CERN Accelerating science

Preprints

Последние добавления:
2019-03-20
13:28
Calibration and performance of the CMS electromagnetic calorimeter during the LHC Run II / Dimova, Tatyana (Novosibirsk State U.) /CMS Collaboration
Many physics analyses using the Compact Muon Solenoid (CMS) detector at the LHC require accurate, high resolution electron and photon energy measurements. Excellent energy resolution is crucial for studies of Higgs boson decays with electromagnetic particles in the final state, as well as searches for very high mass resonances decaying to energetic photons or electrons. [...]
CMS-CR-2018-377.- Geneva : CERN, 2018 - 8 p. Fulltext: PDF;
In : Sixt International Conference " Engineering of Scintillation Materials and Radiation Technologies", Minsk, Belarus, 26 - 30 Sep 2016

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2019-03-20
10:46
The performance of the CMS Muon system with data at $\sqrt s$ = 13 TeV / Hadjiiska, Roumyana Mileva (Sofiya, Inst. Nucl. Res.) /CMS Collaboration
The muon spectrometer of the CMS experiment is based on three different gaseous detector technologies: Drift Tube (DT) chambers in the barrel, Cathode Strip Chambers (CSC) in the endcaps, and Resistive Plate Chambers (RPC) both in the barrel and endcaps. The performance of the muon system has been studied with LHC proton-proton collision data, collected with the CMS detector, at $\sqrt s$ = 13 TeV. [...]
CMS-CR-2018-167.- Geneva : CERN, 2018 - 12 p. Fulltext: PDF;
In : 10th International Physics Conference of the Balkan Physical Union, Sofia, Bulgaria, 26 - 30 Aug 2018

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2019-03-20
05:05
Expectation value of $\mathrm{T}\overline{\mathrm{T}}$ operator in curved spacetimes / Jiang, Yunfeng
We study the expectation value of the $\mathrm{T}\overline{\mathrm{T}}$ operator in spacetimes with constant curvature. [...]
CERN-TH-2019-030 ; arXiv:1903.07561.
- 29 p.
Preprint

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2019-03-20
05:05
Recent Results from the CERN LHC Experiment TOTEM -- Implications for Odderon Exchange / Csörgő, T.
Recent results are summarized from the TOTEM experiment at CERN LHC, including measurements of the total, elastic and inelastic cross-sections, the nuclear slope parameter $B$, the differential cross-section of elastic scattering and the real to imaginary part ration $\rho$ at $\sqrt{s} = $ 2.76 and 13 TeV. [...]
arXiv:1903.06992.
- 14 p.
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2019-03-20
05:04
Measurements of $CP$ asymmetries in charmless four-body $\Lambda_b$ and $\Xi_b^0$ decays / LHCb Collaboration
A search for $CP$ violation in charmless four-body decays of $\Lambda_b$ and $\Xi_b^0$ baryons with a proton and three charged mesons in the final state is performed. [...]
arXiv:1903.06792 ; LHCb-PAPER-2018-044 and CERN-EP-2019-13.
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2019-03-20
05:04
Electromagnetic probes of primordial black holes as dark matter / Kashlinsky, A. (NASA, Goddard ; SSAI, Lanham) ; Ali-Haimoud, Y. (New York U.) ; Clesse, S. (Louvain U. ; Namur U.) ; Garcia-Bellido, J. (Madrid, IFT ; CSIC, Madrid) ; Wyrzykowski, L. (Warsaw U.) ; Achucarro, A. (Leiden U.) ; Amendola, L. (Heidelberg U.) ; Annis, J. (Fermilab) ; Arbey, A. (Lyon U.) ; Arendt, R.G. (NASA, Goddard ; Maryland U., Baltimore County) et al.
The LIGO discoveries have rekindled suggestions that primordial black holes (BHs) may constitute part to all of the dark matter (DM) in the Universe. [...]
arXiv:1903.04424.
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2019-03-20
05:04
Measurements of the top-quark mass with the ATLAS detector / Barillari, Teresa (Munich, Max Planck Inst.)
The top-quark mass is one of the fundamental parameters of the Standard Model of particle physics. [...]
arXiv:1903.00576.
- 4 p.
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2019-03-19
15:26
Progress Report 2017-2018 for IdeaSquare
2019.
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2019-03-19
04:04
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 (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. [...]
arXiv:1903.04497.
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2019-03-19
04:04
A rigorous lower bound on the scattering amplitude at large angle / Epstein, Henri (IHES, Bures-sur-Yvette) ; Martin, André (CERN)
We prove a lower bound for the modulus of the amplitude for a two-body process at large scattering angle. [...]
arXiv:1903.00953.
- 18 p.
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