| Records |
| Author |
Gao, F.; Miramontes, A.S.; Papavassiliou, J.; Pawlowski, J.M. |
| Title |
Heavy-light mesons from a flavour-dependent interaction |
Type |
Journal Article |
| Year |
2025 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
Volume  |
863 |
Issue |
|
Pages |
139384 - 8pp |
| Keywords |
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| Abstract |
We introduce a new framework for the physics of heavy-light mesons, whose key element is the effective incorporation of flavour-dependent contributions into the corresponding bound-state and quark gap equations. These terms originate from the fully-dressed quark-gluon vertices appearing in the kernels of these equations, and provide a natural distinction between “light” and “heavy” quarks. In this approach, only the classical form factor of the quark-gluon vertex is retained, and is evaluated in the so-called “symmetric” configuration. The standard Slavnov-Taylor identity links this form factor to the quark wave-function, allowing for the continuous transition from light to heavy quarks through the mere variation of the current quark mass in the gap equation. The method is used to compute the masses and decay constants of specific pseudoscalars and vector heavy-light systems, showing good overall agreement with both experimental data and lattice simulations. |
| Address |
[Gao, Fei] Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China, Email: joannis.papavassiliou@uv.es |
| Corporate Author |
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Thesis |
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| Publisher |
Elsevier |
Place of Publication |
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| Language |
English |
Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0370-2693 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
WOS:001446646700001 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
6566 |
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| Author |
Zhang, G. et al; Algora, A.; Nacher, E.; Orrigo, S.E.A.; Perez-Vidal, R.M.; Rubio, B. |
| Title |
Approaching 100Sn: Structural evolution in 98,100Cd via lifetime measurements |
Type |
Journal Article |
| Year |
2025 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
| Volume |
863 |
Issue |
|
Pages |
139378 - 7pp |
| Keywords |
Nuclear structure; Lifetime measurement; Gamma-ray spectroscopy; Radioactive beams |
| Abstract |
The lifetimes of low-lying excited states below the 8(+) seniority isomer were directly measured using fast timing detectors in the neutron-deficient isotopes Cd-98,Cd-100. This experiment was conducted with the DEcay SPECtroscopy (DESPEC) setup at GSI, where the ions of interest were produced via a fragmentation reaction and identified using the FRagment Separator (FRS) before being implanted in the AIDA active stopper system, and the gamma rays emitted during the de-excitation of isomeric states were detected by the LaBr3 FATIMA Array. The newly deduced values for the reduced transition probabilities were compared with shell-model calculations using different interactions and effective charges. The results indicate that, while Cd-98 aligns well with a seniority scheme description, in Cd-100 the transition strengths among low-lying states are not fully reproduced, and the nature of these states remains an open problem within the present theoretical description. Ultimately, a key element in the description of this region, crucial for nuclear physics and astrophysics, appears to be the proton-neutron term of the nuclear effective interaction. |
| Address |
[Zhang, G.] Sun Yat Sen Univ, Sinofrench Inst Nucl Engn & Technol, Zhuhai 519082, Guangdong, Peoples R China, Email: daniele.mengoni@unipd.it |
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Thesis |
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| Publisher |
Elsevier |
Place of Publication |
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| Language |
English |
Summary Language |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0370-2693 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
WOS:001458687900001 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
6643 |
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| Author |
Song, J.; Yang, Z.Y.; Oset, E. |
| Title |
Searching for signals of an exotic I=1,JP=2+ state of D*K* nature and the structure of the Pc(4312) in the Λb→Σc plus plus D-K- reaction |
Type |
Journal Article |
| Year |
2025 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
| Volume |
861 |
Issue |
|
Pages |
139294 - 7pp |
| Keywords |
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| Abstract |
This paper investigates the decay process Lambda-Sigma++-- with the objective of finding a predicted molecular state with isospin = 1, = 2+ of nature, plus finding support for the (4312) state as made out of Sigma. The mass distribution of the -- system shows distinct features as a consequence of the existence of this 2+ state, while the Sigma distribution exhibits a significant peak near the threshold, much bigger than phase space expectations, which is linked to our assumed Sigma nature of the (4312) state below the Sigma threshold. The reaction has been measured at LHCb Collaboration, but only the branching ratio is measured. The present study shows that much valuable information can be obtained about the predicted 2+ (2834) of nature and the (4312) states from the measurements of the mass distributions in this reaction, which will be accessible in the planned updates of LHCb. |
| Address |
[Song, Jing; Yang, Zi-Ying] Beihang Univ, Sch Phys, Beijing 102206, Peoples R China, Email: oset@ific.uv.es |
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Thesis |
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| Publisher |
Elsevier |
Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0370-2693 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
WOS:001421800400001 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
6530 |
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| Author |
ATLAS Collaboration (Aad, G. et al); Aikot, A.; Amos, K.R.; Bouchhar, N.; Cabrera Urban, S.; Cantero, J.; Castillo Gimenez, V.; Chitishvili, M.; Costa, M.J.; Curcio, F.; Didenko, M.; Escobar, C.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J.E.; Gomez Delegido, A.J.; Gonzalez de la Hoz, S.; Guerrero Rojas, J.G.R.; Hofer, J.; Lacasta, C.; Lanzac Berrocal, M.; Marti-Garcia, S.; Martinez Agullo, P.; Melini, D.; Mitsou, V.A.; Monsonis Romero, L.; Moreno Llacer, M.; Munoz Perez, D.; Navarro-Gonzalez, J.; Poveda, J.; Rubio Jimenez, A.; Ruiz-Martinez, A.; Saibel, A.; Salt, J.; Sanchez Sebastian, V.; Senthilkumar, V.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valero, A.; Valiente Moreno, E.; Valls Ferrer, J.A.; Varriale, L.; Villaplana Perez, M.; Vos, M.; Zakareishvili, T. |
| Title |
Constraint on the total width of the Higgs boson from Higgs boson and four-top-quark measurements in pp collisions at √s=13 TeV with the ATLAS detector |
Type |
Journal Article |
| Year |
2025 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
| Volume |
861 |
Issue |
|
Pages |
139277 - 21pp |
| Keywords |
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| Abstract |
This Letter presents a constraint on the total width of the Higgs boson (Gamma(H)) using a combined measurement of on-shell Higgs boson production and the production of four top quarks, which involves contributions from off-shell Higgs boson-mediated processes. This method relies on the assumption that the tree-level Higgs-top Yukawa coupling strength is the same for on-shell and off-shell Higgs boson production processes, thereby avoiding any assumptions about the relationship between on-shell and off-shell gluon fusion Higgs production rates, which were central to previous measurements. The result is based on up to 140 fb(-1) of proton-proton collisions at a centre-of-mass energy of root s = 13 TeV collected with the ATLAS detector at the Large Hadron Collider. The observed (expected) 95% confidence level upper limit on Gamma(H) is 450 MeV (75 MeV). Additionally, considering the constraint on the Higgs-top Yukawa coupling from loop-induced Higgs boson production and decay processes further yields an observed (expected) upper limit of 160 MeV (55 MeV). |
| Address |
[Gallagher, J.; Grant, C. M.; Green, M. J.; Jackson, P.; Kong, A. X. Y.; Pandya, H. D.; Ruggeri, T. A.; Saha, S.; Ting, E. X. L.; White, M. J.] Univ Adelaide, Dept Phys, Adelaide, SA, Australia |
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Thesis |
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| Publisher |
Elsevier |
Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0370-2693 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
WOS:001413662700001 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
6626 |
| Permanent link to this record |
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| Author |
Montesinos, V.; Ikeno, N.; Oset, E.; Albaladejo, M.; Nieves, J.; Tolos, L. |
| Title |
On the determination of the D meson width in the nuclear medium with the transparency ratio |
Type |
Journal Article |
| Year |
2025 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
| Volume |
860 |
Issue |
|
Pages |
139172 - 6pp |
| Keywords |
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| Abstract |
We have studied the feasibility of the experimental determination of the width of a D meson in a nuclear medium by using the method of the nuclear transparency. The cross section for inclusive production of a D+ in different nuclei is evaluated, taking care of the D+ absorption in the nucleus, or equivalently, the survival probability of the D+ in its way out of the nucleus from the point of production. We use present values of the in medium width of D mesons and calculate ratios of the cross sections for different nuclei to the 12 C nucleus as reference. We find ratios of the order of 0.6 for heavy nuclei, a large deviation from unity, which indicates that the method proposed is adequate to measure this relevant magnitude, so far only known theoretically. |
| Address |
[Montesinos, Victor; Oset, Eulogio; Albaladejo, Miguel; Nieves, Juan] Univ Valencia, CSIC Inst Invest Paterna, Ctr Mixto, Dept Fis Teor, Valencia 46071, Spain, Email: vicmonte@ific.uv.es; |
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Thesis |
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| Publisher |
Elsevier |
Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0370-2693 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
WOS:001375755800001 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
no |
| Call Number |
IFIC @ pastor @ |
Serial |
6372 |
| Permanent link to this record |
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| Author |
Batra, A.; Bharadwaj, P.; Mandal, S.; Srivastava, R.; Valle, J.W.F. |
| Title |
Large lepton number violation at colliders: Predictions from the minimal linear seesaw mechanism |
Type |
Journal Article |
| Year |
2025 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
| Volume |
860 |
Issue |
|
Pages |
139204 - 11pp |
| Keywords |
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| Abstract |
Small neutrino masses can be sourced by a tiny vacuum expectation value of a leptophilic Higgs doublet, and mediated by Quasi-Dirac heavy neutrinos. In such simplest linear seesaw picture the neutrino mass mediators can be accessible to colliders. We describe novel charged Higgs and heavy neutrino production mechanisms that can be sizeable at + – , -, , or muon colliders and discuss some of the associated signatures. The oscillation length of the heavy neutrino mediators is directly related to the light neutrino mass ordering. Moreover, lepton number violation can be large despite the smallness of neutrino masses, and may shed light on the Majorana nature of neutrinos and the significance of basic symmetries in weak interaction. |
| Address |
[Batra, Aditya; Bharadwaj, Praveen; Srivastava, Rahul] Indian Inst Sci Educ & Res Bhopal, Dept Phys, Bhopal Bypass Rd, Bhopal 462066, India, Email: aditya.batra@tecnico.ulisboa.pt; |
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Thesis |
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| Publisher |
Elsevier |
Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0370-2693 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
WOS:001385717000001 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
6398 |
| Permanent link to this record |
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| Author |
Romeo, B.; Stramaccioni, D.; Menéndez, J.; Valiente-Dobón, J.J. |
| Title |
A pathway to unveiling neutrinoless ββ decay nuclear matrix elements via γγ decay |
Type |
Journal Article |
| Year |
2025 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
| Volume |
860 |
Issue |
|
Pages |
139186 - 7pp |
| Keywords |
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| Abstract |
We investigate the experimental feasibility of detecting second-order double-magnetic dipole ( – 1 1) decays from double isobaric analog states (DIAS), which have recently been found to be strongly correlated with the nuclear matrix elements of neutrinoless decay. Using the nuclear shell model, we compute theoretical branching ratios for -11 decays and compare them with other competing processes, such as single- decay and proton emission, which represent the dominant decay channels. We also estimate the potential competition from internal conversion and internal pair creation, which can influence the decay dynamics. Additionally, we propose an experimental strategy based on using LaBr3 scintillators to identify -11 transitions from the DIAS amidst the background of the competing processes. Our approach emphasizes the challenges of isolating the rare -11 decay and suggests ways to enhance the experimental detection sensitivity. Our simulations suggest that it may be possible to access experimentally -11 decays from DIAS, shedding light on the neutrinoless decay nuclear matrix elements. |
| Address |
[Romeo, Beatriz] Univ North Carolina, Dept Phys & Astron, Chapel Hill, NC 27516 USA, Email: bromeo@unc.edu; |
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| Publisher |
Elsevier |
Place of Publication |
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English |
Summary Language |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0370-2693 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
WOS:001390357600001 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
6409 |
| Permanent link to this record |
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| Author |
ATLAS Collaboration (Aad, G. et al); Aikot, A.; Amos, K.R.; Bouchhar, N.; Cabrera Urban, S.; Cantero, J.; Castillo Gimenez, V.; Chitishvili, M.; Costa, M.J.; Curcio, F.; Didenko, M.; Escobar, C.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J.E.; Gomez Delegido, A.J.; Gonzalez de la Hoz, S.; Guerrero Rojas, J.G.R.; Hofer, J.; Lacasta, C.; Lanzac Berrocal, M.; Marti-Garcia, S.; Martinez Agullo, P.; Melini, D.; Mitsou, V.A.; Monsonis Romero, L.; Moreno Llacer, M.; Munoz Perez, D.; Navarro-Gonzalez, J.; Poveda, J.; Rubio Jimenez, A.; Ruiz-Martinez, A.; Saibel, A.; Salt, J.; Sanchez Sebastian, V.; Senthilkumar, V.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valero, A.; Valiente Moreno, E.; Valls Ferrer, J.A.; Varriale, L.; Villaplana Perez, M.; Vos, M.; Zakareishvili, T. |
| Title |
Combination of searches for singly and doubly charged Higgs bosons pvroduced via vector-boson fusion in proton-proton collisions at √s=13 TeV with the ATLAS detector |
Type |
Journal Article |
| Year |
2025 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
| Volume |
860 |
Issue |
|
Pages |
139137 - 21pp |
| Keywords |
|
| Abstract |
A combination of searches for singly and doubly charged Higgs bosons, H-+/- and H-+/-+/-, produced via vector-boson fusion is performed using 140 fb(-1) of proton-proton collisions at a centre-of-mass energy of 13 TeV, collected with the ATLAS detector during Run 2 of the Large Hadron Collider. Searches targeting decays to massive vector bosons in leptonic final states (electrons or muons) are considered. New constraints are reported on the production cross section times branching fraction for charged Higgs boson masses between 200 GeV and 3000 GeV. The results are interpreted in the context of the Georgi-Machacek model for which the most stringent constraints to date are set for the masses considered in the combination. |
| Address |
[Gallagher, J.; Grant, C. M.; Green, M. J.; Jackson, P.; Kong, A. X. Y.; Pandya, H. D.; Ruggeri, T. A.; Saha, S.; Ting, E. X. L.; White, M. J.] Univ Adelaide, Dept Phys, Adelaide, SA, Australia |
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Thesis |
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| Publisher |
Elsevier |
Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0370-2693 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
WOS:001381473400001 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
6419 |
| Permanent link to this record |
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| Author |
Cherchiglia, A.L.; Dias, A.G.; Leite, J.; Nishi, C.C. |
| Title |
Seesaw limit of the Nelson-Barr mechanism |
Type |
Journal Article |
| Year |
2025 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
| Volume |
860 |
Issue |
|
Pages |
139222 - 7pp |
| Keywords |
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| Abstract |
We investigate how the solution to the strong CP problem and the explanation for the observed fermion mass hierarchies can be intrinsically related. Specifically, we explore the Nelson-Barr mechanism and identify its “seesaw limit”, where light quark masses are suppressed by large CP-violating terms. Upon adding three (two) vector-like quarks that mix with the down-type (up-type) quark sector of the Standard Model, we demonstrate how the lack of CP violation in the strong sector and the observed quark mass hierarchy can be simultaneously achieved. |
| Address |
[Cherchiglia, A. L.] Univ Estadual Campinas, Inst Fis Gleb Wataghin, Campinas, SP, Brazil, Email: alche@unicamp.br; |
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Thesis |
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| Publisher |
Elsevier |
Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0370-2693 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
WOS:001400845600001 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
6447 |
| Permanent link to this record |
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