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TOTEM Notes

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2023-08-20
13:42
Nonresonant central exclusive production of charged hadron pairs in proton-proton collisions at $\sqrt{s} = 13~\mathrm{TeV}$ /CMS Collaboration ; TOTEM Collaboration
The central exclusive production of charged hadron pairs in pp collisions at a centre-of-mass energy of 13 TeV is examined, based on data collected in a special high-$\beta^*$ run of the LHC. Events are selected by requiring both scattered protons detected in the TOTEM Roman pots, exactly two oppositely charged identified particles in the CMS silicon tracker, and the energy-momentum balance of these four particles. [...]
CMS-PAS-SMP-21-004; TOTEM-NOTE-2023-001.- Geneva : CERN, 2023 Figure_001: PDF; Figure_002: PDF; Figure_003: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_004-d: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_005-c: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_006-c: PDF; Figure_006-d: PDF; Figure_006-e: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_008-c: PDF; Figure_008-d: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_010-a: PDF; Figure_010-b: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Figure_012-a: PDF; Figure_012-b: PDF; Figure_012-c: PDF; Figure_012-d: PDF; Figure_013-a: PDF; Figure_013-b: PDF; Figure_013-c: PDF; Figure_014-a: PDF; Figure_014-b: PDF; Figure_014-c: PDF; Figure_015-a: PDF; Figure_015-b: PDF; Figure_016-a: PDF; Figure_016-b: PDF; Figure_017-a: PDF; Figure_017-b: PDF; Figure_018-a: PDF; Figure_018-b: PDF; Figure_019-a: PDF; Figure_019-b: PDF; Figure_020-a: PDF; Figure_020-b: PDF; Figure_021-a: PDF; Figure_021-b: PDF; Figure_022-a: PDF; Figure_022-b: PDF; Figure_023-a: PDF; Figure_023-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2022-05-31
09:30
Search for exclusive diphoton production with intact protons in PPS /CMS Collaboration ; TOTEM Collaboration
A search for high-mass exclusive diphoton production via photon-photon fusion with tagged protons is presented. The analysis utilizes 102.7 $\mathrm{fb}^{-1}$ of data collected by the CMS and TOTEM Precision Proton Spectrometer in the 2016, 2017, and 2018 LHC runs. [...]
CMS-PAS-EXO-21-007; TOTEM-NOTE-2022-005.- Geneva : CERN, 2022 Figure_001: PDF; Figure_002: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_003-c: PDF; Figure_003-d: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_004-d: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_005-c: PDF; Figure_005-d: PDF; Figure_005-e: PDF; Figure_005-f: PDF; Figure_006: PDF; Figure_007: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_009: PDF; Figure_010: PDF; Figure_011: PNG; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2022-03-14
16:09
Search for central exclusive production of top quark pairs in proton-proton collisions at $\sqrt{s} = 13\,\text{TeV}$ with tagged protons /CMS Collaboration ; TOTEM Collaboration
A search for the central exclusive production of top quark pairs ($\text{t}\overline{\text{t}}$) is performed using proton-tagged events in proton-proton collisions at the LHC at a centre-of-mass energy of $13\,\text{TeV}$. The data correspond to an integrated luminosity of $29.4\,\text{fb}^{-1}$. [...]
CMS-PAS-TOP-21-007; TOTEM-NOTE-2022-002.- Geneva : CERN, 2022 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_005-c: PDF; Figure_005-d: PDF; Figure_005-e: PDF; Figure_005-f: PDF; Figure_005-g: PDF; Figure_005-h: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2022-03-14
15:58
Proton reconstruction with the CMS Precision Proton Spectrometer in Run 2 /CMS Collaboration ; TOTEM Collaboration
The Precision Proton Spectrometer of the CMS experiment (PPS) collected more than 110 fb$^{-1}$ of data over the course of the LHC Run 2. This note illustrates the key features of the PPS alignment and optics calibrations developed during this period, the proton reconstruction procedure as well as the detector efficiency and the performance of the PPS simulation. [...]
CMS-PAS-PRO-21-001; TOTEM-NOTE-2022-001.- Geneva : CERN, 2022 Figure_001: PDF; Figure_002: PDF; Figure_003: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_005: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007: PDF; Figure_008: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_010: PDF; Figure_011: PDF; Figure_012: PDF; Figure_013: PDF; Figure_014: PDF; Figure_015: PDF; Figure_016: PDF; Figure_017-a: PDF; Figure_017-b: PDF; Figure_018-a: PDF; Figure_018-b: PDF; Figure_019: PDF; Figure_020: PDF; Figure_021: PDF; Figure_022: PDF; Figure_023: PDF; Figure_024: PDF; Figure_025: PDF; Figure_026: PDF; Figure_027: PDF; Figure_028: PDF; Figure_029: PDF; Figure_030: PDF; Figure_031: PDF; Figure_032-a: PDF; Figure_032-b: PDF; Figure_033: PDF; Figure_034: PDF; Figure_035: PDF; Figure_036: PDF; Figure_037: PDF; Figure_038: PDF; Figure_039: PDF; Figure_040-a: PDF; Figure_040-b: PDF; Figure_041: PNG; Figure_042-a: PDF; Figure_042-b: PDF; Figure_042-c: PDF; Figure_042-d: PDF; Figure_043: PDF; Figure_044: PDF; Figure_045-a: PDF; Figure_045-b: PDF; Figure_045-c: PDF; Figure_045-d: PDF; Figure_046-a: PDF; Figure_046-b: PDF; Figure_047-a: PDF; Figure_047-b: PDF; Figure_047-c: PDF; Figure_047-d: PDF; Figure_048-a: PDF; Figure_048-b: PDF; Figure_048-c: PDF; Figure_048-d: PDF; Figure_049-a: PDF; Figure_049-b: PDF; Figure_050: PDF; Figure_051-a: PDF; Figure_051-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2022-03-14
15:56
A search for new physics in central exclusive production using the missing mass technique with the CMS-TOTEM precision proton spectrometer /CMS Collaboration ; TOTEM Collaboration
A generic search is presented for associated production of a Z boson or a photon with an additional unspecified massive particle X in proton-tagged events from pp collisions at $\sqrt{s} = $13 TeV, recorded in 2017 by the CMS detector and the CMS-TOTEM precision proton spectrometer. The so-called missing mass spectrum is analysed in the $600-1600$ GeV range and a fit is performed to search for possible deviations from the background expectation. [...]
CMS-PAS-EXO-19-009; TOTEM-NOTE-2022-003.- Geneva : CERN, 2022 Figure_001: PNG; Figure_002: PNG; Figure_003-a: PDF; Figure_003-b: PDF; Figure_003-c: PDF; Figure_003-d: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_005-c: PDF; Figure_005-d: PDF; Figure_005-e: PDF; Figure_005-f: PDF; Figure_005-g: PDF; Figure_005-h: PDF; Figure_005-i: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_006-c: PDF; Figure_006-d: PDF; Figure_007-a: PNG; Figure_007-b: PNG; Figure_007-c: PNG; Figure_008-a: PDF; Figure_008-b: PDF; Figure_008-c: PDF; Figure_008-d: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2022-03-12
13:01
Search for exclusive $\gamma\gamma \rightarrow$ WW and $\gamma\gamma \rightarrow$ ZZ production in final states with jets and forward protons /CMS Collaboration ; TOTEM Collaboration
A search for anomalous $\gamma\gamma \rightarrow$ WW and $\gamma\gamma \rightarrow$ ZZ production, with intact forward protons reconstructed in Roman Pots, and both gauge bosons decaying to boosted and merged jets, is performed. The analysis is based on a sample of proton-proton collisions collected by the CMS experiment with $\sqrt{s}=13~\mathrm{TeV}$, corresponding to an integrated luminosity of $100$ fb$^{-1}$. [...]
CMS-PAS-SMP-21-014; TOTEM-NOTE-2022-004.- Geneva : CERN, 2022 Figure_001-a: PDF; Figure_001-b: PDF; Figure_001-c: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_003: PDF; Figure_004: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_006-c: PDF; Figure_006-d: PDF; Figure_006-e: PDF; Figure_006-f: PDF; Figure_007: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_008-c: PDF; Figure_008-d: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_009-c: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2020-07-30
17:07
First search for exclusive diphoton production at high mass with intact protons in proton-proton collisions at √ s =13 TeV at the LHC
A search for exclusive two-photon production via photon exchange in proton-proton collisions, pp→p$\gamma\gamma$p with intact protons, is presented. [...]
CERN-TOTEM-NOTE-2020-003 ; CMS-PAS-EXO-18-014. - 2020.
CMS CDS entry (including the files of all individual figures) (CMS-PAS-EXO-18-014) - Full text

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2020-07-30
17:02
Comparison of differential elastic cross sections in pp and ppbar collisions as evidence of the existence of the colourless C-odd three-gluon state / D0, Collaboration ; TOTEM, Collaboration
We describe a quantitative analysis to compare the ppbar elastic cross section as measured by the D0 collaboration at a center-of-mass energy of 1.96 TeV to that in pp collisions as measured by the TOTEM collaboration at 2.76, 7, 8, and 13 TeV using a model-independent approach. [...]
CERN-TOTEM-NOTE-2020-002 ; D0-NOTE-6511. - 2020.
Full text

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2020-04-17
11:34
Study of hard color singlet exchange in dijet events with proton-proton collisions at $\sqrt{s}= 13~\mathrm{TeV}$ /CMS Collaboration ; TOTEM Collaboration
This note presents a study of proton-proton collision events where the two leading jets are separated by a large pseudorapidity interval devoid of particle activity, known as jet-gap-jet events. Both jets have transverse momentum $p_\text{T, jet} > 40$ GeV and pseudorapidity $1.4 < |\eta_\text{jet}| < 4.7$, with $\eta_\text{jet-1}\times \eta_\text{jet-2} < 0$. [...]
CMS-PAS-SMP-19-006; TOTEM-NOTE-2020-001.- Geneva : CERN, 2020 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_008-c: PDF; Figure_009: PDF; Figure_010: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2020-03-04
15:14
Study of hard color singlet exchange in dijet events with proton-proton collisions at $\sqrt{s}$ = 13 TeV / CMS Collaboration, -- ; TOTEM Collaboration, --
This paper presents a study of proton-proton collision events where the two leading jets are separated by a large pseudorapidity interval devoid of particle activity, known as jet-gap-jet events. [...]
CERN-TOTEM-NOTE-2020-001 ; CMS-PAS-SMP-19-006_. - 2020. - 33 p.
CMS CDS entry (including the files of all individual figures) (CMS-PAS-SMP-19-006) - Full text

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