Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Hösgen, M."'
Autor:
Ponten, A., Sieber, H., Oberhauser, B. Banto, Crivelli, P., Kirpichnikov, D., Gninenko, S. N., Hösgen, M., Bueno, L. Molina, Mongillo, M., Zhevlakov, A.
In this study, we demonstrate the potential of the NA64 experiment at CERN SPS to search for New Physics processes involving $e\rightarrow\mu$ transitions after the collision of 100 GeV electrons with target nuclei. A new Dark Sector leptonic portal
Externí odkaz:
http://arxiv.org/abs/2404.15931
Autor:
Andreev, Yu. M., Antonov, A., Banerjee, D., Oberhauser, B. Banto, Bernhard, J., Bisio, P., Celentano, A., Charitonidis, N., Cooke, D., Crivelli, P., Depero, E., Dermenev, A. V., Donskov, S. V., Dusaev, R. R., Enik, T., Frolov, V. N., Gardikiotis, A., Gninenko, S. N., Hösgen, M., Kachanov, V. A., Kambar, Y., Karneyeu, A. E., Kekelidze, G., Ketzer, B., Kirpichnikov, D. V., Kirsanov, M. M., Kolosov, V. N., Gertsenberger, S. V., Girod, S., Kasianova, E. A., Kramarenko, V. A., Kravchuk, L. V., Krasnikov, N. V., Kuleshov, S. V., Lyubovitskij, V. E., Lysan, V., Marini, A., Marsicano, L., Matveev, V. A., Fredes, R. Mena, Yanssen, R. Mena, Bueno, L. Molina, Mongillo, M., Peshekhonov, D. V., Polyakov, V. A., Radics, B., Salamatin, K., Samoylenko, V. D., Sieber, H., Shchukin, D., Soto, O., Tikhomirov, V. O., Tlisova, I., Toropin, A. N., Tuzi, M., Ulloa, P., Volkov, P. V., Volkov, V. Yu., Voronchikhin, I. V., Zamora-Saá, J., Zhevlako, A. S.
The inclusion of an additional $U(1)$ gauge $L_\mu-L_\tau$ symmetry would release the tension between the measured and the predicted value of the anomalous muon magnetic moment: this paradigm assumes the existence of a new, light $Z^\prime$ vector bo
Externí odkaz:
http://arxiv.org/abs/2404.06982
Autor:
Andreev, Yu. M., Banerjee, D., Oberhauser, B. Banto, Bernhard, J., Bisio, P., Charitonidis, N., Crivelli, P., Depero, E., Dermenev, A. V., Donskov, S. V., Dusaev, R. R., Enik, T., Frolov, V. N., Silva, R. B. Galleguillos, Gardikiotis, A., Gertsenberger, S. V., Girod, S., Gninenko, S. N., Hoesgen, M., Kachanov, V. A., Kambar, Y., Karneyeu, A. E., Kasianova, E. A., Kekelidze, G., Ketzer, B., Kirpichnikov, D. V., Kirsanov, M. M., Kolosov, V. N., Kramarenko, V. A., Kravchuk, L. V., Krasnikov, N. V., Kuleshov, S. V., Lyubovitskij, V. E., Lysan, V., Matveev, V. A., Fredes, R. Mena, Yanssen, R. G. Mena, Bueno, L. Molina, Mongillo, M., Peshekhonov, D. V., Polyakov, V. A., Radics, B., Salamatin, K. M., Samoylenko, V. D., Shchukin, D. A., Soto, O., Sieber, H., Tikhomirov, V. O., Tlisova, I. V., Toropin, A. N., Tuzi, M., Veit, M. B., Volkov, P. V., Volkov, V. Yu., Voronchikhin, I. V., Zamora-Saa, J., Zhevlakov, A. S.
We report on a search for a new $Z'$ ($L_\mu-L_\tau$) vector boson performed at the NA64 experiment employing a high energy muon beam and a missing energy-momentum technique. Muons from the M2 beamline at the CERN Super Proton Synchrotron with a mome
Externí odkaz:
http://arxiv.org/abs/2401.01708
Autor:
Andreev, Yu. M., Banerjee, D., Oberhauser, B. Banto, Bernhard, J., Bisio, P., Bondì, M., Burtsev, V. E., Celentano, A., Charitonidis, N., Chumakov, A. G., Cooke, D., Crivelli, P., Depero, E., Dermenev, A. V., Donskov, S. V., Dusaev, R. R., Enik, T., Frolov, V. N., Gardikiotis, A., Gerassimov, S. G., Gninenko, S. N., Hösgen, M., Jeckel, M., Kachanov, V. A., Karneyeu, A. E., Kekelidze, G., Ketzer, B., Kirpichnikov, D. V., Kirsanov, M. M., Kolosov, V. N., Konorov, I. V., Kovalenko, S. G., Kramarenko, V. A., Kravchuk, L. V., Krasnikov, N. V., Kuleshov, S. V., Lyubovitskij, V. E., Lysan, V., Marsicano, L., Matveev, V. A., Mikhailov, Yu. V., Bueno, L. Molina, Peshekhonov, D. V., Polyakov, V. A., Radics, B., Rojas, R., Rubbia, A., Salamatin, K. M., Samoylenko, V. D., Sieber, H., Shchukin, D., Tikhomirov, V. O., Tlisova, I., Toropin, A. N., Trifonov, A. Yu, Ulloa, P., Vasilishin, B. I., Arenas, G. Vasquez, Volkov, P. V., Volkov, V. Yu., Voronchikhin, I.
The extension of Standard Model made by inclusion of additional $U(1)$ gauge $L_\mu-L_\tau$ symmetry can explain the difference between the measured and the predicted value of the muon magnetic moment and solve the tension in $B$ meson decays. This m
Externí odkaz:
http://arxiv.org/abs/2206.03101
Autor:
Andreev, Yu., Banerjee, D., Bernhard, J., Bondi, M., Burtsev, V., Celentano, A., Charitonidis, N., Chumakov, A., Cooke, D., Crivelli, P., Depero, E., Dermenev, A., Donskov, S., Dusaev, R., Enik, T., Feshchenko, A., Frolov, V., Gardikiotis, A., Gerassimov, S., Gninenko, S., Hoesgen, M., Jeckel, M., Kachanov, V., Karneyeu, A., Kekelidze, G., Ketzer, B., Kirpichnikov, D., Kirsanov, M., Kolosov, V., Konorov, I., Kovalenko, S., Kramarenko, V., Kravchuk, L., Krasnikov, N., Kuleshov, S., Lyubovitskij, V., Lysan, V., Marsicano, L., Matveev, V., Mikhailov, Yu., Molina, L., Peshekhonov, D., Polyakov, V., Radics, B., Rojas, R., Rubbia, A., Samoylenko, V., Sieber, H., Shchukin, D., Tikhomirov, V., Tlisova, I., Toropin, A., Trifonov, A., Ulloa, P., Vasilishin, B., Vasquez, G., Volkov, P., Volkov, V.
The current most stringent constraints for the existence of sub-GeV dark matter coupling to Standard Model via a massive vector boson $A^\prime$ were set by the NA64 experiment for the mass region $m_{A^\prime}\lesssim 250$ MeV, by analyzing data fro
Externí odkaz:
http://arxiv.org/abs/2108.04195
Autor:
Cazzaniga, C., Odagiu, P., Depero, E., Bueno, L. Molina, Andreev, Yu. M., Banerjee, D., Bernhard, J., Burtsev, V. E., Charitonidis, N., Chumakov, A. G., Cooke, D., Crivelli, P., Dermenev, A. V., Donskov, S. V., Dusaev, R. R., Enik, T., Feshchenko, A., Frolov, V. N., Gardikiotis, A., Gerassimov, S. G., Girod, S., Gninenko, S. N., Hösgen, M., Kachanov, V. A., Karneyeu, A. E., Kekelidze, G., Ketzer, B., Kirpichnikov, D. V., Kirsanov, M. M., Kolosov, V. N., Konorov, I. V., Kovalenko, S. G., Kramarenko, V. A., Kravchuk, L. V., Krasnikov, N. V., Kuleshov, S. V., Lyubovitskij, V. E., Lysan, V., Matveev, V. A., Mikhailov, Yu. V., Peshekhonov, D. V., Polyakov, V. A., Radics, B., Rojas, R., Rubbia, A., Samoylenko, V. D., Shchukin, D., Sieber, H., Tikhomirov, V. O., Tlisova, I. V., Tlisov, D. A., Toropin, A. N., Trifonov, A. Yu., Vasilishin, B. I., Arenas, G. Vasquez, Volkov, P. V., Volkov, V. Yu., Ulloa, P.
We report the results of a search for a new vector boson ($A'$) decaying into two dark matter particles $\chi_1 \chi_2$ of different mass. The heavier $\chi_2$ particle subsequently decays to $\chi_1$ and $A' \to e^- e^+$. For a sufficiently large ma
Externí odkaz:
http://arxiv.org/abs/2107.02021
Autor:
Andreev, Yu. M., Banerjee, D., Bernhard, J., Burtsev, V. E., Charitonidis, N., Chumakov, A. G., Cooke, D., Crivelli, P., Depero, E., Dermenev, A. V., Donskov, S. V., Dusaev, R. R., Enik, T., Feshchenko, A., Frolov, V. N., Gardikiotis, A., Gerassimov, S. G., Gninenko, S. N., Hoesgen, M., Jeckel, M., Kachanov, V. A., Karneyeu, A. E., Kekelidze, G., Ketzer, B., Kirpichnikov, D. V., Kirsanov, M. M., Kolosov, V. N., Konorov, I. V., Kovalenko, S. G., Kramarenko, V. A., Kravchuk, L. V., Krasnikov, N. V., Kuleshov, S. V., Lyubovitskij, V. E., Lysan, V., Matveev, V. A., Mikhailov, Yu. V., Bueno, L. Molina, Peshekhonov, D. V., Polyakov, V. A., Radics, B., Rojas, R., Rubbia, A., Samoylenko, V. D., Sieber, H., Shchukin, D., Tikhomirov, V. O., Tlisova, I., Toropin, A. N., Trifonov, A. Yu., Vasilishin, B. I., Arenas, G. Vasquez, Volkov, P. V., Volkov, V. Yu., Ulloa, P.
We report the results of a search for a light pseudoscalar particle $a$ that couples to electrons and decays to $e^+e^-$ performed using the high-energy CERN SPS H4 electron beam. If such pseudoscalar with a mass $\simeq 17$ MeV exists, it could expl
Externí odkaz:
http://arxiv.org/abs/2104.13342
Autor:
Andreev, Yu.M., Banerjee, D., Banto Oberhauser, B., Bernhard, J., Bisio, P., Bondí, M., Celentano, A., Charitonidis, N., Chumakov, A.G., Cooke, D., Crivelli, P., Depero, E., Dermenev, A.V., Donskov, S.V., Dusaev, R.R., Enik, T., Frolov, V.N., Gardikiotis, A., Gerassimov, S.G., Gninenko, S.N., Hösgen, M., Jeckel, M., Kachanov, V.A., Kambar, Y., Karneyeu, A.E., Kekelidze, G., Ketzer, B., Kirpichnikov, D.V., Kirsanov, M.M., Kolosov, V.N., Konorov, I.V., Gertsenberger, S.V., Kasianova, E.A., Kovalenko, S.G., Kramarenko, V.A., Kravchuk, L.V., Krasnikov, N.V., Kuleshov, S.V., Lyubovitskij, V.E., Lysan, V., Marini, A., Marsicano, L., Matveev, V.A., Mikhailov, Yu.V., Molina Bueno, L., Mongillo, M., Peshekhonov, D.V., Polyakov, V.A., Radics, B., Rojas, R., Salamatin, K., Samoylenko, V.D., Sieber, H., Shchukin, D., Soto, O., Tikhomirov, V.O., Tlisova, I., Toropin, A.N., Trifonov, A.Yu., Tuzi, M., Ulloa, P., Vasilishin, B.I., Vasquez Arenas, G., Volkov, P.V., Volkov, V.Yu., Voronchikhin, I.V., Zamora-Saá, J., Zhevlakov, A.S.
Publikováno v:
In Nuclear Inst. and Methods in Physics Research, A December 2023 1057
Autor:
Banerjee, D., Bernhard, J., Burtsev, V. E., Chumakov, A. G., Cooke, D., Crivelli, P., Depero, E., Dermenev, A. V., Donskov, S. V., Dusaev, R. R., Enik, T., Charitonidis, N., Feshchenko, A., Frolov, V. N., Gardikiotis, A., Gerassimov, S. G., Gninenko, S. N., Hoesgen, M., Jeckel, M., Kachanov, V. A., Karneyeu, A. E., Kekelidze, G., Ketzer, B., Kirpichnikov, D. V., Kirsanov, M. M., Kolosov, V. N., Konorov, I. V., Kovalenko, S. G., Kramarenko, V. A., Kravchuk, L. V., Krasnikov, N. V., Kuleshov, S. V., Lyubovitskij, V. E., Lysan, V., Matveev, V. A., Mikhailov, Yu. V., Bueno, L. Molina, Peshekhonov, D. V., Polyakov, V. A., Radics, B., Rojas, R., Rubbia, A., Samoylenko, V. D., Shchukin, D., Tikhomirov, V. O., Tlisova, I., Tlisov, D. A., Toropin, A. N., Trifonov, A. Yu., Vasilishin, B. I., Arenas, G. Vasquez, Volkov, P. V., Volkov, V. Yu., Ulloa, P.
Publikováno v:
Phys. Rev. D 101, 071101 (2020)
The improved results on a direct search for a new X(16.7 MeV) boson which could explain the anomalous excess of $e^+e^-$ pairs observed in the excited 8Be nucleus decays ("Berillium anomaly") are reported. Due to its coupling to electrons, the X boso
Externí odkaz:
http://arxiv.org/abs/1912.11389
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