PEN experiment: a precise measurement of the pi+ -> e+ nu decay branching fraction (2009)
Pocanic, PEN Collaboration: D., Alonzi, L. P., Baranov, V. A., Bertl, W., Bychkov, M., Bystritsky, Yu. M., ...
A new measurement of $B_{\pi e2}$, the $\pi^+ \to e^+\nu(\gamma)$ decay branching ratio, is currently under way at the Paul Scherrer Institute. The present experimental result on $B_{\pi e2}$...
PEN: a sensitive search for non-(V-A) weak processes (2009)
Pocanic, PEN Collaboration: D., Alonzi, L. P., Baranov, V. A., Bertl, W., Bychkov, M., Bystritsky, Yu. M., ...
A new measurement of $B_{\pi e2}$, the $\pi^+ \to e^+\nu(\gamma)$ decay branching ratio, is currently under way at the Paul Scherrer Institute. The present experimental result on $B_{\pi e2}$...
Precise Measurement of pi+ -> e+ nu Branching Ratio (2008)
Frlež, E., Alonzi, L. P., Baranov, V. A., Bertl, W., Bychkov, M., Bystritsky, Yu. M., ...
The PEN Collaboration is conducting a new measurement of the pi+ -> e+ nu branching ratio at the Paul Scherrer Institute, with the goal uncertainty of delta B/B(pie2)=5E-4 or lower. At present, the...
New Precise Measurement of the Pion Weak Form Factors in the Pi+ -> e+ nu gamma Decay (2008)
Bychkov, M., Počanić, D., VanDevender, B. A., Baranov, V. A., Bertl, W., Bystritsky, Yu. M., ...
We have measured the radiative pion decay branching ratio over a wide region of phase space, based on a total of 65,460 events acquired using the PIBETA detector. Fits to the measured energy...
Review of particle physics (2008)
Particle Data Group, Amsler, C, Doser, M, Antonelli, M, Asner, DM, Babu, KS, ...
Increased Sensitivity to Possible Muonium to Antimuonium Conversion (2007)
V. Meyer, A. Grossmann, K. Jungmann, J. Merkel, G. Zu Putlitz, I. Reinhard, ...
. A new experimental search for muonium-antimuonium conversion was conducted at the Paul Scherrer Institute, Villigen, Switzerland. The preliminary analysis yielded one event fulfilling all required...
Results from Searching for Muonium to Antimuonium Conversion (2007)
K. Jungmann, A. Grossmann, J. Merkel, V. Meyer, G. Zu Putlitz, I. Reinhard, ...
= ¯ \Gamma e + ) would violate additive lepton number conservation by two units and is of interest particularly to e.g. leftright symmetric 1;2 , supersymmetric 3;4 and GUT 5;6;7 models. At the Paul...
CMS Barrel Pixel Detector Overview (2007)
Kästli, H. Chr., Bertl, W., Erdmann, W., Gabathuler, K., Hörmann, Ch., Horisberger, R., ...
The pixel detector is the innermost tracking device of the CMS experiment at the LHC. It is built from two independent sub devices, the pixel barrel and the end disks. The barrel consists of three...
CMS physics technical design report, volume II: Physics performance (2007)
Bayatian, G. L., Chatrchyan, S., Hmayakyan, G., Sirunyan, A. M., Adam, W., Bergauer, T., ...
CMS is a general purpose experiment, designed to study the physics of pp collisions at 14 TeV at the Large Hadron Collider ( LHC). It currently involves more than 2000 physicists from more than 150...
Feasibility of Intercalibration of CMS ECAL Supermodules with Cosmic Rays (2005)
Bertl, W, Deiters, K, Ingram, Q, Renker, D, Sakhelashvili, T M, Frlez, E
The feasibility of using cosmic rays to make an intercalibration of the ECAL Supermodules before installation in CMS has been investigated. In a test with a single crystal a clear signal with a width...
The effect of highly ionising particles on the CMS silicon strip tracker (2005)
Adam, W., Bergauer, T., Friedl, M., Fruehwirth, R., Hrubec, J., Krammer, M., ...
Inelastic nuclear collisions of hadrons incident on silicon sensors can generate secondary highly ionising particles (HIPs) and deposit as much energy within the sensor bulk as several hundred...
The effect of highly ionising particles on the CMS silicon strip tracker (2005)
Adam, W., Bergauer, T., Friedl, M., Fruehwirth, R., Hrubec, J., Krammer, M., ...
Inelastic nuclear collisions of hadrons incident on silicon sensors can generate secondary highly ionising particles (HIPs) and deposit as much energy within the sensor bulk as several hundred...
The effect of highly ionising particles on the CMS silicon strip tracker (2005)
Adam, W., Bergauer, T., Friedl, M., Fruehwirth, R., Hrubec, J., Krammer, M., ...
Inelastic nuclear collisions of hadrons incident on silicon sensors can generate secondary highly ionising particles (HIPs) and deposit as much energy within the sensor bulk as several hundred...
The effect of highly ionising particles on the CMS silicon strip tracker (2005)
Adam, W., Bergauer, T., Friedl, M., Fruehwirth, R., Hrubec, J., Krammer, M., ...
Inelastic nuclear collisions of hadrons incident on silicon sensors can generate secondary highly ionising particles (HIPs) and deposit as much energy within the sensor bulk as several hundred...
Precise Measurement of the Pion Axial Form Factor in the Pi+ -> e+ nu gamma Decay (2003)
Frlez, E., Pocanic, D., Baranov, V. A., Bertl, W., Bychkov, M., Khomutov, N. V., ...
We have studied radiative pion decays Pi+ -> e+ nu gamma in three broad kinematic regions using the PIBETA detector and a stopped pion beam. Based on Dalitz distributions of 42,209 events we have...
Precise Measurement of the Pi+ -> Pi0 e+ nu Branching Ratio (2003)
Pocanic, D., Frlez, E., Baranov, V. A., Bertl, W., Broennimann, C., Bychkov, M., ...
Using a large acceptance calorimeter and a stopped pion beam we have made a precise measurement of the rare Pi+ -> Pi0 e+ Nu,(pi_beta) decay branching ratio. We have evaluated the branching ratio by...
Design, Commissioning and Performance of the PIBETA Detector at PSI (2003)
Frlez, E., Pocanic, D., Assamagan, K. A., Bagaturia, Yu., Baranov, V. A., Bertl, W., ...
We describe the design, construction and performance of the PIBETA detector built for the precise measurement of the branching ratio of pion beta decay, pi+ -> pi0 e+ nu, at the Paul Scherrer...
CMS : the TriDAS Project Technical Design Report; v.1, the Trigger Systems (2000)
L. Bayatyan, G., Grigorian, N., G. Khachatrian, V., T. Margarian, A., M. Sirunyan, A., Adam, W., ...
CMS : the TriDAS Project Technical Design Report; v.1, the Trigger Systems (2000)
L. Bayatyan, G., Grigorian, N., G. Khachatrian, V., T. Margarian, A., M. Sirunyan, A., Adam, W., ...
New Bounds from Searching for Muonium to Antimuonium Conversion (1998)
Willmann, L., Schmidt, P. V., Wirtz, H. P., Abela, R., Baranov, V., Bagaturia, J., ...
A new upper limit for the probability of spontaneous muonium to antimuonium conversion was established at ${\rm P_{M\bar{M}}} \leq 8.2 \cdot 10^{-11}$ (90%C.L.) in 0.1~T magnetic field, which implies...
Improved upper limit on Muonium to Antimuonium Conversion (1998)
Abela, R., Bagaturia, J., Bertl, W., Engfer, R., Von Weikersthal, B. Fischer, Grossmann, A., ...
A new experiment has been set up at the Paul Scherrer Institut to search for muonium to antimuonium conversion. No event was found to fulfil the requested signature which consists of the coincident...
Increased Sensitivity to Possible Muonium to Antimuonium Conversion (1998)
Meyer, V., Grossmann, A., Jungmann, K., Merkel, J., Putlitz, G. Zu, Reinhard, I., ...
A new experimental search for muonium-antimuonium conversion was conducted at the Paul Scherrer Institute, Villigen, Switzerland. The preliminary analysis yielded one event fulfilling all required...
Results from Searching for Muonium to Antimuonium Conversion (1998)
Jungmann, K., Grossmann, A., Merkel, J., Meyer, V., Putlitz, G. Zu, Reinhard, I., ...
A new result from searching for muonium to antimuonium conversion is reported which sets an upper limit on the coupling constant in an assumed $(V-A) \times (V-A)$ type interaction of $G_{M\bar{M}}...
Radiative Muon Capture on Hydrogen and the Induced Pseudoscalar Coupling (1996)
Jonkmans, G., Ahmad, S., Armstrong, D. S., Azuelos, G., Bertl, W., Blecher, M., ...
The first measurement of the elementary process $\mu^- p \rightarrow \nu_{\mu} n \gamma$ is reported. A photon pair spectrometer was used to measure the partial branching ratio ($2.10 \pm 0.22)...
Observation of radiative muon capture on the proton (1994)
Depommier, P, Armstrong, D S, Azuelos, Georges, Bertl, W, Blecher, M, Chen, C Q, ...
Radiative muon capture on the proton (1994)
Jonkmans, G, Armstrong, D S, Azuelos, Georges, Bertl, W, Blecher, M, Chen, C Q, ...
Measurement of the induced pseudoscalar coupling via radiative muon capture on hydrogen (1994)
Hasinoff, M D, Chen, C Q, Gumplinger, P, Larabee, A J, Saettler, E, Sample, D G, ...