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Kjell Fransson

Bio: Kjell Fransson is an academic researcher from Uppsala University. The author has contributed to research in topics: Meson & Pion. The author has an hindex of 36, co-authored 178 publications receiving 4056 citations. Previous affiliations of Kjell Fransson include Forschungszentrum Jülich & University of Bonn.


Papers
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Journal ArticleDOI
TL;DR: The DELPHI detector as discussed by the authors is a 4π detector with emphasis on particle identification, three-dimensional information, high granularity and precise vertex determination, which is used at the large electron positron collider (LEP) at CERN.
Abstract: DELPHI is a 4π detector with emphasis on particle identification, three-dimensional information, high granularity and precise vertex determination. The design criteria, the construction of the detector and the performance during the first year of operation at the large electron positron collider (LEP) at CERN are described.

419 citations

Journal ArticleDOI
Patrik Adlarson1, C. Adolph, W. Augustyniak, Vadim Baru, M. Bashkanov, Tomasz Bednarski, F. S. Bergmann, M. Berłowski, Himani Bhatt, K.-T. Brinkmann, M. Buescher, Hans Calén, H. Clement, D. Coderre, Eryk Czerwiński, E. Doroshkevich, C. Ekström, R. Engels, W. Erven, W. Eyrich, P. Fedorets, K. Foehl, Kjell Fransson, Frank Goldenbaum, P. Goslawski, K. Grigoryev, V. Grishina, Carl-Oscar Gullström, J. Hampe, Christoph Hanhart, Lena Heijkenskjöld, V. Hejny, F. Hinterberger, M. Hodana, Bo Höistad, Marek Jacewicz, Michał Janusz, A. Jany, Benedykt R. Jany, L. Jarczyk, Tord Johansson, B. Kamys, Günter Kemmerling, O. Khakimova, A. Khoukaz, Stanisław Kistryn, J. Klaja, Harald Kleines, B. Kłos, F. Kren, Wojciech Krzemien, P. Kulessa, Sven Kullander, Andrzej Kupsc, K. Lalwani, B. Lorentz, A. Magiera, R. Maier, Pavel Marciniewski, B. Mariański, M. Mikirtychiants, Paweł Moskal, H. P. Morsch, Basanta Kumar Nandi, Szymon Niedzwiecki, H. Ohm, Annika Passfeld, C. Pauly, E. Perez del Rio, Y. Petukhov, N.M. Piskunov, Pawel Plucinski, P. Podkopał, A. Povtoreyko, D. Prasuhn, A. Pricking, K. Pysz, T. Rausmann, C. F. Redmer, James Ritman, Ankhi Roy, Roger Ruber, Zbigniew Rudy, S. Sawant, S. Schadmand, Alexander Schmidt, W. Schroeder, T. Sefzick, V. Serdyuk, N. Shah, M. Siemaszko, R. Siudak, T. Skorodko, Magdalena Skurzok, Jerzy Smyrski, V. Sopov, Rolf Stassen, J. Stepaniak, G. Sterzenbach, Hans Stockhorst, H. Stroeher, Antoni Szczurek, A. Taeschner, T. Tolba, A. Trzciński, R. Varma, P. Vlasov, G. J. Wagner, W. Węglorz, A. Winnemoeller, Andreas Wirzba, M. Wolke, Aleksandra Wrońska, P. Wuestner, P. Wurm, X. Yuan, L. Yurev, J. Zabierowski, C. Zheng, Marcin Zieliński, W. Zipper, Jozef Zlomanczuk, P. Zupranski 
TL;DR: An exclusive and kinematically complete high-statistics measurement of the basic double-pionic fusion reaction pn→dπ( 0)π(0) over the full energy region of the ABC effect reveals a pronounced low-mass enhancement in the ππ-invariant mass spectrum.
Abstract: We report on an exclusive and kinematically complete high-statistics measurement of the basic double-pionic fusion reaction pn -> d pi(0)pi(0) over the full energy region of the ABC effect, a pr ...

194 citations

Journal ArticleDOI
TL;DR: The first exclusive and kinematically complete measurements of the most basic double-pionic fusion reaction pn-->dpi; {0}pi;{0} at beam energies of 1.03 and 1.35 GeV reveal the ABC effect to be a (pipi)_{I=L=0} channel phenomenon associated with both a resonancelike energy dependence in the integral cross section and the formation of a DeltaDelta system in the intermediate state.
Abstract: The ABC effect-a puzzling low-mass enhancement in the pi pi invariant mass spectrum, first observed by Abashian, Booth, and Crowe-is well known from inclusive measurements of two-pion production in ...

164 citations

Journal ArticleDOI
P. Adlarson1, W. Augustyniak, W. Bardan2, M. Bashkanov3, F. S. Bergmann4, M. Berłowski, H. Bhatt5, M. Buescher6, M. Buescher7, Hans Calén1, Izabela Ciepał2, H. Clement3, D. Coderre7, D. Coderre8, Eryk Czerwiński2, K. Demmich4, E. Doroshkevich3, Ralf Engels7, A. Erven7, W. Erven7, W. Eyrich9, P. Fedorets7, K. Foehl10, Kjell Fransson1, Frank Goldenbaum7, P. Goslawski4, A. Goswami7, A. Goswami5, K. Grigoryev11, K. Grigoryev12, K. Grigoryev7, C.-O. Gullström1, F. Hauenstein9, Lena Heijkenskjöld1, V. Hejny7, M. Hodana2, Bo Höistad1, N. Huesken4, A. Jany2, Benedykt R. Jany2, L. Jarczyk2, Tord Johansson1, B. Kamys2, Günter Kemmerling7, Ferdous Khan7, A. Khoukaz4, Di. Kirillov13, Stanisław Kistryn2, Harald Kleines7, B. Kłos14, M. Krapp9, Wojciech Krzemien2, P. Kulessa15, Andrzej Kupsc1, K. Lalwani5, D. Lersch7, B. Lorentz7, A. Magiera2, R. Maier7, Pawel Marciniewski1, B. Mariański, M. Mikirtychiants, H. P. Morsch, Paweł Moskal2, H. Ohm7, I. Ozerianska2, E. Perez del Rio3, N.M. Piskunov13, P. Podkopał2, D. Prasuhn7, A. Pricking3, D. Pszczel1, K. Pysz15, A. Pyszniak2, A. Pyszniak1, C. F. Redmer1, James Ritman8, James Ritman7, Anubhab Roy5, Zbigniew Rudy2, S. Sawant7, S. Sawant5, S. Schadmand7, T. Sefzick7, V. Serdyuk7, R. Siudak15, T. Skorodko3, Magdalena Skurzok2, Jerzy Smyrski2, V. Sopov, R. Stassen7, J. Stepaniak, E. Stephan14, G. Sterzenbach7, H. Stockhorst7, H. Stroeher7, Antoni Szczurek15, A. Taeschner4, A. Trzciński, R. Varma5, G. J. Wagner3, M. Wolke1, Aleksandra Wrońska2, P. Wuestner7, P. Wurm7, Akira Yamamoto16, L. Yurev13, J. Zabierowski, Marcin Zieliński2, A. Zink9, Jozef Zlomanczuk1, P. Zupranski, Maria Zurek7, Ron L. Workman17, W. J. Briscoe17, I. I. Strakovsky17, Said Data Anal Ctr 
TL;DR: In this article, high-statistics measurements of quasifree polarized (n) over right arrowp scattering have been performed in the energy region of the narrow resonancelike struct...
Abstract: Exclusive and kinematically complete high-statistics measurements of quasifree polarized (n) over right arrowp scattering have been performed in the energy region of the narrow resonancelike struct ...

162 citations

Journal ArticleDOI
P. Aarnio1, P. Abreu, Wolfgang Adam, P. Adrianos2  +556 moreInstitutions (31)
TL;DR: The first measurements of the mass and width of the Z 0 at the DELPHI Collaboration at the LEP Collider were presented in this article, where the authors derived the measurements from the multihadronic final states produced in e + e − annihilations at several energies around the 0 mass.

147 citations


Cited by
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Journal ArticleDOI
TL;DR: The Compact Muon Solenoid (CMS) detector at the Large Hadron Collider (LHC) at CERN as mentioned in this paper was designed to study proton-proton (and lead-lead) collisions at a centre-of-mass energy of 14 TeV (5.5 TeV nucleon-nucleon) and at luminosities up to 10(34)cm(-2)s(-1)
Abstract: The Compact Muon Solenoid (CMS) detector is described. The detector operates at the Large Hadron Collider (LHC) at CERN. It was conceived to study proton-proton (and lead-lead) collisions at a centre-of-mass energy of 14 TeV (5.5 TeV nucleon-nucleon) and at luminosities up to 10(34)cm(-2)s(-1) (10(27)cm(-2)s(-1)). At the core of the CMS detector sits a high-magnetic-field and large-bore superconducting solenoid surrounding an all-silicon pixel and strip tracker, a lead-tungstate scintillating-crystals electromagnetic calorimeter, and a brass-scintillator sampling hadron calorimeter. The iron yoke of the flux-return is instrumented with four stations of muon detectors covering most of the 4 pi solid angle. Forward sampling calorimeters extend the pseudo-rapidity coverage to high values (vertical bar eta vertical bar <= 5) assuring very good hermeticity. The overall dimensions of the CMS detector are a length of 21.6 m, a diameter of 14.6 m and a total weight of 12500 t.

5,193 citations

Journal ArticleDOI
TL;DR: In this article, the nuclear forces can be derived using effective chiral Lagrangians consistent with the symmetries of QCD, and the status of the calculations for two and three nucleon forces and their applications in few-nucleon systems are reviewed.
Abstract: Nuclear forces can be systematically derived using effective chiral Lagrangians consistent with the symmetries of QCD. I review the status of the calculations for two- and three-nucleon forces and their applications in few-nucleon systems. I also address issues like the quark mass dependence of the nuclear forces and resonance saturation for four-nucleon operators.

1,455 citations

Journal ArticleDOI
TL;DR: In this paper, the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP are reported.

1,381 citations

Journal ArticleDOI
André Holzner1
TL;DR: The results of the searches for the Higgs boson made by the 4 LEP experiments in data between 161 and 172GeV are presented in this paper, which gives an improved mass limit of 77GeV/c2.

1,325 citations

Journal ArticleDOI
TL;DR: In this paper, the DELPHI Collaboration data was used to show that in the minimal non-supersymmetric standard model with one Higgs doublet a single unification point is excluded by more than 7 standard deviations.

1,114 citations