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Theresa Maria Kolben,Lea T Etzel,Florian Bergauer,Ingke Hagemann,Peter Hillemanns,Monika Repper,Andreas M Kaufmann,Karl Sotlar,Thomas Kolben,Hans-Joachim Helms,Julia Gallwas,Sven Mahner,Christian Dann 대한부인종양학회 2019 Journal of Gynecologic Oncology Vol.30 No.3
Objective: To show noninferiority of a limited-excision (resection of the dysplastic lesion only) vs. classical Large Loop Excision of the Transformation Zone (LLETZ).Methods: In this prospective, randomized, multicenter trial, women with human papillomavirus (HPV) positive cervical intraepithelial neoplasia grade 3 were randomized into two groups (1:1). Primary outcome was the rate of negative HPV tests after 6 months, secondary outcomes included cone size, complete resection rates as well as cytological and histological results after 6 and 12 months. A sample size of 1,000 was calculated to show noninferiority of the limited-excision compared to the LLETZgroup using a noninferiority margin of 5%. Enrollment was stopped after 100 patients due to slow accrual.Results: Patients in the limited-excision group did not show a lower number of negative HPV tests (78% [LLETZ]80% [limited-excision]=−2%; 90% confidence interval=−15%, 12%). The limited-excision resulted in a substantially lower cone size (LLETZ: 1.97 mL vs. limitedexcision: 1.02 mL; p<0.001) but higher numbers of involved margins (LLETZ: 8% vs. limitedexcision: 20%). Although postoperative cytological results slightly differed, histological results were similar in both groups. One limited-excision patient received immediate re-conisation, whereas one patient in each group was scheduled for re-conisation after 6 months. Conclusion: The limited-excision could represent a promising option to reduce the surgical extent of conisations while maintaining oncological safety. The trial was not sufficiently powered to reach statistical significance due to early termination. Nevertheless, the study provides important insights in the feasibility of a limited-excision and could serve as a pilot study for future trials.Trial Registration: German Clinical Trials Register Identifier: DRKS00006169
Search for large extra dimensions in the diphoton final state at the Large Hadron Collider
Chatrchyan, S.,Khachatryan, V.,Sirunyan, A. M.,Tumasyan, A.,Adam, W.,Bergauer, T.,Dragicevic, M.,Erö,, J.,Fabjan, C.,Friedl, M.,Frü,hwirth, R.,Ghete, V. M.,Hammer, J.,Hä,nsel, S.,Hoch, M. Springer-Verlag 2011 Journal of high energy physics Vol.2011 No.5
CMS Collaboration,Khachatryan, V.,Sirunyan, A.M.,Tumasyan, A.,Adam, W.,Bergauer, T.,Dragicevic, M.,Ero, J.,Fabjan, C.,Friedl, M.,Fruhwirth, R.,Ghete, V.M.,Hammer, J.,Hansel, S.,Hartl, C.,Hoch, M.,Horm North-Holland Pub. Co 2011 Physics letters: B Vol.698 No.1
A search for a heavy gauge boson W<SUP>'</SUP> has been conducted by the CMS experiment at the LHC in the decay channel with an electron and large transverse energy imbalance E<SUB>T</SUB><SUP>miss</SUP>, using proton-proton collision data corresponding to an integrated luminosity of 36 pb<SUP>-1</SUP>. No excess above standard model expectations is seen in the transverse mass distribution of the electron-E<SUB>T</SUB><SUP>miss</SUP> system. Assuming standard-model-like couplings and decay branching fractions, a W<SUP>'</SUP> boson with a mass less than 1.36 TeV/c<SUP>2</SUP> is excluded at 95% confidence level.
Chatrchyan, S.,Khachatryan, V.,Sirunyan, A. M.,Tumasyan, A.,Adam, W.,Bergauer, T.,Dragicevic, M.,Erö,, J.,Fabjan, C.,Friedl, M.,Frü,hwirth, R.,Ghete, V. M.,Hammer, J.,Hä,nsel, S.,Hoch, M. Springer 2011 European Physical Journal C Vol.71 No.9
<P>A measurement of the t (t) over bar production cross section in proton-proton collisions at a centre-of-mass energy of 7 TeV has been performed at the LHC with the CMS detector. The analysis uses a data sample corresponding to an integrated luminosity of 36 pb(-1) and is based on the reconstruction of the final state with one isolated, high transverse-momentum electron or muon and three or more hadronic jets. The kinematic properties of the events are used to separate the t (t) over bar signal from W+jets and QCD multijet background events. The measured cross section is 173(-32)(+39) (stat. + syst.) pb, consistent with standard model expectations.</P>
Search for heavy stable charged particles in pp collisions at $ \sqrt {s} = 7\;{\text{TeV}} $
Khachatryan, V.,Sirunyan, A. M.,Tumasyan, A.,Adam, W.,Bergauer, T.,Dragicevic, M.,Erö,, J.,Fabjan, C.,Friedl, M.,Frü,hwirth, R.,Ghete, V. M.,Hammer, J.,Hä,nsel, S.,Hartl, C.,Hoch, M.,H&oum Institute of Physics Pub 2011 The journal of high energy physics Vol.2011 No.3
<P>The result of a search at the LHC for heavy stable charged particles produced in pp collisions at root s = 7TeV is described. The data sample was collected with the CMS detector and corresponds to an integrated luminosity of 3.1 pb(-1). Momentum and ionization-energy-loss measurements in the inner tracker detector are used to identify tracks compatible with heavy slow-moving particles. Additionally, tracks passing muon identification requirements are also analyzed for the same signature. In each case, no candidate passes the selection, with an expected background of less than 0.1 events. A lower limit at the 95% confidence level on the mass of a stable gluino is set at 398 GeV/c(2), using a conventional model of nuclear interactions that allows charged hadrons containing this particle to reach the muon detectors. A lower limit of 311 GeV/c(2) is also set for a stable gluino in a conservative scenario of complete charge suppression, where any hadron containing this particle becomes neutral before reaching the muon detectors.</P>
Search for light resonances decaying into pairs of muons as a signal of new physics
Chatrchyan, S.,Khachatryan, V.,Sirunyan, A. M.,Tumasyan, A.,Adam, W.,Bergauer, T.,Dragicevic, M.,Erö,, J.,Fabjan, C.,Friedl, M.,Frü,hwirth, R.,Ghete, V. M.,Hammer, J.,Hä,nsel, S.,Hoch, M. Springer-Verlag 2011 Journal of high energy physics Vol.2011 No.7