Zobrazeno 1 - 10
of 83
pro vyhledávání: '"M. Schepkin"'
Autor:
M. Schepkin, Yu.A. Batusov, G. B. Pontecorvo, T. Blokhintseva, G. Piragino, F. Balestra, M.P. Bussa
Publikováno v:
Radiation Measurements. 43:S219-S223
The invariant-mass spectra of the pp π - and pp systems produced in the double charge exchange (DCX) of positively charged pions on photoemulsion are analysed. A pronounced peak is observed in the pp π - invariant-mass spectrum, while the M pp spec
Autor:
S. Baginyan, V. I. Pryanichnikov, M. Schepkin, I. A. Belolaptikov, G. B. Pontecorvo, V. Lyashenkov, Yu.A. Batusov, E. Lodi Rizzini, V.V. Ivanov, A. Maggiora, I. Gnesi, Vladimir Frolov, V.A. Panyushkin, A. Grasso, I. Smirnova, N.S. Angelov, T. Blokhintseva, M. Maggiora, D. Panzieri, L. Venturelli, N.A. Russakovich, Andrea Ferrero, A.M. Rozhdestvensky, F. Balestra, V. M. Grebenyuk, V.A. Butenko, A. Kirilov, A. Bonyushkina, L. Fava, V.A. Drozdov, V.E. Kovalenko, A. Moiseenko, Andrea Bianconi, A. Dem’yanov, Gianfranco Zosi, M.L. Colantoni, M. Chiosso, B. Parsamyan, R. Garfagnini, G. Piragino
Publikováno v:
The European Physical Journal A. 34:255-269
π-4He interactions at 106MeV, with two secondary charged particles in the final state, have been studied using a self-shunted streamer chamber in a 0.65T magnetic field and equipped with two CCD videocameras for obtaining digitized stereo-images of
Autor:
L. Ferrero, E. M. Andreev, Andrea Ferrero, A.M. Rozhdestvensky, V. M. Grebenyuk, M. Maggiora, L. Fava, V. Frolov, R. Garfagnini, L. Busso, V.E. Kovalenko, A. Dem’yanov, V.A. Butenko, F. Tosello, N. Angelov, A. Moiseenko, G. B. Pontecorvo, L. A. Kondratyuk, A. Yu. Bonyushkina, T. Blokhintseva, I. A. Belolaptikov, A. Maggiora, V. I. Lyashenko, M.L. Colantoni, A. Kirilov, Yu.A. Batusov, G. Piragino, Gianfranco Zosi, F. Balestra, N.A. Russakovich, I.V. Falomkin, A Manara, V. I. Pryanichnikov, M.P. Bussa, A. Grasso, V. I. Prikhod’ko, S. Baginyan, M. Schepkin, V.A. Drozdov, V.A. Panyushkin, O. V. Savchenko, V.V. Ivanov
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 489:99-113
A description is presented of the detector system (a self-shunted streamer chamber in a magnetic field, equipped with two CCD video cameras) developed by the DUBTO collaboration for studying pion interactions with light nuclei at the JINR phasotron.
Autor:
M. Kotulla, J. Ahrens, V. Hejny, M. Schepkin, J. C. McGeorge, Th. Walcher, R. Bilger, R. W. Novotny, H. Clement, A. Schmidt, I. Seluzhenkov, Matthias Wolf, V. Metag, V. Olmos de León, J. R. M. Annand, U. Siodlaczek, F. Wissmann, R. Beck, H. J. Arends, F. Rambo, J. Weiß, P. Achenbach, V. Kuhr, G. J. Wagner, R. Leukel, H. Ströher, B. Krusche
Publikováno v:
The European Physical Journal A. 10:365-371
Differential cross-sections for the reactions d(gamma,pi (o))d and d(gamma,pi (o))pn have been measured at MAMI with the TAPS detector setup in the energy range 140 MeV > E- > 306 MeV. By use of the Glasgow tagging spectrometer an 0.8 MeV energy reso
Autor:
J. Weiß, B. Krusche, M. Kotulla, Matthias Wolf, M. Schepkin, G. J. Wagner, V. Olmos de León, F. Rambo, A. Schmidt, H. Ströher, R. W. Novotny, J. Ahrens, V. Metag, V. Hejny, Patrick Achenbach, H. Clement, Martin Schumacher, F. Wissmann, R. Beck, H. J. Arends, V. Kuhr, U. Siodlaczek, Th. Walcher, R. Bilger, R. Leukel
Publikováno v:
Nuclear Physics A. :428c-431c
Coherent and incoherent pi(0) photoproduction off the deuteron has been measured for incident quasi-monoenergetic photons in the energy range from pi(0) threshold up to 300 MeV using the TAPS setup together with the Glasgow tagger at MAMI. Integral a
Autor:
J. Gräter, H. Clement, A. G. Denig, J. Pätzold, D. Schapler, G. J. Wagner, R. Bilger, M. Schepkin, K. Föhl, W. Kluge, R. Meier
Publikováno v:
Physics Letters B. 443:77-81
The reaction 7Li(π+,π−)7B has been measured at incident pion energies of 30–90 MeV. 7Li constitutes the lightest target nucleus, where the pionic charge exchange may proceed as a binary reaction to a discrete final state. Like in the Δ-resonan
Autor:
M. Kermani, P. Hong, Pierre-Andre Amaudruz, R. Meier, E. L. Mathie, O. Patarakin, G. J. Wagner, Geoffrey Smith, J. Clark, E. Friedman, F. Bonutti, G. J. Hofman, G. Tagliente, M. E. Sevior, J. Gräter, N. Grion, L. Felawka, D.F. Ottewell, H. Clement, R. Tacik, M. Schepkin, Paolo Camerini, Rinaldo Rui, A. Ambardar, R. Bilger
Publikováno v:
Physical Review C. 58:1576-1586
The total cross section of the ${}^{4}\mathrm{He}({\ensuremath{\pi}}^{+},{\ensuremath{\pi}}^{\ensuremath{-}})$ reaction was measured for ${\ensuremath{\pi}}^{+}$ kinetic energies ranging from 70 to 130 MeV using the CHAOS spectrometer at TRIUMF and a
Autor:
R. Meier, G. J. Wagner, K. Föhl, O. Wilhelm, A. G. Denig, W. Kluge, M. Schepkin, J. Pätzold, R. Bilger, J. Gräter, H. Clement
Publikováno v:
Physics Letters B. 428:18-22
The reaction 93 Nb( π + , π − ) 93 Te has been measured in the energy range T π =30–60 MeV at various scattering angles. At all energies the groundstate transition could be observed, whereas the transition to the double isobaric analog state h
Autor:
R. Meier, E. Friedman, N. Grion, F. Bonutti, J. Gräter, G. R. Smith, E. L. Mathie, D.F. Ottewell, G. Tagliente, G. J. Hofman, Paolo Camerini, M. Schepkin, J. Clark, M. E. Sevior, H. Clement, M. Kermani, P. Hong, R. Bilger, O. Patarakin, R. Tacik, G. J. Wagner, L. Felawka, Rinaldo Rui, A. Ambardar, Pierre-Andre Amaudruz
Publikováno v:
Physics Letters B. 420:37-42
Using the CHAOS spectrometer at TRIUMF the total cross sections and outgoing pion momentum distributions for the 4 He( π + , π − ) reaction were measured for π + kinetic energies from 70 to 130 MeV. At energies around 100 MeV the total cross sec
Autor:
J. Pätzold, Rafael Abela, O. Wilhelm, M. Schepkin, H. Clement, D. Schapler, K. Föhl, G. J. Wagner, R. Wieser, R. Meier, F. Foroughi, W. Kluge, J. Gräter, Dieter Renker, R. Bilger
Publikováno v:
Physical Review Letters. 79:3849-3852
The $({\ensuremath{\pi}}^{+},{\ensuremath{\pi}}^{\ensuremath{-}})$ reaction on the isoscalar, doubly magic nuclei ${}^{16}\mathrm{O}$ and ${}^{40}\mathrm{Ca}$ has been measured in the energy range ${T}_{\ensuremath{\pi}}\phantom{\rule{0ex}{0ex}}=\pha