Zobrazeno 1 - 10
of 7 108
pro vyhledávání: '"Nez F."'
Autor:
Adrich, P., Blumer, P., Caratsch, G., Chung, M., Cladé, P., Comini, P., Crivelli, P., Dalkarov, O., Debu, P., Douillet, A., Drapier, D., Froelich, P., Garroum, N., Guellati-Khelifa, S., Guyomard, J., Hervieux, P-A., Hilico, L., Indelicato, P., Jonsell, S., Karr, J-P., Kim, B., Kim, S., Kim, E-S., Ko, Y. J., Kosinski, T., Kuroda, N., Latacz, B. M., Lee, B., Lee, H., Lee, J., Lim, E., Liszkay, L., Lunney, D., Manfredi, G., Mansoulié, B., Matusiak, M., Nesvizhevsky, V., Nez, F., Niang, S., Ohayon, B., Park, K., Paul, N., Pérez, P., Regenfus, C., Reynaud, S., Roumegou, C., Roussé, J-Y., Sacquin, Y., Sadowski, G., Sarkisyan, J., Sato, M., Schmidt-Kaler, F., Staszczak, M., Szymczyk, K., Tanaka, T. A., Tuchming, B., Vallage, B., Voronin, A., van der Werf, D. P., Won, D., Wronka, S., Yamazaki, Y., Yoo, K-H., Yzombard, P.
Publikováno v:
European Physical Journal C 83, 1004 (2023)
We report on the first production of an antihydrogen beam by charge exchange of 6.1 keV antiprotons with a cloud of positronium in the GBAR experiment at CERN. The antiproton beam was delivered by the AD/ELENA facility. The positronium target was pro
Externí odkaz:
http://arxiv.org/abs/2306.15801
Autor:
Nuber, J., Adamczak, A., Ahmed, M. Abdou, Affolter, L., Amaro, F. D., Amaro, P., Carvalho, P., Chang, Y. -H., Chen, T. -L., Chen, W. -L., Fernandes, L. M. P., Ferro, M., Goeldi, D., Graf, T., Guerra, M., Hänsch, T. W., Henriques, C. A. O., Hildebrandt, M., Indelicato, P., Kara, O., Kirch, K., Knecht, A., Kottmann, F., Liu, Y. -W., Machado, J., Marszalek, M., Mano, R. D. P., Monteiro, C. M. B., Nez, F., Ouf, A., Paul, N., Pohl, R., Rapisarda, E., Santos, J. M. F. dos, Santos, J. P., Silva, P. A. O. C., Sinkunaite, L., Shy, J. -T., Schuhmann, K., Rajamohanan, S., Soter, A., Sustelo, L., Taqqu, D., Wang, L. -B., Wauters, F., Yzombard, P., Zeyen, M., Zhang, J., Antognini, A.
The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen ($\mu$p) with 1 ppm accuracy by means of pulsed laser spectroscopy. In the proposed experiment, the $\mu$p atom is excited by a laser p
Externí odkaz:
http://arxiv.org/abs/2211.08297
Autor:
Blumer, P., Charlton, M., Chung, M., Clade, P., Comini, P., Crivelli, P., Dalkarov, O., Debu, P., Dodd, L., Douillet, A., Guellati, S., Hervieux, P. -A, Hilico, L., Indelicato, P., Janka, G., Jonsell, S., Karr, J. -P., Kim, B. H., Kim, E. S., Kim, S. K., Ko, Y., Kosinski, T., Kuroda, N., Latacz, B. M., Lee, B., Lee, H., Lee, J., Leitee, A. M. M., Leveque, K., Lim, E., Liszkay, L., Lotrus, P., Lunney, D., Manfredi, G., Mansoulie, B., Matusiak, M., Mornacchi, G., Nesvizhevsky, V., Nez, F., Niang, S., Nishi, R., Ohayon, B., Park, K., Paul, N., Perez, P., Procureur, S., Radics, B., Regenfus, C., Reymond, J. -M., Reynaud, S., Rousse, J. -Y., Rousselle, O., Rubbia, A., Rzadkiewicl, J., Sacquin, Y., Schmidt-Kaler, F., Staszczak, M., Szymczyk, K., Tanaka, T., Tuchming, B., Vallage, B., Voronin, A., van der Werf, D. P., Wolf, S., Won, D., Wronka, S., Yamazaki, Y., Yoo, K. H., Yzombard, P., Baker, C. J.
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A, Volume 1040, 2022, 167263
We present a description of the GBAR positron (e+) trapping apparatus, which consists of a three stage Buffer Gas Trap (BGT) followed by a High Field Penning Trap (HFT), and discuss its performance. The overall goal of the GBAR experiment is to measu
Externí odkaz:
http://arxiv.org/abs/2205.04530
Autor:
Amaro, P., Adamczak, A., Ahmed, M. Abdou, Affolter, L., Amaro, F. D., Carvalho, P., Chen, T. -L., Fernandes, L. M. P., Ferro, M., Goeldi, D., Graf, T., Guerra, M., Hänsch, T. W., Henriques, C. A. O., Huang, Y. -C., Indelicato, P., Kara, O., Kirch, K., Knecht, A., Kottmann, F., Liu, Y. -W., Machado, J., Marszalek, M., Mano, R. D. P., Monteiro, C. M. B., Nez, F., Nuber, J., Ouf, A., Paul, N., Pohl, R., Rapisarda, E., Santos, J. M. F. dos, Santos, J. P., Silva, P. A. O. C., Sinkunaite, L., Shy, J. -T., Schuhmann, K., Rajamohanan, S., Soter, A., Sustelo, L., Taqqu, D., Wang, L. -B., Wauters, F., Yzombard, P., Zeyen, M., Antognini, A.
Publikováno v:
SciPost Phys. 13, 020 (2022)
The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen ($\mu$p) with 1 ppm accuracy by means of pulsed laser spectroscopy to determine the two-photon-exchange contribution with $2\times10^{-
Externí odkaz:
http://arxiv.org/abs/2112.00138
Autor:
Ahokas, J., Semakin, A., Järvinen, J., Hanski, O., Laptiyenko, A., Dvornichenko, V., Salonen, K., Burkley, Z., Crivelli, P., Golovizin, A., Nesvizhevsky, V., Nez, F., Yzombard, P., Widmann, E., Vasiliev, S.
We describe the design and performance of a large magnetic trap for storing and cooling of atomic hydrogen (H). The trap operates in the vacuum space of a dilution refrigerator at a temperature of 1.5 K. Aiming at a large volume of the trap we implem
Externí odkaz:
http://arxiv.org/abs/2108.09123
Autor:
Charlton, M., Choi, J. J., Chung, M., Clade, P., Comini, P., Crepin, P-P., Crivelli, P., Dalkarov, O., Debu, P., Dodd, L., Douillet, A., Guellati-Khelifa, S., Hervieux, P-A., Hilico, L., Husson, A., Indelicato, P., Janka, G., Jonsell, S., Karr, J-P., Kim, B. H., Kim, E-S., Kim, S. K., Ko, Y., Kosinski, T., Kuroda, N., Latacz, B., Lee, H., Lee, J., Leite, A. M. M., Leveque, K., Lim, E., Liszkay, L., Lotrus, P., Louvradoux, T., Lunney, D., Manfredi, G., Mansoulie, B., Matusiak, M., Mornacchi, G., Nesvizhevsky, V. V., Nez, F., Niang, S., Nishi, R., Nourbaksh, S., Park, K. H., Paul, N., Perez, P., Procureur, S., Radics, B., Regenfus, C., Rey, J-M., Reymond, J-M., Reynaud, S., Rousse, J-Y., Rousselle, O., Rubbia, A., Rzadkiewicz, J., Sacquin, Y., Schmidt-Kaler, F., Staszczak, M., Tuchming, B., Vallage, B., Voronin, A., Welker, A., van der Werf, D. P., Wolf, S., Won, D., Wronka, S., Yamazaki, Y., Yoo, K-H.
Publikováno v:
Nucl. Instrum. Methods Phys. Res. A 985, 164657 (2021)
For the GBAR (Gravitational Behaviour of Antihydrogen at Rest) experiment at CERN's Antiproton Decelerator (AD) facility we have constructed a source of slow positrons, which uses a low-energy electron linear accelerator (linac). The driver linac pro
Externí odkaz:
http://arxiv.org/abs/2006.05966
Autor:
Nesvizhevsky, V. V., Nez, F., Vasiliev, S. A., Widmann, E., Crivelli, P., Reynaud, S., Voronin, A. Yu.
Publikováno v:
Eur. Phys. J. C (2020) 80:520
Observation time is the key parameter for improving the precision of measurements of gravitational quantum states of particles levitating above a reflecting surface. We propose a new method of long confinement in such states of atoms, anti-atoms, neu
Externí odkaz:
http://arxiv.org/abs/2001.06332
Autor:
Zeyen, M., Antognini, A., Kirch, K., Knecht, A., Marszalek, M., Nez, F., Nuber, J., Pohl, R., Schulthess, I., Sinkunaite, L., Schuhmann, K.
We present a multi-pass amplifier which passively compensates for distortions of the spherical phase front occurring in the active medium. The design is based on the Fourier transform propagation which makes the output beam parameters insensitive to
Externí odkaz:
http://arxiv.org/abs/1901.03165
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Autor:
Schmidt, S., Willig, M., Haack, J., Horn, R., Adamczak, A., Ahmed, M. Abdou, Amaro, F. D., Amaro, P., Biraben, F., Carvalho, P., Chen, T. -L., Fernandes, L. M. P., Graf, T., Guerra, M., Hänsch, T. W., Hildebrandt, M., Huang, Y. -C., Indelicato, P., Julien, L., Kirch, K., Knecht, A., Kottmann, F., Krauth, J. J., Liu, Y. -W., Machado, J., Marszalek, M., Monteiro, C. M. B., Nez, F., Nuber, J., Patel, D. N., Rapisarda, E., Santos, J. M. F. dos, Santos, J. P., Silva, P. A. O. C., Sinkunaite, L., Shy, J. -T., Schuhmann, K., Schulthess, I., Taqqu, D., Veloso, J. F. C. A., Wang, L. -B., Zeyen, M., Antognini, A., Pohl, R.
Precision spectroscopy of light muonic atoms provides unique information about the atomic and nuclear structure of these systems and thus represents a way to access fundamental interactions, properties and constants. One application comprises the det
Externí odkaz:
http://arxiv.org/abs/1808.07240