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The TOTEM experiment at the LHC has performed the first measurement at $\sqrt{s} = 13$ TeV of the $\rho$ parameter, the real to imaginary ratio of the nuclear elastic scattering amplitude at $t=0$, obtaining the following results: $\rho =…

The TOTEM experiment at the CERN LHC is here presented. After an overview of the experimental apparatus, the measurement of the total pp cross section, elastic scattering and diffractive phenomena is described. This physics programme will…

High Energy Physics - Experiment · Physics 2019-08-13 Giuseppe Latino

The TOTEM experiment at the LHC has measured proton-proton elastic scattering in dedicated runs at $\sqrt{s}=7$ and 8 TeV centre-of-mass LHC energies. The proton-proton total cross-section $\sigma_{\rm tot}$ has been derived for both…

High Energy Physics - Experiment · Physics 2016-02-22 Frigyes Nemes

The TOTEM 2.76, 7, 8, and 13 TeV pp elastic differential cross sections are extrapolated using a data-driven approach to obtain the 1.96 TeV pp elastic cross section. A difference with a 3.4$\sigma$ significance is observed between the…

High Energy Physics - Experiment · Physics 2021-09-15 Kenneth Österberg

TOTEM is an LHC experiment dedicated to forward hadronic physics. In this contribution, two main parts of its physics programme - proton-proton elastic scattering and total cross-section - are discussed. The analysis procedures are outlined…

Instrumentation and Detectors · Physics 2013-10-14 Jan Kašpar

We complete the model-independent analysis of the scaling properties of the differential cross section of elastic proton-proton cross sections, including new TOTEM data published in 2022 at $\sqrt{s} = 8$ TeV. We separate the signal and the…

High Energy Physics - Experiment · Physics 2023-02-13 T. Csörgő , T. Novák , R. Pasechnik , A. Ster , I. Szanyi

Implications of the recent measurements of the parameter $\rho(s)$ (ratio of the real to imaginary parts of the forward scattering elastic amplitude) by TOTEM collaboration at $\sqrt{s}=13$ $TeV$ are discussed with emphasis on the rising…

High Energy Physics - Phenomenology · Physics 2018-10-15 S. M. Troshin , N. E. Tyurin

Proton-proton elastic scattering has been measured by the TOTEM experiment at the CERN Large Hadron Collider at $\sqrt{s} = 7 $ TeV in special runs with the Roman Pot detectors placed as close to the outgoing beam as seven times the…

Evaluating the H(x, s; pp) scaling function of elastic proton-proton (pp) collisions from recent TOTEM data at sqrt(s) = 8 TeV and comparing it with the same function of elastic proton-antiproton (pp-) data of the D0 collaboration at…

High Energy Physics - Phenomenology · Physics 2024-06-27 T. Csörgő , T. Novák , R. Pasechnik , A. Ster , I. Szanyi

Analysis of the new experimental data obtained by the TOTEM Collaboration at LHC at $\sqrt{s} = 7 \ $TeV at small momentum transfer is presented. The impact of the different assumptions on the extraction of the parameters of the elastic…

High Energy Physics - Phenomenology · Physics 2015-06-18 O. V. Selyugin

Theory suggests that in high-energy elastic hadron+hadron scattering, $t$-channel exchange of a family of colourless crossing-odd states -- the odderon -- may generate differences between $p\bar p$ and $pp$ cross-sections in the…

High Energy Physics - Phenomenology · Physics 2023-04-05 Zhu-Fang Cui , Daniele Binosi , Craig D. Roberts , Sebastian M. Schmidt , D. N. Triantafyllopoulos

We describe an analysis comparing the $p\bar{p}$ 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…

High Energy Physics - Experiment · Physics 2021-08-11 V. M. Abazov , B. Abbott , B. S. Acharya , M. Adams , T. Adams , J. P. Agnew , G. D. Alexeev , G. Alkhazov , A. Alton , G. A. Alves , G. Antchev , A. Askew , P. Aspell , A. C. S. Assis Jesus , I. Atanassov , S. Atkins , K. Augsten , V. Aushev , Y. Aushev , V. Avati , C. Avila , F. Badaud , J. Baechler , L. Bagby , C. Baldenegro Barrera , B. Baldin , D. V. Bandurin , S. Banerjee , E. Barberis , P. Baringer , J. Barreto , J. F. Bartlett , U. Bassler , V. Bazterra , A. Bean , M. Begalli , L. Bellantoni , V. Berardi , S. B. Beri , G. Bernardi , R. Bernhard , M. Berretti , I. Bertram , M. Besanccon , R. Beuselinck , P. C. Bhat , S. Bhatia , V. Bhatnagar , G. Blazey , S. Blessing , K. Bloom , A. Boehnlein , D. Boline , E. E. Boos , V. Borchsh , G. Borissov , M. Borysova , E. Bossini , U. Bottigli , M. Bozzo , A. Brandt , O. Brandt , M. Brochmann , R. Brock , A. Bross , D. Brown , X. B. Bu , M. Buehler , V. Buescher , V. Bunichev , S. Burdin , H. Burkhardt , C. P. Buszello , F. S. Cafagna , E. Camacho-P'erez , W. Carvahlo , B. C. K. Casey , H. Castilla-Valdez , M. G. Catanesi , S. Caughron , S. Chakrabarti , K. M. Chan , A. Chandra , E. Chapon , G. Chen , S. W. Cho , S. Choi , B. Choudhary , S. Cihangir , D. Claes , J. Clutter , M. Cooke , W. E. Cooper , M. Corcoran , F. Couderc , M. -C. Cousinou , M. Csan'ad , T. Cs"orgHo , J. Cuth , D. Cutts , A. Das , G. Davies , M. Deile , S. J. de Jong , E. De La Cruz-Burelo , F. De Leonardis , F. D'eliot , R. Demina , D. Denisov , S. P. Denisov , S. Desai , C. Deterre , K. DeVaughan , H. T. Diehl , M. Diesburg , P. F. Ding , A. Dominguez , M. Doubek , A. Drutskoy , D. Druzhkin , A. Dubey , L. V. Dudko , A. Duperrin , S. Dutt , M. Eads , D. Edmunds , K. Eggert , J. Ellison , V. D. Elvira , Y. Enari , V. Eremin , H. Evans , A. Evdokimov , V. N. Evdokimov , A. Faur'e , L. Feng , T. Ferbel , F. Ferro , F. Fiedler , A. Fiergolski , F. Filthaut , W. Fisher , H. E. Fisk , L. Forthomme , M. Fortner , H. Fox , J. Franc , S. Fuess , P. H. Garbincius , F. Garcia , A. Garcia-Bellido , J. A. Garc'ia-Gonz'alez , V. Gavrilov , W. Geng , V. Georgiev , C. E. Gerber , Y. Gershtein , S. Giani , G. Ginther , O. Gogota , G. Golovanov , P. D. Grannis , S. Greder , H. Greenlee , G. Grenier , Ph. Gris , J. -F. Grivaz , A. Grohsjean , S. Gr"unendahl , M. W. Gr"unewald , L. Grzanka , T. Guillemin , G. Gutierrez , P. Gutierrez , J. Haley , J. Hammerbauer , L. Han , K. Harder , A. Harel , J. M. Hauptman , J. Hays , T. Head , T. Hebbeker , D. Hedin , H. Hegab , A. P. Heinson , U. Heintz , C. Hensel , I. Heredia-De La Cruz , K. Herner , G. Hesketh , M. D. Hildreth , R. Hirosky , T. Hoang , J. D. Hobbs , B. Hoeneisen , J. Hogan , M. Hohlfeld , J. L. Holzbauer , I. Howley , Z. Hubacek , V. Hynek , I. Iashvili , Y. Ilchenko , R. Illingworth , T. Isidori , A. S. Ito , V. Ivanchenko , S. Jabeen , M. Jaffr'e , M. Janda , A. Jayasinghe , M. S. Jeong , R. Jesik , P. Jiang , K. Johns , E. Johnson , M. Johnson , A. Jonckheere , P. Jonsson , J. Joshi , A. W. Jung , A. Juste , E. Kajfasz , A. Karev , D. Karmanov , J. Kavspar , I. Katsanos , M. Kaur , B. Kaynak , R. Kehoe , S. Kermiche , N. Khalatyan , A. Khanov , A. Kharchilava , Y. N. Kharzheev , I. Kiselevich , J. M. Kohli , J. Kopal , A. V. Kozelov , J. Kraus , A. Kumar , V. Kundr'at , A. Kupco , T. Kurvca , V. A. Kuzmin , S. Lami , S. Lammers , G. Latino , P. Lebrun , H. S. Lee , S. W. Lee , W. M. Lee , X. Le , J. Lellouch , D. Li , H. Li , L. Li , Q. Z. Li , J. K. Lim , D. Lincoln , C. Lindsey , R. Linhart , J. Linnemann , V. V. Lipaev , R. Lipton , H. Liu , Y. Liu , A. Lobodenko , M. Lokajicek , M. V. Lokaj'ivcek , R. Lopes de Sa , L. Losurdo , F. Lucas Rodr'iguez , R. Luna-Garcia , A. L. Lyon , A. K. A. Maciel , M. Macr'i , R. Madar , R. Maga na-Villalba , M. Malawski , H. B. Malbouisson , S. Malik , V. L. Malyshev , J. Mansour , J. Mart'inez-Ortega , R. McCarthy , C. L. McGivern , M. M. Meijer , A. Melnitchouk , D. Menezes , P. G. Mercadante , M. Merkin , A. Meyer , J. Meyer , F. Miconi , N. Minafra , S. Minutoli , J. Molina , N. K. Mondal , H. Da Motta , M. Mulhearn , L. Mundim , T. Naaranoja , E. Nagy , M. Narain , R. Nayyar , H. A. Neal , J. P. Negret , F. Nemes , P. Neustroev , H. T. Nguyen , H. Niewiadomski , T. Nov'ak , T. Nunnemann , V. Oguri , E. Oliveri , F. Oljemark , J. Orduna , M. Oriunno , N. Osman , K. "Osterberg , A. Pal , P. Palazzi , N. Parashar , V. Parihar , S. K. Park , R. Partridge , N. Parua , R. Pasechnik , V. Passaro , A. Patwa , B. Penning , M. Perfilov , Z. Peroutka , Y. Peters , K. Petridis , G. Petrillo , P. P'etroff , M. -A. Pleier , V. M. Podstavkov , A. V. Popov , W. L. Prado Da Silva , M. Prewitt , D. Price , J. Proch'azka , N. Prokopenko , J. Qian , A. Quadt , B. Quinn , M. Quinto , T. G. Raben , E. Radermacher , M. Rangel , E. Radicioni , P. N. Ratoff , F. Ravotti , I. Razumov , I. Ripp-Baudot , F. Rizatdinova , E. Robutti , R. F. Rodrigues , M. Rominsky , A. Ross , C. Royon , P. Rubinov , R. Ruchti , G. Ruggiero , H. Saarikko , G. Sajot , V. D. Samoylenko , A. S'anchez-Hern'andez , M. P. Sanders , A. Santoro , A. S. Santos , G. Savage , M. Savitskyi , L. Sawyer , T. Scanlon , R. D. Schamberger , Y. Scheglov , H. Schellman , M. Schott , C. Schwanenberger , R. Schwienhorst , A. Scribano , J. Sekaric , H. Severini , E. Shabalina , V. Shary , S. Shaw , A. A. Shchukin , O. Shkola , V. Simak , J. Siroky , P. Skubic , P. Slattery , J. Smajek , W. Snoeys , G. R. Snow , J. Snow , S. Snyder , S. S"oldner-Rembold , L. Sonnenschein , K. Soustruznik , J. Stark , N. Stefaniuk , R. Stefanovitch , A. Ster , D. A. Stoyanova , M. Strauss , L. Suter , P. Svoisky , I. Szanyi , J. Sziklai , C. Taylor , E. Tcherniaev , M. Titov , V. V. Tokmenin , Y. -T. Tsai , D. Tsybychev , B. Tuchming , C. Tully , N. Turini , O. Urban , L. Uvarov , S. Uvarov , S. Uzunyan , V. Vacek , R. Van Kooten , W. M. van Leeuwen , N. Varelas , E. W. Varnes , I. A. Vasilyev , O. Vavroch , A. Y. Verkheev , L. S. Vertogradov , M. Verzocchi , M. Vesterinen , D. Vilanova , P. Vokac , H. D. Wahl , C. Wang , M. H. L. S. Wang , J. Warchol , G. Watts , M. Wayne , J. Weichert , J. Welti , L. Welty-Rieger , J. Williams , M. R. J. Williams , G. W. Wilson , M. Wobisch , D. R. Wood , T. R. Wyatt , Y. Xie , R. Yamada , S. Yang , T. Yasuda , Y. A. Yatsunenko , W. Ye , Z. Ye , H. Yin , K. Yip , S. W. Youn , J. M. Yu , J. Zennamo , T. G. Zhao , B. Zhou , J. Zhu , J. Zich , K. Zielinski , M. Zielinski , D. Zieminska , L. Zivkovic

We analyze the recently discovered phenomena in elastic proton-proton scattering at the LHC, challenging the standard Regge-pole theory: the low-$|t|$ "break" (departure from the exponential behavior of the diffraction cone), the…

High Energy Physics - Phenomenology · Physics 2019-04-10 István Szanyi , Norbert Bence , László Jenkovszky

The TOTEM experiment at the CERN LHC has measured elastic proton-proton scattering at the centre-of-mass energy $\sqrt{s}$ = 8 TeV and four-momentum transfers squared, |t|, from 6 x $10^{-4}$ GeV$^2$ to 0.2 GeV$^2$. Near the lower end of…

We describe the most recent results from the TOTEM collaboration on elastic, inelastic and total cross sections as well as the odderon discovery by the D0 and TOTEM collaborations.

High Energy Physics - Experiment · Physics 2022-08-24 C. Royon

The current large uncertainty on the extrapolation of the proton-proton total cross section at the LHC energy will be resolved by the precise measurement by the TOTEM experiment. Its accurate studies on the basic properties of proton-proton…

High Energy Physics - Experiment · Physics 2008-11-26 Stefano Lami

The TOTEM experiment has performed several measurements related to its physics program in dedicated (high \beta*, low L) LHC fills at $\sqrt{s}$ = 7 TeV. Under various beam and background conditions, the differential elastic (as a function…

High Energy Physics - Experiment · Physics 2015-06-15 Giuseppe Latino

Recently published and preliminary results of the TOTEM experiment are presented, emphasizing a recent discovery of a non-exponential behaviour of the differential cross-section of elastic proton-proton scattering, that TOTEM measured with…

High Energy Physics - Experiment · Physics 2016-02-02 T. Csörgő
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