H. Erlenmeyer, D. Waldi, E. Sorkin,
... Anorganische ChemieSearch for more papers by this authorD. Waldi, D. Waldi Universität Basel, Anstalt für Anorganische ChemieSearch for more ... Anorganische ChemieSearch for more papers by this authorD. Waldi, D. Waldi Universität Basel, Anstalt für Anorganische ChemieSearch for more ...
Tópico(s): Molecular spectroscopy and chirality
1948 - Wiley | Helvetica Chimica Acta
... von Alkaloiden mit Hilfe der Papierchromatographie Dr. D. Waldi, Corresponding Author Dr. D. Waldi Kontroll-Laboratorium der Fa. E. Merck AG, DarmstadtKontroll- ... for more papers by this author Dr. D. Waldi, Corresponding Author Dr. D. Waldi Kontroll-Laboratorium der Fa. E. Merck AG, DarmstadtKontroll- ...
Tópico(s): Chemical synthesis and alkaloids
1959 - Wiley | Archiv der Pharmazie
... ion exchange resins. Can. J. Microbiol., 10, 647. Waldi, D. (1965) Dünnschicht Chromatographie einigerZuckerundZuckeralkohole. J. Chromatog., 18, 417. Waldi, D. (1966) Spray reagents for thin layer chromatography. ... Chromatography (Ed. by E. Stahl). p. 483. Berlin . Waldi D. & Munten, F. (1962) Einer papierchromatographische Trennung der ...
Tópico(s): Potato Plant Research
1967 - Wiley | New Phytologist
R. Aaij, C. Abellán Beteta, B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, S. Akar, J. Albrecht, F. Alessio, M. Alexander, S. Ali, G. Alkhazov, P. Álvarez Cartelle, A. A. Alves, S. Amato, S. Amerio, Y. Amhis, L. An, L. Anderlini, J. Anderson, G. Andreassi, M. Andreotti, J. E. Andrews, R. B. Appleby, O. Aquines Gutierrez, F. Archilli, P. d’Argent, A. Artamonov, M. Artuso, E. Aslanides, G. Auriemma, M. Baalouch, S. Bachmann, J. J. Back, A. Badalov, C. Baesso, W. Baldini, R. J. Barlow, C. Barschel, S. Barsuk, W. Barter, V. Batozskaya, V. Battista, A. Bay, L. Beaucourt, J. Beddow, F. Bedeschi, I. Bediaga, L. J. Bel, V. Bellée, N. Belloli, I. Belyaev, E. Ben-Haim, G. Bencivenni, S. Benson, J. Benton, A. Berezhnoy, R. Bernet, A. Bertolin, M.-O. Bettler, M. van Beuzekom, A. Bień, S. Bifani, P. Billoir, T. Bird, A. Birnkraut, A. Bizzeti, T. Blake, F. Blanc, J. Blouw, S. Blusk, V. Bocci, A. Bondar, N. Bondar, W. Bonivento, S. Borghi, M. Borsato, T. J. V. Bowcock, E. Bowen, C. Bozzi, S. Braun, M. Britsch, T. Britton, J. Brodzicka, N. H. Brook, E. Buchanan, C. Burr, A. Bursche, J. Buytaert, S. Cadeddu, R. Calabrese, M. Calvi, M. Calvo Gomez, P. Campana, D. H. Cámpora Pérez, L. Capriotti, A. Carbone, G. Carboni, R. Cardinale, A. Cardini, P. Carniti, L. Carson, K. Carvalho Akiba, G. Casse, L. Cassina, L. Castillo Garcia, M. Cattaneo, Ch. Cauet, G. Cavallero, R. Cenci, M. Charles, Ph. Charpentier, M. Chefdeville, S. Chen, S.-F. Cheung, N. Chiapolini, M. Chrzaszcz, X. Cid Vidal, G. Ciezarek, P. E. L. Clarke, M. Clemencic, H. V. Cliff, J. Closier, V. Coco, J. Cogan, E. Cogneras, V. Cogoni, L. Cojocariu, G. Collazuol, P. Collins, A. Comerma-Montells, A. Contu, A. Cook, M. Coombes, S. Coquereau, G. Corti, M. Corvo, B. Couturier, G. A. Cowan, D. C. Craik, A. Crocombe, M. Cruz Torres, S. Cunliffe, R. Currie, C. D’Ambrosio, E. Dall’Occo, J. Dalseno, P. David, A. Davis, O. De Aguiar Francisco, K. De Bruyn, S. De Capua, M. De Cian, J. M. De Miranda, L. De Paula, P. De Simone, J. A. de Vries, D. Decamp, M. Deckenhoff, L. Del Buono, N. Déléage, M. Demmer, D. Derkach, O. Deschamps, F. Dettori, B. Dey, A. Di Canto, F. Di Ruscio, H. Dijkstra, S. Donleavy, F. Dordei, M. Dorigo, A. Dosil Suárez, D. Dossett, A. Dovbnya, K. Dreimanis, L. Dufour, G. Dujany, F. Dupertuis, P. Durante, R. Dzhelyadin, A. Dziurda, A. Dzyuba, S. Easo, U. Egede, V. Egorychev, S. Eidelman, S. Eisenhardt, U. Eitschberger, R. Ekelhof, L. Eklund, I. El Rifai, Ch. Elsässer, S. Ely, S. Esen, H. M. Evans, T. Evans, A. Falabella, C. Färber, N. Farley, S. Farry, R. Fay, D. Ferguson, V. Fernandez Albor, F. Ferrari, F. Ferreira Rodrigues, M. Ferro-Luzzi, S. Filippov, M. Fiore, M. Fiorini, M. Firlej, C. Fitzpatrick, T. Fiutowski, K. Föhl, P. Fol, M. Fontana, F. Fontanelli, D. C. Forshaw, R. Forty, M. Frank, C. Frei, M. Frosini, J. Fu, E. Furfaro, A. Gallas Torreira, D. Galli, S. Gallorini, S. Gambetta, M. Gandelman, P. Gandini, Y. Gao, J. García Pardiñas, J. Garra Tico, L. Garrido, D. Gascón, C. Gaspar, R. Gauld, L. Gavardi, G. Gazzoni, D. Gerick, E. Gersabeck, M. Gersabeck, T. Gershon, Ph. Ghez, S. Gianì, V. Gibson, O. G. Girard, L. Giubega, V. V. Gligorov, C. Göbel, D. Golubkov, A. Golutvin, A. Gomes, C. Gotti, M. Grabalosa Gándara, R. Graciani Diaz, L. A. Granado Cardoso, E. Graugés, E. Graverini, G. Graziani, A. Grecu, E. Greening, S. Gregson, P. Griffith, Lucia Grillo, O. Grünberg, B. Gui, E. Gushchin, Yu. Guz, T. Gys, T. Hadavizadeh, C. Hadjivasiliou, G. Haefeli, C. Haen, S. C. Haines, G. Hall, B. Hamilton, X. Han, S. Hansmann-Menzemer, N. Harnew, S. T. Harnew, J. Harrison, Jun He, T. Head, V. Heijne, K. Hennessy, P. Henrard, L. Henry, E. van Herwijnen, M. Heß, A. Hicheur, D. Hill, M. Hoballah, C. Hombach, W. Hulsbergen, T. Humair,
... France O. Grunberg, M. Hes, C. Vos, R. Waldi are associated to Physikalisches Institut, Ruprecht-Karls-Universitat ...
Springer Nature
Léa Ledoux, Yanis Zirem, Florence Renaud, Ludovic Duponchel, Michel Salzet, Nina Ogrinc, Isabelle Fournier,
... and correlation of lipid images between MALDI and WALDI for evaluating a common ground truth in MS ...
Tópico(s): Metabolomics and Mass Spectrometry Studies
2023 - Royal Society of Chemistry | The Analyst
... Fischer-Verlag, Jena, 1960, Ganzleinen DM 44,- D. Waldi, D. WaldiSearch for more papers by this author D. Waldi, D. WaldiSearch for more papers by this author ...
Tópico(s): Garlic and Onion Studies
1960 - Wiley | Archiv der Pharmazie
... Fischer Verlag, Jena 1958. Leinen DM 58.— D. Waldi, D. WaldiSearch for more papers by this author D. Waldi, D. WaldiSearch for more papers by this author ...
Tópico(s): Plant Reproductive Biology
1959 - Wiley | Archiv der Pharmazie
E. Sorkin, W. Krähenbühl, H. Erlenmeyer,
... p65_1) Erste Mitteilung siehe H. Erlenmeyer, D. Waldi und E. Sorkin, Helv., 31, 32 (1948). p65_ ...
Tópico(s): Molecular spectroscopy and chirality
1948 - Wiley | Helvetica Chimica Acta
D. Waldi, Klaus D. Schnackerz, F. Munter,
Alkaloide lassen sich am schnellsten adsorptionschromatographisch auf Dünnschichtplatten entwickeln. Das Verhalten von über 50 Alkaloiden in verschiedenen Entwicklern ermöglicht es, zwei Gruppen von Alkaloiden zu bilden. Nach Ermittlung der Gruppenzugehörigkeit können die Alkaloide auf Grund der in Tabellen angegebenen RF-Werte und Anfärbbarkeit identifiziert werden. The most rapid method of separating alkaloids is thin-layer chromatography. From investigations with more than 50 alkaloids it was ...
Tópico(s): Microfluidic and Capillary Electrophoresis Applications
1961 - Elsevier BV | Journal of Chromatography A
Tópico(s): Insect and Arachnid Ecology and Behavior
1965 - Elsevier BV | Journal of Chromatography A
Tópico(s): Reproductive System and Pregnancy
1962 - Springer Science+Business Media | Klinische Wochenschrift
Tópico(s): Algebraic Geometry and Number Theory
1975 - Springer Science+Business Media | manuscripta mathematica
... Magnesium sulfate was used for drying. 4a D. Waldi in “ Thin Layer Chromatography”, 2nd Edition, E. Slahl, ...
Tópico(s): Fungal Plant Pathogen Control
1974 - Wiley | Journal of Heterocyclic Chemistry
H. Albrecht, R. Childers, C.W. Darden, G. Drews, H. Hasemann, E. McCliment, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, F. Selonke, E. Steinmann, R. Wurth, W. Hofmann, A. Markees, D. Wegener, Klaus Schubert, J. Stiewe, R. Waldi, S. Weseler, P. Böckmann, L. Jönsson, M. Danilov, Yu. A. Semënov, I. Tichomirov, Yu. Zaitsev,
Abstract Using the DASP detector at the DESY storage ring DORIS we have continued measuring e+e− annihilations near and on the ϒ(9.46) resonance. From the cross sections for e+e− → μ+μ− and e+e− → hadrons we obtain a μ+μ− branching ratio for the ϒ(9.46) of (2.9 ± 1.3 ± 0.5) %, a leptonic width г ee = (1.35 ± 0.11 ± 0.22) keV and a total width of (47−15+37 keV.
Tópico(s): High-Energy Particle Collisions Research
1980 - Elsevier BV | Physics Letters B
Tópico(s): Algebraic structures and combinatorial models
1979 - Springer Nature | Mathematische Annalen
... 2) $H$ is a special almost complete intersection (Waldi [10]),
Tópico(s): Polynomial and algebraic computation
1982 - University of Tsukuba | Tsukuba Journal of Mathematics
H. Albrecht, R. Childers, C.W. Darden, G. Drews, H. Hasemann, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, F. Selonke, E. Steinmann, R. Wurth, W. Hofmann, A. Markees, D. Wegener, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler, P. Böckmann, L. Jönsson, M. Danilov, Yu. A. Semënov, I. Tichomirov, Yu. Zaitsev,
The reaction e+e−→ hadrons has been measured in the ϒ and ϒ′ region using the DASP detector at the DESY storage ring DORIS. The following final results are obtained: Rhad(9.5 GeV)=3.73±0.16±0.28, Γee(ϒ)=(1.23 ± 0.08 ± 0.12) keV, Bμμ(ϒ)=(3.2±1.3±0.3)%, ΓeeΓhadΓtot(ϒ′)=(0.55±0.11 ±0.06) keV, and M(ϒ′)−M(ϒ)=(556 ±10) MeV.
Tópico(s): Quantum Chromodynamics and Particle Interactions
1982 - Elsevier BV | Physics Letters B
H. Albrecht, R. Childers, C.W. Darden, G. Drews, H. Hasemann, E. McCliment, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, F. Selonke, E. Steinmann, R. Wurth, W. Hofmann, A. Markees, D. Wegener, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler, P. Böckmann, L. Jönsson, M. Danilov, Yu. A. Semënov, I. Tichomirov, Yu. Zaitsev,
Tópico(s): High-Energy Particle Collisions Research
1981 - Elsevier BV | Physics Letters B
R. Waldi, K. R. Schubert, K. Winter,
Tópico(s): Particle physics theoretical and experimental studies
1983 - Springer Nature | Zeitschrift für Physik C
H. Albrecht, G. Drews, G. Harder, H. Hasemann, A. Philipp, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, F. Selonke, R. Wurth, A. Drescher, B. Gräwe, U. Matthiesen, H. Scheck, J. Spengler, D. Wegener, R. Heller, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler, K. W. Edwards, W.R. Frisken, C. Fukunaga, M. Goddard, P. C. H. Kim, R. Kutschke, D. B. MacFarlane, J. A. McKenna, K. W. McLean, A. Nilsson, R. S. Orr, P. Padley, P. M. Patel, J.D. Prentice, H. Seywerd, B.J. Stacey, T.-S. Yoon, J. C. Yun, R. Ammar, D. Coppage, R. Davis, S. G. Kanekal, N. Kwak, P. Böckmann, L. Jönsson, Y. Oku, M. Danilov, V. Lubimov, V. Matveev, V. Nagovitsin, Yu. A. Semënov, V. Shevchenco, V. Soloshenko, V. Sopov, V. Ryltsov, I. Tichomirov, Yu. Zaitsev, R. Childers, C.W. Darden, H. Gennow,
Using the ARGUS detector at DORIS we have obtained evidence for a resonance which decays into an F meson and a photon. The observed mass is 2109 ± 9 ± 7 MeV, which is 144 ± 9 ± 7 MeV greater than the F meson mass. Its properties are consistent with those of the F∗ meson with JP = 1−.
Tópico(s): Quantum Chromodynamics and Particle Interactions
1984 - Elsevier BV | Physics Letters B
H. Albrecht, G. Drews, H. Hasemann, A. Philipp, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, F. Selonke, R. Wurth, A. Drescher, B. Gräwe, W. Hofmann, A. Markees, U. Matthiesen, J. Spengler, D. Wegener, R. Heller, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler, K. W. Edwards, W.R. Frisken, C. Fukunaga, M. Goddard, P. Kim, R. S. Orr, P. M. Patel, J.D. Prentice, H. Seywerd, T.-S. Yoon, R. Ammar, D. Coppage, R. Davis, N. Kwak, P. Böckmann, L. Jönsson, Y. Oku, A. Arefiev, M. Danilov, V. Lubimov, V. Matveev, V. Nagovitsin, Yu. A. Semënov, V. Shevchenco, V. Soloshenko, V. Sopov, V. Tchernyshev, I. Tichomirov, V. Tchistilin, Yu. Zaitsev, R. Childers, C.W. Darden, H. Gennow,
The reaction e+e− → ϒ′ → ϒπ+π−, with ϒ → anything, has been measured using the ARGUS detector at DORIS . We obtain a mass difference M(ϒ′) − M(ϒ) = (562 ± 3) MeV and a decay branching ratio BR(ϒ′→ϒπ+π−)=(17.9±0.9±2.1)%. The invariant mass spectrum of the π+π− system differs from phase space, but is well described by a matrix element of the form (Mππ2−λMπ2) with λ=2.6±0.5. We also report preliminary results on the exclusive decay ϒ′ → ϒπ+π−, with ϒ → e+e−, and obtain BR(ϒ → e+e−) = (2.8 ± 0.4 ± 04±0.3)%.
Tópico(s): Dark Matter and Cosmic Phenomena
1984 - Elsevier BV | Physics Letters B
D. P. Barber, Hartmut Bremer, J. Kewisch, H. C. Lewin, T. Limberg, H. Mais, G. Ripken, R. Rossmanith, R. Schmidt, F. Zwack, H. Albrecht, G. Drews, H. Hasemann, A. Phillipp, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, F. Selonke, R. Wurth, A. Drescher, B. Gräwe, W. Hofmann, A. Markees, U. Matthiesen, J. Spengler, D. Wegener, R. Heller, Klaus Schubert, J. Stiewe, R. Waldi, S. Weseler, K. W. Edwards, W.R. Frisken, C. Fukunaga, M. Goddard, P. Kim, R. S. Orr, P. M. Patel, J.D. Prentice, H. Seywerd, T.-S. Yoon, R. Ammar, D. Coppage, R. Davis, N. Kwak, P. Boeckmann, L. Jönsson, Y. Oku, A. Arefiev, M. Danilov, V. Lubimov, V. Matveev, V. Nagovitsin, Yu. A. Semënov, V. Shevchenco, V. Soloshenko, V. Sopov, V. Tchernyshew, I. Tichomirov, V. Tchistilin, Yu. Zaitsev, R. Childers, C.W. Darden, H. Gennow, C. A. Edwards, C. Peck, F. C. Porter, P. N. Ratoff, D. Aschman, I. Brock, A. Engler, R.W. Kraemer, D. Marlow, F. Messing, D. Prindle, B. Renger, C. Rippich, Z. Jakubowski, B. Niczyporuk, G. Nowak, T. Skwarnicki, J.K. Bienlein, Sara Cooper, A. Fridman, B. Gómez, T. Kloiber, W. Koch, M. Schmitz, H.J. Trost, P. Zschorsch, G. Folger, B. Lurz, U. Volland, H. Wegener, A.M. Cartacci, G. Conforto, Dario de Judicibus, B. Monteleoni, P.G. Pelfer, F.H. Heimlich, R. Lekebusch, P. Lezoch, W. Maschmann, R. Nernst, A.S. Schwarz, D. Sievers, U. Strohbusch, D. Antreasyan, J. Irion, K. Strauch, A. C. König, J. Schotanus, R.T. Van de Walle, W. Walk, D. Besset, R. Cabenda, F. Šforza, R. Cowan, D. Coyne, C. Newman-Holmes, E. D. Bloom, R. Chestnut, R. Clare, J. Gaiser, G. Godfrey, S. Leffler, W. S. Lockman, S. Lowe, K. Wacker, D. Gelphman, R. Hofstadter, I. Kirkbride, R. Lee, A. M. Litke, Tetsuo Matsui, B. Pollock, J. Tompkins, S. Keh, H. Kilian, K. Königsmann, M. Scheer, P. Schmitt,
The e+e−-storage ring DORIS II provides polarized beams with polarizations up to 80% in the energy range of the ϒ′ meson. The method of resonance depolarization allows the average beam energy to be determined to a precision of ±0.1 MeV. An energy scan of the hadronic cross section over the resonance range with the detectors ARGUS and Crystal Ball determines the ϒ′ mass to be (10023.1 ± 0.4) MeV.
Tópico(s): Particle Accelerators and Free-Electron Lasers
1984 - Elsevier BV | Physics Letters B
H. Albrecht, U. Binder, G. Harder, H. Hasemann, A. Philipp, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, R. Wurth, A. Drescher, B. Gräwe, U. Matthiesen, H. Scheck, J. Spengler, D. Wegener, R. Heller, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler, N.N. Brown, K. W. Edwards, W.R. Frisken, C. Fukunaga, D.J. Gilkinson, D. M. Gingrich, M. Goddard, P.C.H. Kim, R. Kutschke, D. B. MacFarlane, J. A. McKenna, K. W. McLean, A.W. Nilsson, R. S. Orr, P. Padley, P. M. Patel, J.D. Prentice, H. Seywerd, B.J. Stacey, T.-S. Yoon, J. C. Yun, R. Ammar, D. Coppage, R. Davis, S. G. Kanekal, N. Kwak, G. Kernel, M. Pleško, P. Böckmann, L. Jönsson, Y. Oku, M. Danilov, V. Lubimov, V. Matveev, N. Nagovitsin, V. Ryltsov, A. Semenov, V. Shevchenko, V. Soloshenko, V. Sopov, I. Tichomirov, Yu. Zaitsev, R. Childers, C.W. Darden, H. Gennow,
We have investigated the ϒ→γττ using tagged ϒ mesons from the decay ϒ'→π+π−ϒ. The photon spectrum exhibits no monochromatic line corresponding to a narrow object decaying into a τ pair and is fully compatible with the expected background contributions. The branching ratio Br(ϒ→τ+τ− is determined to be (3.07±0.46±0.22)%.
Tópico(s): Dark Matter and Cosmic Phenomena
1985 - Elsevier BV | Physics Letters B
H. Albrecht, U. Binder, G. Drews, G. Harder, H. Hasemann, A. Philipp, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, F. Selonke, R. Wurth, A. Drescher, B. Gräwe, U. Matthiesen, H. Scheck, J. Spengler, D. Wegener, R. Heller, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler, K. W. Edwards, W.R. Frisken, C. Fukunaga, M. Goddard, P.C.H. Kim, R. Kutschke, D. B. MacFarlane, J. A. McKenna, K. W. McLean, A. Nilsson, R. S. Orr, P. Padley, P. M. Patel, J.D. Prentice, H. Seywerd, B.J. Stacey, T.-S. Yoon, J. C. Yun, R. Ammar, D. Coppage, R. Davis, S. G. Kanekal, N. Kwak, P. Böckmann, L. Jönsson, Y. Oku, M. Danilov, V. Lubimov, V. Matveev, N. Nagovitsin, V. Ryltsov, Yu. A. Semënov, V. Shevchenko, V. Soloshenko, V. Sopov, I. Tichomirov, Yu. Zaitsev, R. Childers, C.W. Darden, H. Gennow,
Using the ARGUS detector at DORIS we have observed the prediction of the charged D∗ meson in e+e− annihilation at a center of mass energy of 10 GeV. The D∗ fragmentation function has been measured using the decay channels D∗+ → D0π+ and D0 → K−π+ and K−π+π+π−. We find σ·Br for the channels D0 → K−π+ and D0 → K−π+π+π− to be (23.6 ± 2.2 ± 4.7) pb and (51.0 ± 4.6 ± 15.5) pb respectively, and the ratio of branching ratios Br(D0 → K−π+π+π−)/Br(D0 → K−π+) = 2.17 ± 0.28 ± 0.23. In addition we measure the mass difference M(D∗+) − M( ...
Tópico(s): Quantum Chromodynamics and Particle Interactions
1985 - Elsevier BV | Physics Letters B
H. Albrecht, U. Binder, G. Harder, A. Philipp, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, R. Wurth, A. Drescher, B. Gräwe, U. Matthiesen, H. Scheck, J. Spengler, D. Wegener, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler, Nigel N. Brown, K. W. Edwards, W.R. Frisken, C. Fukunaga, D.J. Gilkinson, D. M. Gingrich, M. Goddard, P.C.H. Kim, R. Kutschke, D. B. MacFarlane, J. A. McKenna, K.W. McLean, A.W. Nilsson, R. S. Orr, P. Padley, P. M. Patel, J.D. Prentice, H. Seywerd, B.J. Stacey, T.-S. Yoon, J. C. Yun, R. Ammar, D. Coppage, R. Davis, S. G. Kanekal, N. Kwak, G. Kernel, M. Pleško, L. Jönsson, Y. Oku, A. Babaev, M. Danilov, A. Golutvin, V. Lubimov, V. Matveev, V. Nagovitsin, V. Ryltsov, A. Semenov, V. Shevchenko, V. Soloshenko, V. Sopov, I. Tichomirov, Yu. Zaitsev, R. Childers, C.W. Darden, H. Gennow,
Using the ARGUS detector at the e+e− storage ring DORIS II, we have measured the vτ energy spectrum in the decay π+π−π±vτ of τ leptons produced near s=10 GeV. From this energy spectrum, we derive an upper limit of m(vτ)<70MeVc2 at the 95% confidence level.
Tópico(s): Dark Matter and Cosmic Phenomena
1985 - Elsevier BV | Physics Letters B
R. Heller, T. Klinger, R. E. Salomon, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler,
The time-of-flight system of the ARGUS detector at the DORIS e+e− storage ring consists of 64 barrel scintillation counters covering 75% of 4π, and 2 × 48 end cap counters, covering 17% of 4π. The barrel counters are viewed by two phototubes each, while the end cap counters have one tube only. The time-of-flight system serves as a part of the fast trigger and identifies charged particles. The time resolution achieved during the first year of ARGUS operation is 210 ps for Bhabhas (which are used for ...
Tópico(s): Particle Detector Development and Performance
1985 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
H. Albrecht, U. Binder, G. Harder, I. Lembke-Koppitz, A. Philipp, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, R. Wurth, A. Drescher, B. Gräwe, U. Matthiesen, H. Scheck, J. Spengler, D. Wegener, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler, N.N. Brown, K. W. Edwards, W.R. Frisken, C. Fukunaga, D.J. Gilkinson, D. M. Gingrich, M. Goddard, H. Kapitza, P.C.H. Kim, R. Kutschke, D. B. MacFarlane, J. A. McKenna, K. W. McLean, A.W. Nilsson, R. S. Orr, P. Padley, P. M. Patel, J.D. Prentice, H. Seywerd, B.J. Stacey, T.-S. Yoon, J. C. Yun, R. Ammar, D. Coppage, R. Davis, S. G. Kanekal, N. Kwak, G. Kernel, M. Pleško, L. Jönsson, Y. Oku, A. Babaev, M. Danilov, A. Golutvin, V. Lubimov, V. Matveev, V. Nagovitsin, V. Ryltsov, A. Semenov, V. Shevchenko, V. Soloshenko, V. Sopov, I. Tichomirov, Yu. Zaitsev, R. Childers, C.W. Darden, H. Gennow,
The ARGUS detector at the e+e− storage ring DORIS II has been used as a pair spectrometer to study the photon transitions in the reaction ϒ(2S)→γχb(13P2,1,0). Three photon lines were observed with energies (110.6±0.3±0.9) MeV, (131.7±0.3±1.1) MeV and (162.1±0.5±1.4) MeV, respectively. The corresponding branching ratios were found to be (9.8±2.1±2.4)%, (9.1±1.8±2.2)% and (6.4±1.4±1.6)%. Upper limits for full widths at the 90% confidence limit are 1.0 MeV for the χb(13P2) and 2.6 MeV for the other two states.
Tópico(s): Nuclear physics research studies
1985 - Elsevier BV | Physics Letters B
H. Albrecht, U. Binder, G. Harder, A. Philipp, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, R. Wurth, A. Drescher, B. Gräwe, U. Matthiesen, H. Scheck, J. Spengler, D. Wegener, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler, N.N. Brown, K. W. Edwards, W.R. Frisken, C. Fukunaga, D.J. Gilkinson, D. M. Gingrich, M. Goddard, P.C.H. Kim, R. Kutschke, D. B. MacFarlane, J. A. McKenna, K. W. McLean, A.W. Nilsson, R. S. Orr, P. Padley, P. M. Patel, J.D. Prentice, H. Seywerd, B.J. Stacey, T.-S. Yoon, J. C. Yun, R. Ammar, D. Coppage, R. Davis, S. G. Kanekal, N. Kwak, G. Kernel, M. Pleško, L. Jönsson, Y. Oku, A. Babaev, M. Danilov, A. Golutvin, V. Lubimov, V. Matveev, V. Nagovitsin, V. Ryltsov, A. Semenov, V. Shevchenko, V. Soloshenko, V. Sopov, I. Tichomirov, Yu. Zaitsev, R. Childers, C.W. Darden, H. Gennow,
Using the ARGUS detector at DORIS II, we have observed a signal of 36.7±8.0 events in the decay channel D0→Ks0φ. In the same data sample, we have observed the well established decay D0→Ks0π+π−, and find the ratio, Br(D)0→Ks0φ)Br(D)0→Ks0π+π−), to be 0.186±0.052. The substantial value of (0.99±0.32±0.17)% then derived for the branching ratio for D0→K0φ gives direct evidence that W exchange contributes D0 decay.
Tópico(s): High-Energy Particle Collisions Research
1985 - Elsevier BV | Physics Letters B
H. Albrecht, U. Binder, G. Drews, G. Harder, H. Hasemann, A. Philipp, W. Schmidt‐Parzefall, H.-Ch. Schröder, H.D. Schulz, F. Selonke, R. Wurth, A. Drescher, B. Gräwe, W. Hofmann, A. Markees, U. Matthiesen, H. Scheck, J. Spengler, D. Wegener, R. Heller, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler, N.N. Brown, K. W. Edwards, W.R. Frisken, C. Fukunaga, D.J. Gilkinson, D. M. Gingrich, M. Goddard, P.C.H. Kim, R. Kutschke, D. B. MacFarlane, J. A. McKenna, K. W. McLean, A.W. Nilsson, R. S. Orr, P. Padley, P. M. Patel, J.D. Prentice, H. Seywerd, B.J. Stacey, T.-S. Yoon, J. C. Yun, R. Ammar, D. Coppage, R. Davis, S. G. Kanekal, N. Kwak, P. Böckmann, L. Jönsson, Y. Oku, M. Danilov, V. Lubinov, V. Matveev, N. Nagovitsin, V. Ryltsov, A. Semenov, Yu. A. Semënov, V. Shevchenko, V. Soloshenko, V. Sopov, I. Tichomirov, Y. Zaitsev, R. Childers, C.W. Darden, H. Gennow,
Using the ARGUS detector at DORIS, we have observed the production of F± mesons in e+e− annihilation at a centre of mass energy of 10 GeV through their subsequent decays into φπ± and φπ+π−π±. The values obtained for [R(e+e−→FX). Branching Ratio] are (1.47 ± 0.32 ± 0.20)% and (1.63 ± 0.42 ± 0.41)% respectively. The observed mass is (1973.6 ± 2.6 ± 3.0)MeVc2. The F momentum spectrum is as expected for the fragmentation of c quarks into charmed mesons, but is somewhat softer than for fragmentation into D∗ mesons. ...
Tópico(s): Quantum Chromodynamics and Particle Interactions
1985 - Elsevier BV | Physics Letters B
H. Albrecht, U. Binder, G. Harder, I. Lembke-Koppitz, A. Philipp, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, R. Wurth, A. Drescher, B. Gräwe, U. Matthiesen, H. Scheck, J. Spengler, D. Wegener, K. R. Schubert, J. Stiewe, R. Waldi, S. Weseler, N.N. Brown, K. W. Edwards, W.R. Frisken, C. Fukunaga, D.J. Gilkinson, D. M. Gingrich, M. Goddard, H. Kapitza, P.C.H. Kim, R. Kutschke, D. B. MacFarlane, J. A. McKenna, K. W. McLean, A.W. Nilsson, R. S. Orr, P. Padley, P. M. Patel, J.D. Prentice, H. Seywerd, B.J. Stacey, T.-S. Yoon, J. C. Yun, R. Ammar, D. Coppage, R. Davis, S. G. Kanekal, N. Kwak, G. Kernel, M. Pleško, L. Jönsson, Y. Oku, A. Babaev, M. Danilov, A. Golutvin, V. Lubimov, V. Matveev, V. Nagovitsin, V. Ryltsov, A. Semenov, V. Shevchenko, V. Soloshenko, V. Sopov, I. Tichomirov, Yu. Zaitsev, R. Childers, C.W. Darden, H. Gennow,
Using the ARGUS detector at the e+e− storage ring DORIS II, we have observed the colour suppressed decay B → Jψ X, with a branching ratio of (1.37+0.6−0.5)% for the mixture of charged and neutral B's produced on the ϒ(4S). From the momentum distribution of the Jψ we conclude that Br(B → Jψ X) < 0.7% (90% CL), for recoil masses, mx, less than 1 GeV/c2.
Tópico(s): High-Energy Particle Collisions Research
1985 - Elsevier BV | Physics Letters B