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1. Event generators for high-energy physics experiments

Author: Campbell, J, Diefenthaler, M, Hobbs, T, Hoche, S, Isaacson, J, Kling, F, Mrenna, S, Reuter, J, Alioli, S, Andersen, J, Andreopoulos, C, Ankowski, A, Aschenauer, E, Ashkenazi, A, Baker, M, Barrow, J, van Beekveld, M, Bewick, G, Bhattacharya, S, Bierlich, C, Bothmann, E, Bredt, P, Broggio, A, Buckley, A, Butter, A, Butterworth, J, Byrne, E, Calame, C, Chakraborty, S, Chen, X, Chiesa, M, Childers, J, Cruz-Martinez, J, Currie, J, Darvishi, N, Dasgupta, M, Denner, A, Dreyer, F, Dytman, S, El-Menoufi, B, Engel, T, Ravasio, S, Figueroa, D, Flower, L, Forshaw, J, Frederix, R, Friedland, A, Frixione, S, Gallagher, H, Gallmeister, K, Gardiner, S, Gauld, R, Gaunt, J, Gavardi, A, Gehrmann, T, De Ridder, A, Gellersen, L, Giele, W, Gieseke, S, Giuli, F, Glover, E, Grazzini, M, Grohsjean, A, Gutschow, C, Hamilton, K, Han, T, Hatcher, R, Heinrich, G, Helenius, I, Hen, O, Hirschi, V, Hofer, M, Holguin, J, Huss, A, Ilten, P, Jadach, S, Jentsch, A, Jones, S, Ju, W, Kallweit, S, Karlberg, A, Katori, T, Kerner, M, Kilian, W, Kirchgaesser, M, Klein, S, Knobbe, M, Krause, C, Krauss, F, Lang, J, Lee, G, Li, S, Lim, M, Lindert, J, Lombardi, D, Lonnblad, L, Loschner, M, Lurkin, N, Ma, Y, Machado, P, Magerya, V, Maier, A, Majer, I, Maltoni, F, Marcoli, M, Marinelli, G, Masouminia, M, Mastrolia, P, Mattelaer, O, Mazzitelli, J, Mcfayden, J, Medves, R, Meinzinger, P, Mo, J, Monni, P, Montagna, G, Morgan, T, Mosel, U, Nachman, B, Nadolsky, P, Nagar, R, Nagy, Z, Napoletano, D, Nason, P, Neumann, T, Nevay, L, Nicrosini, O, Niehues, J, Niewczas, K, Ohl, T, Ossola, G, Pandey, V, Papadopoulou, A, Papaefstathiou, A, Paz, G, Pellen, M, Pelliccioli, G, Peraro, T, Piccinini, F, Pickering, L, Pires, J, Placzek, W, Platzer, S, Plehn, T, Pozzorini, S, Prestel, S, Preuss, C, Price, A, Quackenbush, S, Re, E, Reichelt, D, Reina, L, Reuschle, C, Richardson, P, Rocco, M, Rocco, N, Roda, M, Garcia, A, Roiser, S, Rojo, J, Rottoli, L, Salam, G, Schonherr, M, Schuchmann, S, Schumann, S, Schurmann, R, Scyboz, L, Seymour, M, Siegert, F, Signer, A, Chahal, G, Siodmok, A, Sjostrand, T, Skands, P, Smillie, J, Sobczyk, J, Soldin, D, Soper, D, Soto-Ontoso, A, Soyez, G, Stagnitto, G, Tena-Vidal, J, Tomalak, O, Tramontano, F, Trojanowski, S, Tu, Z, Uccirati, S, Ullrich, T, Ulrich, Y, Utheim, M, Valassi, A, Verbytskyi, A, Verheyen, R, Wagman, M, Walker, D, Webber, B, Weinstein, L, White, O, Whitehead, J, Wiesemann, M, Wilkinson, C, Williams, C, Winterhalder, R, Wret, C, Xie, K, Yang, T, Yazgan, E, Zanderighi, G, Zanoli, S, Zapp, K, Campbell J. M., Diefenthaler M., Hobbs T. J., Hoche S., Isaacson J., Kling F., Mrenna S., Reuter J., Alioli S., Andersen J. R., Andreopoulos C., Ankowski A. M., Aschenauer E. C., Ashkenazi A., Baker M. D., Barrow J. L., van Beekveld M., Bewick G., Bhattacharya S., Bierlich C., Bothmann E., Bredt P., Broggio A., Buckley A., Butter A., Butterworth J. M., Byrne E. P., Calame C. M. C., Chakraborty S., Chen X., Chiesa M., Childers J. T., Cruz-Martinez J., Currie J., Darvishi N., Dasgupta M., Denner A., Dreyer F. A., Dytman S., El-Menoufi B. K., Engel T., Ravasio S. F., Figueroa D., Flower L., Forshaw J. R., Frederix R., Friedland A., Frixione S., Gallagher H., Gallmeister K., Gardiner S., Gauld R., Gaunt J., Gavardi A., Gehrmann T., De Ridder A. G., Gellersen L., Giele W., Gieseke S., Giuli F., Glover E. W. N., Grazzini M., Grohsjean A., Gutschow C., Hamilton K., Han T., Hatcher R., Heinrich G., Helenius I., Hen O., Hirschi V., Hofer M., Holguin J., Huss A., Ilten P., Jadach S., Jentsch A., Jones S. P., Ju W., Kallweit S., Karlberg A., Katori T., Kerner M., Kilian W., Kirchgaesser M. M., Klein S., Knobbe M., Krause C., Krauss F., Lang J., Lang J. -N., Lee G., Li S. W., Lim M. A., Lindert J. M., Lombardi D., Lonnblad L., Loschner M., Lurkin N., Ma Y., Machado P., Magerya V., Maier A., Majer I., Maltoni F., Marcoli M., Marinelli G., Masouminia M. R., Mastrolia P., Mattelaer O., Mazzitelli J., McFayden J., Medves R., Meinzinger P., Mo J., Monni P. F., Montagna G., Morgan T., Mosel U., Nachman B., Nadolsky P., Nagar R., Nagy Z., Napoletano D., Nason P., Neumann T., Nevay L. J., Nicrosini O., Niehues J., Niewczas K., Ohl T., Ossola G., Pandey V., Papadopoulou A., Papaefstathiou A., Paz G., Pellen M., Pelliccioli G., Peraro T., Piccinini F., Pickering L., Pires J., Placzek W., Platzer S., Plehn T., Pozzorini S., Prestel S., Preuss C. T., Price A. C., Quackenbush S., Re E., Reichelt D., Reina L., Reuschle C., Richardson P., Rocco M., Rocco N., Roda M., Garcia A. R., Roiser S., Rojo J., Rottoli L., Salam G. P., Schonherr M., Schuchmann S., Schumann S., Schurmann R., Scyboz L., Seymour M. H., Siegert F., Signer A., Chahal G. S., Siodmok A., Sjostrand T., Skands P., Smillie J. M., Sobczyk J. T., Soldin D., Soper D. E., Soto-Ontoso A., Soyez G., Stagnitto G., Tena-Vidal J., Tomalak O., Tramontano F., Trojanowski S., Tu Z., Uccirati S., Ullrich T., Ulrich Y., Utheim M., Valassi A., Verbytskyi A., Verheyen R., Wagman M., Walker D., Webber B. R., Weinstein L., White O., Whitehead J., Wiesemann M., Wilkinson C., Williams C., Winterhalder R., Wret C., Xie K., Yang T. -Z., Yazgan E., Zanderighi G., Zanoli S., Zapp K., Campbell, J, Diefenthaler, M, Hobbs, T, Hoche, S, Isaacson, J, Kling, F, Mrenna, S, Reuter, J, Alioli, S, Andersen, J, Andreopoulos, C, Ankowski, A, Aschenauer, E, Ashkenazi, A, Baker, M, Barrow, J, van Beekveld, M, Bewick, G, Bhattacharya, S, Bierlich, C, Bothmann, E, Bredt, P, Broggio, A, Buckley, A, Butter, A, Butterworth, J, Byrne, E, Calame, C, Chakraborty, S, Chen, X, Chiesa, M, Childers, J, Cruz-Martinez, J, Currie, J, Darvishi, N, Dasgupta, M, Denner, A, Dreyer, F, Dytman, S, El-Menoufi, B, Engel, T, Ravasio, S, Figueroa, D, Flower, L, Forshaw, J, Frederix, R, Friedland, A, Frixione, S, Gallagher, H, Gallmeister, K, Gardiner, S, Gauld, R, Gaunt, J, Gavardi, A, Gehrmann, T, De Ridder, A, Gellersen, L, Giele, W, Gieseke, S, Giuli, F, Glover, E, Grazzini, M, Grohsjean, A, Gutschow, C, Hamilton, K, Han, T, Hatcher, R, Heinrich, G, Helenius, I, Hen, O, Hirschi, V, Hofer, M, Holguin, J, Huss, A, Ilten, P, Jadach, S, Jentsch, A, Jones, S, Ju, W, Kallweit, S, Karlberg, A, Katori, T, Kerner, M, Kilian, W, Kirchgaesser, M, Klein, S, Knobbe, M, Krause, C, Krauss, F, Lang, J, Lee, G, Li, S, Lim, M, Lindert, J, Lombardi, D, Lonnblad, L, Loschner, M, Lurkin, N, Ma, Y, Machado, P, Magerya, V, Maier, A, Majer, I, Maltoni, F, Marcoli, M, Marinelli, G, Masouminia, M, Mastrolia, P, Mattelaer, O, Mazzitelli, J, Mcfayden, J, Medves, R, Meinzinger, P, Mo, J, Monni, P, Montagna, G, Morgan, T, Mosel, U, Nachman, B, Nadolsky, P, Nagar, R, Nagy, Z, Napoletano, D, Nason, P, Neumann, T, Nevay, L, Nicrosini, O, Niehues, J, Niewczas, K, Ohl, T, Ossola, G, Pandey, V, Papadopoulou, A, Papaefstathiou, A, Paz, G, Pellen, M, Pelliccioli, G, Peraro, T, Piccinini, F, Pickering, L, Pires, J, Placzek, W, Platzer, S, Plehn, T, Pozzorini, S, Prestel, S, Preuss, C, Price, A, Quackenbush, S, Re, E, Reichelt, D, Reina, L, Reuschle, C, Richardson, P, Rocco, M, Rocco, N, Roda, M, Garcia, A, Roiser, S, Rojo, J, Rottoli, L, Salam, G, Schonherr, M, Schuchmann, S, Schumann, S, Schurmann, R, Scyboz, L, Seymour, M, Siegert, F, Signer, A, Chahal, G, Siodmok, A, Sjostrand, T, Skands, P, Smillie, J, Sobczyk, J, Soldin, D, Soper, D, Soto-Ontoso, A, Soyez, G, Stagnitto, G, Tena-Vidal, J, Tomalak, O, Tramontano, F, Trojanowski, S, Tu, Z, Uccirati, S, Ullrich, T, Ulrich, Y, Utheim, M, Valassi, A, Verbytskyi, A, Verheyen, R, Wagman, M, Walker, D, Webber, B, Weinstein, L, White, O, Whitehead, J, Wiesemann, M, Wilkinson, C, Williams, C, Winterhalder, R, Wret, C, Xie, K, Yang, T, Yazgan, E, Zanderighi, G, Zanoli, S, Zapp, K, Campbell J. M., Diefenthaler M., Hobbs T. J., Hoche S., Isaacson J., Kling F., Mrenna S., Reuter J., Alioli S., Andersen J. R., Andreopoulos C., Ankowski A. M., Aschenauer E. C., Ashkenazi A., Baker M. D., Barrow J. L., van Beekveld M., Bewick G., Bhattacharya S., Bierlich C., Bothmann E., Bredt P., Broggio A., Buckley A., Butter A., Butterworth J. M., Byrne E. P., Calame C. M. C., Chakraborty S., Chen X., Chiesa M., Childers J. T., Cruz-Martinez J., Currie J., Darvishi N., Dasgupta M., Denner A., Dreyer F. A., Dytman S., El-Menoufi B. K., Engel T., Ravasio S. F., Figueroa D., Flower L., Forshaw J. R., Frederix R., Friedland A., Frixione S., Gallagher H., Gallmeister K., Gardiner S., Gauld R., Gaunt J., Gavardi A., Gehrmann T., De Ridder A. G., Gellersen L., Giele W., Gieseke S., Giuli F., Glover E. W. N., Grazzini M., Grohsjean A., Gutschow C., Hamilton K., Han T., Hatcher R., Heinrich G., Helenius I., Hen O., Hirschi V., Hofer M., Holguin J., Huss A., Ilten P., Jadach S., Jentsch A., Jones S. P., Ju W., Kallweit S., Karlberg A., Katori T., Kerner M., Kilian W., Kirchgaesser M. M., Klein S., Knobbe M., Krause C., Krauss F., Lang J., Lang J. -N., Lee G., Li S. W., Lim M. A., Lindert J. M., Lombardi D., Lonnblad L., Loschner M., Lurkin N., Ma Y., Machado P., Magerya V., Maier A., Majer I., Maltoni F., Marcoli M., Marinelli G., Masouminia M. R., Mastrolia P., Mattelaer O., Mazzitelli J., McFayden J., Medves R., Meinzinger P., Mo J., Monni P. F., Montagna G., Morgan T., Mosel U., Nachman B., Nadolsky P., Nagar R., Nagy Z., Napoletano D., Nason P., Neumann T., Nevay L. J., Nicrosini O., Niehues J., Niewczas K., Ohl T., Ossola G., Pandey V., Papadopoulou A., Papaefstathiou A., Paz G., Pellen M., Pelliccioli G., Peraro T., Piccinini F., Pickering L., Pires J., Placzek W., Platzer S., Plehn T., Pozzorini S., Prestel S., Preuss C. T., Price A. C., Quackenbush S., Re E., Reichelt D., Reina L., Reuschle C., Richardson P., Rocco M., Rocco N., Roda M., Garcia A. R., Roiser S., Rojo J., Rottoli L., Salam G. P., Schonherr M., Schuchmann S., Schumann S., Schurmann R., Scyboz L., Seymour M. H., Siegert F., Signer A., Chahal G. S., Siodmok A., Sjostrand T., Skands P., Smillie J. M., Sobczyk J. T., Soldin D., Soper D. E., Soto-Ontoso A., Soyez G., Stagnitto G., Tena-Vidal J., Tomalak O., Tramontano F., Trojanowski S., Tu Z., Uccirati S., Ullrich T., Ulrich Y., Utheim M., Valassi A., Verbytskyi A., Verheyen R., Wagman M., Walker D., Webber B. R., Weinstein L., White O., Whitehead J., Wiesemann M., Wilkinson C., Williams C., Winterhalder R., Wret C., Xie K., Yang T. -Z., Yazgan E., Zanderighi G., Zanoli S., and Zapp K.
Abstract: We provide an overview of the status of Monte-Carlo event generators for high-energy particle physics. Guided by the experimental needs and requirements, we highlight areas of active development, and opportunities for future improvements. Particular emphasis is given to physics models and algorithms that are employed across a variety of experiments. These common themes in event generator development lead to a more comprehensive understanding of physics at the highest energies and intensities, and allow models to be tested against a wealth of data that have been accumulated over the past decades. A cohesive approach to event generator development will allow these models to be further improved and systematic uncertainties to be reduced, directly contributing to future experimental success. Event generators are part of a much larger ecosystem of computational tools. They typically involve a number of unknown model parameters that must be tuned to experimental data, while maintaining the integrity of the underlying physics models. Making both these data, and the analyses with which they have been obtained accessible to future users is an essential aspect of open science and data preservation. It ensures the consistency of physics models across a variety of experiments.
Published: 2024

2. Machine learning and LHC event generation

Author: Butter, A., Plehn, T., Schumann, S., Badger, S., Caron, S., Cranmer, K., Di Bello, F.A., Dreyer, E., Forte, S., Ganguly, S., Gonçalves, D., Gross, E., Heimel, T., Heinrich, G., Heinrich, L., Held, A., Höche, S., Howard, J.N., Ilten, P., Isaacson, J., Janßen, T., Jones, S, Kado, M., Kagan, M., Kasieczka, G., Kling, F., Kraml, S., Krause, C., Krauss, F., Kröninger, K., Barman, R.K., Luchmann, M., Magerya, V., Maitre, D., Malaescu, B., Maltoni, F., Martini, T., Mattelaer, O., Nachman, B., Pitz, S., Rojo, J., Schwartz, M., Shih, D., Siegert, F., Stegeman, R., Stienen, B.P.J., Thaler, J., Verheyen, Rob, Whiteson, D., Winterhalder, R., Zupan, J., Butter, A., Plehn, T., Schumann, S., Badger, S., Caron, S., Cranmer, K., Di Bello, F.A., Dreyer, E., Forte, S., Ganguly, S., Gonçalves, D., Gross, E., Heimel, T., Heinrich, G., Heinrich, L., Held, A., Höche, S., Howard, J.N., Ilten, P., Isaacson, J., Janßen, T., Jones, S, Kado, M., Kagan, M., Kasieczka, G., Kling, F., Kraml, S., Krause, C., Krauss, F., Kröninger, K., Barman, R.K., Luchmann, M., Magerya, V., Maitre, D., Malaescu, B., Maltoni, F., Martini, T., Mattelaer, O., Nachman, B., Pitz, S., Rojo, J., Schwartz, M., Shih, D., Siegert, F., Stegeman, R., Stienen, B.P.J., Thaler, J., Verheyen, Rob, Whiteson, D., Winterhalder, R., and Zupan, J.
Abstract: Contains fulltext : 292775.pdf (Publisher’s version ) (Open Access)
Published: 2023

3. NuHepMC: A standardized event record format for neutrino event generators

Author: Gardiner, S., Isaacson, J., Pickering, L., Gardiner, S., Isaacson, J., and Pickering, L.
Abstract: Simulations of neutrino interactions are playing an increasingly important role in the pursuit of high-priority measurements for the field of particle physics. A significant technical barrier for efficient development of these simulations is the lack of a standard data format for representing individual neutrino scattering events. We propose and define such a universal format, named NuHepMC, as a common standard for the output of neutrino event generators. The NuHepMC format uses data structures and concepts from the HepMC3 event record library adopted by other subfields of high-energy physics. These are supplemented with an original set of conventions for generically representing neutrino interaction physics within the HepMC3 infrastructure., Comment: 24 pages, 4 figures
Published: 2023

4. Electron scattering and neutrino physics

Author: Ministerio de Ciencia e Innovación (España), Agencia Estatal de Investigación (España), Ankowski, A.M., Ashkenazi, A., Bacca, S., Barrow, J.L., Betancourt, M., Bodek, A., Christy, M.E., Doria, L., Dytman, S., Friedland, A., Hen, O., Horowitz, C.J., Jachowicz, N., Ketchum, W., Lux, T., Mahn, K., Mariani, C., Newby, J., Pandey, V., Papadopoulou, A., Radicioni, E., Sánchez, F., Sfienti, C., Udías, J.M., Weinstein, L., Álvarez Ruso, Luis, Amaro, J.E., Argüelles, C.A., Balantekin, A.B., Bolognesi, S., Brdar, V., Butti, P., Carey, S., Djurcic, Z., Dvornikov, O., Edayath, S., Gardiner, S., Isaacson, J., Jay, W., Klustová, A., McFarland, K.S., Nikolakopoulos, A., Norrick, A., Pastore, S., Paz, G., Reno, M.H., Ruiz Simo, I., Sobczyk, J.E., Sousa, A, Ministerio de Ciencia e Innovación (España), Agencia Estatal de Investigación (España), Ankowski, A.M., Ashkenazi, A., Bacca, S., Barrow, J.L., Betancourt, M., Bodek, A., Christy, M.E., Doria, L., Dytman, S., Friedland, A., Hen, O., Horowitz, C.J., Jachowicz, N., Ketchum, W., Lux, T., Mahn, K., Mariani, C., Newby, J., Pandey, V., Papadopoulou, A., Radicioni, E., Sánchez, F., Sfienti, C., Udías, J.M., Weinstein, L., Álvarez Ruso, Luis, Amaro, J.E., Argüelles, C.A., Balantekin, A.B., Bolognesi, S., Brdar, V., Butti, P., Carey, S., Djurcic, Z., Dvornikov, O., Edayath, S., Gardiner, S., Isaacson, J., Jay, W., Klustová, A., McFarland, K.S., Nikolakopoulos, A., Norrick, A., Pastore, S., Paz, G., Reno, M.H., Ruiz Simo, I., Sobczyk, J.E., and Sousa, A
Abstract: A thorough understanding of neutrino–nucleus scattering physics is crucial for the successful execution of the entire US neutrino physics program. Neutrino–nucleus interaction constitutes one of the biggest systematic uncertainties in neutrino experiments—both at intermediate energies affecting long-baseline deep underground neutrino experiment, as well as at low energies affecting coherent scattering neutrino program—and could well be the difference between achieving or missing discovery level precision. To this end, electron–nucleus scattering experiments provide vital information to test, assess and validate different nuclear models and event generators intended to test, assess and validate different nuclear models and event generators intended to be used in neutrino experiments. Similarly, for the low-energy neutrino program revolving around the coherent elastic neutrino–nucleus scattering (CEvNS) physics at stopped pion sources, such as at ORNL, the main source of uncertainty in the evaluation of the CEvNS cross section is driven by the underlying nuclear structure, embedded in the weak form factor, of the target nucleus. To this end, parity-violating electron scattering (PVES) experiments, utilizing polarized electron beams, provide vital model-independent information in determining weak form factors. This information is vital in achieving a percent level precision needed to disentangle new physics signals from the standard model expected CEvNS rate. In this white paper, we highlight connections between electron- and neutrino–nucleus scattering physics at energies ranging from 10 s of MeV to a few GeV, review the status of ongoing and planned electron scattering experiments, identify gaps, and lay out a path forward that benefits the neutrino community. We also highlight the systemic challenges with respect to the divide between the nuclear and high-energy physics communities and funding that presents additional hurdles in mobilizing these connections to the b
Published: 2023

5. Theoretical tools for neutrino scattering: interplay between lattice QCD, EFTs, nuclear physics, phenomenology, and neutrino event generators

Author: Ruso, L. Alvarez, Ankowski, A. M., Bacca, S., Balantekin, A. B., Carlson, J., Gardiner, S., Gonzalez-Jimenez, R., Gupta, R., Hobbs, T. J., Hoferichter, M., Isaacson, J., Jachowicz, N., Jay, W. I., Katori, T., Kling, F., Kronfeld, A. S., Li, S. W., Lin, H. -W., Liu, K. -F., Lovato, A., Mahn, K., Menendez, J., Meyer, A. S., Morfin, J., Pastore, S., Rocco, N., Athar, M. Sajjad, Sato, T., Schwenk, A., Shanahan, P. E., Strigari, L. E., Wagman, M., Zhang, X., Zhao, Y., Acharya, B., Andreoli, L., Andreopoulos, C., Barrow, J. L., Bhattacharya, T., Brdar, V., Giusti, C., Kim, D., Li, Y. F., Lin, M., Machado, P., Martini, M., Niewczas, K., Pandey, P., Papadopoulou, A., Plestid, R., Roda, M., Simo, I. Ruiz, Simone, J. N., Sufian, R. S., Tena-Vidal, J., Tsai, Y. -D., Udias, J. M., Ruso, L. Alvarez, Ankowski, A. M., Bacca, S., Balantekin, A. B., Carlson, J., Gardiner, S., Gonzalez-Jimenez, R., Gupta, R., Hobbs, T. J., Hoferichter, M., Isaacson, J., Jachowicz, N., Jay, W. I., Katori, T., Kling, F., Kronfeld, A. S., Li, S. W., Lin, H. -W., Liu, K. -F., Lovato, A., Mahn, K., Menendez, J., Meyer, A. S., Morfin, J., Pastore, S., Rocco, N., Athar, M. Sajjad, Sato, T., Schwenk, A., Shanahan, P. E., Strigari, L. E., Wagman, M., Zhang, X., Zhao, Y., Acharya, B., Andreoli, L., Andreopoulos, C., Barrow, J. L., Bhattacharya, T., Brdar, V., Giusti, C., Kim, D., Li, Y. F., Lin, M., Machado, P., Martini, M., Niewczas, K., Pandey, P., Papadopoulou, A., Plestid, R., Roda, M., Simo, I. Ruiz, Simone, J. N., Sufian, R. S., Tena-Vidal, J., Tsai, Y. -D., and Udias, J. M.
Abstract: Maximizing the discovery potential of increasingly precise neutrino experiments will require an improved theoretical understanding of neutrino-nucleus cross sections over a wide range of energies. Low-energy interactions are needed to reconstruct the energies of astrophysical neutrinos from supernovae bursts and search for new physics using increasingly precise measurement of coherent elastic neutrino scattering. Higher-energy interactions involve a variety of reaction mechanisms including quasi-elastic scattering, resonance production, and deep inelastic scattering that must all be included to reliably predict cross sections for energies relevant to DUNE and other accelerator neutrino experiments. This white paper discusses the theoretical status, challenges, required resources, and path forward for achieving precise predictions of neutrino-nucleus scattering and emphasizes the need for a coordinated theoretical effort involved lattice QCD, nuclear effective theories, phenomenological models of the transition region, and event generators., Comment: 81 pages, contribution to Snowmass 2021
Published: 2022

6. Theoretical tools for neutrino scattering: interplay between lattice QCD, EFTs, nuclear physics, phenomenology, and neutrino event generators

Author: Ruso, L. Alvarez, Ankowski, A. M., Bacca, S., Balantekin, A. B., Carlson, J., Gardiner, S., Gonzalez-Jimenez, R., Gupta, R., Hobbs, T. J., Hoferichter, M., Isaacson, J., Jachowicz, N., Jay, W. I., Katori, T., Kling, F., Kronfeld, A. S., Li, S. W., Lin, H. -W., Liu, K. -F., Lovato, A., Mahn, K., Menendez, J., Meyer, A. S., Morfin, J., Pastore, S., Rocco, N., Athar, M. Sajjad, Sato, T., Schwenk, A., Shanahan, P. E., Strigari, L. E., Wagman, M., Zhang, X., Zhao, Y., Acharya, B., Andreoli, L., Andreopoulos, C., Barrow, J. L., Bhattacharya, T., Brdar, V., Davoudi, Z., Giusti, C., Hayato, Y., Khan, A. N., Kim, D., Li, Y. F., Lin, M., Machado, P., Martini, M., Niewczas, K., Pandey, P., Papadopoulou, A., Plestid, R., Roda, M., Simo, I. Ruiz, Simone, J. N., Sufian, R. S., Tena-Vidal, J., Tomalak, O., Tsai, Y. -D., Udias, J. M., Ruso, L. Alvarez, Ankowski, A. M., Bacca, S., Balantekin, A. B., Carlson, J., Gardiner, S., Gonzalez-Jimenez, R., Gupta, R., Hobbs, T. J., Hoferichter, M., Isaacson, J., Jachowicz, N., Jay, W. I., Katori, T., Kling, F., Kronfeld, A. S., Li, S. W., Lin, H. -W., Liu, K. -F., Lovato, A., Mahn, K., Menendez, J., Meyer, A. S., Morfin, J., Pastore, S., Rocco, N., Athar, M. Sajjad, Sato, T., Schwenk, A., Shanahan, P. E., Strigari, L. E., Wagman, M., Zhang, X., Zhao, Y., Acharya, B., Andreoli, L., Andreopoulos, C., Barrow, J. L., Bhattacharya, T., Brdar, V., Davoudi, Z., Giusti, C., Hayato, Y., Khan, A. N., Kim, D., Li, Y. F., Lin, M., Machado, P., Martini, M., Niewczas, K., Pandey, P., Papadopoulou, A., Plestid, R., Roda, M., Simo, I. Ruiz, Simone, J. N., Sufian, R. S., Tena-Vidal, J., Tomalak, O., Tsai, Y. -D., and Udias, J. M.
Abstract: Maximizing the discovery potential of increasingly precise neutrino experiments will require an improved theoretical understanding of neutrino-nucleus cross sections over a wide range of energies. Low-energy interactions are needed to reconstruct the energies of astrophysical neutrinos from supernovae bursts and search for new physics using increasingly precise measurement of coherent elastic neutrino scattering. Higher-energy interactions involve a variety of reaction mechanisms including quasi-elastic scattering, resonance production, and deep inelastic scattering that must all be included to reliably predict cross sections for energies relevant to DUNE and other accelerator neutrino experiments. This white paper discusses the theoretical status, challenges, required resources, and path forward for achieving precise predictions of neutrino-nucleus scattering and emphasizes the need for a coordinated theoretical effort involved lattice QCD, nuclear effective theories, phenomenological models of the transition region, and event generators., Comment: 81 pages, contribution to Snowmass 2021
Published: 2022

7. Electron Scattering and Neutrino Physics

Author: Ankowski, A. M., Ashkenazi, A., Bacca, S., Barrow, J. L., Betancourt, M., Bodek, A., Christy, M. E., Dytman, L. Doria. S., Friedland, A., Hen, O., Horowitz, C. J., Jachowicz, N., Ketchum, W., Lux, T., Mahn, K., Mariani, C., Newby, J., Pandey, V., Papadopoulou, A., Radicioni, E., Sánchez, F., Sfienti, C., Udías, J. M., Weinstein, L., Alvarez-Ruso, L., Amaro, J. E., Argüelles, C. A., Balantekin, A. B., Bolognesi, S., Brdar, V., Butti, P., Carey, S., Djurcic, Z., Dvornikov, O., Edayath, S., Gardiner, S., Isaacson, J., Jay, W., Klustová, A., McFarland, K. S., Nikolakopoulos, A., Norrick, A., Pastore, S., Paz, G., Reno, M. H., Simo, I. Ruiz, Sobczyk, J. E., Sousa, A., Toro, N., Tsai, Y. -D., Wagman, M., Walsh, J. G., Yang, G., Ankowski, A. M., Ashkenazi, A., Bacca, S., Barrow, J. L., Betancourt, M., Bodek, A., Christy, M. E., Dytman, L. Doria. S., Friedland, A., Hen, O., Horowitz, C. J., Jachowicz, N., Ketchum, W., Lux, T., Mahn, K., Mariani, C., Newby, J., Pandey, V., Papadopoulou, A., Radicioni, E., Sánchez, F., Sfienti, C., Udías, J. M., Weinstein, L., Alvarez-Ruso, L., Amaro, J. E., Argüelles, C. A., Balantekin, A. B., Bolognesi, S., Brdar, V., Butti, P., Carey, S., Djurcic, Z., Dvornikov, O., Edayath, S., Gardiner, S., Isaacson, J., Jay, W., Klustová, A., McFarland, K. S., Nikolakopoulos, A., Norrick, A., Pastore, S., Paz, G., Reno, M. H., Simo, I. Ruiz, Sobczyk, J. E., Sousa, A., Toro, N., Tsai, Y. -D., Wagman, M., Walsh, J. G., and Yang, G.
Abstract: A thorough understanding of neutrino-nucleus scattering physics is crucial for the successful execution of the entire US neutrino physics program. Neutrino-nucleus interaction constitutes one of the biggest systematic uncertainties in neutrino experiments - both at intermediate energies affecting long-baseline Deep Underground Neutrino Experiment (DUNE), as well as at low energies affecting coherent scattering neutrino program - and could well be the difference between achieving or missing discovery level precision. To this end, electron-nucleus scattering experiments provide vital information to test, assess and validate different nuclear models and event generators intended to be used in neutrino experiments. In this white paper, we highlight connections between electron- and neutrino-nucleus scattering physics at energies ranging from 10s of MeV to a few GeV, review the status of ongoing and planned electron scattering experiments, identify gaps, and layout a path forward that benefits the neutrino community. We also highlight the systemic challenges with respect to the divide between the nuclear and high-energy physics communities and funding that presents additional hurdle in mobilizing these connections to the benefit of neutrino programs., Comment: 37 pages, contribution to Snowmass 2021
Published: 2022

8. Theoretical tools for neutrino scattering: interplay between lattice QCD, EFTs, nuclear physics, phenomenology, and neutrino event generators

Author: Ruso, L. Alvarez, Ankowski, A. M., Bacca, S., Balantekin, A. B., Carlson, J., Gardiner, S., Gonzalez-Jimenez, R., Gupta, R., Hobbs, T. J., Hoferichter, M., Isaacson, J., Jachowicz, N., Jay, W. I., Katori, T., Kling, F., Kronfeld, A. S., Li, S. W., Lin, H. -W., Liu, K. -F., Lovato, A., Mahn, K., Menendez, J., Meyer, A. S., Morfin, J., Pastore, S., Rocco, N., Athar, M. Sajjad, Sato, T., Schwenk, A., Shanahan, P. E., Strigari, L. E., Wagman, M., Zhang, X., Zhao, Y., Acharya, B., Andreoli, L., Andreopoulos, C., Barrow, J. L., Bhattacharya, T., Brdar, V., Davoudi, Z., Giusti, C., Hayato, Y., Khan, A. N., Kim, D., Li, Y. F., Lin, M., Machado, P., Martini, M., Niewczas, K., Pandey, P., Papadopoulou, A., Plestid, R., Roda, M., Simo, I. Ruiz, Simone, J. N., Sufian, R. S., Tena-Vidal, J., Tomalak, O., Tsai, Y. -D., Udias, J. M., Ruso, L. Alvarez, Ankowski, A. M., Bacca, S., Balantekin, A. B., Carlson, J., Gardiner, S., Gonzalez-Jimenez, R., Gupta, R., Hobbs, T. J., Hoferichter, M., Isaacson, J., Jachowicz, N., Jay, W. I., Katori, T., Kling, F., Kronfeld, A. S., Li, S. W., Lin, H. -W., Liu, K. -F., Lovato, A., Mahn, K., Menendez, J., Meyer, A. S., Morfin, J., Pastore, S., Rocco, N., Athar, M. Sajjad, Sato, T., Schwenk, A., Shanahan, P. E., Strigari, L. E., Wagman, M., Zhang, X., Zhao, Y., Acharya, B., Andreoli, L., Andreopoulos, C., Barrow, J. L., Bhattacharya, T., Brdar, V., Davoudi, Z., Giusti, C., Hayato, Y., Khan, A. N., Kim, D., Li, Y. F., Lin, M., Machado, P., Martini, M., Niewczas, K., Pandey, P., Papadopoulou, A., Plestid, R., Roda, M., Simo, I. Ruiz, Simone, J. N., Sufian, R. S., Tena-Vidal, J., Tomalak, O., Tsai, Y. -D., and Udias, J. M.
Abstract: Maximizing the discovery potential of increasingly precise neutrino experiments will require an improved theoretical understanding of neutrino-nucleus cross sections over a wide range of energies. Low-energy interactions are needed to reconstruct the energies of astrophysical neutrinos from supernovae bursts and search for new physics using increasingly precise measurement of coherent elastic neutrino scattering. Higher-energy interactions involve a variety of reaction mechanisms including quasi-elastic scattering, resonance production, and deep inelastic scattering that must all be included to reliably predict cross sections for energies relevant to DUNE and other accelerator neutrino experiments. This white paper discusses the theoretical status, challenges, required resources, and path forward for achieving precise predictions of neutrino-nucleus scattering and emphasizes the need for a coordinated theoretical effort involved lattice QCD, nuclear effective theories, phenomenological models of the transition region, and event generators., Comment: 81 pages, contribution to Snowmass 2021
Published: 2022

9. Event Generators for High-Energy Physics Experiments

Author: Campbell, J. M., Diefenthaler, M., Hobbs, T. J., Höche, S., Isaacson, J., Kling, F., Mrenna, S., Reuter, J., Alioli, S., Andersen, J. R., Andreopoulos, C., Ankowski, A. M., Aschenauer, E. C., Ashkenazi, A., Baker, M. D., Barrow, J. L., van Beekveld, M., Bewick, G., Bhattacharya, S., Bierlich, C., Bothmann, E., Bredt, P., Broggio, A., Buckley, A., Butter, A., Butterworth, J. M., Byrne, E. P., Chakraborty, S., Chen, X., Chiesa, M., Childers, J. T., Cruz-Martinez, J., Currie, J., Darvishi, N., Dasgupta, M., Denner, A., Dreyer, F. A., Dytman, S., El-Menoufi, B. K., Engel, T., Ravasio, S. Ferrario, Flower, L., Forshaw, J. R., Frederix, R., Friedland, A., Frixione, S., Gallagher, H., Gallmeister, K., Gardiner, S., Gauld, R., Gavardi, A., Gehrmann, T., Ridder, A. Gehrmann-De, Gellersen, L., Gieseke, S., Giuli, F., Glover, E. W. N., Grazzini, M., Grohsjean, A., Gütschow, C., Hamilton, K., Hatcher, R., Helenius, I., Han, T., Hen, O., Hirschi, V., Höfer, M., Holguin, J., Huss, A., Ilten, P., Jadach, S., Jentsch, A., Ju, W., Kallweit, S., Karlberg, A., Katori, T., Kilian, W., Kirchgaeßer, M. M., Knobbe, M., Krause, C., Krauss, F., Lang, J. -N., Lee, G., Li, S. W., Lim, M. A., Lindert, J. M., Lombardi, D., Lönnblad, L., Löschner, M., Lurkin, N., Ma, Y., Machado, P., Maier, A., Majer, I., Marcoli, M., Marinelli, G., Masouminia, M. R., Mattelaer, O., Mazzitelli, J., McFayden, J., Medves, R., Meinzinger, P., Mo, J., Monni, P. F., Morgan, T., Mosel, U., Nachman, B., Nadolsky, P., Nagar, R., Nagy, Z., Napoletano, D., Nason, P., Neumann, T., Nevay, L. J., Niehues, J., Niewczas, K., Ohl, T., Pandey, V., Papadopoulou, A., Paz, G., Pellen, M., Pelliccioli, G., Pickering, L., Pires, J., Plätzer, S., Plehn, T., Pozzorini, S., Prestel, S., Preuss, C. T., Price, A. C., Re, E., Reichelt, D., Richardson, P., Rocco, M., Rocco, N., Roda, M., Garcia, A. Rodriguez, Roiser, S., Rojo, J., Salam, G. P., Schönherr, M., Schuchmann, S., Schumann, S., Schürmann, R., Scyboz, L., Seymour, M. H., Siegert, F., Signer, A., Chahal, G. Singh, Siódmok, A., Sjöstrand, T., Skands, P., Smillie, J. M., Sobczyk, J. T., Soldin, D., Soper, D. E., Soto-Ontoso, A., Soyez, G., Stagnitto, G., Tena-Vidal, J., Tomalak, O., Trojanowski, S., Tu, Z., Uccirati, S., Ullrich, T., Ulrich, Y., Utheim, M., Valassi, A., Verbytskyi, A., Verheyen, R., Wagman, M., Walker, D., Webber, B. R., Weinstein, L., White, O., Whitehead, J., Wiesemann, M., Wilkinson, C., Williams, C., Winterhalder, R., Wret, C., Xie, K., Yang, T-Z., Yazgan, E., Zanderighi, G., Zanoli, S., Zapp, K., Campbell, J. M., Diefenthaler, M., Hobbs, T. J., Höche, S., Isaacson, J., Kling, F., Mrenna, S., Reuter, J., Alioli, S., Andersen, J. R., Andreopoulos, C., Ankowski, A. M., Aschenauer, E. C., Ashkenazi, A., Baker, M. D., Barrow, J. L., van Beekveld, M., Bewick, G., Bhattacharya, S., Bierlich, C., Bothmann, E., Bredt, P., Broggio, A., Buckley, A., Butter, A., Butterworth, J. M., Byrne, E. P., Chakraborty, S., Chen, X., Chiesa, M., Childers, J. T., Cruz-Martinez, J., Currie, J., Darvishi, N., Dasgupta, M., Denner, A., Dreyer, F. A., Dytman, S., El-Menoufi, B. K., Engel, T., Ravasio, S. Ferrario, Flower, L., Forshaw, J. R., Frederix, R., Friedland, A., Frixione, S., Gallagher, H., Gallmeister, K., Gardiner, S., Gauld, R., Gavardi, A., Gehrmann, T., Ridder, A. Gehrmann-De, Gellersen, L., Gieseke, S., Giuli, F., Glover, E. W. N., Grazzini, M., Grohsjean, A., Gütschow, C., Hamilton, K., Hatcher, R., Helenius, I., Han, T., Hen, O., Hirschi, V., Höfer, M., Holguin, J., Huss, A., Ilten, P., Jadach, S., Jentsch, A., Ju, W., Kallweit, S., Karlberg, A., Katori, T., Kilian, W., Kirchgaeßer, M. M., Knobbe, M., Krause, C., Krauss, F., Lang, J. -N., Lee, G., Li, S. W., Lim, M. A., Lindert, J. M., Lombardi, D., Lönnblad, L., Löschner, M., Lurkin, N., Ma, Y., Machado, P., Maier, A., Majer, I., Marcoli, M., Marinelli, G., Masouminia, M. R., Mattelaer, O., Mazzitelli, J., McFayden, J., Medves, R., Meinzinger, P., Mo, J., Monni, P. F., Morgan, T., Mosel, U., Nachman, B., Nadolsky, P., Nagar, R., Nagy, Z., Napoletano, D., Nason, P., Neumann, T., Nevay, L. J., Niehues, J., Niewczas, K., Ohl, T., Pandey, V., Papadopoulou, A., Paz, G., Pellen, M., Pelliccioli, G., Pickering, L., Pires, J., Plätzer, S., Plehn, T., Pozzorini, S., Prestel, S., Preuss, C. T., Price, A. C., Re, E., Reichelt, D., Richardson, P., Rocco, M., Rocco, N., Roda, M., Garcia, A. Rodriguez, Roiser, S., Rojo, J., Salam, G. P., Schönherr, M., Schuchmann, S., Schumann, S., Schürmann, R., Scyboz, L., Seymour, M. H., Siegert, F., Signer, A., Chahal, G. Singh, Siódmok, A., Sjöstrand, T., Skands, P., Smillie, J. M., Sobczyk, J. T., Soldin, D., Soper, D. E., Soto-Ontoso, A., Soyez, G., Stagnitto, G., Tena-Vidal, J., Tomalak, O., Trojanowski, S., Tu, Z., Uccirati, S., Ullrich, T., Ulrich, Y., Utheim, M., Valassi, A., Verbytskyi, A., Verheyen, R., Wagman, M., Walker, D., Webber, B. R., Weinstein, L., White, O., Whitehead, J., Wiesemann, M., Wilkinson, C., Williams, C., Winterhalder, R., Wret, C., Xie, K., Yang, T-Z., Yazgan, E., Zanderighi, G., Zanoli, S., and Zapp, K.
Abstract: We provide an overview of the status of Monte-Carlo event generators for high-energy particle physics. Guided by the experimental needs and requirements, we highlight areas of active development, and opportunities for future improvements. Particular emphasis is given to physics models and algorithms that are employed across a variety of experiments. These common themes in event generator development lead to a more comprehensive understanding of physics at the highest energies and intensities, and allow models to be tested against a wealth of data that have been accumulated over the past decades. A cohesive approach to event generator development will allow these models to be further improved and systematic uncertainties to be reduced, directly contributing to future experimental success. Event generators are part of a much larger ecosystem of computational tools. They typically involve a number of unknown model parameters that must be tuned to experimental data, while maintaining the integrity of the underlying physics models. Making both these data, and the analyses with which they have been obtained accessible to future users is an essential aspect of open science and data preservation. It ensures the consistency of physics models across a variety of experiments., Comment: 153 pages, 10 figures, contribution to Snowmass 2021
Published: 2022

10. Precision QCD, Hadronic Structure & Forward QCD, Heavy Ions: Report of Energy Frontier Topical Groups 5, 6, 7 submitted to Snowmass 2021

Author: Begel, M., Hoeche, S., Schmitt, M., Lin, H. -W., Nadolsky, P. M., Royon, C., Lee, Y-J., Mukherjee, S., Baldenegro, C., Campbell, J., Chachamis, G., Celiberto, F. G., Cooper-Sarkar, A. M., d'Enterria, D., Diefenthaler, M., Fucilla, M., Garzelli, M. V., Guzzi, M., Hentschinski, M., Hobbs, T. J., Huston, J., Isaacson, J., Klein, S. R., Kling, F., Kotko, P., Kovchegov, Yu. V., Krintiras, G., Kronfeld, A. S., Kutak, K., Mistlberger, B., Moult, I., Mrenna, S., Nachman, B., Narain, M., Olness, F. I., Papa, A., Pisarski, R. D., Pitt, M., Rappoccio, S., Reina, L., Reuter, J., Reno, M. H., Salam, G. P., Strikman, M., Tran, N., Tricoli, A., Ubiali, M., van Hameren, A., Vossen, A., Xie, K., Begel, M., Hoeche, S., Schmitt, M., Lin, H. -W., Nadolsky, P. M., Royon, C., Lee, Y-J., Mukherjee, S., Baldenegro, C., Campbell, J., Chachamis, G., Celiberto, F. G., Cooper-Sarkar, A. M., d'Enterria, D., Diefenthaler, M., Fucilla, M., Garzelli, M. V., Guzzi, M., Hentschinski, M., Hobbs, T. J., Huston, J., Isaacson, J., Klein, S. R., Kling, F., Kotko, P., Kovchegov, Yu. V., Krintiras, G., Kronfeld, A. S., Kutak, K., Mistlberger, B., Moult, I., Mrenna, S., Nachman, B., Narain, M., Olness, F. I., Papa, A., Pisarski, R. D., Pitt, M., Rappoccio, S., Reina, L., Reuter, J., Reno, M. H., Salam, G. P., Strikman, M., Tran, N., Tricoli, A., Ubiali, M., van Hameren, A., Vossen, A., and Xie, K.
Abstract: This report was prepared on behalf of three Energy Frontier Topical Groups of the Snowmass 2021 Community Planning Exercise. It summarizes the status and implications of studies of strong interactions in high-energy experiments and QCD theory. We emphasize the rich landscape and broad impact of these studies in the decade ahead. Hadronic interactions play a central role in the high-luminosity Large Hadron Collider (LHC) physics program, and strong synergies exist between the (HL-)LHC and planned or proposed experiments at the U.S. Electron-Ion Collider, CERN forward physics experiments, high-intensity facilities, and future TeV-range lepton and hadron colliders. Prospects for precision determinations of the strong coupling and a variety of nonperturbative distribution and fragmentation functions are examined. We also review the potential of envisioned tests of new dynamical regimes of QCD in high-energy and high-density scattering processes with nucleon, ion, and photon initial states. The important role of the high-energy heavy-ion program in studies of nuclear structure and the nuclear medium, and its connections with QCD involving nucleons are summarized. We address ongoing and future theoretical advancements in multi-loop QCD computations, lattice QCD, jet substructure, and event generators. Cross-cutting connections between experimental measurements, theoretical predictions, large-scale data analysis, and high-performance computing are emphasized., Comment: 95 pages (bibliography 30 pages), 28 figures; v.2: minor changes, authors and references added
Published: 2022

11. Event Generators for High-Energy Physics Experiments

Author: Campbell, J. M., Diefenthaler, M., Hobbs, T. J., Höche, S., Isaacson, J., Kling, F., Mrenna, S., Reuter, J., Alioli, S., Andersen, J. R., Andreopoulos, C., Ankowski, A. M., Aschenauer, E. C., Ashkenazi, A., Baker, M. D., Barrow, J. L., van Beekveld, M., Bewick, G., Bhattacharya, S., Bierlich, C., Bothmann, E., Bredt, P., Broggio, A., Buckley, A., Butter, A., Butterworth, J. M., Byrne, E. P., Chakraborty, S., Chen, X., Chiesa, M., Childers, J. T., Cruz-Martinez, J., Currie, J., Darvishi, N., Dasgupta, M., Denner, A., Dreyer, F. A., Dytman, S., El-Menoufi, B. K., Engel, T., Ravasio, S. Ferrario, Figueroa, D., Flower, L., Forshaw, J. R., Frederix, R., Friedland, A., Frixione, S., Gallagher, H., Gallmeister, K., Gardiner, S., Gauld, R., Gavardi, A., Gehrmann, T., Ridder, A. Gehrmann-De, Gellersen, L., Giele, W., Gieseke, S., Giuli, F., Glover, E. W. N., Grazzini, M., Grohsjean, A., Gütschow, C., Hamilton, K., Han, T., Hatcher, R., Heinrich, G., Helenius, I., Hen, O., Hirschi, V., Höfer, M., Holguin, J., Huss, A., Ilten, P., Jadach, S., Jentsch, A., Jones, S. P., Ju, W., Kallweit, S., Karlberg, A., Katori, T., Kerner, M., Kilian, W., Kirchgaeßer, M. M., Klein, S., Knobbe, M., Krause, C., Krauss, F., Lang, J., Lang, J. -N., Lee, G., Li, S. W., Lim, M. A., Lindert, J. M., Lombardi, D., Lönnblad, L., Löschner, M., Lurkin, N., Ma, Y., Machado, P., Magerya, V., Maier, A., Majer, I., Maltoni, F., Marcoli, M., Marinelli, G., Masouminia, M. R., Mastrolia, P., Mattelaer, O., Mazzitelli, J., McFayden, J., Medves, R., Meinzinger, P., Mo, J., Monni, P. F., Morgan, T., Mosel, U., Nachman, B., Nadolsky, P., Nagar, R., Nagy, Z., Napoletano, D., Nason, P., Neumann, T., Nevay, L. J., Niehues, J., Niewczas, K., Ohl, T., Ossola, G., Pandey, V., Papadopoulou, A., Papaefstathiou, A., Paz, G., Pellen, M., Pelliccioli, G., Peraro, T., Pickering, L., Pires, J., Plätzer, S., Plehn, T., Pozzorini, S., Prestel, S., Preuss, C. T., Price, A. C., Quackenbush, S., Re, E., Reichelt, D., Reina, L., Reuschle, C., Richardson, P., Rocco, M., Rocco, N., Roda, M., Garcia, A. Rodriguez, Roiser, S., Rojo, J., Rottoli, L., Salam, G. P., Schönherr, M., Schuchmann, S., Schumann, S., Schürmann, R., Scyboz, L., Seymour, M. H., Siegert, F., Signer, A., Chahal, G. Singh, Siódmok, A., Sjöstrand, T., Skands, P., Smillie, J. M., Sobczyk, J. T., Soldin, D., Soper, D. E., Soto-Ontoso, A., Soyez, G., Stagnitto, G., Tena-Vidal, J., Tomalak, O., Tramontano, F., Trojanowski, S., Tu, Z., Uccirati, S., Ullrich, T., Ulrich, Y., Utheim, M., Valassi, A., Verbytskyi, A., Verheyen, R., Wagman, M., Walker, D., Webber, B. R., Weinstein, L., White, O., Whitehead, J., Wiesemann, M., Wilkinson, C., Williams, C., Winterhalder, R., Wret, C., Xie, K., Yang, T-Z., Yazgan, E., Zanderighi, G., Zanoli, S., Zapp, K., Campbell, J. M., Diefenthaler, M., Hobbs, T. J., Höche, S., Isaacson, J., Kling, F., Mrenna, S., Reuter, J., Alioli, S., Andersen, J. R., Andreopoulos, C., Ankowski, A. M., Aschenauer, E. C., Ashkenazi, A., Baker, M. D., Barrow, J. L., van Beekveld, M., Bewick, G., Bhattacharya, S., Bierlich, C., Bothmann, E., Bredt, P., Broggio, A., Buckley, A., Butter, A., Butterworth, J. M., Byrne, E. P., Chakraborty, S., Chen, X., Chiesa, M., Childers, J. T., Cruz-Martinez, J., Currie, J., Darvishi, N., Dasgupta, M., Denner, A., Dreyer, F. A., Dytman, S., El-Menoufi, B. K., Engel, T., Ravasio, S. Ferrario, Figueroa, D., Flower, L., Forshaw, J. R., Frederix, R., Friedland, A., Frixione, S., Gallagher, H., Gallmeister, K., Gardiner, S., Gauld, R., Gavardi, A., Gehrmann, T., Ridder, A. Gehrmann-De, Gellersen, L., Giele, W., Gieseke, S., Giuli, F., Glover, E. W. N., Grazzini, M., Grohsjean, A., Gütschow, C., Hamilton, K., Han, T., Hatcher, R., Heinrich, G., Helenius, I., Hen, O., Hirschi, V., Höfer, M., Holguin, J., Huss, A., Ilten, P., Jadach, S., Jentsch, A., Jones, S. P., Ju, W., Kallweit, S., Karlberg, A., Katori, T., Kerner, M., Kilian, W., Kirchgaeßer, M. M., Klein, S., Knobbe, M., Krause, C., Krauss, F., Lang, J., Lang, J. -N., Lee, G., Li, S. W., Lim, M. A., Lindert, J. M., Lombardi, D., Lönnblad, L., Löschner, M., Lurkin, N., Ma, Y., Machado, P., Magerya, V., Maier, A., Majer, I., Maltoni, F., Marcoli, M., Marinelli, G., Masouminia, M. R., Mastrolia, P., Mattelaer, O., Mazzitelli, J., McFayden, J., Medves, R., Meinzinger, P., Mo, J., Monni, P. F., Morgan, T., Mosel, U., Nachman, B., Nadolsky, P., Nagar, R., Nagy, Z., Napoletano, D., Nason, P., Neumann, T., Nevay, L. J., Niehues, J., Niewczas, K., Ohl, T., Ossola, G., Pandey, V., Papadopoulou, A., Papaefstathiou, A., Paz, G., Pellen, M., Pelliccioli, G., Peraro, T., Pickering, L., Pires, J., Plätzer, S., Plehn, T., Pozzorini, S., Prestel, S., Preuss, C. T., Price, A. C., Quackenbush, S., Re, E., Reichelt, D., Reina, L., Reuschle, C., Richardson, P., Rocco, M., Rocco, N., Roda, M., Garcia, A. Rodriguez, Roiser, S., Rojo, J., Rottoli, L., Salam, G. P., Schönherr, M., Schuchmann, S., Schumann, S., Schürmann, R., Scyboz, L., Seymour, M. H., Siegert, F., Signer, A., Chahal, G. Singh, Siódmok, A., Sjöstrand, T., Skands, P., Smillie, J. M., Sobczyk, J. T., Soldin, D., Soper, D. E., Soto-Ontoso, A., Soyez, G., Stagnitto, G., Tena-Vidal, J., Tomalak, O., Tramontano, F., Trojanowski, S., Tu, Z., Uccirati, S., Ullrich, T., Ulrich, Y., Utheim, M., Valassi, A., Verbytskyi, A., Verheyen, R., Wagman, M., Walker, D., Webber, B. R., Weinstein, L., White, O., Whitehead, J., Wiesemann, M., Wilkinson, C., Williams, C., Winterhalder, R., Wret, C., Xie, K., Yang, T-Z., Yazgan, E., Zanderighi, G., Zanoli, S., and Zapp, K.
Abstract: We provide an overview of the status of Monte-Carlo event generators for high-energy particle physics. Guided by the experimental needs and requirements, we highlight areas of active development, and opportunities for future improvements. Particular emphasis is given to physics models and algorithms that are employed across a variety of experiments. These common themes in event generator development lead to a more comprehensive understanding of physics at the highest energies and intensities, and allow models to be tested against a wealth of data that have been accumulated over the past decades. A cohesive approach to event generator development will allow these models to be further improved and systematic uncertainties to be reduced, directly contributing to future experimental success. Event generators are part of a much larger ecosystem of computational tools. They typically involve a number of unknown model parameters that must be tuned to experimental data, while maintaining the integrity of the underlying physics models. Making both these data, and the analyses with which they have been obtained accessible to future users is an essential aspect of open science and data preservation. It ensures the consistency of physics models across a variety of experiments., Comment: 153 pages, 10 figures, contribution to Snowmass 2021
Published: 2022

12. Electron Scattering and Neutrino Physics

Author: Ankowski, A. M., Ashkenazi, A., Bacca, S., Barrow, J. L., Betancourt, M., Bodek, A., Christy, M. E., Dytman, L. Doria. S., Friedland, A., Hen, O., Horowitz, C. J., Jachowicz, N., Ketchum, W., Lux, T., Mahn, K., Mariani, C., Newby, J., Pandey, V., Papadopoulou, A., Radicioni, E., Sánchez, F., Sfienti, C., Udías, J. M., Weinstein, L., Alvarez-Ruso, L., Amaro, J. E., Argüelles, C. A., Balantekin, A. B., Bolognesi, S., Brdar, V., Butti, P., Carey, S., Djurcic, Z., Dvornikov, O., Edayath, S., Gardiner, S., Isaacson, J., Jay, W., Klustová, A., McFarland, K. S., Nikolakopoulos, A., Norrick, A., Pastore, S., Paz, G., Reno, M. H., Simo, I. Ruiz, Sobczyk, J. E., Sousa, A., Toro, N., Tsai, Y. -D., Wagman, M., Walsh, J. G., Yang, G., Ankowski, A. M., Ashkenazi, A., Bacca, S., Barrow, J. L., Betancourt, M., Bodek, A., Christy, M. E., Dytman, L. Doria. S., Friedland, A., Hen, O., Horowitz, C. J., Jachowicz, N., Ketchum, W., Lux, T., Mahn, K., Mariani, C., Newby, J., Pandey, V., Papadopoulou, A., Radicioni, E., Sánchez, F., Sfienti, C., Udías, J. M., Weinstein, L., Alvarez-Ruso, L., Amaro, J. E., Argüelles, C. A., Balantekin, A. B., Bolognesi, S., Brdar, V., Butti, P., Carey, S., Djurcic, Z., Dvornikov, O., Edayath, S., Gardiner, S., Isaacson, J., Jay, W., Klustová, A., McFarland, K. S., Nikolakopoulos, A., Norrick, A., Pastore, S., Paz, G., Reno, M. H., Simo, I. Ruiz, Sobczyk, J. E., Sousa, A., Toro, N., Tsai, Y. -D., Wagman, M., Walsh, J. G., and Yang, G.
Abstract: A thorough understanding of neutrino-nucleus scattering physics is crucial for the successful execution of the entire US neutrino physics program. Neutrino-nucleus interaction constitutes one of the biggest systematic uncertainties in neutrino experiments - both at intermediate energies affecting long-baseline Deep Underground Neutrino Experiment (DUNE), as well as at low energies affecting coherent scattering neutrino program - and could well be the difference between achieving or missing discovery level precision. To this end, electron-nucleus scattering experiments provide vital information to test, assess and validate different nuclear models and event generators intended to be used in neutrino experiments. In this white paper, we highlight connections between electron- and neutrino-nucleus scattering physics at energies ranging from 10s of MeV to a few GeV, review the status of ongoing and planned electron scattering experiments, identify gaps, and layout a path forward that benefits the neutrino community. We also highlight the systemic challenges with respect to the divide between the nuclear and high-energy physics communities and funding that presents additional hurdle in mobilizing these connections to the benefit of neutrino programs., Comment: 37 pages, contribution to Snowmass 2021
Published: 2022

13. Precision QCD, Hadronic Structure & Forward QCD, Heavy Ions: Report of Energy Frontier Topical Groups 5, 6, 7 submitted to Snowmass 2021

Author: Begel, M., Hoeche, S., Schmitt, M., Lin, H. -W., Nadolsky, P. M., Royon, C., Lee, Y-J., Mukherjee, S., Baldenegro, C., Campbell, J., Chachamis, G., Celiberto, F. G., Cooper-Sarkar, A. M., d'Enterria, D., Diefenthaler, M., Fucilla, M., Garzelli, M. V., Guzzi, M., Hentschinski, M., Hobbs, T. J., Huston, J., Isaacson, J., Klein, S. R., Kling, F., Kotko, P., Kovchegov, Yu. V., Krintiras, G., Kronfeld, A. S., Kutak, K., Mistlberger, B., Moult, I., Mrenna, S., Nachman, B., Narain, M., Olness, F. I., Papa, A., Pisarski, R. D., Pitt, M., Rappoccio, S., Reina, L., Reuter, J., Reno, M. H., Salam, G. P., Strikman, M., Tran, N., Tricoli, A., Ubiali, M., van Hameren, A., Vossen, A., Xie, K., Begel, M., Hoeche, S., Schmitt, M., Lin, H. -W., Nadolsky, P. M., Royon, C., Lee, Y-J., Mukherjee, S., Baldenegro, C., Campbell, J., Chachamis, G., Celiberto, F. G., Cooper-Sarkar, A. M., d'Enterria, D., Diefenthaler, M., Fucilla, M., Garzelli, M. V., Guzzi, M., Hentschinski, M., Hobbs, T. J., Huston, J., Isaacson, J., Klein, S. R., Kling, F., Kotko, P., Kovchegov, Yu. V., Krintiras, G., Kronfeld, A. S., Kutak, K., Mistlberger, B., Moult, I., Mrenna, S., Nachman, B., Narain, M., Olness, F. I., Papa, A., Pisarski, R. D., Pitt, M., Rappoccio, S., Reina, L., Reuter, J., Reno, M. H., Salam, G. P., Strikman, M., Tran, N., Tricoli, A., Ubiali, M., van Hameren, A., Vossen, A., and Xie, K.
Abstract: This report was prepared on behalf of three Energy Frontier Topical Groups of the Snowmass 2021 Community Planning Exercise. It summarizes the status and implications of studies of strong interactions in high-energy experiments and QCD theory. We emphasize the rich landscape and broad impact of these studies in the decade ahead. Hadronic interactions play a central role in the high-luminosity Large Hadron Collider (LHC) physics program, and strong synergies exist between the (HL-)LHC and planned or proposed experiments at the U.S. Electron-Ion Collider, CERN forward physics experiments, high-intensity facilities, and future TeV-range lepton and hadron colliders. Prospects for precision determinations of the strong coupling and a variety of nonperturbative distribution and fragmentation functions are examined. We also review the potential of envisioned tests of new dynamical regimes of QCD in high-energy and high-density scattering processes with nucleon, ion, and photon initial states. The important role of the high-energy heavy-ion program in studies of nuclear structure and the nuclear medium, and its connections with QCD involving nucleons are summarized. We address ongoing and future theoretical advancements in multi-loop QCD computations, lattice QCD, jet substructure, and event generators. Cross-cutting connections between experimental measurements, theoretical predictions, large-scale data analysis, and high-performance computing are emphasized., Comment: 95 pages (bibliography 30 pages), 28 figures; v.2: minor changes, authors and references added
Published: 2022

14. Theory of Neutrino Physics -- Snowmass TF11 (aka NF08) Topical Group Report

Author: de Gouvêa, André, Mocioiu, Irina, Pastore, Saori, Strigari, Louis E., Alvarez-Ruso, L., Ankowski, A. M., Balantekin, A. B., Brdar, V., Cadeddu, M., Carey, S., Carlson, J., Chen, M. -C., Cirigliano, V., Dekens, W., Denton, P. B., Dharmapalan, R., Everett, L., Gallagher, H., Gardiner, S., Gehrlein, J., Graf, L., Haxton, W. C., Hen, O., Hergert, H., Horiuchi, S., Hung, P. Q., Isaacson, J., Jachowicz, N., Jin, L., Khan, A. N., Lovato, A., Machado, P. A. N., Mahn, K., Marfatia, D., Mariani, C., Mereghetti, E., Morfín, J. G., Nicholson, A., Paz, G., Plestid, R., Rocco, N., Sarcevic, I., Schiavilla, R., Sousa, A., Tena-Vidal, J., Wagman, M. L., Walker-Loud, A., de Gouvêa, André, Mocioiu, Irina, Pastore, Saori, Strigari, Louis E., Alvarez-Ruso, L., Ankowski, A. M., Balantekin, A. B., Brdar, V., Cadeddu, M., Carey, S., Carlson, J., Chen, M. -C., Cirigliano, V., Dekens, W., Denton, P. B., Dharmapalan, R., Everett, L., Gallagher, H., Gardiner, S., Gehrlein, J., Graf, L., Haxton, W. C., Hen, O., Hergert, H., Horiuchi, S., Hung, P. Q., Isaacson, J., Jachowicz, N., Jin, L., Khan, A. N., Lovato, A., Machado, P. A. N., Mahn, K., Marfatia, D., Mariani, C., Mereghetti, E., Morfín, J. G., Nicholson, A., Paz, G., Plestid, R., Rocco, N., Sarcevic, I., Schiavilla, R., Sousa, A., Tena-Vidal, J., Wagman, M. L., and Walker-Loud, A.
Abstract: This is the report for the topical group Theory of Neutrino Physics (TF11/NF08) for Snowmass 2021. This report summarizes the progress in the field of theoretical neutrino physics in the past decade, the current status of the field, and the prospects for the upcoming decade., Comment: 26 pages, 5 figures
Published: 2022

15. Theory of Neutrino Physics -- Snowmass TF11 (aka NF08) Topical Group Report

Author: de Gouvêa, André, Mocioiu, Irina, Pastore, Saori, Strigari, Louis E., Alvarez-Ruso, L., Ankowski, A. M., Balantekin, A. B., Brdar, V., Cadeddu, M., Carey, S., Carlson, J., Chen, M. -C., Cirigliano, V., Dekens, W., Denton, P. B., Dharmapalan, R., Everett, L., Gallagher, H., Gardiner, S., Gehrlein, J., Graf, L., Haxton, W. C., Hen, O., Hergert, H., Horiuchi, S., Hung, P. Q., Isaacson, J., Jachowicz, N., Jin, L., Khan, A. N., Lovato, A., Machado, P. A. N., Mahn, K., Marfatia, D., Mariani, C., Mereghetti, E., Morfín, J. G., Nicholson, A., Paz, G., Plestid, R., Rocco, N., Sarcevic, I., Schiavilla, R., Sousa, A., Tena-Vidal, J., Wagman, M. L., Walker-Loud, A., de Gouvêa, André, Mocioiu, Irina, Pastore, Saori, Strigari, Louis E., Alvarez-Ruso, L., Ankowski, A. M., Balantekin, A. B., Brdar, V., Cadeddu, M., Carey, S., Carlson, J., Chen, M. -C., Cirigliano, V., Dekens, W., Denton, P. B., Dharmapalan, R., Everett, L., Gallagher, H., Gardiner, S., Gehrlein, J., Graf, L., Haxton, W. C., Hen, O., Hergert, H., Horiuchi, S., Hung, P. Q., Isaacson, J., Jachowicz, N., Jin, L., Khan, A. N., Lovato, A., Machado, P. A. N., Mahn, K., Marfatia, D., Mariani, C., Mereghetti, E., Morfín, J. G., Nicholson, A., Paz, G., Plestid, R., Rocco, N., Sarcevic, I., Schiavilla, R., Sousa, A., Tena-Vidal, J., Wagman, M. L., and Walker-Loud, A.
Abstract: This is the report for the topical group Theory of Neutrino Physics (TF11/NF08) for Snowmass 2021. This report summarizes the progress in the field of theoretical neutrino physics in the past decade, the current status of the field, and the prospects for the upcoming decade., Comment: 26 pages, 5 figures
Published: 2022

16. Electron Scattering and Neutrino Physics

Author: Ankowski, A. M., Ashkenazi, A., Bacca, S., Barrow, J. L., Betancourt, M., Bodek, A., Christy, M. E., Dytman, L. Doria. S., Friedland, A., Hen, O., Horowitz, C. J., Jachowicz, N., Ketchum, W., Lux, T., Mahn, K., Mariani, C., Newby, J., Pandey, V., Papadopoulou, A., Radicioni, E., Sánchez, F., Sfienti, C., Udías, J. M., Weinstein, L., Alvarez-Ruso, L., Amaro, J. E., Argüelles, C. A., Balantekin, A. B., Bolognesi, S., Brdar, V., Butti, P., Carey, S., Djurcic, Z., Dvornikov, O., Edayath, S., Gardiner, S., Isaacson, J., Jay, W., Klustová, A., McFarland, K. S., Nikolakopoulos, A., Norrick, A., Pastore, S., Paz, G., Reno, M. H., Simo, I. Ruiz, Sobczyk, J. E., Sousa, A., Toro, N., Tsai, Y. -D., Wagman, M., Walsh, J. G., Yang, G., Ankowski, A. M., Ashkenazi, A., Bacca, S., Barrow, J. L., Betancourt, M., Bodek, A., Christy, M. E., Dytman, L. Doria. S., Friedland, A., Hen, O., Horowitz, C. J., Jachowicz, N., Ketchum, W., Lux, T., Mahn, K., Mariani, C., Newby, J., Pandey, V., Papadopoulou, A., Radicioni, E., Sánchez, F., Sfienti, C., Udías, J. M., Weinstein, L., Alvarez-Ruso, L., Amaro, J. E., Argüelles, C. A., Balantekin, A. B., Bolognesi, S., Brdar, V., Butti, P., Carey, S., Djurcic, Z., Dvornikov, O., Edayath, S., Gardiner, S., Isaacson, J., Jay, W., Klustová, A., McFarland, K. S., Nikolakopoulos, A., Norrick, A., Pastore, S., Paz, G., Reno, M. H., Simo, I. Ruiz, Sobczyk, J. E., Sousa, A., Toro, N., Tsai, Y. -D., Wagman, M., Walsh, J. G., and Yang, G.
Abstract: A thorough understanding of neutrino-nucleus scattering physics is crucial for the successful execution of the entire US neutrino physics program. Neutrino-nucleus interaction constitutes one of the biggest systematic uncertainties in neutrino experiments - both at intermediate energies affecting long-baseline Deep Underground Neutrino Experiment (DUNE), as well as at low energies affecting coherent scattering neutrino program - and could well be the difference between achieving or missing discovery level precision. To this end, electron-nucleus scattering experiments provide vital information to test, assess and validate different nuclear models and event generators intended to be used in neutrino experiments. In this white paper, we highlight connections between electron- and neutrino-nucleus scattering physics at energies ranging from 10s of MeV to a few GeV, review the status of ongoing and planned electron scattering experiments, identify gaps, and layout a path forward that benefits the neutrino community. We also highlight the systemic challenges with respect to the divide between the nuclear and high-energy physics communities and funding that presents additional hurdle in mobilizing these connections to the benefit of neutrino programs., Comment: 37 pages, contribution to Snowmass 2021
Published: 2022
Full Text: View/download PDF

17. Event Generators for High-Energy Physics Experiments

Author: Campbell, J. M., Diefenthaler, M., Hobbs, T. J., Höche, S., Isaacson, J., Kling, F., Mrenna, S., Reuter, J., Alioli, S., Andersen, J. R., Andreopoulos, C., Ankowski, A. M., Aschenauer, E. C., Ashkenazi, A., Baker, M. D., Barrow, J. L., van Beekveld, M., Bewick, G., Bhattacharya, S., Bierlich, C., Bothmann, E., Bredt, P., Broggio, A., Buckley, A., Butter, A., Butterworth, J. M., Byrne, E. P., Calame, C. M. Carloni, Chakraborty, S., Chen, X., Chiesa, M., Childers, J. T., Cruz-Martinez, J., Currie, J., Darvishi, N., Dasgupta, M., Denner, A., Dreyer, F. A., Dytman, S., El-Menoufi, B. K., Engel, T., Ravasio, S. Ferrario, Figueroa, D., Flower, L., Forshaw, J. R., Frederix, R., Friedland, A., Frixione, S., Gallagher, H., Gallmeister, K., Gardiner, S., Gauld, R., Gaunt, J., Gavardi, A., Gehrmann, T., Ridder, A. Gehrmann-De, Gellersen, L., Giele, W., Gieseke, S., Giuli, F., Glover, E. W. N., Grazzini, M., Grohsjean, A., Gütschow, C., Hamilton, K., Han, T., Hatcher, R., Heinrich, G., Helenius, I., Hen, O., Hirschi, V., Höfer, M., Holguin, J., Huss, A., Ilten, P., Jadach, S., Jentsch, A., Jones, S. P., Ju, W., Kallweit, S., Karlberg, A., Katori, T., Kerner, M., Kilian, W., Kirchgaeßer, M. M., Klein, S., Knobbe, M., Krause, C., Krauss, F., Lang, J., Lang, J. -N., Lee, G., Li, S. W., Lim, M. A., Lindert, J. M., Lombardi, D., Lönnblad, L., Löschner, M., Lurkin, N., Ma, Y., Machado, P., Magerya, V., Maier, A., Majer, I., Maltoni, F., Marcoli, M., Marinelli, G., Masouminia, M. R., Mastrolia, P., Mattelaer, O., Mazzitelli, J., McFayden, J., Medves, R., Meinzinger, P., Mo, J., Monni, P. F., Montagna, G., Morgan, T., Mosel, U., Nachman, B., Nadolsky, P., Nagar, R., Nagy, Z., Napoletano, D., Nason, P., Neumann, T., Nevay, L. J., Nicrosini, O., Niehues, J., Niewczas, K., Ohl, T., Ossola, G., Pandey, V., Papadopoulou, A., Papaefstathiou, A., Paz, G., Pellen, M., Pelliccioli, G., Peraro, T., Piccinini, F., Pickering, L., Pires, J., Płaczek, W., Plätzer, S., Plehn, T., Pozzorini, S., Prestel, S., Preuss, C. T., Price, A. C., Quackenbush, S., Re, E., Reichelt, D., Reina, L., Reuschle, C., Richardson, P., Rocco, M., Rocco, N., Roda, M., Garcia, A. Rodriguez, Roiser, S., Rojo, J., Rottoli, L., Salam, G. P., Schönherr, M., Schuchmann, S., Schumann, S., Schürmann, R., Scyboz, L., Seymour, M. H., Siegert, F., Signer, A., Chahal, G. Singh, Siódmok, A., Sjöstrand, T., Skands, P., Smillie, J. M., Sobczyk, J. T., Soldin, D., Soper, D. E., Soto-Ontoso, A., Soyez, G., Stagnitto, G., Tena-Vidal, J., Tomalak, O., Tramontano, F., Trojanowski, S., Tu, Z., Uccirati, S., Ullrich, T., Ulrich, Y., Utheim, M., Valassi, A., Verbytskyi, A., Verheyen, R., Wagman, M., Walker, D., Webber, B. R., Weinstein, L., White, O., Whitehead, J., Wiesemann, M., Wilkinson, C., Williams, C., Winterhalder, R., Wret, C., Xie, K., Yang, T-Z., Yazgan, E., Zanderighi, G., Zanoli, S., Zapp, K., Campbell, J. M., Diefenthaler, M., Hobbs, T. J., Höche, S., Isaacson, J., Kling, F., Mrenna, S., Reuter, J., Alioli, S., Andersen, J. R., Andreopoulos, C., Ankowski, A. M., Aschenauer, E. C., Ashkenazi, A., Baker, M. D., Barrow, J. L., van Beekveld, M., Bewick, G., Bhattacharya, S., Bierlich, C., Bothmann, E., Bredt, P., Broggio, A., Buckley, A., Butter, A., Butterworth, J. M., Byrne, E. P., Calame, C. M. Carloni, Chakraborty, S., Chen, X., Chiesa, M., Childers, J. T., Cruz-Martinez, J., Currie, J., Darvishi, N., Dasgupta, M., Denner, A., Dreyer, F. A., Dytman, S., El-Menoufi, B. K., Engel, T., Ravasio, S. Ferrario, Figueroa, D., Flower, L., Forshaw, J. R., Frederix, R., Friedland, A., Frixione, S., Gallagher, H., Gallmeister, K., Gardiner, S., Gauld, R., Gaunt, J., Gavardi, A., Gehrmann, T., Ridder, A. Gehrmann-De, Gellersen, L., Giele, W., Gieseke, S., Giuli, F., Glover, E. W. N., Grazzini, M., Grohsjean, A., Gütschow, C., Hamilton, K., Han, T., Hatcher, R., Heinrich, G., Helenius, I., Hen, O., Hirschi, V., Höfer, M., Holguin, J., Huss, A., Ilten, P., Jadach, S., Jentsch, A., Jones, S. P., Ju, W., Kallweit, S., Karlberg, A., Katori, T., Kerner, M., Kilian, W., Kirchgaeßer, M. M., Klein, S., Knobbe, M., Krause, C., Krauss, F., Lang, J., Lang, J. -N., Lee, G., Li, S. W., Lim, M. A., Lindert, J. M., Lombardi, D., Lönnblad, L., Löschner, M., Lurkin, N., Ma, Y., Machado, P., Magerya, V., Maier, A., Majer, I., Maltoni, F., Marcoli, M., Marinelli, G., Masouminia, M. R., Mastrolia, P., Mattelaer, O., Mazzitelli, J., McFayden, J., Medves, R., Meinzinger, P., Mo, J., Monni, P. F., Montagna, G., Morgan, T., Mosel, U., Nachman, B., Nadolsky, P., Nagar, R., Nagy, Z., Napoletano, D., Nason, P., Neumann, T., Nevay, L. J., Nicrosini, O., Niehues, J., Niewczas, K., Ohl, T., Ossola, G., Pandey, V., Papadopoulou, A., Papaefstathiou, A., Paz, G., Pellen, M., Pelliccioli, G., Peraro, T., Piccinini, F., Pickering, L., Pires, J., Płaczek, W., Plätzer, S., Plehn, T., Pozzorini, S., Prestel, S., Preuss, C. T., Price, A. C., Quackenbush, S., Re, E., Reichelt, D., Reina, L., Reuschle, C., Richardson, P., Rocco, M., Rocco, N., Roda, M., Garcia, A. Rodriguez, Roiser, S., Rojo, J., Rottoli, L., Salam, G. P., Schönherr, M., Schuchmann, S., Schumann, S., Schürmann, R., Scyboz, L., Seymour, M. H., Siegert, F., Signer, A., Chahal, G. Singh, Siódmok, A., Sjöstrand, T., Skands, P., Smillie, J. M., Sobczyk, J. T., Soldin, D., Soper, D. E., Soto-Ontoso, A., Soyez, G., Stagnitto, G., Tena-Vidal, J., Tomalak, O., Tramontano, F., Trojanowski, S., Tu, Z., Uccirati, S., Ullrich, T., Ulrich, Y., Utheim, M., Valassi, A., Verbytskyi, A., Verheyen, R., Wagman, M., Walker, D., Webber, B. R., Weinstein, L., White, O., Whitehead, J., Wiesemann, M., Wilkinson, C., Williams, C., Winterhalder, R., Wret, C., Xie, K., Yang, T-Z., Yazgan, E., Zanderighi, G., Zanoli, S., and Zapp, K.
Abstract: We provide an overview of the status of Monte-Carlo event generators for high-energy particle physics. Guided by the experimental needs and requirements, we highlight areas of active development, and opportunities for future improvements. Particular emphasis is given to physics models and algorithms that are employed across a variety of experiments. These common themes in event generator development lead to a more comprehensive understanding of physics at the highest energies and intensities, and allow models to be tested against a wealth of data that have been accumulated over the past decades. A cohesive approach to event generator development will allow these models to be further improved and systematic uncertainties to be reduced, directly contributing to future experimental success. Event generators are part of a much larger ecosystem of computational tools. They typically involve a number of unknown model parameters that must be tuned to experimental data, while maintaining the integrity of the underlying physics models. Making both these data, and the analyses with which they have been obtained accessible to future users is an essential aspect of open science and data preservation. It ensures the consistency of physics models across a variety of experiments., Comment: 164 pages, 10 figures, contribution to Snowmass 2021
Published: 2022

18. Precision QCD, Hadronic Structure & Forward QCD, Heavy Ions: Report of Energy Frontier Topical Groups 5, 6, 7 submitted to Snowmass 2021

Author: Begel, M., Hoeche, S., Schmitt, M., Lin, H. -W., Nadolsky, P. M., Royon, C., Lee, Y-J., Mukherjee, S., Baldenegro, C., Campbell, J., Chachamis, G., Celiberto, F. G., Cooper-Sarkar, A. M., d'Enterria, D., Diefenthaler, M., Fucilla, M., Garzelli, M. V., Guzzi, M., Hentschinski, M., Hobbs, T. J., Huston, J., Isaacson, J., Klein, S. R., Kling, F., Kotko, P., Kovchegov, Yu. V., Krintiras, G., Kronfeld, A. S., Kutak, K., Mistlberger, B., Moult, I., Mrenna, S., Nachman, B., Narain, M., Olness, F. I., Papa, A., Pisarski, R. D., Pitt, M., Rappoccio, S., Reina, L., Reuter, J., Reno, M. H., Salam, G. P., Strikman, M., Tran, N., Tricoli, A., Ubiali, M., van Hameren, A., Vossen, A., Xie, K., Begel, M., Hoeche, S., Schmitt, M., Lin, H. -W., Nadolsky, P. M., Royon, C., Lee, Y-J., Mukherjee, S., Baldenegro, C., Campbell, J., Chachamis, G., Celiberto, F. G., Cooper-Sarkar, A. M., d'Enterria, D., Diefenthaler, M., Fucilla, M., Garzelli, M. V., Guzzi, M., Hentschinski, M., Hobbs, T. J., Huston, J., Isaacson, J., Klein, S. R., Kling, F., Kotko, P., Kovchegov, Yu. V., Krintiras, G., Kronfeld, A. S., Kutak, K., Mistlberger, B., Moult, I., Mrenna, S., Nachman, B., Narain, M., Olness, F. I., Papa, A., Pisarski, R. D., Pitt, M., Rappoccio, S., Reina, L., Reuter, J., Reno, M. H., Salam, G. P., Strikman, M., Tran, N., Tricoli, A., Ubiali, M., van Hameren, A., Vossen, A., and Xie, K.
Abstract: This report was prepared on behalf of three Energy Frontier Topical Groups of the Snowmass 2021 Community Planning Exercise. It summarizes the status and implications of studies of strong interactions in high-energy experiments and QCD theory. We emphasize the rich landscape and broad impact of these studies in the decade ahead. Hadronic interactions play a central role in the high-luminosity Large Hadron Collider (LHC) physics program, and strong synergies exist between the (HL-)LHC and planned or proposed experiments at the U.S. Electron-Ion Collider, CERN forward physics experiments, high-intensity facilities, and future TeV-range lepton and hadron colliders. Prospects for precision determinations of the strong coupling and a variety of nonperturbative distribution and fragmentation functions are examined. We also review the potential of envisioned tests of new dynamical regimes of QCD in high-energy and high-density scattering processes with nucleon, ion, and photon initial states. The important role of the high-energy heavy-ion program in studies of nuclear structure and the nuclear medium, and its connections with QCD involving nucleons are summarized. We address ongoing and future theoretical advancements in multi-loop QCD computations, lattice QCD, jet substructure, and event generators. Cross-cutting connections between experimental measurements, theoretical predictions, large-scale data analysis, and high-performance computing are emphasized., Comment: 95 pages (bibliography 30 pages), 28 figures; v.2: minor changes, authors and references added
Published: 2022

19. Precision QCD, Hadronic Structure & Forward QCD, Heavy Ions: Report of Energy Frontier Topical Groups 5, 6, 7 submitted to Snowmass 2021

Author: Begel, M., Hoeche, S., Schmitt, M., Lin, H. -W., Nadolsky, P. M., Royon, C., Lee, Y-J., Mukherjee, S., Baldenegro, C., Campbell, J., Chachamis, G., Celiberto, F. G., Cooper-Sarkar, A. M., d'Enterria, D., Diefenthaler, M., Fucilla, M., Garzelli, M. V., Guzzi, M., Hentschinski, M., Hobbs, T. J., Huston, J., Isaacson, J., Klein, S. R., Kling, F., Kotko, P., Kovchegov, Yu. V., Krintiras, G., Kronfeld, A. S., Kutak, K., Mistlberger, B., Moult, I., Mrenna, S., Nachman, B., Narain, M., Olness, F. I., Papa, A., Pisarski, R. D., Pitt, M., Rappoccio, S., Reina, L., Reuter, J., Reno, M. H., Salam, G. P., Strikman, M., Tran, N., Tricoli, A., Ubiali, M., van Hameren, A., Vossen, A., Xie, K., Begel, M., Hoeche, S., Schmitt, M., Lin, H. -W., Nadolsky, P. M., Royon, C., Lee, Y-J., Mukherjee, S., Baldenegro, C., Campbell, J., Chachamis, G., Celiberto, F. G., Cooper-Sarkar, A. M., d'Enterria, D., Diefenthaler, M., Fucilla, M., Garzelli, M. V., Guzzi, M., Hentschinski, M., Hobbs, T. J., Huston, J., Isaacson, J., Klein, S. R., Kling, F., Kotko, P., Kovchegov, Yu. V., Krintiras, G., Kronfeld, A. S., Kutak, K., Mistlberger, B., Moult, I., Mrenna, S., Nachman, B., Narain, M., Olness, F. I., Papa, A., Pisarski, R. D., Pitt, M., Rappoccio, S., Reina, L., Reuter, J., Reno, M. H., Salam, G. P., Strikman, M., Tran, N., Tricoli, A., Ubiali, M., van Hameren, A., Vossen, A., and Xie, K.
Abstract: This report was prepared on behalf of three Energy Frontier Topical Groups of the Snowmass 2021 Community Planning Exercise. It summarizes the status and implications of studies of strong interactions in high-energy experiments and QCD theory. We emphasize the rich landscape and broad impact of these studies in the decade ahead. Hadronic interactions play a central role in the high-luminosity Large Hadron Collider (LHC) physics program, and strong synergies exist between the (HL-)LHC and planned or proposed experiments at the U.S. Electron-Ion Collider, CERN forward physics experiments, high-intensity facilities, and future TeV-range lepton and hadron colliders. Prospects for precision determinations of the strong coupling and a variety of nonperturbative distribution and fragmentation functions are examined. We also review the potential of envisioned tests of new dynamical regimes of QCD in high-energy and high-density scattering processes with nucleon, ion, and photon initial states. The important role of the high-energy heavy-ion program in studies of nuclear structure and the nuclear medium, and its connections with QCD involving nucleons are summarized. We address ongoing and future theoretical advancements in multi-loop QCD computations, lattice QCD, jet substructure, and event generators. Cross-cutting connections between experimental measurements, theoretical predictions, large-scale data analysis, and high-performance computing are emphasized., Comment: 95 pages (bibliography 30 pages), 28 figures; v.2: minor changes, authors and references added
Published: 2022

20. Theoretical tools for neutrino scattering: interplay between lattice QCD, EFTs, nuclear physics, phenomenology, and neutrino event generators

Author: Ruso, L. Alvarez, Ankowski, A. M., Bacca, S., Balantekin, A. B., Carlson, J., Gardiner, S., Gonzalez-Jimenez, R., Gupta, R., Hobbs, T. J., Hoferichter, M., Isaacson, J., Jachowicz, N., Jay, W. I., Katori, T., Kling, F., Kronfeld, A. S., Li, S. W., Lin, H. -W., Liu, K. -F., Lovato, A., Mahn, K., Menendez, J., Meyer, A. S., Morfin, J., Pastore, S., Rocco, N., Athar, M. Sajjad, Sato, T., Schwenk, A., Shanahan, P. E., Strigari, L. E., Wagman, M., Zhang, X., Zhao, Y., Acharya, B., Andreoli, L., Andreopoulos, C., Barrow, J. L., Bhattacharya, T., Brdar, V., Davoudi, Z., Giusti, C., Hayato, Y., Khan, A. N., Kim, D., Li, Y. F., Lin, M., Machado, P., Martini, M., Niewczas, K., Pandey, P., Papadopoulou, A., Plestid, R., Roda, M., Simo, I. Ruiz, Simone, J. N., Sufian, R. S., Tena-Vidal, J., Tomalak, O., Tsai, Y. -D., Udias, J. M., Ruso, L. Alvarez, Ankowski, A. M., Bacca, S., Balantekin, A. B., Carlson, J., Gardiner, S., Gonzalez-Jimenez, R., Gupta, R., Hobbs, T. J., Hoferichter, M., Isaacson, J., Jachowicz, N., Jay, W. I., Katori, T., Kling, F., Kronfeld, A. S., Li, S. W., Lin, H. -W., Liu, K. -F., Lovato, A., Mahn, K., Menendez, J., Meyer, A. S., Morfin, J., Pastore, S., Rocco, N., Athar, M. Sajjad, Sato, T., Schwenk, A., Shanahan, P. E., Strigari, L. E., Wagman, M., Zhang, X., Zhao, Y., Acharya, B., Andreoli, L., Andreopoulos, C., Barrow, J. L., Bhattacharya, T., Brdar, V., Davoudi, Z., Giusti, C., Hayato, Y., Khan, A. N., Kim, D., Li, Y. F., Lin, M., Machado, P., Martini, M., Niewczas, K., Pandey, P., Papadopoulou, A., Plestid, R., Roda, M., Simo, I. Ruiz, Simone, J. N., Sufian, R. S., Tena-Vidal, J., Tomalak, O., Tsai, Y. -D., and Udias, J. M.
Abstract: Maximizing the discovery potential of increasingly precise neutrino experiments will require an improved theoretical understanding of neutrino-nucleus cross sections over a wide range of energies. Low-energy interactions are needed to reconstruct the energies of astrophysical neutrinos from supernovae bursts and search for new physics using increasingly precise measurement of coherent elastic neutrino scattering. Higher-energy interactions involve a variety of reaction mechanisms including quasi-elastic scattering, resonance production, and deep inelastic scattering that must all be included to reliably predict cross sections for energies relevant to DUNE and other accelerator neutrino experiments. This white paper discusses the theoretical status, challenges, required resources, and path forward for achieving precise predictions of neutrino-nucleus scattering and emphasizes the need for a coordinated theoretical effort involved lattice QCD, nuclear effective theories, phenomenological models of the transition region, and event generators., Comment: 81 pages, contribution to Snowmass 2021
Published: 2022

21. Nonperturbative functions for SIDIS and Drell-Yan processes

Author: Sun, P, Sun, P, Isaacson, J, Yuan, CP, Yuan, F, Sun, P, Sun, P, Isaacson, J, Yuan, CP, and Yuan, F
Abstract: We update the well-known BLNY fit to the low transverse momentum Drell-Yan lepton pair productions in hadronic collisions, by considering the constraints from the semi-inclusive hadron production in deep inelastic scattering (SIDIS) from HERMES and COMPASS experiments. We follow the Collins-Soper-Sterman (CSS) formalism with the b∗-prescription. A nonperturbative form factor associated with the transverse momentum dependent quark distributions is found in the analysis with a new functional form different from that of BLNY. This releases the tension between the BLNY fit to the Drell-Yan data with the SIDIS data from HERMES/COMPASS in the CSS resummation formalism.
Published: 2018

22. Nonperturbative functions for SIDIS and Drell-Yan processes

Author: Sun, P, Sun, P, Isaacson, J, Yuan, CP, Yuan, F, Sun, P, Sun, P, Isaacson, J, Yuan, CP, and Yuan, F
Abstract: We update the well-known BLNY fit to the low transverse momentum Drell-Yan lepton pair productions in hadronic collisions, by considering the constraints from the semi-inclusive hadron production in deep inelastic scattering (SIDIS) from HERMES and COMPASS experiments. We follow the Collins-Soper-Sterman (CSS) formalism with the b∗-prescription. A nonperturbative form factor associated with the transverse momentum dependent quark distributions is found in the analysis with a new functional form different from that of BLNY. This releases the tension between the BLNY fit to the Drell-Yan data with the SIDIS data from HERMES/COMPASS in the CSS resummation formalism.
Published: 2018

23. Resummation of high order corrections in Higgs boson plus jet production at the LHC

Author: Sun, P, Sun, P, Isaacson, J, Yuan, CP, Yuan, F, Sun, P, Sun, P, Isaacson, J, Yuan, CP, and Yuan, F
Abstract: We study the effect of multiple parton radiation to Higgs boson plus jet production at the LHC. The large logarithms arising from the small imbalance in the transverse momentum of the Higgs boson plus jet final state system are resummed to all orders in the expansion of the strong interaction coupling at the accuracy of Next-to-Leading Logarithm (NLL), by applying the transverse momentum dependent (TMD) factorization formalism. We show that the appropriate resummation scale should be the jet transverse momentum, rather than the partonic center of mass energy which has been normally used in the TMD resummation formalism. Furthermore, the transverse momentum distribution of the Higgs boson, particularly near the lower cut-off applied on the jet transverse momentum, can only be reliably predicted by the resummation calculation which is free of the so-called Sudakov-shoulder singularity problem, present in fixed-order calculations.
Published: 2017

24. Resummation of high order corrections in Higgs boson plus jet production at the LHC

Author: Sun, P, Sun, P, Isaacson, J, Yuan, CP, Yuan, F, Sun, P, Sun, P, Isaacson, J, Yuan, CP, and Yuan, F
Abstract: We study the effect of multiple parton radiation to Higgs boson plus jet production at the LHC. The large logarithms arising from the small imbalance in the transverse momentum of the Higgs boson plus jet final state system are resummed to all orders in the expansion of the strong interaction coupling at the accuracy of Next-to-Leading Logarithm (NLL), by applying the transverse momentum dependent (TMD) factorization formalism. We show that the appropriate resummation scale should be the jet transverse momentum, rather than the partonic center of mass energy which has been normally used in the TMD resummation formalism. Furthermore, the transverse momentum distribution of the Higgs boson, particularly near the lower cut-off applied on the jet transverse momentum, can only be reliably predicted by the resummation calculation which is free of the so-called Sudakov-shoulder singularity problem, present in fixed-order calculations.
Published: 2017

25. Rucaparib maintenance treatment for recurrent ovarian carcinoma after response to platinum therapy (ARIEL3): A randomised, double-blind, placebo-controlled, phase 3 trial

Author: Coleman, R, Oza, A, Lorusso, D, Aghajanian, C, Oaknin, A, Dean, A, Colombo, N, Weberpals, J, Clamp, A, Scambia, G, Leary, A, Holloway, R, Gancedo, M, Fong, P, Goh, J, O'Malley, D, Armstrong, D, Garcia Donas, J, Swisher, E, Floquet, A, Konecny, G, Mcneish, I, Scott, C, Cameron, T, Maloney, L, Isaacson, J, Goble, S, Grace, C, Harding, T, Raponi, M, Sun, J, Lin, K, Giordano, H, Ledermann, J, Ledermann, J., COLOMBO, NICOLETTA, Coleman, R, Oza, A, Lorusso, D, Aghajanian, C, Oaknin, A, Dean, A, Colombo, N, Weberpals, J, Clamp, A, Scambia, G, Leary, A, Holloway, R, Gancedo, M, Fong, P, Goh, J, O'Malley, D, Armstrong, D, Garcia Donas, J, Swisher, E, Floquet, A, Konecny, G, Mcneish, I, Scott, C, Cameron, T, Maloney, L, Isaacson, J, Goble, S, Grace, C, Harding, T, Raponi, M, Sun, J, Lin, K, Giordano, H, Ledermann, J, Ledermann, J., and COLOMBO, NICOLETTA
Abstract: Background: Rucaparib, a poly(ADP-ribose) polymerase inhibitor, has anticancer activity in recurrent ovarian carcinoma harbouring a BRCA mutation or high percentage of genome-wide loss of heterozygosity. In this trial we assessed rucaparib versus placebo after response to second-line or later platinum-based chemotherapy in patients with high-grade, recurrent, platinum-sensitive ovarian carcinoma. Methods: In this randomised, double-blind, placebo-controlled, phase 3 trial, we recruited patients from 87 hospitals and cancer centres across 11 countries. Eligible patients were aged 18 years or older, had a platinum-sensitive, high-grade serous or endometrioid ovarian, primary peritoneal, or fallopian tube carcinoma, had received at least two previous platinum-based chemotherapy regimens, had achieved complete or partial response to their last platinum-based regimen, had a cancer antigen 125 concentration of less than the upper limit of normal, had a performance status of 0-1, and had adequate organ function. Patients were ineligible if they had symptomatic or untreated central nervous system metastases, had received anticancer therapy 14 days or fewer before starting the study, or had received previous treatment with a poly(ADP-ribose) polymerase inhibitor. We randomly allocated patients 2:1 to receive oral rucaparib 600 mg twice daily or placebo in 28 day cycles using a computer-generated sequence (block size of six, stratified by homologous recombination repair gene mutation status, progression-free interval after the penultimate platinum-based regimen, and best response to the most recent platinum-based regimen). Patients, investigators, site staff, assessors, and the funder were masked to assignments. The primary outcome was investigator-assessed progression-free survival evaluated with use of an ordered step-down procedure for three nested cohorts: patients with BRCA mutations (carcinoma associated with deleterious germline or somatic BRCA mutations), patients wit
Published: 2017

26. Les Houches 2015: Physics at TeV Colliders Standard Model Working Group Report

Author: Badger, S, Badger, S, Bendavid, J, Ciulli, V, Denner, A, Frederix, R, Grazzini, M, Huston, J, Schönherr, M, Tackmann, K, Thaler, J, Williams, C, Andersen, JR, Becker, K, Bell, M, Bellm, J, Bothmann, E, Boughezal, R, Butterworth, J, Carrazza, S, Chiesa, M, Cieri, L, Duehrssen-Debling, M, Falmagne, G, Forte, S, Francavilla, P, Freytsis, M, Gao, J, Gras, P, Greiner, N, Grellscheid, D, Heinrich, G, Hesketh, G, Höche, S, Hofer, L, Hou, T-J, Huss, A, Isaacson, J, Jueid, A, Kallweit, S, Kar, D, Kassabov, Z, Konstantinides, V, Krauss, F, Kuttimalai, S, Lazapoulos, A, Lenzi, P, Li, Y, Lindert, JM, Liu, X, Luisoni, G, Lönnblad, L, Maierhöfer, P, Maître, D, Marini, AC, Montagna, G, Moretti, M, Nadolsky, PM, Nail, G, Napoletano, D, Nicrosini, O, Oleari, C, Pagani, D, Pandini, C, Perrozzi, L, Petriello, F, Piccinini, F, Plätzer, S, Pogrebnyak, I, Pozzorini, S, Prestel, S, Reuschle, C, Rojo, J, Russo, L, Schichtel, P, Schumann, S, Siódmok, A, Skands, P, Soper, D, Soyez, G, Sun, P, Tackmann, FJ, Takasugi, E, Uccirati, S, Utku, U, Viliani, L, Vryonidou, E, Wang, BT, Waugh, B, Weber, MA, Winter, J, Xie, KP, Yuan, C-P, Yuan, F, Zapp, K, Zaro, M, Badger, S, Badger, S, Bendavid, J, Ciulli, V, Denner, A, Frederix, R, Grazzini, M, Huston, J, Schönherr, M, Tackmann, K, Thaler, J, Williams, C, Andersen, JR, Becker, K, Bell, M, Bellm, J, Bothmann, E, Boughezal, R, Butterworth, J, Carrazza, S, Chiesa, M, Cieri, L, Duehrssen-Debling, M, Falmagne, G, Forte, S, Francavilla, P, Freytsis, M, Gao, J, Gras, P, Greiner, N, Grellscheid, D, Heinrich, G, Hesketh, G, Höche, S, Hofer, L, Hou, T-J, Huss, A, Isaacson, J, Jueid, A, Kallweit, S, Kar, D, Kassabov, Z, Konstantinides, V, Krauss, F, Kuttimalai, S, Lazapoulos, A, Lenzi, P, Li, Y, Lindert, JM, Liu, X, Luisoni, G, Lönnblad, L, Maierhöfer, P, Maître, D, Marini, AC, Montagna, G, Moretti, M, Nadolsky, PM, Nail, G, Napoletano, D, Nicrosini, O, Oleari, C, Pagani, D, Pandini, C, Perrozzi, L, Petriello, F, Piccinini, F, Plätzer, S, Pogrebnyak, I, Pozzorini, S, Prestel, S, Reuschle, C, Rojo, J, Russo, L, Schichtel, P, Schumann, S, Siódmok, A, Skands, P, Soper, D, Soyez, G, Sun, P, Tackmann, FJ, Takasugi, E, Uccirati, S, Utku, U, Viliani, L, Vryonidou, E, Wang, BT, Waugh, B, Weber, MA, Winter, J, Xie, KP, Yuan, C-P, Yuan, F, Zapp, K, and Zaro, M
Abstract: This Report summarizes the proceedings of the 2015 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard Model calculations, (II) the new PDF4LHC parton distributions, (III) issues in the theoretical description of the production of Standard Model Higgs bosons and how to relate experimental measurements, (IV) a host of phenomenological studies essential for comparing LHC data from Run I with theoretical predictions and projections for future measurements in Run II, and (V) new developments in Monte Carlo event generators.
Published: 2016

27. Les Houches 2015: Physics at TeV Colliders Standard Model Working Group Report

Author: Badger, S, Badger, S, Bendavid, J, Ciulli, V, Denner, A, Frederix, R, Grazzini, M, Huston, J, Schönherr, M, Tackmann, K, Thaler, J, Williams, C, Andersen, JR, Becker, K, Bell, M, Bellm, J, Bothmann, E, Boughezal, R, Butterworth, J, Carrazza, S, Chiesa, M, Cieri, L, Duehrssen-Debling, M, Falmagne, G, Forte, S, Francavilla, P, Freytsis, M, Gao, J, Gras, P, Greiner, N, Grellscheid, D, Heinrich, G, Hesketh, G, Höche, S, Hofer, L, Hou, T-J, Huss, A, Isaacson, J, Jueid, A, Kallweit, S, Kar, D, Kassabov, Z, Konstantinides, V, Krauss, F, Kuttimalai, S, Lazapoulos, A, Lenzi, P, Li, Y, Lindert, JM, Liu, X, Luisoni, G, Lönnblad, L, Maierhöfer, P, Maître, D, Marini, AC, Montagna, G, Moretti, M, Nadolsky, PM, Nail, G, Napoletano, D, Nicrosini, O, Oleari, C, Pagani, D, Pandini, C, Perrozzi, L, Petriello, F, Piccinini, F, Plätzer, S, Pogrebnyak, I, Pozzorini, S, Prestel, S, Reuschle, C, Rojo, J, Russo, L, Schichtel, P, Schumann, S, Siódmok, A, Skands, P, Soper, D, Soyez, G, Sun, P, Tackmann, FJ, Takasugi, E, Uccirati, S, Utku, U, Viliani, L, Vryonidou, E, Wang, BT, Waugh, B, Weber, MA, Winter, J, Xie, KP, Yuan, C-P, Yuan, F, Zapp, K, Zaro, M, Badger, S, Badger, S, Bendavid, J, Ciulli, V, Denner, A, Frederix, R, Grazzini, M, Huston, J, Schönherr, M, Tackmann, K, Thaler, J, Williams, C, Andersen, JR, Becker, K, Bell, M, Bellm, J, Bothmann, E, Boughezal, R, Butterworth, J, Carrazza, S, Chiesa, M, Cieri, L, Duehrssen-Debling, M, Falmagne, G, Forte, S, Francavilla, P, Freytsis, M, Gao, J, Gras, P, Greiner, N, Grellscheid, D, Heinrich, G, Hesketh, G, Höche, S, Hofer, L, Hou, T-J, Huss, A, Isaacson, J, Jueid, A, Kallweit, S, Kar, D, Kassabov, Z, Konstantinides, V, Krauss, F, Kuttimalai, S, Lazapoulos, A, Lenzi, P, Li, Y, Lindert, JM, Liu, X, Luisoni, G, Lönnblad, L, Maierhöfer, P, Maître, D, Marini, AC, Montagna, G, Moretti, M, Nadolsky, PM, Nail, G, Napoletano, D, Nicrosini, O, Oleari, C, Pagani, D, Pandini, C, Perrozzi, L, Petriello, F, Piccinini, F, Plätzer, S, Pogrebnyak, I, Pozzorini, S, Prestel, S, Reuschle, C, Rojo, J, Russo, L, Schichtel, P, Schumann, S, Siódmok, A, Skands, P, Soper, D, Soyez, G, Sun, P, Tackmann, FJ, Takasugi, E, Uccirati, S, Utku, U, Viliani, L, Vryonidou, E, Wang, BT, Waugh, B, Weber, MA, Winter, J, Xie, KP, Yuan, C-P, Yuan, F, Zapp, K, and Zaro, M
Abstract: This Report summarizes the proceedings of the 2015 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard Model calculations, (II) the new PDF4LHC parton distributions, (III) issues in the theoretical description of the production of Standard Model Higgs bosons and how to relate experimental measurements, (IV) a host of phenomenological studies essential for comparing LHC data from Run I with theoretical predictions and projections for future measurements in Run II, and (V) new developments in Monte Carlo event generators.
Published: 2016

28. Les Houches 2015: Physics at TeV Colliders Standard Model Working Group Report

Author: Badger, S., Bendavid, J., Ciulli, V., Denner, A., Frederix, R., Grazzini, M., Huston, J., Schönherr, M., Tackmann, K., Thaler, J., Williams, C., Andersen, J. R., Becker, K., Bell, M., Bellm, J., Bothmann, E., Boughezal, R., Butterworth, J., Carrazza, S., Chiesa, M., Cieri, L., Duehrssen-Debling, M., Falmagne, G., Forte, S., Francavilla, P., Freytsis, M., Gao, J., Gras, P., Greiner, N., Grellscheid, D., Heinrich, G., Hesketh, G., Höche, S., Hofer, L., Hou, T. -J., Huss, A., Isaacson, J., Jueid, A., Kallweit, S., Kar, D., Kassabov, Z., Konstantinides, V., Krauss, F., Kuttimalai, S., Lazapoulos, A., Lenzi, P., Li, Y., Lindert, J. M., Liu, X., Luisoni, G., Lönnblad, L., Maierhöfer, P., Maître, D., Marini, A. C., Montagna, G., Moretti, M., Nadolsky, P. M., Nail, G., Napoletano, D., Nicrosini, O., Oleari, C., Pagani, D., Pandini, C., Perrozzi, L., Petriello, F., Piccinini, F., Plätzer, S., Pogrebnyak, I., Pozzorini, S., Prestel, S., Reuschle, C., Rojo, J., Russo, L., Schichtel, P., Schumann, S., Siódmok, A., Skands, P., Soper, D., Soyez, G., Sun, P., Tackmann, F. J., Takasugi, E., Uccirati, S., Utku, U., Viliani, L., Vryonidou, E., Wang, B. T., Waugh, B., Weber, M. A., Winter, J., Xie, K. P., Yuan, C. -P., Yuan, F., Zapp, K., Zaro, M., Badger, S., Bendavid, J., Ciulli, V., Denner, A., Frederix, R., Grazzini, M., Huston, J., Schönherr, M., Tackmann, K., Thaler, J., Williams, C., Andersen, J. R., Becker, K., Bell, M., Bellm, J., Bothmann, E., Boughezal, R., Butterworth, J., Carrazza, S., Chiesa, M., Cieri, L., Duehrssen-Debling, M., Falmagne, G., Forte, S., Francavilla, P., Freytsis, M., Gao, J., Gras, P., Greiner, N., Grellscheid, D., Heinrich, G., Hesketh, G., Höche, S., Hofer, L., Hou, T. -J., Huss, A., Isaacson, J., Jueid, A., Kallweit, S., Kar, D., Kassabov, Z., Konstantinides, V., Krauss, F., Kuttimalai, S., Lazapoulos, A., Lenzi, P., Li, Y., Lindert, J. M., Liu, X., Luisoni, G., Lönnblad, L., Maierhöfer, P., Maître, D., Marini, A. C., Montagna, G., Moretti, M., Nadolsky, P. M., Nail, G., Napoletano, D., Nicrosini, O., Oleari, C., Pagani, D., Pandini, C., Perrozzi, L., Petriello, F., Piccinini, F., Plätzer, S., Pogrebnyak, I., Pozzorini, S., Prestel, S., Reuschle, C., Rojo, J., Russo, L., Schichtel, P., Schumann, S., Siódmok, A., Skands, P., Soper, D., Soyez, G., Sun, P., Tackmann, F. J., Takasugi, E., Uccirati, S., Utku, U., Viliani, L., Vryonidou, E., Wang, B. T., Waugh, B., Weber, M. A., Winter, J., Xie, K. P., Yuan, C. -P., Yuan, F., Zapp, K., and Zaro, M.
Abstract: This Report summarizes the proceedings of the 2015 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard Model calculations, (II) the new PDF4LHC parton distributions, (III) issues in the theoretical description of the production of Standard Model Higgs bosons and how to relate experimental measurements, (IV) a host of phenomenological studies essential for comparing LHC data from Run I with theoretical predictions and projections for future measurements in Run II, and (V) new developments in Monte Carlo event generators., Comment: Proceedings of the Standard Model Working Group of the 2015 Les Houches Workshop, Physics at TeV Colliders, Les Houches 1-19 June 2015. 227 pages
Published: 2016

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28 results on '"Isaacson, J"'

1. Event generators for high-energy physics experiments

2. Machine learning and LHC event generation

3. NuHepMC: A standardized event record format for neutrino event generators

4. Electron scattering and neutrino physics

5. Theoretical tools for neutrino scattering: interplay between lattice QCD, EFTs, nuclear physics, phenomenology, and neutrino event generators

6. Theoretical tools for neutrino scattering: interplay between lattice QCD, EFTs, nuclear physics, phenomenology, and neutrino event generators

7. Electron Scattering and Neutrino Physics

8. Theoretical tools for neutrino scattering: interplay between lattice QCD, EFTs, nuclear physics, phenomenology, and neutrino event generators

9. Event Generators for High-Energy Physics Experiments

10. Precision QCD, Hadronic Structure & Forward QCD, Heavy Ions: Report of Energy Frontier Topical Groups 5, 6, 7 submitted to Snowmass 2021

11. Event Generators for High-Energy Physics Experiments

12. Electron Scattering and Neutrino Physics

13. Precision QCD, Hadronic Structure & Forward QCD, Heavy Ions: Report of Energy Frontier Topical Groups 5, 6, 7 submitted to Snowmass 2021

14. Theory of Neutrino Physics -- Snowmass TF11 (aka NF08) Topical Group Report

15. Theory of Neutrino Physics -- Snowmass TF11 (aka NF08) Topical Group Report

16. Electron Scattering and Neutrino Physics

17. Event Generators for High-Energy Physics Experiments

18. Precision QCD, Hadronic Structure & Forward QCD, Heavy Ions: Report of Energy Frontier Topical Groups 5, 6, 7 submitted to Snowmass 2021

19. Precision QCD, Hadronic Structure & Forward QCD, Heavy Ions: Report of Energy Frontier Topical Groups 5, 6, 7 submitted to Snowmass 2021

20. Theoretical tools for neutrino scattering: interplay between lattice QCD, EFTs, nuclear physics, phenomenology, and neutrino event generators

21. Nonperturbative functions for SIDIS and Drell-Yan processes

22. Nonperturbative functions for SIDIS and Drell-Yan processes

23. Resummation of high order corrections in Higgs boson plus jet production at the LHC

24. Resummation of high order corrections in Higgs boson plus jet production at the LHC

25. Rucaparib maintenance treatment for recurrent ovarian carcinoma after response to platinum therapy (ARIEL3): A randomised, double-blind, placebo-controlled, phase 3 trial

26. Les Houches 2015: Physics at TeV Colliders Standard Model Working Group Report

27. Les Houches 2015: Physics at TeV Colliders Standard Model Working Group Report

28. Les Houches 2015: Physics at TeV Colliders Standard Model Working Group Report

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