Abstract (data abstract)

A generic search is presented for the associated production of a Z boson or a photon with an additional unspecified massive particle X,${\rm pp}\rightarrow {\rm pp} +{\rm Z}/\gamma+{\rm X}$, in proton-tagged events from proton-proton collisions at $\sqrt{s}=13\TeV$, recorded in 2017 with the CMS detector and the CMS-TOTEM precision proton spectrometer. The 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. No significant excess in data with respect to the background predictions has been observed. Model-independent upper limits on the visible production cross section of ${\rm pp}\rightarrow {\rm pp} +{\rm Z}/\gamma+{\rm X}$ are set.

Figure 2 upper left

Data from Figure 2 ({loc}), located on page 6.

10.17182/hepdata.135797.v1/t1

Comparison of the $m_{miss}$ shapes for the simulated signal events within the fiducial region and those outside it, after including...
Figure 2 upper right

Data from Figure 2 ({loc}), located on page 6.

10.17182/hepdata.135797.v1/t2

Comparison of the $m_{miss}$ shapes for the simulated signal events within the fiducial region and those outside it, after including...
Figure 2 lower left

Data from Figure 2 ({loc}), located on page 6.

10.17182/hepdata.135797.v1/t3

Comparison of the $m_{miss}$ shapes for the simulated signal events within the fiducial region and those outside it, after including...
Figure 2 lower right

Data from Figure 2 ({loc}), located on page 6.

10.17182/hepdata.135797.v1/t4

Comparison of the $m_{miss}$ shapes for the simulated signal events within the fiducial region and those outside it, after including...
Figure 3 left

Data from Figure 3 (left), located on page 8.

10.17182/hepdata.135797.v1/t5

Product of the acceptance times the combined reconstruction and identification efficiency, as a function of $m_{X}$ , for events generated...
Figure 3 right

Data from Figure 3 (right), located on page 8.

10.17182/hepdata.135797.v1/t6

Product of the acceptance times the combined reconstruction and identification efficiency, as a function of $m_{X}$ , for different proton...
Figure 4 upper left

Data from Figure 4 (upper left), located on page 9.

10.17182/hepdata.135797.v1/t7

Distributions of the reconstructed proton $\xi$ in the negative arm from the proton mixing procedure with simulated MC events, are...
Figure 4 upper center

Data from Figure 4 (upper center), located on page 9.

10.17182/hepdata.135797.v1/t8

Distributions of the reconstructed proton $\xi$ in the positive arm from the proton mixing procedure with simulated MC events, are...
Figure 4 upper right

Data from Figure 4 (upper right), located on page 9.

10.17182/hepdata.135797.v1/t9

Distributions of the reconstructed di-proton rapidity from the proton mixing procedure with simulated MC events, are compared to data. The...
Figure 4 middle left

Data from Figure 4 (middle left), located on page 9.

10.17182/hepdata.135797.v1/t10

Distributions of the reconstructed proton $\xi$ in the negative arm from the proton mixing procedure with simulated MC events, are...
Figure 4 middle center

Data from Figure 4 (middle center), located on page 9.

10.17182/hepdata.135797.v1/t11

Distributions of the reconstructed proton $\xi$ in the positive arm from the proton mixing procedure with simulated MC events, are...
Figure 4 middle right

Data from Figure 4 (middle right), located on page 9.

10.17182/hepdata.135797.v1/t12

Distributions of the reconstructed di-proton rapidity from the proton mixing procedure with simulated MC events, are compared to data. The...
Figure 4 lower left

Data from Figure 4 (lower left), located on page 9.

10.17182/hepdata.135797.v1/t13

Distributions of the reconstructed proton $\xi$ in the negative arm from the proton mixing procedure with simulated MC events, are...
Figure 4 lower center

Data from Figure 4 (lower center), located on page 9.

10.17182/hepdata.135797.v1/t14

Distributions of the reconstructed proton $\xi$ in the positive arm from the proton mixing procedure with simulated MC events, are...
Figure 4 lower right

Data from Figure 4 (lower right), located on page 9.

10.17182/hepdata.135797.v1/t15

Distributions of the reconstructed di-proton rapidity from the proton mixing procedure with simulated MC events, are compared to data. The...
Figure 5 upper left

Data from Figure 5 (upper left), located on page 11.

10.17182/hepdata.135797.v1/t16

Validation of the background modelling method, using the $e\mu$ control sample. Selected $e\mu$ events are mixed with protons from $Z\rightarrow...
Figure 5 upper right

Data from Figure 5 (upper right), located on page 11.

10.17182/hepdata.135797.v1/t17

Validation of the background modelling method, using the $e\mu$ control sample. Selected $e\mu$ events are mixed with protons from $Z\rightarrow...
Figure 5 lower left

Data from Figure 5 (lower left), located on page 11.

10.17182/hepdata.135797.v1/t18

Validation of the background modelling method, using the $e\mu$ control sample. Selected $e\mu$ events are mixed with protons from $Z\rightarrow...
Figure 5 lower right

Data from Figure 5 (lower right), located on page 11.

10.17182/hepdata.135797.v1/t19

Validation of the background modelling method, using the $e\mu$ control sample. Selected $e\mu$ events are mixed with protons from $Z\rightarrow...
Figure 6 upper left

Data from Figure 6 (upper left), located on page 14.

10.17182/hepdata.135797.v1/t20

$m_{miss}$ distributions in the $pp\rightarrow ppZeeX$, with the protons reconstructed with the multi(+z)-multi(-z)method. The background distributions are shown after the...
Figure 6 upper right

Data from Figure 6 (upper right), located on page 14.

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$m_{miss}$ distributions in the $pp\rightarrow ppZeeX$, with the protons reconstructed with the multi(+z)-single(-z)method. The background distributions are shown after the...
Figure 6 lower left

Data from Figure 6 (lower left), located on page 14.

10.17182/hepdata.135797.v1/t22

$m_{miss}$ distributions in the $pp\rightarrow ppZeeX$, with the protons reconstructed with the single(+z)-multi(-z)method. The background distributions are shown after the...
Figure 6 lower right

Data from Figure 6 (lower right), located on page 14.

10.17182/hepdata.135797.v1/t23

$m_{miss}$ distributions in the $pp\rightarrow ppZeeX$, with the protons reconstructed with the single(+z)-single(-z)method. The background distributions are shown after the...
Figure 7 upper left

Data from Figure 7 (upper left), located on page 15.

10.17182/hepdata.135797.v1/t24

$m_{miss}$ distributions in the $pp\rightarrow ppZ\mu\mu X$, with the protons reconstructed with the multi(+z)-multi(-z)method. The background distributions are shown after...
Figure 7 upper right

Data from Figure 7 (upper right), located on page 15.

10.17182/hepdata.135797.v1/t25

$m_{miss}$ distributions in the $pp\rightarrow ppZ\mu\mu X$, with the protons reconstructed with the multi(+z)-single(-z)method. The background distributions are shown after...
Figure 7 lower left

Data from Figure 7 (lower left), located on page 15.

10.17182/hepdata.135797.v1/t26

$m_{miss}$ distributions in the $pp\rightarrow ppZ\mu\mu X$, with the protons reconstructed with the single(+z)-multi(-z)method. The background distributions are shown after...
Figure 7 lower right

Data from Figure 7 (lower right), located on page 15.

10.17182/hepdata.135797.v1/t27

$m_{miss}$ distributions in the $pp\rightarrow ppZ\mu\mu X$, with the protons reconstructed with the single(+z)-single(-z)method. The background distributions are shown after...
Figure 8 upper left

Data from Figure 8 (upper left), located on page 16.

10.17182/hepdata.135797.v1/t28

$m_{miss}$ distributions in the $pp\rightarrow pp\gamma X$, with the protons reconstructed with the multi(+z)-multi(-z)method. The background distributions are shown after...
Figure 8 upper right

Data from Figure 8 (upper right), located on page 16.

10.17182/hepdata.135797.v1/t29

$m_{miss}$ distributions in the $pp\rightarrow pp\gamma X$, with the protons reconstructed with the multi(+z)-single(-z)method. The background distributions are shown after...
Figure 8 lower left

Data from Figure 8 (lower left), located on page 16.

10.17182/hepdata.135797.v1/t30

$m_{miss}$ distributions in the $pp\rightarrow pp\gamma X$, with the protons reconstructed with the single(+z)-multi(-z)method. The background distributions are shown after...
Figure 8 lower right

Data from Figure 8 (lower right), located on page 16.

10.17182/hepdata.135797.v1/t31

$m_{miss}$ distributions in the $pp\rightarrow pp\gamma X$, with the protons reconstructed with the single(+z)-single(-z)method. The background distributions are shown after...
Figure 9 upper left

Data from Figure 7 ({loc}), located on page 17.

10.17182/hepdata.135797.v1/t32

Upper limits on the $pp\rightarrow ppZ/\gamma X$ cross section at 95% CL, as a function of $m_X$. The 68 and...
Figure 9 upper right

Data from Figure 7 ({loc}), located on page 17.

10.17182/hepdata.135797.v1/t33

Upper limits on the $pp\rightarrow ppZ/\gamma X$ cross section at 95% CL, as a function of $m_X$. The 68 and...
Figure 9 lower left

Data from Figure 7 ({loc}), located on page 17.

10.17182/hepdata.135797.v1/t34

Upper limits on the $pp\rightarrow ppZ/\gamma X$ cross section at 95% CL, as a function of $m_X$. The 68 and...
Figure 9 lower right

Data from Figure 7 ({loc}), located on page 17.

10.17182/hepdata.135797.v1/t35

Upper limits on the $pp\rightarrow ppZ/\gamma X$ cross section at 95% CL, as a function of $m_X$. The 68 and...

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