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TOTEM Notes

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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 / CMS, Collaboration ; TOTEM, Collaboration
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.
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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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2018-09-05
15:15
Measurement of dijet production with a leading proton in proton-proton collisions at $\sqrt{s}=8\,\mathrm{TeV}$ / CMS, C ; TOTEM, C
A study of dijet production associated with a leading proton is presented. [...]
CERN-TOTEM-NOTE-2018-001 ; CMS-PAS-FSQ-12-033. - 2018. - 23 p.
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2017-05-24
11:22
Evidence for proton-tagged, central semi-exclusive production of high-mass muon pairs at 13 TeV with the CMS-TOTEM Precision Proton Spectrometer /CMS Collaboration ; TOTEM Collaboration
The process $pp \rightarrow p \mu^+\mu^- p^{(*)}$ has been observed at the LHC for dimuon masses larger than $110~\mathrm{GeV}$ in $pp$ collisions at $\sqrt{s}=13~\mathrm{TeV}$. Here $p^{(*)}$ indicates that the second proton is undetected, and either remains intact or dissociates into a low-mass state $p^{*}$. [...]
CMS-PAS-PPS-17-001; TOTEM-NOTE-2017-003.- Geneva : CERN, 2017 Figure_001-a: PDF; Figure_001-b: PDF; Figure_001-c: PDF; Figure_002: PDF; Figure_003: PDF; Figure_004: PDF; Figure_005: PDF; Figure_006: PDF; Figure_007: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_009: PDF; Figure_010-a: PDF; Figure_010-b: PDF; Figure_011: PDF; Fulltext in PDF: PDF;

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2017-03-21
18:24
LHC optics determination with proton tracks measured in the CT-PPS detectors in 2016, before TS2 / Nemes, F (CERN)
Novel optics estimation methods have been developed for the CMS-TOTEM Precision Proton Spectrometer (CT-PPS), in order to determine the horizontal dispersion function $D_{x}$ and the orbit between IP5 and the Roman Pot detectors. [...]
CERN-TOTEM-NOTE-2017-002. - 2017. - 12 p.
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2017-03-20
19:05
Alignment of CT-PPS detectors in 2016, before TS2 / Kaspar, J (INFN, Pisa)
This note presents the first alignment of the CMS-TOTEM Precision Proton Spectrometer (CT-PPS) using the data from before Technical Stop 2 (TS2), 2016. [...]
CERN-TOTEM-NOTE-2017-001. - 2017. - 16 p.
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2015-09-29
12:16
Timing performances of diamond detectors with Charge Sensitive Amplifier readout / Berretti, M (CERN and INFN Pisa) ; Bossini, E (INFN Pisa and Museo Storico della Fisica e Centro Studi e Ricerche E. Fermi) ; Minafra, N (CERN and Dipartimento Interateneo di Fisica di Bari)
Research on particle detector based on synthetic diamonds has always been limited by the cost, quality and availability of the sensitive material. [...]
CERN-TOTEM-NOTE-2015-003. - 2015.
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2015-08-27
16:24
RF Measurements of the New TOTEM Roman Pot / Berrig, O ; Biancacci, N ; Caspers, F ; Danisi, A ; Eberhardt, J ; Kuczerowski, J ; Minafra, N ; Salvant, B ; Vollinger, C
The TOTEM experiment has been designed to measure the total proton-proton cross section and to study the elastic and diffractive scattering at the LHC energy. [...]
CERN-TOTEM-NOTE-2015-002. - 2015. - 17 p.
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