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1. MoEDAL search in the CMS beam pipe for magnetic monopoles produced via the Schwinger effect

Author

Acharya, B., Alexandre, J., Behera, S. C., Benes, P., Bergmann, B., Bertolucci, S., Bevan, A., Brancaccio, R., Branzas, H., Burian, P., Campbell, M., Cecchini, S., Cho, Y. M., de Montigny, M., De Roeck, A., Ellis, J. R., Fairbairn, M., Felea, D., Frank, M., Gould, O., Hays, J., Hirt, A. M., Ho, D. L. -J., Hung, P. Q., Janecek, J., Kalliokoski, M., Lacarrere, D. H., Leroy, C., Levi, G., Margiotta, A., Maselek, R., Maulik, A., Mauri, N., Mavromatos, N. E., Millward, L., Mitsou, V. A., Musumeci, E., Ostrovskiy, I., Ouimet, P. -P., Papavassiliou, J., Patrizii, L., Pavalas, G. E., Pinfold, J. L., Popa, L. A., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Sakurai, K., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Staelens, M., Suk, M., Tenti, M., Togo, V., Tuszynski, J. A., Upreti, A., Vento, V., and Vives, O.

Subjects
Nuclear Experiment, High Energy Physics - Experiment
Abstract

We report on a search for magnetic monopoles (MMs) produced in ultraperipheral Pb--Pb collisions during Run-1 of the LHC. The beam pipe surrounding the interaction region of the CMS experiment was exposed to 184.07 \textmu b$^{-1}$ of Pb--Pb collisions at 2.76 TeV center-of-mass energy per collision in December 2011, before being removed in 2013. It was scanned by the MoEDAL experiment using a SQUID magnetometer to search for trapped MMs. No MM signal was observed. The two distinctive features of this search are the use of a trapping volume very close to the collision point and ultra-high magnetic fields generated during the heavy-ion run that could produce MMs via the Schwinger effect. These two advantages allowed setting the first reliable, world-leading mass limits on MMs with high magnetic charge. In particular, the established limits are the strongest available in the range between 2 and 45 Dirac units, excluding MMs with masses of up to 80 GeV at 95\% confidence level., Comment: As accepted by PRL. 7 pages, 4 figures

Published
2024
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2. Search for Highly-Ionizing Particles in pp Collisions at the LHC's Run-1 Using the Prototype MoEDAL Detector

Author

Acharya, B., Alexandre, J., Benes, P., Bergmann, B., Bertolucci, S., Bevan, A., Bhattacharya, R., Branzas, H., Burian, P., Campbell, M., Cecchini, S., Cho, Y. M., de Montigny, M., De Roeck, A., Ellis, J. R., Sawy, M. El, Fairbairn, M., Felea, D., Frank, M., Hays, J., Hirt, A. M., Hung, P. Q., Janecek, J., Kalliokoski, M., Korzenev, A., Lacarrère, D. H., Leroy, C., Levi, G., Lionti, A., Margiotta, A., Maselek, R., Maulik, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mieskolainen, M., Millward, L., Mitsou, V. A., Orava, R., Ostrovskiy, I., Ouimet, P. -P., Papavassiliou, J., Parker, B., Patrizii, L., Pavalas, G. E., Pinfold, J. L., Popa, L. A., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Sakurai, K., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Staelens, M., Suk, M., Tenti, M., Togo, V., Tuszynski, J. A., Upreti, A., Vento, V., and Vives, O.

Subjects
High Energy Physics - Experiment
Abstract

A search for highly electrically charged objects (HECOs) and magnetic monopoles is presented using 2.2 fb-1 of p - p collision data taken at a centre of mass energy (ECM) of 8 TeV by the MoEDAL detector during LHC's Run-1. The data were collected using MoEDAL's prototype Nuclear Track Detector array and the Trapping Detector array. The results are interpreted in terms of Drell-Yan pair production of stable HECO and monopole pairs with three spin hypotheses (0, 1/2 and 1). The search provides constraints on the direct production of magnetic monopoles carrying one to four Dirac magnetic charges (4gD) and with mass limits ranging from 590 GeV/c^2 to 1 TeV/c^2. Additionally, mass limits are placed on HECOs with charge in the range 10e to 180e, where e is the charge of an electron, for masses between 30 GeV/c^2 and 1 TeV/c^2.

Published
2021
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3. First experimental search for production of magnetic monopoles via the Schwinger mechanism

Author

Acharya, B., Alexandre, J., Benes, P., Bergmann, B., Bertolucci, S., Bevan, A., Branzas, H., Burian, P., Campbell, M., Cho, Y. M., de Montigny, M., De Roeck, A., Ellis, J. R., Sawy, M. El, Fairbairn, M., Felea, D., Frank, M., Gould, O., Hays, J., Hirt, A. M., Ho, D. L. J., Hung, P. Q., Janecek, J., Kalliokoski, M., Korzenev, A., Lacarrère, D. H., Leroy, C., Levi, G., Lionti, A., Maulik, A., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Millward, L., Mitsou, V. A., Ostrovskiy, I., Ouimet, P. -P., Papavassiliou, J., Parker, B., Patrizii, L., Păvălaş, G. E., Pinfold, J. L., Popa, L. A., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Staelens, M., Suk, M., Tenti, M., Togo, V., Tuszyński, J. A., Upreti, A., Vento, V., and Vives, O.

Subjects
High Energy Physics - Experiment, High Energy Physics - Phenomenology
Abstract

Schwinger showed that electrically-charged particles can be produced in a strong electric field by quantum tunnelling through the Coulomb barrier. By electromagnetic duality, if magnetic monopoles (MMs) exist, they would be produced by the same mechanism in a sufficiently strong magnetic field. Unique advantages of the Schwinger mechanism are that its rate can be calculated using semiclassical techniques without relying on perturbation theory, and the finite MM size and strong MM-photon coupling are expected to enhance their production. Pb-Pb heavy-ion collisions at the LHC produce the strongest known magnetic fields in the current Universe, and this article presents the first search for MM production by the Schwinger mechanism. It was conducted by the MoEDAL experiment during the 5.02 TeV/nucleon heavy-ion run at the LHC in November 2018, during which the MoEDAL trapping detectors (MMTs) were exposed to 0.235 nb$^{-1}$ of Pb-Pb collisions. The MMTs were scanned for the presence of magnetic charge using a SQUID magnetometer. MMs with Dirac charges 1$g_D$ $\leq$ $g$ $\leq$ 3$g_D$ and masses up to 75 GeV/c$^2$ were excluded by the analysis. This provides the first lower mass limit for finite-size MMs from a collider search and significantly extends previous mass bounds., Comment: Minor fixes to the authorship list found during production

Published
2021
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4. First search for dyons with the full MoEDAL trapping detector in 13 TeV pp collisions

Author

Acharya, B., Alexandre, J., Benes, P., Bergmann, B., Bernabeu, J., Bevan, A., Branzas, H., Burian, P., Campbell, M., Cecchini, S., Cho, Y. M., de Montigny, M., De Roeck, A., Ellis, J. R., Sawy, M. El, Fairbairn, M., Felea, D., Frank, M., Hays, J., Hirt, A. M., Janecek, J., Kalliokoski, M., Korzenev, A., Lacarrere, D. H., Leroy, C., Levi, G., Lionti, A., Mamuzic, J., Maulik, A., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mieskolainen, M., Millward, L., Mitsou, V. A., Orava, R., Ostrovskiy, I., Ouimet, P. -P., Papavassiliou, J., Parker, B., Patrizii, L., Pavalas, G. E., Pinfold, J. L., Popa, L. A., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Staelens, M., Suk, M., Tenti, M., Togo, V., Tuszynski, J. A., Upreti, A., Vento, V., Vives, O., and Wall, A.

Subjects
High Energy Physics - Experiment, High Energy Physics - Phenomenology
Abstract

The MoEDAL trapping detector, consists of approximately 800 kg of aluminium volumes. It was exposed during Run-2 of the LHC program to 6.46 fb^-1 of 13 TeV proton-proton collisions at the LHCb interaction point. Evidence for dyons (particles with electric and magnetic charge) captured in the trapping detector was sought by passing the aluminium volumes comprising the detector through a SQUID magnetometer. The presence of a trapped dyon would be signalled by a persistent current induced in the SQUID magnetometer. On the basis of a Drell-Yan production model, we exclude dyons with a magnetic charge ranging up to 5 Dirac charges, and an electric charge up to 200 times the fundamental electric charge for mass limits in the range 790 - 3130 GeV., Comment: arXiv admin note: text overlap with arXiv:1903.08491

Published
2020
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5. Magnetic monopole search with the full MoEDAL trapping detector in 13 TeV $pp$ collisions interpreted in photon-fusion and Drell-Yan production

Author

MoEDAL Collaboration, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabéu, J., Bevan, A., Branzas, H., Campbell, M., Cecchini, S., Cho, Y. M., de Montigny, M., De Roeck, A., Ellis, J. R., Sawy, M. El, Fairbairn, M., Felea, D., Frank, M., Hays, J., Hirt, A. M., Janecek, J., Kim, D. -W., Korzenev, A., Lacarrère, D. H., Lee, S. C., Leroy, C., Levi, G., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mieskolainen, M., Millward, L., Mitsou, V. A., Orava, R., Ostrovskiy, I., Papavassiliou, J., Parker, B., Patrizii, L., Păvălaş, G. E., Pinfold, J. L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Staelens, M., Suk, M., Tenti, M., Togo, V., Tuszyński, J. A., Vento, V., Vives, O., Vykydal, Z., Wall, A., and Zgura, I. S.

Subjects
High Energy Physics - Experiment, High Energy Physics - Phenomenology
Abstract

MoEDAL is designed to identify new physics in the form of stable or pseudostable highly ionizing particles produced in high-energy Large Hadron Collider (LHC) collisions. Here we update our previous search for magnetic monopoles in Run 2 using the full trapping detector with almost four times more material and almost twice more integrated luminosity. For the first time at the LHC, the data were interpreted in terms of photon-fusion monopole direct production in addition to the Drell-Yan-like mechanism. The MoEDAL trapping detector, consisting of 794 kg of aluminum samples installed in the forward and lateral regions, was exposed to 4.0 fb$^{-1}$ of 13 TeV proton-proton collisions at the LHCb interaction point and analyzed by searching for induced persistent currents after passage through a superconducting magnetometer. Magnetic charges equal to or above the Dirac charge are excluded in all samples. Monopole spins 0, 1/2 and 1 are considered and both velocity-independent and -dependent couplings are assumed. This search provides the best current laboratory constraints for monopoles with magnetic charges ranging from two to five times the Dirac charge., Comment: 7 pages REVTeX 4, 11 figures, 1 table, matches published version in Physical Review Letters

Published
2019
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6. Search for magnetic monopoles with the MoEDAL forward trapping detector in 2.11 fb$^{-1}$ of 13 TeV proton-proton collisions at the LHC

Author

MoEDAL Collaboration, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabéu, J., Bevan, A., Branzas, H., Campbell, M., Caramete, L., Cecchini, S., de Montigny, M., De Roeck, A., Ellis, J. R., Fairbairn, M., Felea, D., Frank, M., Frekers, D., Garcia, C., Hays, J., Hirt, A. M., Janecek, J., Kim, D. -W., Kinoshita, K., Korzenev, A., Lacarrère, D. H., Lee, S. C., Leroy, C., Levi, G., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mitsou, V. A., Orava, R., Ostrovskiy, I., Parker, B., Patrizii, L., Păvălaş, G. E., Pinfold, J. L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Srivastava, Y. N., Suk, M., Swain, J., Tenti, M., Togo, V., Tuszyński, J. A., Vento, V., Vives, O., Vykydal, Z., Widom, A., Willems, G., Yoon, J. H., and Zgura, I. S.

Subjects
High Energy Physics - Experiment, High Energy Physics - Phenomenology
Abstract

We update our previous search for trapped magnetic monopoles in LHC Run 2 using nearly six times more integrated luminosity and including additional models for the interpretation of the data. The MoEDAL forward trapping detector, comprising 222~kg of aluminium samples, was exposed to 2.11~fb$^{-1}$ of 13 TeV proton-proton collisions near the LHCb interaction point and analysed by searching for induced persistent currents after passage through a superconducting magnetometer. Magnetic charges equal to the Dirac charge or above are excluded in all samples. The results are interpreted in Drell-Yan production models for monopoles with spins 0, 1/2 and 1: in addition to standard point-like couplings, we also consider couplings with momentum-dependent form factors. The search provides the best current laboratory constraints for monopoles with magnetic charges ranging from two to five times the Dirac charge., Comment: 8 pages, 5 figures, 1 table, accepted for publication in Phys. Lett. B

Published
2017
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7. Search for magnetic monopoles produced via the Schwinger mechanism

Author

Acharya, B., Alexandre, J., Benes, P., Bergmann, B., Bertolucci, S., Bevan, A., Branzas, H., Burian, P., Campbell, M., Cho, Y. M., de Montigny, M., De Roeck, A., Ellis, J. R., Sawy, M. El, Fairbairn, M., Felea, D., Frank, M., Gould, O., Hays, J., Hirt, A. M., Ho, D. L.-J., Hung, P. Q., Janecek, J., Kalliokoski, M., Korzenev, A., Lacarrère, D. H., Leroy, C., Levi, G., Lionti, A., Maulik, A., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Millward, L., Mitsou, V. A., Ostrovskiy, I., Ouimet, P.-P., Papavassiliou, J., Parker, B., Patrizii, L., Păvălaş, G. E., Pinfold, J. L., Popa, L. A., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Staelens, M., Suk, M., Tenti, M., Togo, V., Tuszyn’ski, J. A., Upreti, A., Vento, V., and Vives, O.

Published
2022
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8. Search for magnetic monopoles with the MoEDAL forward trapping detector in 13 TeV proton-proton collisions at the LHC

Author

MoEDAL Collaboration, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabéu, J., Branzas, H., Campbell, M., Caramete, L., Cecchini, S., de Montigny, M., De Roeck, A., Ellis, J. R., Fairbairn, M., Felea, D., Flores, J., Frank, M., Frekers, D., Garcia, C., Hirt, A. M., Janecek, J., Kalliokoski, M., Katre, A., Kim, D. -W., Kinoshita, K., Korzenev, A., Lacarrère, D. H., Lee, S. C., Leroy, C., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mitsou, V. A., Orava, R., Parker, B., Pasqualini, L., Patrizii, L., Păvălaş, G. E., Pinfold, J. L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Srivastava, Y. N., Suk, M., Swain, J., Tenti, M., Togo, V., Tuszyński, J. A., Vento, V., Vives, O., Vykydal, Z., Whyntie, T., Widom, A., Willems, G., Yoon, J. H., and Zgura, I. S.

Subjects
High Energy Physics - Experiment, High Energy Physics - Phenomenology
Abstract

MoEDAL is designed to identify new physics in the form of long-lived highly-ionising particles produced in high-energy LHC collisions. Its arrays of plastic nuclear-track detectors and aluminium trapping volumes provide two independent passive detection techniques. We present here the results of a first search for magnetic monopole production in 13 TeV proton-proton collisions using the trapping technique, extending a previous publication with 8 TeV data during LHC run-1. A total of 222 kg of MoEDAL trapping detector samples was exposed in the forward region and analysed by searching for induced persistent currents after passage through a superconducting magnetometer. Magnetic charges exceeding half the Dirac charge are excluded in all samples and limits are placed for the first time on the production of magnetic monopoles in 13 TeV $pp$ collisions. The search probes mass ranges previously inaccessible to collider experiments for up to five times the Dirac charge., Comment: 6 pages, 1 table, 2 figures, accepted for publication in Phys. Rev. Lett

Published
2016
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9. Search for highly-ionizing particles in pp collisions at the LHC’s Run-1 using the prototype MoEDAL detector

Author

Acharya, B., Alexandre, J., Benes, P., Bergmann, B., Bertolucci, S., Bevan, A., Bhattacharyya, R., Branzas, H., Burian, P., Campbell, M., Cecchini, S., Cho, Y. M., de Montigny, M., De Roeck, A., Ellis, J. R., El Sawy, M., Fairbairn, M., Felea, D., Frank, M., Hays, J., Hirt, A. M., Hung, P. Q., Janecek, J., Kalliokoski, M., Korzenev, A., Lacarrére, D. H., Leroy, C., Levi, G., Lionti, A., Margiotta, A., Maselek, R., Maulik, A., Mauri, N., Mavromatos, N. E., Musumeci, E., Mieskolainen, M., Millward, L., Mitsou, V. A., Orava, R., Ostrovskiy, I., Ouimet, P.-P., Papavassiliou, J., Parker, B., Patrizii, L., Păvălaş, G. E., Pinfold, J. L., Popa, L. A., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., Ruiz de Austri, R., Sahnoun, Z., Sakellariadou, M., Sakurai, K., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Staelens, M., Suk, M., Tenti, M., Togo, V., Tuszyński, J. A., Upreti, A., Vento, V., and Vives, O.

Published
2022
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10. Relationship between cognitive reserve, brain volume, and neuropsychological performance in amnestic and nonamnestic MCI.

Author

Reiter, K., Butts, A. M., Janecek, J. K., Correro, A. N., Nencka, A., Agarwal, M., Franczak, M., and Glass Umfleet, L.

Subjects
MILD cognitive impairment, MULTIPLE comparisons (Statistics), PATHOLOGY, NEUROPSYCHOLOGICAL tests, GRAY matter (Nerve tissue), VISUAL learning
Abstract

Cognitive Reserve (CR) is a theoretical construct that influences the onset and course of cognitive and structural changes that occur with aging and mild cognitive impairment (MCI). There is a paucity of research that examines the relationship of CR and brain volumes in amnestic (aMCI) and nonamnestic (naMCI) separately. This study is a retrospective chart review of MCI patients who underwent neuropsychological evaluation and brain MRI with NeuroReader™ (NR). NR is an FDA-cleared software that standardizes MRI volumes to a control sample. Classifications of aMCI and naMCI were based on Petersen criteria. CR was measured as education, occupation, and word reading. Data analysis included bivariate correlations between CR, neuropsychological test scores, and NR-brain volumes by MCI subtype. The Benjamini–Hochberg method corrected for multiple comparisons. The sample included 91 participants with aMCI and 41 with naMCI. Within naMCI, positive correlations were observed between CR and whole brain volume, total gray matter, bifrontal, left parietal, left occipital, and bilateral cerebellum. Within aMCI, no significant correlations were observed between CR and brain volumes. Positive correlations with CR were observed in language, attention, and visual learning in both aMCI and naMCI groups. The current study adds to the minimal literature on CR and naMCI. Results revealed that CR is associated with volumetrics in naMCI only, though cognitive findings were similar in both MCI groups. Possible explanations include heterogeneous disease pathologies, disease stage, or a differential influence of CR on volumetrics in MCI. Additional longitudinal and biomarker studies will better elucidate this relationship. [ABSTRACT FROM AUTHOR]

Published
2023
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12. MoEDAL-MAPP, an LHC Dedicated Detector Search Facility

Author

Acharya, B., Alexandre, J., Benes, P., Bergmann, B., Bertolucci, S., Bevan, A., Branzas, H., Burian, P., Campbell, M., Cecchini, S., Cho, Y.M., de Montigny, M., De Roeck, A., Ellis, J.R., Sawy, M. El, Fairbairn, M., Felea, D., Frank, M., Hays, J., Hirt, A.M., Hung, P.Q., Janecek, J., Kalliokoski, M., Korzenev, A., Lacarrere, D.H., Leroy, C., Levi, G., Lionti, A., Margiotta, A., lek, R. Mase, Maulik, A., Mauri, N., Mavromatos, N.E., Mieskolainen, M., Millward, L., Mitsou, V.A., Musumeci, E., Orava, R., Ostrovskiy, I., Ouimet, P.-P., Papavassiliou, J., Patrizii, L., P˘av˘ala¸s, G.E., Pinfold, J.L., Popa, L.A., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Sakurai, K., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Staelens, M., Suk, M., Tenti, M., Togo, V., Tuszy´nski, J.A., Upreti, A., Vento, V., and Vives, O.

Subjects
High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), hep-ex, FOS: Physical sciences, hep-ph, Particle Physics - Experiment, High Energy Physics - Experiment, Particle Physics - Phenomenology
Abstract

During LHC's Run-2 the MoEDAL experiment, the LHC's first dedicated search experiment, took over 6 fb^-1 of data at IP8, with p-p and Pb-Pb collisions, operating with 100% efficiency. The LHCC has endorsed the LoI of the MoEDAL Collaboration describing an exciting program to expand the search for Highly Ionizing Particles (HIPs) in p-p and heavy-ion collisions to include feebly ionizing and Long Lived Particle (LLP) messengers of new physics (NP) at LHC's RUN-3 and eventually HL-LHC. In 2021, as part of Phase-1 of the program, the baseline MoEDAL detector was approved by CERN for reinstallation for Run-3 with increased efficiency, lower threshold, a factor of 5 increase in instantaneous luminosity, and, a higher Ecm. MoEDAL will continue the search for HIP avatars of NP with an emphasis on the search for massive, single and multiply electrically charged avatars of BSM physics arising from, eg, supersymmetry, neutrino mass models, L-R symmetry, etc. As part of Phase-1 of the MoEDAL-MAPP project CERN also approved in 2021 the installation of the MoEDAL Apparatus for Penetrating Particles (MAPP) in the UA83 tunnel 100m away from IP8. The MAPP detector has sensitivity to feebly-interacting particles with charge, or effective charge, as low as 10^-3e. Additionally, the MAPP detector, in conjunction with MoEDAL's trapping detector, gives us a unique sensitivity to charged LLPs. MAPP also has some sensitivity to neutral LLPs. In Phase-2 of the project we will instal the MAPP-2 upgrade for the HL-LHC. We envisage that this detector will be deployed in the UGC1 gallery near to IP8. This phase of the experiment is designed to ensure that MoEDAL-MAPP's sensitivity to neutral LLP messengers of BSM physics is competitive and complementary to other planned projects in this arena. Initial MoEDAL plans for the MEDICI facility at the 100 TeV FCC-hh machine will also be briefly presented., Comment: Contribution to Snowmass 2021

Published
2022
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13. A miniaturized radiation monitor for continuous dosimetry and particle identification in space

Author

Gohl, St., primary, Malich, M., additional, Bergmann, B., additional, Burian, P., additional, Granja, C., additional, Heijne, E., additional, Holik, M., additional, Jacubek, J., additional, Janecek, J., additional, Marek, L., additional, Oancea, C., additional, Petro, M., additional, Pospisil, S., additional, Smetana, A., additional, Soukup, P., additional, Turecek, D., additional, and Vuolo, M., additional

Published
2022
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14. MoEDAL Run-3 Technical Proposal

Author

Acharya, B, Alexandre, J, Benes, P, Bergmann, B, Bernabeu, J, Bevan, A, Branzas, H, Burian, P, Campbell, M, Cecchini, S, Cho, Y-M, de Montigny, M, de Roeck, A, Ellis, J R, Fairbairn, M, Felea, D, Frank, M, Hays, J, Hirt, A M, Hung, P Q, Janecek, J, Kalliokoski, M, Lacarerre, D, Leroy, C, Levi, G, Lionti, A, Mamuzik, J, Maulik, A, Margiotta, A, Mauri, N, Mavromatos, N E, Mermod, P, Mieskolainen, M, Millward, M L, Mitsou, V A, Moss, G, Oravo, R, Ostrovskiy, I, Ouimet, P P, Papavassilou, J, Parker, B, Patrizii, L, Pavalas, G E, Pinfold, J L, Popa, L A, Popa, V, Pozzato, M, Pospisil, S, Rajantie, A, Ruiz de Austi, R, Salazar Lobos, A, Sahnoun, Z, Sakellariadou, M, Santra, A, Sarkar, S, Semenoff, G, Shaa, A, Sirri, G, Sliwa, K, Soluk, R, Spurio, M, Staelens, M, Suk, M, Tenti, M, Togo, V, Tuszynski, J A, Upreti, A, Vento, V, and Vives, O

Subjects
Detectors and Experimental Techniques
Abstract

During LHC’s Run-2 the MoEDAL experiment took 6.7 inv. fb of data at a centre-of-mass energy (Ecm) of 13 TeV with 100% efficiency. However, this was well short of the requested 10 inv. fb. In order to continue to push the search for highly ionizing avatars of new physics with the existing MoEDAL detector to higher Ecm (14 TeV) and significantly higher luminosity the MoEDAL Collaboration is requesting to take data as part of the LHC’s Run-3 program. This Technical Design Report is focused on the MoEDAL Program for Run-3 that involves the reinstallation of the MoEDAL Run-2 detector with minor changes required to improve the detector efficiency as well as adapt the detector for an upgraded LHCb-VELO region.

Published
2021

15. Magnetic Monopole Search with the Full MoEDAL Trapping Detector in 13 TeV pp Collisions Interpreted in Photon-Fusion and Drell-Yan Production

Author

MoEDAL Collaboration, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernab��u, J., Bevan, A., Branzas, H., Campbell, M., Cecchini, S., Cho, Y. M., de Montigny, M., De Roeck, A., Ellis, J. R., Sawy, M. El, Fairbairn, M., Felea, D., Frank, M., Hays, J., Hirt, A. M., Janecek, J., Kim, D. -W., Korzenev, A., Lacarr��re, D. H., Lee, S. C., Leroy, C., Levi, G., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mieskolainen, M., Millward, L., Mitsou, V. A., Orava, R., Ostrovskiy, I., Papavassiliou, J., Parker, B., Patrizii, L., P��v��la��, G. E., Pinfold, J. L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Staelens, M., Suk, M., Tenti, M., Togo, V., Tuszy��ski, J. A., Vento, V., Vives, O., Vykydal, Z., Wall, A., Zgura, I. S., Doctoral Programme in Particle Physics and Universe Sciences, Helsinki Institute of Physics, European Commission, Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Generalitat Valenciana, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabéu, J., Bevan, A., Branzas, H., Campbell, M., Cecchini, S., Cho, Y. M., de Montigny, M., De Roeck, A., Ellis, J. R., El Sawy, M., Fairbairn, M., Felea, D., Frank, M., Hays, J., Hirt, A. M., Janecek, J., Kim, D.-W., Korzenev, A., Lacarrère, D. H., Lee, S. C., Leroy, C., Levi, G., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mieskolainen, M., Millward, L., Mitsou, V. A., Orava, R., Ostrovskiy, I., Papavassiliou, J., Parker, B., Patrizii, L., Păvălaş, G. E., Pinfold, J. L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., Ruiz de Austri, R., Sahnoun, Z., Sakellariadou, M., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Staelens, M., Suk, M., Tenti, M., Togo, V., Tuszyński, J. A., Vento, V., Vives, O., Vykydal, Z., Wall, A., Zgura, I. S., Korzenev, Alexander, Lionti, Anthony Eric, and Mermod, Philippe

Subjects
General Physics, Photon, Physics beyond the Standard Model, Physics, Multidisciplinary, Magnetic monopole, General Physics and Astronomy, FOS: Physical sciences, ddc:500.2, 7. Clean energy, 01 natural sciences, 114 Physical sciences, MoEDAL Collaboration, 09 Engineering, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), STOPPING-POWER, 0103 physical sciences, 010306 general physics, PROTON COLLISIONS, 01 Mathematical Sciences, Particle Physics - Phenomenology, Physics, Large Hadron Collider, Luminosity (scattering theory), Science & Technology, 02 Physical Sciences, Interaction point, hep-ex, Dirac (video compression format), Charge (physics), hep-ph, High Energy Physics - Phenomenology, Physical Sciences, LHC, Particle Physics - Experiment
Abstract

MoEDAL is designed to identify new physics in the form of stable or pseudostable highly ionizing particles produced in high-energy Large Hadron Collider (LHC) collisions. Here we update our previous search for magnetic monopoles in Run 2 using the full trapping detector with almost four times more material and almost twice more integrated luminosity. For the first time at the LHC, the data were interpreted in terms of photon-fusion monopole direct production in addition to the Drell-Yan-like mechanism. The MoEDAL trapping detector, consisting of 794 kg of aluminum samples installed in the forward and lateral regions, was exposed to 4.0 fb$^{-1}$ of 13 TeV proton-proton collisions at the LHCb interaction point and analyzed by searching for induced persistent currents after passage through a superconducting magnetometer. Magnetic charges equal to or above the Dirac charge are excluded in all samples. Monopole spins 0, 1/2 and 1 are considered and both velocity-independent and -dependent couplings are assumed. This search provides the best current laboratory constraints for monopoles with magnetic charges ranging from two to five times the Dirac charge., Comment: 7 pages REVTeX 4, 11 figures, 1 table, matches published version in Physical Review Letters

Published
2019

16. Search for magnetic monopoles with the MoEDAL forward trapping detector in 2.11 fb−1 of 13 TeV proton–proton collisions at the LHC

Author

Acharya, B, Alexandre, J, Baines, S, Benes, P, Bergmann, B, Bernabéu, J, Bevan, A, Branzas, H, Campbell, M, Caramete, L, Cecchini, S, de Montigny, M, De Roeck, A, Ellis, J, Fairbairn, M, Felea, D, Frank, M, Frekers, D, Garcia, C, Hays, J, Hirt, A, Janecek, J, Kim, D, Kinoshita, K, Korzenev, A, Lacarrère, D, Lee, S, Leroy, C, Levi, G, Lionti, A, Mamuzic, J, Margiotta, A, Mauri, N, Mavromatos, N, Mermod, P, Mitsou, V, Orava, R, Ostrovskiy, I, Parker, B, Patrizii, L, Păvălaş, G, Pinfold, J, Popa, V, Pozzato, M, Pospisil, S, Rajantie, A, Ruiz de Austri, R, Sahnoun, Z, Sakellariadou, M, Santra, A, Sarkar, S, Semenoff, G, Shaa, A, Sirri, G, Sliwa, K, Soluk, R, Spurio, M, Srivastava, Y, Suk, M, Swain, J, Tenti, M, Togo, V, Tuszyński, J, Vento, V, Vives, O, Vykydal, Z, Widom, A, Willems, G, Yoon, J, Zgura, I, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabéu, J., Bevan, A., Branzas, H., Campbell, M., Caramete, L., Cecchini, S., de Montigny, M., De Roeck, A., Ellis, J. R., Fairbairn, M., Felea, D., Frank, M., Frekers, D., Garcia, C., Hays, J., Hirt, A. M., Janecek, J., Kim, D. -W., Kinoshita, K., Korzenev, A., Lacarrère, D. H., Lee, S. C., Leroy, C., Levi, G., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mitsou, V. A., Orava, R., Ostrovskiy, I., Parker, B., Patrizii, L., Păvălaş, G. E., Pinfold, J. L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., Ruiz de Austri, R., Sahnoun, Z., Sakellariadou, M., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Srivastava, Y. N., Suk, M., Swain, J., Tenti, M., Togo, V., Tuszyński, J. A., Vento, V., Vives, O., Vykydal, Z., Widom, A., Willems, G., Yoon, J. H., Zgura, I. S., Acharya, B, Alexandre, J, Baines, S, Benes, P, Bergmann, B, Bernabéu, J, Bevan, A, Branzas, H, Campbell, M, Caramete, L, Cecchini, S, de Montigny, M, De Roeck, A, Ellis, J, Fairbairn, M, Felea, D, Frank, M, Frekers, D, Garcia, C, Hays, J, Hirt, A, Janecek, J, Kim, D, Kinoshita, K, Korzenev, A, Lacarrère, D, Lee, S, Leroy, C, Levi, G, Lionti, A, Mamuzic, J, Margiotta, A, Mauri, N, Mavromatos, N, Mermod, P, Mitsou, V, Orava, R, Ostrovskiy, I, Parker, B, Patrizii, L, Păvălaş, G, Pinfold, J, Popa, V, Pozzato, M, Pospisil, S, Rajantie, A, Ruiz de Austri, R, Sahnoun, Z, Sakellariadou, M, Santra, A, Sarkar, S, Semenoff, G, Shaa, A, Sirri, G, Sliwa, K, Soluk, R, Spurio, M, Srivastava, Y, Suk, M, Swain, J, Tenti, M, Togo, V, Tuszyński, J, Vento, V, Vives, O, Vykydal, Z, Widom, A, Willems, G, Yoon, J, Zgura, I, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabéu, J., Bevan, A., Branzas, H., Campbell, M., Caramete, L., Cecchini, S., de Montigny, M., De Roeck, A., Ellis, J. R., Fairbairn, M., Felea, D., Frank, M., Frekers, D., Garcia, C., Hays, J., Hirt, A. M., Janecek, J., Kim, D. -W., Kinoshita, K., Korzenev, A., Lacarrère, D. H., Lee, S. C., Leroy, C., Levi, G., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mitsou, V. A., Orava, R., Ostrovskiy, I., Parker, B., Patrizii, L., Păvălaş, G. E., Pinfold, J. L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., Ruiz de Austri, R., Sahnoun, Z., Sakellariadou, M., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Srivastava, Y. N., Suk, M., Swain, J., Tenti, M., Togo, V., Tuszyński, J. A., Vento, V., Vives, O., Vykydal, Z., Widom, A., Willems, G., Yoon, J. H., and Zgura, I. S.

Abstract

We update our previous search for trapped magnetic monopoles in LHC Run 2 using nearly six times more integrated luminosity and including additional models for the interpretation of the data. The MoEDAL forward trapping detector, comprising 222 kg of aluminium samples, was exposed to 2.11 fb−1 of 13 TeV proton–proton collisions near the LHCb interaction point and analysed by searching for induced persistent currents after passage through a superconducting magnetometer. Magnetic charges equal to the Dirac charge or above are excluded in all samples. The results are interpreted in Drell–Yan production models for monopoles with spins 0, 1/2 and 1: in addition to standard point-like couplings, we also consider couplings with momentum-dependent form factors. The search provides the best current laboratory constraints for monopoles with magnetic charges ranging from two to five times the Dirac charge.

Published
2018

17. Measurement of the radiation environment of the ATLAS cavern in 2017–2018 with ATLAS-GaAsPix detectors

Author

Boyko, I., primary, Burian, P., additional, Campbell, M., additional, Chelkov, G., additional, Cherepanova, E., additional, Girolamo, B. Di, additional, Gongadze, A., additional, Janecek, J., additional, Kharchenko, D., additional, Kruchonak, U., additional, Lapkin, A., additional, Sierra, Y. Mora, additional, Nessi, M., additional, Pontecorvo, L., additional, Pospisil, S., additional, Rastorguev, D., additional, Rozhkov, V., additional, Smolyanskiy, P., additional, Suk, M., additional, Stekl, I., additional, Tolbanov, O., additional, Tyazhev, A., additional, and Zarubin, A., additional

Published
2021
Full Text
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18. Search for Magnetic Monopoles with the MoEDAL Forward Trapping Detector in 13 TeV Proton-Proton Collisions at the LHC

Author

Acharya, B, Alexandre, J, Baines, S, Benes, P, Bergmann, B, Bernabéu, J, Branzas, H, Campbell, M, Caramete, L, Cecchini, S, De Montigny, M, De Roeck, A, Ellis, J, Fairbairn, M, Felea, D, Flores, J, Frank, M, Frekers, D, Garcia, C, Hirt, A, Janecek, J, Kalliokoski, M, Katre, A, Kim, D, Kinoshita, K, Korzenev, A, Lacarrère, D, Lee, S, Leroy, C, Lionti, A, Mamuzic, J, Margiotta, A, Mauri, N, Mavromatos, N, Mermod, P, Mitsou, V, Orava, R, Parker, B, Pasqualini, L, Patrizii, L, Pǎvǎlaş, G, Pinfold, J, Popa, V, Pozzato, M, Pospisil, S, Rajantie, A, Ruiz De Austri, R, Sahnoun, Z, Sakellariadou, M, Sarkar, S, Semenoff, G, Shaa, A, Sirri, G, Sliwa, K, Soluk, R, Spurio, M, Srivastava, Y, Suk, M, Swain, J, Tenti, M, Togo, V, Tuszyński, J, Vento, V, Vives, O, Vykydal, Z, Whyntie, T, Widom, A, Willems, G, Yoon, J, Zgura, I, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabéu, J., Branzas, H., Campbell, M., Caramete, L., Cecchini, S., De Montigny, M., De Roeck, A., Ellis, J. R., Fairbairn, M., Felea, D., Flores, J., Frank, M., Frekers, D., Garcia, C., Hirt, A. M., Janecek, J., Kalliokoski, M., Katre, A., Kim, D. -W., Kinoshita, K., Korzenev, A., Lacarrère, D. H., Lee, S. C., Leroy, C., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mitsou, V. A., Orava, R., Parker, B., Pasqualini, L., Patrizii, L., Pǎvǎlaş, G. E., Pinfold, J. L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., Ruiz De Austri, R., Sahnoun, Z., Sakellariadou, M., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Srivastava, Y. N., Suk, M., Swain, J., Tenti, M., Togo, V., Tuszyński, J. A., Vento, V., Vives, O., Vykydal, Z., Whyntie, T., Widom, A., Willems, G., Yoon, J. H., Zgura, I. S., Acharya, B, Alexandre, J, Baines, S, Benes, P, Bergmann, B, Bernabéu, J, Branzas, H, Campbell, M, Caramete, L, Cecchini, S, De Montigny, M, De Roeck, A, Ellis, J, Fairbairn, M, Felea, D, Flores, J, Frank, M, Frekers, D, Garcia, C, Hirt, A, Janecek, J, Kalliokoski, M, Katre, A, Kim, D, Kinoshita, K, Korzenev, A, Lacarrère, D, Lee, S, Leroy, C, Lionti, A, Mamuzic, J, Margiotta, A, Mauri, N, Mavromatos, N, Mermod, P, Mitsou, V, Orava, R, Parker, B, Pasqualini, L, Patrizii, L, Pǎvǎlaş, G, Pinfold, J, Popa, V, Pozzato, M, Pospisil, S, Rajantie, A, Ruiz De Austri, R, Sahnoun, Z, Sakellariadou, M, Sarkar, S, Semenoff, G, Shaa, A, Sirri, G, Sliwa, K, Soluk, R, Spurio, M, Srivastava, Y, Suk, M, Swain, J, Tenti, M, Togo, V, Tuszyński, J, Vento, V, Vives, O, Vykydal, Z, Whyntie, T, Widom, A, Willems, G, Yoon, J, Zgura, I, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabéu, J., Branzas, H., Campbell, M., Caramete, L., Cecchini, S., De Montigny, M., De Roeck, A., Ellis, J. R., Fairbairn, M., Felea, D., Flores, J., Frank, M., Frekers, D., Garcia, C., Hirt, A. M., Janecek, J., Kalliokoski, M., Katre, A., Kim, D. -W., Kinoshita, K., Korzenev, A., Lacarrère, D. H., Lee, S. C., Leroy, C., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mitsou, V. A., Orava, R., Parker, B., Pasqualini, L., Patrizii, L., Pǎvǎlaş, G. E., Pinfold, J. L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., Ruiz De Austri, R., Sahnoun, Z., Sakellariadou, M., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Srivastava, Y. N., Suk, M., Swain, J., Tenti, M., Togo, V., Tuszyński, J. A., Vento, V., Vives, O., Vykydal, Z., Whyntie, T., Widom, A., Willems, G., Yoon, J. H., and Zgura, I. S.

Abstract

MoEDAL is designed to identify new physics in the form of long-lived highly ionizing particles produced in high-energy LHC collisions. Its arrays of plastic nuclear-track detectors and aluminium trapping volumes provide two independent passive detection techniques. We present here the results of a first search for magnetic monopole production in 13 TeV proton-proton collisions using the trapping technique, extending a previous publication with 8 TeV data during LHC Run 1. A total of 222 kg of MoEDAL trapping detector samples was exposed in the forward region and analyzed by searching for induced persistent currents after passage through a superconducting magnetometer. Magnetic charges exceeding half the Dirac charge are excluded in all samples and limits are placed for the first time on the production of magnetic monopoles in 13 TeV pp collisions. The search probes mass ranges previously inaccessible to collider experiments for up to five times the Dirac charge.

Published
2017

21. Magnetic Monopole Search with the Full MoEDAL Trapping Detector in 13 TeV pp Collisions Interpreted in Photon-Fusion and Drell-Yan Production

Author

European Commission, Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Generalitat Valenciana, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabéu, José, Bevan, A., Branzas, H., Campbell, M., Cecchini, S., Cho, Y.M., De Montigny, M., De Roeck, A., Ellis, J. R., El Sawy, M., Fairbairn, M., Felea, D., Frank, M., Hays, J., Hirt, A. M., Janecek, J., Kim, D.W., Korzenev, A., Lacarrère, D.H., Lee, S.C., Leroy, C., Levi, G., Lionti, A., Mamuzic, Judita, Margiotta, A., Mauri, N., Mavromatos, N.E., Mermod, P., Mieskolainen, M., Millward, L., Mitsou, Vasiliki A., Orava, R., Ostrovskiy, I., Papavassiliou, Joannis, Parker, B., Patrizii, L., Păvălaş, G.E., Pinfold, J.L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., Ruiz de Austri, Roberto, Sahnoun, Z., Santra, A., Vento, Vicente, Vives, Óscar, MoEDAL Collaboration, European Commission, Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Generalitat Valenciana, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabéu, José, Bevan, A., Branzas, H., Campbell, M., Cecchini, S., Cho, Y.M., De Montigny, M., De Roeck, A., Ellis, J. R., El Sawy, M., Fairbairn, M., Felea, D., Frank, M., Hays, J., Hirt, A. M., Janecek, J., Kim, D.W., Korzenev, A., Lacarrère, D.H., Lee, S.C., Leroy, C., Levi, G., Lionti, A., Mamuzic, Judita, Margiotta, A., Mauri, N., Mavromatos, N.E., Mermod, P., Mieskolainen, M., Millward, L., Mitsou, Vasiliki A., Orava, R., Ostrovskiy, I., Papavassiliou, Joannis, Parker, B., Patrizii, L., Păvălaş, G.E., Pinfold, J.L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., Ruiz de Austri, Roberto, Sahnoun, Z., Santra, A., Vento, Vicente, Vives, Óscar, and MoEDAL Collaboration

Abstract

MoEDAL is designed to identify new physics in the form of stable or pseudostable highly ionizing particles produced in high-energy Large Hadron Collider (LHC) collisions. Here we update our previous search for magnetic monopoles in Run 2 using the full trapping detector with almost four times more material and almost twice more integrated luminosity. For the first time at the LHC, the data were interpreted in terms of photon-fusion monopole direct production in addition to the Drell-Yan-like mechanism. The MoEDAL trapping detector, consisting of 794 kg of aluminum samples installed in the forward and lateral regions, was exposed to 4.0 fb-1 of 13 TeV proton-proton collisions at the LHCb interaction point and analyzed by searching for induced persistent currents after passage through a superconducting magnetometer. Magnetic charges equal to or above the Dirac charge are excluded in all samples. Monopole spins 0, and 1 are considered and both velocity-independent and-dependent couplings are assumed. This search provides the best current laboratory constraints for monopoles with magnetic charges ranging from two to five times the Dirac charge.

Published
2019

22. Search for magnetic monopoles with the MoEDAL forward trapping detector in 2.11 fb−1 of 13 TeV proton–proton collisions at the LHC

Author

Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabéu, J., Bevan, A., Branzas, H., Campbell, M., Caramete, L., Cecchini, S., de Montigny, M., De Roeck, A., Ellis, J.R., Fairbairn, M., Felea, D., Frank, M., Frekers, D., Garcia, C., Hays, J., Hirt, A.M., Janecek, J., Kim, D.-W., Kinoshita, K., Korzenev, A., Lacarrère, D.H., Lee, S.C., Leroy, C., Levi, G., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N.E., Mermod, P., Mitsou, V.A., Orava, R., Ostrovskiy, I., Parker, B., Patrizii, L., Păvălaş, G.E., Pinfold, J.L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., Ruiz de Austri, R., Sahnoun, Z., Sakellariadou, M., Santra, A., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Srivastava, Y.N., Suk, M., Swain, J., Tenti, M., Togo, V., Tuszyński, J.A., Vento, V., Vives, O., Vykydal, Z., Widom, A., Willems, G., Yoon, J.H., and Zgura, I.S.

Published
2018
Full Text
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25. Search for Magnetic Monopoles with the MoEDAL Forward Trapping Detector in 13 TeV Proton-Proton Collisions at the LHC

Author

University of Helsinki, Department of Physics, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabeu, J., Branzas, H., Campbell, M., Caramete, L., Cecchini, S., de Montigny, M., De Roeck, A., Ellis, J. R., Fairbairn, M., Felea, D., Flores, J., Frank, M., Frekers, D., Garcia, C., Hirt, A. M., Janecek, J., Kalliokoski, M., Katre, A., Kim, D. -W., Kinoshita, K., Korzenev, A., Lacarrere, D. H., Lee, S. C., Leroy, C., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mitsou, V. A., Orava, R., Parker, B., Pasqualini, L., Patrizii, L., Pavalas, G. E., Pinfold, J. L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Srivastava, Y. N., Suk, M., Swain, J., Tenti, M., Togo, V., Tuszynski, J. A., Vento, V., Vives, O., Vykydal, Z., Whyntie, T., Widom, A., Willems, G., Yoon, J. H., Zgura, I. S., MoEDAL Collaboration, University of Helsinki, Department of Physics, Acharya, B., Alexandre, J., Baines, S., Benes, P., Bergmann, B., Bernabeu, J., Branzas, H., Campbell, M., Caramete, L., Cecchini, S., de Montigny, M., De Roeck, A., Ellis, J. R., Fairbairn, M., Felea, D., Flores, J., Frank, M., Frekers, D., Garcia, C., Hirt, A. M., Janecek, J., Kalliokoski, M., Katre, A., Kim, D. -W., Kinoshita, K., Korzenev, A., Lacarrere, D. H., Lee, S. C., Leroy, C., Lionti, A., Mamuzic, J., Margiotta, A., Mauri, N., Mavromatos, N. E., Mermod, P., Mitsou, V. A., Orava, R., Parker, B., Pasqualini, L., Patrizii, L., Pavalas, G. E., Pinfold, J. L., Popa, V., Pozzato, M., Pospisil, S., Rajantie, A., de Austri, R. Ruiz, Sahnoun, Z., Sakellariadou, M., Sarkar, S., Semenoff, G., Shaa, A., Sirri, G., Sliwa, K., Soluk, R., Spurio, M., Srivastava, Y. N., Suk, M., Swain, J., Tenti, M., Togo, V., Tuszynski, J. A., Vento, V., Vives, O., Vykydal, Z., Whyntie, T., Widom, A., Willems, G., Yoon, J. H., Zgura, I. S., and MoEDAL Collaboration

Abstract

MoEDAL is designed to identify new physics in the form of long-lived highly ionizing particles produced in high-energy LHC collisions. Its arrays of plastic nuclear-track detectors and aluminium trapping volumes provide two independent passive detection techniques. We present here the results of a first search for magnetic monopole production in 13 TeV proton-proton collisions using the trapping technique, extending a previous publication with 8 TeV data during LHC Run 1. A total of 222 kg of MoEDAL trapping detector samples was exposed in the forward region and analyzed by searching for induced persistent currents after passage through a superconducting magnetometer. Magnetic charges exceeding half the Dirac charge are excluded in all samples and limits are placed for the first time on the production of magnetic monopoles in 13 TeV pp collisions. The search probes mass ranges previously inaccessible to collider experiments for up to five times the Dirac charge.

Published
2017

29. The physiology and biosynthesis of secondary metabolites

Author

Janecek J and Vanek Z

Subjects
medicine.medical_specialty, Cellular differentiation, Sigma Factor, Models, Biological, Streptomyces, General Biochemistry, Genetics and Molecular Biology, Metabolic type, chemistry.chemical_compound, 4-Butyrolactone, Biosynthesis, Molecular genetics, medicine, Homeostasis, Growth Substances, Secondary metabolism, General Environmental Science, biology, Morphological differentiation, Temperature, biology.organism_classification, Anti-Bacterial Agents, Neurology, chemistry, Biochemistry, Genes, Bacterial, Signal Transduction
Abstract

Recently, several excellent reviews appeared /9, 12, 15, 29/ summarizing new findings of the last years and describing the topic in the new interconnections. The signalling systems through which changes in environmental conditions affecting the growth of microorganism are sensed, transmitted and converted into mechanisms controlling the production of antibiotic can now be investigated with the techniques of molecular genetics. Evidence has been accumulated that demonstrated the key roles played by diffusible molecules in regulating cellular differentiation even among prokaryotic microorganisms. This is exemplified by A-factor and its analogues, which act as auto-regulators for morphological differentiation and secondary metabolism in Streptomyces. In our article we have concentrated on the physiological changes, which can occur during the growth in natural environment or during cultivation under laboratory conditions. Recent evidence for the presence of molecular signalling systems in Streptomyces is reviewed, along with the inherent implications. The constitution of the metabolic type during the first hours of cultivation has been previously reviewed /36/.

Published
1997

49. The kinetics of catabolite repression in Escherichia coli.

Author

Janecek, J. and Rickenberg, H.

Abstract

Glucose and its close metabolic derivatives were compared for their effectiveness in bringing about catabolite repression in Escherichia coli. The findings indicate that catabolite repression is established most rapidly when glucose-6-phosphate serves as source of carbon; they also demonstrate that regulation by catabolite repression is exerted at the level of transcription. [ABSTRACT FROM AUTHOR]

Published
1969
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