Zobrazeno 1 - 10
of 75
pro vyhledávání: '"M. Kahrau"'
Autor:
A. Kozlov, Glen A. Warren, P. Bartsch, J. Sanner, D. Baumann, M. Ding, Ronald Ransome, G. Rosner, K. W. Krygier, Michael Seimetz, Ingo Sick, S. Grözinger, Klemen Bohinc, M. Kahrau, Achim Richter, M. Weis, D. Elsner, O. Strähle, R. Geiges, Justin I. McIntyre, R. Neuhausen, F. Klein, N. Clawiter, U. Müller, I. Ewald, X. Q. Wu, P. König, S. Derber, Th. Walcher, A. Wagner, J.M. Friedrich, M. Hamdorf, P. Jennewein, R. Böhm, S. Hedicke, Th. Pospischil, S. Malov, A. Süle, P. Merle, M. Potokar, E. A. J. M. Offermann, A. Liesenfeld, H. Schmieden, Harald Merkel, J. Jourdan, H. Kramer, J. Lac, M. O. Distler
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 483:726-733
Large-area horizontal drift chambers have been built for use in a proton polarimeter. A gas mixture of 20% argon and 80% ethane is used. The left–right assignment is achieved by measuring the difference of the signals induced on neighboring potenti
Autor:
Glen A. Warren, T. Petitjean, P. Bartsch, Ingo Sick, H. Schmieden, J.M. Friedrich, I. Ewald, Harald Merkel, Ch. Normand, J. Jourdan, D. Baumann, M. O. Distler, Klemen Bohinc, G. Rosner, G. Kubon, U. Mueller, Simon Širca, M. Hauger, M. Weis, M. ZeierJ. Zhao, W.U. Boeglin, R. Boehm, P. Jennewein, C. Carasco, P. Trueb, H. Woehrle, Daniela Rohe, Th. Pospischil, H. Anklin, K. W. Krygier, A. Wagner, A. Honegger, R. Neuhausen, Th. Walcher, B. Zihlmann, M. Potokar, A. Liesenfeld, M. Kahrau
Publikováno v:
Physics Letters B. 524:26-32
Precise data on the neutron magnetic form factor G_{mn} have been obtained with measurements of the ratio of cross sections of D(e,e'n) and D(e,e'p) up to momentum transfers of Q^2 = 0.9 (GeV/c)^2. Data with typical uncertainties of 1.5% are presente
Autor:
I. Ewald, Justin I. McIntyre, R. D. Ransome, Glen A. Warren, U. Müller, H. Schmieden, Th. Walcher, J.M. Friedrich, Michael Seimetz, Ingo Sick, D. Baumann, Harald Merkel, G. Rosner, Daniela Rohe, F. Klein, P. Bartsch, A. Wagner, J. Lac, Klemen Bohinc, S. Hedicke, M. O. Distler, M. Kahrau, P. Merle, R. Böhm, S. S. Kamalov, S. Širca, M. Ding, M. Weis, D. Elsner, A. Süle, R. Geiges, J. Bermuth, M. Potokar, L. Tiator, S. Derber, P. Jennewein, K. W. Krygier, Th. Pospischil, R. Neuhausen, A. Liesenfeld, Dieter Drechsel
Publikováno v:
Physical Review Letters. 86:2959-2962
The recoil proton polarization has been measured in the $p(\stackrel{\ensuremath{\rightarrow}}{e}{,e}^{\ensuremath{'}}\stackrel{\ensuremath{\rightarrow}}{p}){\ensuremath{\pi}}^{0}$ reaction in parallel kinematics around $W\phantom{\rule{0ex}{0ex}}=\p
Autor:
Aron M. Bernstein, H. Schmieden, J.M. Friedrich, M. Kahrau, K. W. Krygier, J. M. Friedrich, Simon Širca, U. Müller, A. Wagner, Harald Merkel, Thomas Pospischil, D. Baumann, M. O. Distler, R. Neuhausen, I. Ewald, Thomas Walcher, A. Kozlov, Michael Kohl, R. Böhm, Klemen Bohinc, M. M. Pavan, P. Merle, N. Clawiter, M. Weis, M. Ding, P. Bartsch, G. Rosner, Daniela Rohe, S. Derber, J. Bermuth, M. Potokar, A. Liesenfeld
Publikováno v:
Physics Letters B. 499:238-244
First data on coherent threshold \pi^0 electroproduction from the deuteron taken by the A1 Collaboration at the Mainz Microtron MAMI are presented. At a four-momentum transfer of q^2=-0.1 GeV^2/c^2 the full solid angle was covered up to a center-of-m
Autor:
M. Mühlbauer, A. Liesenfeld, T. Großmann, S. Buttazzoni, T. Petitjean, M. Kohl, A. Ebbes, U. Müller, M. Ebert, M. O. Distler, Simon Širca, Th. Walcher, Klemen Bohinc, K. Merle, J. Bermuth, P. Merle, Daniela Rohe, Ingo Sick, N. Clawiter, A. Wagner, M. Hauger, E. W. Otten, I. Ewald, P. Jennewein, J.M. Friedrich, M. Kahrau, P. Bartsch, G. Kubon, K. W. Krygier, M. Zeier, M. Ding, J. Jourdan, R. Geiges, Jürgen Becker, T. Caprano, M. Potokar, R. Surkau, R. Böhm, M. Weis, H. Schmieden, R. Neuhausen, S. Derber, Harald Merkel, H. Wöhrle, Glen A. Warren, D. Baumann, G. Rosner, W. Heil, A. Klein, Th. Pospischil, A. Honegger, A. Deninger
Publikováno v:
Physical Review Letters. 83:4257-4260
We have measured the neutron electric form factor ${G}_{\mathrm{en}}$ via ${}^{3}\stackrel{\ensuremath{\rightarrow}}{\mathrm{He}}(\stackrel{\ensuremath{\rightarrow}}{e}{,e}^{\ensuremath{'}}n)\mathrm{pp}$ at ${Q}^{2}\phantom{\rule{0ex}{0ex}}=\phantom{
Autor:
A. Liesenfeld, A.W. Richter, S. Širca, K.I. Blomqvist, W.U. Boeglin, K. Bohinc, R. Böhm, M. Distler, D. Drechsel, R. Edelhoff, I. Ewald, J. Friedrich, J.M. Friedrich, R. Geiges, M. Kahrau, M. Korn, K.W. Krygier, V. Kunde, H. Merkel, K. Merle, U. Müller, R. Neuhausen, T. Pospischil, M. Potokar, A. Rokavec, G. Rosner, P. Sauer, S. Schardt, H. Schmieden, L. Tiator, B. Vodenik, A. Wagner, Th. Walcher, S. Wolf
Publikováno v:
Physics Letters B. 468:20-27
The reaction p(e,e'pi+)n was measured at the Mainz Microtron MAMI at an invariant mass of W=1125 MeV and four-momentum transfers of Q^2=0.117, 0.195 and 0.273 (GeV/c)^2. For each value of Q^2, a Rosenbluth separation of the transverse and longitudina
Autor:
M. Kahrau, J. P. Chen, Jing Zhao, Th. Walcher, J. A. Templon, J.M. Friedrich, R. Geiges, G. Rosner, Achim Richter, D. J. Margaziotis, R. E. J. Florizone, P. Bartsch, William Bertozzi, U. Müller, R. Böhm, Klemen Bohinc, K. Merle, Konrad Aniol, E. A. J. M. Offermann, I. Ewald, K. W. Krygier, A. Wagner, W.U. Boeglin, M. O. Distler, M. B. Epstein, Simon Širca, Z. L. Zhou, D. S. Dale, R. Neuhausen, Th. Pospischil, S.P. Van Verst, G. Schrieder, P. Jennewein, A. J. Sarty, Shalev Gilad, M. Kuss, M. Potokar, H. Schmieden, A. Liesenfeld, Harald Merkel
Publikováno v:
Physical Review Letters. 83:2308-2311
Precision studies of the reaction [sup 3]He( e,thinspe[sup [prime]]p) using the three-spectrometer facility at the Mainz microtron MAMI are presented. All data are for quasielastic kinematics at [vert bar][rvec q][vert bar]=685 MeV/c . Absolute cross
Autor:
P. Bartsch, J.E. Ducret, I. Ewald, Ch. Hyde-Wright, P. Vernin, G. Quemener, R. Geiges, R. Van de Vyver, G. Tamas, Marc Vanderhaeghen, A. Wagner, P. Merle, N. d'Hose, O. Ravel, R. Edelhoff, P.Y. Bertin, J. Van de Wiele, M. Kahrau, Vincent Breton, J.M. Friedrich, J. Martino, J. Roche, H. Kramer, Th. Gousset, E. A. J. M. Offermann, W.U. Boeglin, D. Lhuillier, G. Rosner, T. Caprano, A. Liesenfeld, P.A.M. Guichon, P. Sauer, S. Derber, N. Degrande, M. O. Distler, R. Böhm, K. Merle, H. Holvoet, P. Jennewein, V. Kunde, Y. Roblin, J. Berthot, G. De Meyer, C. Marchand, S. Kerhoas, D. Marchand, J. Y. Mougey, B. Lannoy, Th. Pospischil, H. Schmieden, Michael Tytgat, Harald Merkel, H. Fonvieille, Th. Walcher, L. Van Hoorebeke, S. Schardt, Dirk Ryckbosch, K. W. Krygier, R. Neuhausen, S. Wolf, M. Korn
Publikováno v:
Nuclear Physics A. 654:547c-551c
We have measured the absolute unpolarized cross sections for photon electro-production off the proton ep → epγ with the Three-Spectrometer-Setup at MAMI at a momentum transfer q=600 MeV/c and a virtual photon polarization ɛ=0.62. The momentum q
Autor:
J.M. Friedrich, M. O. Distler, A. Kozlov, M. Weis, M. Kahrau, U. Müller, M. Ding, Daniela Rohe, S. Derber, N. Clawiter, R. Neuhausen, S. Wolf, Simon Širca, K. W. Krygier, D. Bosnar, Th. Pospischil, P. Jennewein, P. Bartsch, D. Baumann, R. Böhm, I. Ewald, G. Rosner, A. Wagner, Klemen Bohinc, J. Bermuth, M. Potokar, M. Kuss, A. Ebbes, M. Kohl, Thomas Walcher, P. Merle, A. Liesenfeld, H. Schmieden, Harald Merkel
Publikováno v:
The European Physical Journal A. 4:209-216
The reaction 12C(e,e'Δ0)11C →12C(e,e'pπ−)11C was investigated at the Mainz Microtron MAMI in a triple coincidence measurement using the three spectrometer setup of the A1 Collaboration. The good missing mass resolution of σm= 0.27 MeV/c2 allow
Autor:
T. Petitjean, S. Schardt, Ingo Sick, J.M. Friedrich, L. J. deBever, M. Potokar, A. Wagner, Achim Richter, J. Zhao, P. Jennewein, M. O. Distler, H. Anklin, G. Masson, P. Trueb, R. Böhm, Th. Walcher, K.W. Krygier, W.U. Boeglin, J. Jourdan, H. Kramer, P. Sauer, M. Zeier, A. Rokavec, K. Merle, L.M. Qin, M. Tuccillo, R. Geiges, M. Kahrau, S. Sirca, A. Honegger, J. Götz, G. Kubon, R. Edelhoff, Glen A. Warren, K. I. Blomqvist, G. Rosner, Th. Pospischil, E. A. J. M. Offermann, A. Liesenfeld, V. Kunde, B. Zihlmann, B. Vodenik, D. Fritschi, R. Neuhausen, S. Wolf, M. Korn
Publikováno v:
Physics Letters B. 428:248-253
The neutron magnetic form factor Gmn has been determined via a measurement of the ratio of cross sections D(e,e′n) and D(e,e′p). The absolute detection efficiency of the neutron detector was measured with high accuracy using tagged neutrons produ