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A new benchmark of soft X-ray transition energies of $\mathrm {Ne}$, $\mathrm {CO}_2$, and $\mathrm {SF}_6$: paving a pathway towards ppm accuracy
/ Stierhof, J. (Erlangen - Nuremberg U.) ; Kühn, S. (Heidelberg, Max Planck Inst.) ; Winter, M. (Erlangen - Nuremberg U. ; Neel Lab, Grenoble) ; Micke, P. (CERN) ; Steinbrügge, R. (DESY) ; Shah, C. (NASA, Goddard ; Heidelberg, Max Planck Inst. ; LLNL, Livermore) ; Hell, N. (LLNL, Livermore) ; Bissinger, M. (Erlangen - Nuremberg U.) ; Hirsch, M. (Erlangen - Nuremberg U.) ; Ballhausen, R. (Erlangen - Nuremberg U.) et al.
A key requirement for the correct interpretation of high-resolution X-ray spectra is that transition energies are known with high accuracy and precision. We investigate the K-shell features of Ne, CO$_2$, and SF$_6$ gases, by measuring their photo ion-yield spectra at the BESSY II synchrotron facility simultaneously with the 1s-np fluorescence emission of He-like ions produced in the Polar-X EBIT. [...]
arXiv:2203.03725.-
2022-03-01 - 13 p.
- Published in : Eur. Phys. J. D
Fulltext: 2203.03725 - PDF; Corrigendum - PDF; Publication - PDF; Erratum - PDF;
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The Forward Physics Facility at the High-Luminosity LHC
/ Feng, Jonathan L. (UC, Irvine) ; Kling, Felix (DESY) ; Reno, Mary Hall (Iowa U.) ; Rojo, Juan (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Soldin, Dennis (Delaware U.) ; Anchordoqui, Luis A. (Lehman Coll.) ; Boyd, Jamie (CERN) ; Ismail, Ahmed (Oklahoma State U.) ; Harland-Lang, Lucian (Oxford U. ; Oxford U., Theor. Phys.) ; Kelly, Kevin J. (CERN) et al.
High energy collisions at the High-Luminosity Large Hadron Collider (LHC) produce a large number of particles along the beam collision axis, outside of the acceptance of existing LHC experiments. The proposed Forward Physics Facility (FPF), to be located several hundred meters from the ATLAS interaction point and shielded by concrete and rock, will host a suite of experiments to probe Standard Model (SM) processes and search for physics beyond the Standard Model (BSM) [...]
arXiv:2203.05090; UCI-TR-2022-01; CERN-PBC-Notes-2022-001; INT-PUB-22-006; BONN-TH-2022-04; FERMILAB-PUB-22-094-ND-SCD-T.-
Geneva : CERN, 2023-01-20 - 413 p.
- Published in : J. Phys. G 50 (2023) 030501
Fulltext: blank - PDF; 2203.05090 - PDF; FERMILAB-PUB-22-094-ND-SCD-T - PDF; Fulltext from Publisher: PDF; External links: Fermilab Library Server; eConf
In : 2021 Snowmass Summer Study, Seattle, WA, United States, 11 - 20 July 2021, pp.030501
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Searching for long-lived particles beyond the Standard Model at the Large Hadron Collider
/ Alimena, Juliette (Ohio State U.) ; Beacham, James (Duke U.) ; Borsato, Martino (Heidelberg U.) ; Cheng, Yangyang (Cornell U., LNS) ; Cid Vidal, Xabier (Santiago de Compostela U.) ; Cottin, Giovanna (Adolfo Ibanez U. ; Chile U., Catolica ; Taiwan, Natl. Taiwan U.) ; De Roeck, Albert (CERN) ; Desai, Nishita (Tata Inst.) ; Curtin, David (Toronto U.) ; Evans, Jared A. (Cincinnati U.) et al.
Particles beyond the Standard Model (SM) can generically have lifetimes that are long compared to SM particles at the weak scale. When produced at experiments such as the Large Hadron Collider (LHC) at CERN, these long-lived particles (LLPs) can decay far from the interaction vertex of the primary proton-proton collision. [...]
arXiv:1903.04497.-
2020-09-08 - 201 p.
- Published in : J. Phys. G 47 (2020) 090501
Fulltext: 1903.04497 - PDF; fermilab-pub-19-110-cd-ppd - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server (fulltext available)
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Long-Lived Particles at the Energy Frontier: The MATHUSLA Physics Case
/ Curtin, David (Toronto U.) ; Drewes, Marco (Louvain U., CP3) ; McCullough, Matthew (CERN) ; Meade, Patrick (YITP, Stony Brook) ; Mohapatra, Rabindra N. (Maryland U.) ; Shelton, Jessie (Illinois U., Urbana) ; Shuve, Brian (Harvey Mudd Coll. ; SLAC) ; Accomando, Elena (Southampton U.) ; Alpigiani, Cristiano (Washington U., Seattle) ; Antusch, Stefan (Basel U.) et al.
We examine the theoretical motivations for long-lived particle (LLP) signals at the LHC in a comprehensive survey of Standard Model (SM) extensions. LLPs are a common prediction of a wide range of theories that address unsolved fundamental mysteries such as naturalness, dark matter, baryogenesis and neutrino masses, and represent a natural and generic possibility for physics beyond the SM (BSM). [...]
arXiv:1806.07396; FERMILAB-PUB-18-264-T.-
2019-10-02 - 133 p.
- Published in : Rep. Prog. Phys. 82 (2019) 116201
Fulltext: 1806.07396 - PDF; fermilab-pub-18-264-t - PDF; External link: Fermilab Library Server (fulltext available)
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A constrained supersymmetric left-right model
/ Hirsch, Martin (Valencia U., IFIC) ; Krauss, Manuel E. (Bonn U. ; Wurzburg U.) ; Opferkuch, Toby (Bonn U.) ; Porod, Werner (Wurzburg U.) ; Staub, Florian (CERN)
We present a supersymmetric left-right model which predicts gauge coupling unification close to the string scale and extra vector bosons at the TeV scale. The subtleties in constructing a model which is in agreement with the measured quark masses and mixing for such a low left-right breaking scale are discussed. [...]
arXiv:1512.00472; BONN-TH-2015-13; CERN-PH-TH-2015-279; IFIC-15-91; BONN-TH-2015-13; CERN-PH-TH-2015-279; IFIC-15-91.-
Geneva : CERN, 2016-03-02 - 22 p.
- Published in : JHEP 03 (2016) 009
Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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Les Houches 2011: Physics at TeV Colliders New Physics Working Group Report
/ Brooijmans, G. (Columbia U.) ; Gripaios, B. (Cambridge U.) ; Moortgat, F. (Zurich, ETH) ; Santiago, J. (CAFPE, Granada ; Granada U., Theor. Phys. Astrophys.) ; Skands, P. (CERN) ; Albornoz Vásquez, D. (Paris, Inst. Astrophys.) ; Allanach, B.C. (Cambridge U., DAMTP) ; Alloul, A. (Strasbourg, IPHC ; Strasbourg, IReS) ; Arbey, A. (CERN ; Lyon, IPN ; Lyon Observ.) ; Azatov, A. (INFN, Rome ; Rome U.) et al.
We present the activities of the 'New Physics' working group for the 'Physics at TeV Colliders' workshop (Les Houches, France, 30 May-17 June, 2011). Our report includes new agreements on formats for interfaces between computational tools, new tool developments, important signatures for searches at the LHC, recommendations for presentation of LHC search results, as well as additional phenomenological studies..
arXiv:1203.1488; FERMILAB-CONF-12-924-T.-
2012 - 243 p.
- Published in : , pp. 221-463
Fermilab Library: PDF; Fulltext: PDF; External link: Fermilab Library
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The Hunt for New Physics at the Large Hadron Collider
/ Nath, Pran (Northeastern U.) ; Nelson, Brent D. (Northeastern U.) ; Davoudiasl, Hooman (Brookhaven) ; Dutta, Bhaskar (Texas A-M) ; Feldman, Daniel (Michigan U., MCTP) ; Liu, Zuowei (SUNY, Stony Brook) ; Han, Tao (Wisconsin U., Madison) ; Langacker, Paul (Princeton, Inst. Advanced Study) ; Mohapatra, Rabi (Maryland U.) ; Valle, Jose (Valencia U., IFIC) et al.
The Large Hadron Collider presents an unprecedented opportunity to probe the realm of new physics in the TeV region and shed light on some of the core unresolved issues of particle physics. These include the nature of electroweak symmetry breaking, the origin of mass, the possible constituent of cold dark matter, new sources of CP violation needed to explain the baryon excess in the universe, the possible existence of extra gauge groups and extra matter, and importantly the path Nature chooses to resolve the hierarchy problem - is it supersymmetry or extra dimensions. [...]
arXiv:1001.2693; FERMILAB-CONF-10-643-E.-
2010 - 233 p.
- Published in : Nucl. Phys. B, Proc. Suppl. 200-202 (2010) 185-417
Fulltext: fermilab-conf-10-643-e - PDF; arXiv:1001.2693 - PDF; External link: Fermilab Library Server (fulltext available)
In : International Workshop on Beyond the standard model physics and LHC signatures, Boston, MA, USA, 02 - 04 Jun 2009, pp.185-417
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