity Rb = r(Zo-$ bg)/r(Zo + hadrons) is a sensitive measure of corrections to the Zbb vertex. The precision necessary to observe the top quark mass dependent corrections is close to being achieved. LEP is already observing a 1.80 deviation from the Standard Model prediction. Knowledge of the top quark mass combined with the observation of deviations from the Standard Model prediction would indicate new iv forgotten. All members of the SLD Heavy Flavor Physics Group have been significant contributers to my development as a physicist. Many thanks for their support. It has also been a pleasure getting to know all the member of Group E. My first experience at SLAC actually occurred nearly 15 years ago when my father was working on the HRS experiment. Before I had had my first high school physics course I had already visited many of the major high energy physics research facilities due to his interest. It is from this exposure to the field that 1 have grown to love it and decided to choose it as my profession. Much gratitude goes to my father for the many great experiences he has shared with me. My parents, Mr. and Mrs. Homer A. Neal, my sister, Sharon Brangman, my aunt, Eddaline Bannister, and uncle, Donald Daniels are especially deserving of thanks for all of the support they have provided during my entire life. Also, special thanks goes to my brother-in-law, Stephen Brangman for his support. It is to them that I dedicate this thesis. I know I will have missed some very deserving people in these acknowledgments.

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“…The improved acceptance of VXD3 allows highly efficient track finding up to jcosuj 0.9 [9]. The new trigger for m 1 m 2 events covers the angular range up to jcosuj , 0.95 by requiring two back-to-back tracks that pass through the interaction point and reach the end cap Warm Iron Calorimeter [10].…”

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confidence: 99%